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Kimber MC, Lee DS. The Kornblum DeLaMare rearrangement in natural product synthesis: 25 years of innovation. Nat Prod Rep 2024; 41:813-833. [PMID: 38294038 DOI: 10.1039/d3np00058c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Covering: 1998 up to the end of 2023Since its initial disclosure in 1951, the Kornblum DeLaMare rearrangement has proved an important synthetic transformation and has been widely adopted as a biomimetic step in natural product synthesis. Utilising the base catalysed decomposition of alkyl peroxides to yield a ketone and alcohol has found use in many syntheses as well as a key strategic step, including the unmasking of furans, as a biomimetic synthetic tool, and the use of the rearrangement to install oxygen enantioselectively. Since ca. 1998, its impact as a synthetic transformation has grown significantly, especially given the frequency of use in natural product syntheses, therefore this 25 year time period will be the focus of the review.
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Affiliation(s)
- Marc C Kimber
- Department of Chemistry, School of Science, Loughborough University, Loughborough, LE11 3TU, UK.
| | - Darren S Lee
- Centre for Green Chemistry and Green Engineering at Yale, Yale University, New Haven, CT 06511, USA.
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2
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Abstract
Covering: 2011 to 2022The natural world is a prolific source of some of the most interesting, rare, and complex molecules known, harnessing sophisticated biosynthetic machinery evolved over billions of years for their production. Many of these natural products represent high-value targets of total synthesis, either for their desirable biological activities or for their beautiful structures outright; yet, the high sp3-character often present in nature's molecules imparts significant topological complexity that pushes the limits of contemporary synthetic technology. Dearomatization is a foundational strategy for generating such intricacy from simple materials that has undergone considerable maturation in recent years. This review highlights the recent achievements in the field of dearomative methodology, with a focus on natural product total synthesis and retrosynthetic analysis. Disconnection guidelines and a three-phase dearomative logic are described, and a spotlight is given to nature's use of dearomatization in the biosynthesis of various classes of natural products. Synthetic studies from 2011 to 2021 are reviewed, and 425 references are cited.
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Affiliation(s)
| | - Yaroslav D. Boyko
- Department of Chemistry, University of Illinois, Urbana, IL 61801, USA
| | - David Sarlah
- Department of Chemistry, University of Illinois, Urbana, IL 61801, USA,Department of Chemistry, University of Pavia, Viale Taramelli 12, 27100 Pavia, Italy
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3
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Sun Z, Yang S, Xu C, Yi F, Cao L, Tian Y, Lin J, Xu X. Concise total synthesis of (+)-Zeylenone with antitumor activity and the structure-activity relationship of its derivatives. Bioorg Chem 2021; 116:105333. [PMID: 34537516 DOI: 10.1016/j.bioorg.2021.105333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 07/13/2021] [Accepted: 09/01/2021] [Indexed: 12/01/2022]
Abstract
Natural products--polyoxygenated cyclohexenes exhibited potent anti-tumor activity, such as zeylenone, which is a natural product isolated from Uvaria grandiflora Roxb. This article will attempt to establish a gram-scale synthesis method of (+)-zeylenone and explain the structure-activity relationship of this kind of compound. Total synthesis of (+)-zeylenone was completed in 13 steps with quinic acid as the starting material in 9.8% overall yield. The highlight of the route was the control of the three carbon's chirality by single step dihydroxylation. In addition, different kinds of derivatives were designed and synthesized. Cell Counting Kit-8 (CCK8) assay was used for evaluating antitumor activity against three human cancer cell lines. The structure--activity relationship suggested that compounds with both absolute configurations exhibited tumor-suppressive effects. Moreover, hydroxyls at the C-1/C-2 position were crucial to the activity, and the esterification of large groups at C-1 hydroxyl eliminated the activity. Hydroxyl at the C-3 position was also important as proper ester substituent could increase the potency.
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Affiliation(s)
- Zhonghao Sun
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, PR China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, PR China; Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, PR China
| | - Shuxian Yang
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, PR China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, PR China; Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, PR China
| | - Chengfang Xu
- China Agricultural University, Beijing 100193, PR China
| | - Fan Yi
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing 100048, PR China
| | - Li Cao
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, PR China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, PR China; Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, PR China
| | - Yu Tian
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, PR China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, PR China; Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, PR China
| | - Jiahao Lin
- China Agricultural University, Beijing 100193, PR China
| | - Xudong Xu
- Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing 100193, PR China; Beijing Key Laboratory of Innovative Drug Discovery of Traditional Chinese Medicine (Natural Medicine) and Translational Medicine, PR China; Laboratory of Bioactive Substances and Resource Utilization of Chinese Herbal Medicine, Ministry of Education, PR China.
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4
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Vinaykumar A, Venkateswara Rao B. A divergent and stereoselective approach for the syntheses of (-)-zeylenol, (+)-6-O-benzoylzeylenol, (+)-uvarigranol E and (+)-uvarigranol F. Carbohydr Res 2021; 509:108432. [PMID: 34530378 DOI: 10.1016/j.carres.2021.108432] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/21/2021] [Accepted: 08/23/2021] [Indexed: 11/27/2022]
Abstract
A common, divergent, efficient, and stereoselective approach to the total syntheses of four carbasugars, namely, (-)-zeylenol, (+)-6-O-benzoylzeylenol, (+)-uvarigranol E and (+)-uvarigranol F from d-mannose derived key intermediate 14 is described. This intermediate was synthesized using mixed aldol condensation, Grignard reaction and ring closing metathesis as key steps by our previous method in nine steps from d-mannose. From this intermediate, we achieved the syntheses of (+)-6-O-benzoylzeylenol, (+)-uvarigranol F in three steps, (+)-uvarigranol E in four steps and improved synthesis of (-)-zeylenol.
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Affiliation(s)
- Allam Vinaykumar
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Batchu Venkateswara Rao
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.
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5
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Takagi A, Usuguchi K, Takashima I, Okuda K. Total Synthesis of Antiausterity Agent (±)-Uvaridacol L by Regioselective Axial Diacylation of a myo-Inositol Orthoester. Org Lett 2021; 23:4083-4087. [PMID: 33596082 DOI: 10.1021/acs.orglett.1c00079] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The antiausterity natural product (±)-uvaridacol L was synthesized for the first time in seven steps from myo-inositol. The key reaction of this synthesis, axial selective dibenzoylation of myo-inositol orthoformate, was achieved using a catalytic amount of tetrabutylammonium fluoride (TBAF). The preferential cytotoxicity of racemic uvaridacol L against cancer cell lines able to adapt to nutrient deprivation was also evaluated under nutrient deprived conditions. Morphological evaluation was also carried out.
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Affiliation(s)
- Akira Takagi
- Laboratory of Bioorganic & Natural Products Chemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita, Higashinada, Kobe, Hyogo 658-8558, Japan
| | - Kazuki Usuguchi
- Laboratory of Bioorganic & Natural Products Chemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita, Higashinada, Kobe, Hyogo 658-8558, Japan
| | - Ippei Takashima
- Laboratory of Bioorganic & Natural Products Chemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita, Higashinada, Kobe, Hyogo 658-8558, Japan
| | - Kensuke Okuda
- Laboratory of Bioorganic & Natural Products Chemistry, Kobe Pharmaceutical University, 4-19-1 Motoyamakita, Higashinada, Kobe, Hyogo 658-8558, Japan
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6
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Siddiqi Z, Wertjes WC, Sarlah D. Chemical Equivalent of Arene Monooxygenases: Dearomative Synthesis of Arene Oxides and Oxepines. J Am Chem Soc 2020; 142:10125-10131. [PMID: 32383862 DOI: 10.1021/jacs.0c02724] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Direct epoxidation of aromatic nuclei by cytochrome P450 monooxygenases is one of the major metabolic pathways of arenes in eukaryotes. The resulting arene oxides serve as versatile precursors to phenols, oxepines, or trans-dihydrodiol-based metabolites. Although such compounds have an important biological and chemical relevance, the lack of methods for their production has hampered access to their utility. Herein, we report a general arenophile-based strategy for the dearomative synthesis of arene oxides. The mildness of this method permits access to sensitive monocyclic arene oxides without any noticeable decomposition to phenols. Moreover, this method enables direct conversion of polycyclic arenes and heteroarenes into the corresponding oxepines. Finally, these studies provided direct connection between simple aromatic precursors and complex small organic molecules via arene oxides and oxepines.
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Affiliation(s)
- Zohaib Siddiqi
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - William C Wertjes
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
| | - David Sarlah
- Roger Adams Laboratory, Department of Chemistry, University of Illinois, Urbana, Illinois 61801, United States
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7
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Alexander BE, Sun S, Palframan MJ, Kociok‐Köhn G, Dibwe DF, Watanabe S, Caggiano L, Awale S, Lewis SE. Sidechain Diversification of Grandifloracin Allows Identification of Analogues with Enhanced Anti-Austerity Activity against Human PANC-1 Pancreatic Cancer Cells. ChemMedChem 2020; 15:125-135. [PMID: 31821731 PMCID: PMC7003952 DOI: 10.1002/cmdc.201900549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/11/2019] [Indexed: 12/25/2022]
Abstract
The natural product (+)-grandifloracin is a potent "anti-austerity" agent, able to suppress the ability of various pancreatic cancer cell lines to tolerate conditions of nutrient deprivation. Such anti-austerity agents represent a promising approach to cancer chemotherapy. Here we report the synthesis and biological evaluation of racemic analogues of grandifloracin bearing diverse sidechains, of which two show enhanced potency in comparison with the natural product. Additionally, several unexpected by-products containing modifications of the grandifloracin core were isolated, identified and similarly evaluated for biological activity.
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Affiliation(s)
| | - Sijia Sun
- Institute of Natural MedicineUniversity of Toyama2630 SugitaniToyama930-0194Japan
| | | | - Gabriele Kociok‐Köhn
- Materials and Chemical Characterisation Facility (MC)University of BathBathBA2 7AYUK
| | - Dya Fita Dibwe
- Institute of Natural MedicineUniversity of Toyama2630 SugitaniToyama930-0194Japan
| | - Shiro Watanabe
- Institute of Natural MedicineUniversity of Toyama2630 SugitaniToyama930-0194Japan
| | - Lorenzo Caggiano
- Department of Pharmacy and PharmacologyUniversity of BathBathBA2 7AYUK
| | - Suresh Awale
- Institute of Natural MedicineUniversity of Toyama2630 SugitaniToyama930-0194Japan
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8
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Liang X, Zhao Y, Si X, Xu M, Tan J, Zhang Z, Zheng C, Zheng C, Cai Q. Enantioselective Synthesis of Arene
cis
‐Dihydrodiols from 2‐Pyrones. Angew Chem Int Ed Engl 2019; 58:14562-14567. [DOI: 10.1002/anie.201908284] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Indexed: 01/13/2023]
Affiliation(s)
- Xiao‐Wei Liang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Yunlong Zhao
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Xu‐Ge Si
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Meng‐Meng Xu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Jia‐Hao Tan
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Zhi‐Mao Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Cheng‐Gong Zheng
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Rd. Shanghai 200032 China
| | - Quan Cai
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
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9
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Liang X, Zhao Y, Si X, Xu M, Tan J, Zhang Z, Zheng C, Zheng C, Cai Q. Enantioselective Synthesis of Arene
cis
‐Dihydrodiols from 2‐Pyrones. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908284] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Xiao‐Wei Liang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Yunlong Zhao
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Xu‐Ge Si
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Meng‐Meng Xu
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Jia‐Hao Tan
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Zhi‐Mao Zhang
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Cheng‐Gong Zheng
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
| | - Chao Zheng
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Rd. Shanghai 200032 China
| | - Quan Cai
- Department of Chemistry and Research Center for Molecular Recognition and Synthesis Fudan University 220 Handan Rd. Shanghai 200433 China
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10
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Qin XJ, Rauwolf TJ, Li PP, Liu H, McNeely J, Hua Y, Liu HY, Porco JA. Isolation and Synthesis of Novel Meroterpenoids from Rhodomyrtus tomentosa: Investigation of a Reactive Enetrione Intermediate. Angew Chem Int Ed Engl 2019; 58:4291-4296. [PMID: 30681258 PMCID: PMC6583783 DOI: 10.1002/anie.201814421] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Indexed: 01/19/2023]
Abstract
Rhodomyrtusials A-C, the first examples of triketone-sesquiterpene meroterpenoids featuring a unique 6/5/5/9/4 fused pentacyclic ring system were isolated from Rhodomyrtus tomentosa, along with several biogenetically-related dihydropyran isomers. Two bis-furans and one dihydropyran isomer showed acetylcholinesterase (AChE) inhibitory activity. Structures of the isolates were unambiguously established by a combination of spectroscopic data, ECD analysis, and total synthesis. Bioinspired total syntheses of six isolates were achieved in six steps utilizing a reactive enetrione intermediate generated in situ from a readily available hydroxy-endoperoxide precursor.
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Affiliation(s)
- Xu-Jie Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences Kunming 650201 (P. R. China)
| | - Tyler J. Rauwolf
- Department of Chemistry, Center for Molecular Discovery (BUCMD), Boston University 590 Commonwealth Avenue, Boston, MA 02215 (USA)
| | - Pan-Pan Li
- College of Forestry, Southwest Forestry University Kunming 650224 (P. R. China)
| | - Hui Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences Kunming 650201 (P. R. China)
| | - James McNeely
- Department of Chemistry, Center for Molecular Discovery (BUCMD), Boston University 590 Commonwealth Avenue, Boston, MA 02215 (USA)
| | - Yan Hua
- College of Forestry, Southwest Forestry University Kunming 650224 (P. R. China)
| | - Hai-Yang Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences Kunming 650201 (P. R. China)
| | - John A. Porco
- Department of Chemistry, Center for Molecular Discovery (BUCMD), Boston University 590 Commonwealth Avenue, Boston, MA 02215 (USA)
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11
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Qin X, Rauwolf TJ, Li P, Liu H, McNeely J, Hua Y, Liu H, Porco JA. Isolation and Synthesis of Novel Meroterpenoids from
Rhodomyrtus tomentos
a: Investigation of a Reactive Enetrione Intermediate. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814421] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Xu‐Jie Qin
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 P. R. China
| | - Tyler J. Rauwolf
- Department of Chemistry Center for Molecular Discovery (BU-CMD) Boston University 590 Commonwealth Avenue Boston MA 02215 USA
| | - Pan‐Pan Li
- College of Forestry Southwest Forestry University Kunming 650224 P. R. China
| | - Hui Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 P. R. China
| | - James McNeely
- Department of Chemistry Center for Molecular Discovery (BU-CMD) Boston University 590 Commonwealth Avenue Boston MA 02215 USA
| | - Yan Hua
- College of Forestry Southwest Forestry University Kunming 650224 P. R. China
| | - Hai‐Yang Liu
- State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650201 P. R. China
| | - John A. Porco
- Department of Chemistry Center for Molecular Discovery (BU-CMD) Boston University 590 Commonwealth Avenue Boston MA 02215 USA
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12
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Hudlicky T. Benefits of Unconventional Methods in the Total Synthesis of Natural Products. ACS Omega 2018; 3:17326-17340. [PMID: 30613812 PMCID: PMC6312638 DOI: 10.1021/acsomega.8b02994] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 11/27/2018] [Indexed: 06/09/2023]
Abstract
This article provides a survey of four "unconventional" methods employed in the synthesis of natural products in the Hudlicky group. The utility of flash vacuum pyrolysis is highlighted by examples of many natural products attained via vinylcyclopropane-cyclopentene rearrangement and its heterocyclic variants. Preparative organic electrochemistry was used in oxidations and reductions with levels of selectivity unattainable by conventional methods. Yeast reduction of ketoesters was featured in the total synthesis of pyrrolizidine alkaloids. Finally, the use of toluene dioxygenase-mediated dihydroxylations in enantioselective synthesis of natural products concludes this presentation. Recently, synthesized targets in the period 2010-2019 are listed in the accompanying table. The results of research from the Hudlicky group are placed in appropriate context with the work of others, and a detailed guide to the current literature is provided.
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Abstract
The phytochemical investigation of the leaf extracts of Uvaria hamiltonii (Annonaceae) led to the isolation and identification of ten compounds including a new seco-cyclohexene (1) together with nine known compounds (2-10). Their structures were elucidated by intensive analysis by spectroscopic methods and comparisons of their spectroscopic data with those of compounds reported in the literature. Compounds 2, 8, and 9 showed potent α-glucosidase inhibitory activity with the IC50 values ranging from 2.6-7.1 µM.
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Affiliation(s)
- Pornphimol Meesakul
- Center of Chemical Innovation for Sustainability (CIS), Mae Fah Luang University, Chiang Rai, Thailand.,School of Science, Mae Fah Luang University, Chiang Rai, Thailand.,School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales, Australia
| | - Stephen G Pyne
- School of Chemistry and Molecular Bioscience, University of Wollongong, Wollongong, New South Wales, Australia
| | - Surat Laphookhieo
- Center of Chemical Innovation for Sustainability (CIS), Mae Fah Luang University, Chiang Rai, Thailand.,School of Science, Mae Fah Luang University, Chiang Rai, Thailand
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14
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Lee RJ, Lindley MR, Pritchard GJ, Kimber MC. A biosynthetically inspired route to substituted furans using the Appel reaction: total synthesis of the furan fatty acid F 5. Chem Commun (Camb) 2018; 53:6327-6330. [PMID: 28548154 DOI: 10.1039/c7cc03229c] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Appel reaction conditions have been harnessed to affect a mild biosynthetically inspired dehydration of endoperoxides to deliver multi-substituted electron rich furans. Unlike traditional dehydrative procedures, this method is metal and acid free, and can be achieved under redox neutral conditions. It is general for a range of aryl and alkyl substituted endoperoxides, and is functional group tolerant. Furthermore, this procedure has been used to deliver an effective total synthesis of the furan fatty acid (FFA) F5.
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Affiliation(s)
- Robert J Lee
- School of Science, Department of Chemistry, Loughborough University, Loughborough, LE11 3TU, UK.
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15
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Pazos M, González B, Suescun L, Seoane G, Carrera I. Production of enantiopure β-amino-γ-hydroxyesters from benzoic acid by a selective formal aminohydroxylation. Tetrahedron Lett 2017; 58:2182-5. [DOI: 10.1016/j.tetlet.2017.04.048] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Awale S, Tawila AM, Dibwe DF, Ueda JY, Sun S, Athikomkulchai S, Balachandran C, Saiki I, Matsumoto K, Esumi H. Highly oxygenated antiausterity agents from the leaves of Uvaria dac. Bioorg Med Chem Lett 2017; 27:1967-1971. [DOI: 10.1016/j.bmcl.2017.03.021] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 02/24/2017] [Accepted: 03/09/2017] [Indexed: 02/02/2023]
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17
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Vinaykumar A, Muniraju C, Rao BV. Stereoselective total synthesis of (−)-zeylenol, a key intermediate for the synthesis of (+)-pipoxide, (−)-uvarigranol G and (−)-tonkinenin A. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Taher ES, Guest P, Benton A, Ma X, Banwell MG, Willis AC, Seiser T, Newton TW, Hutzler J. The Synthesis of Certain Phomentrioloxin A Analogues and Their Evaluation as Herbicidal Agents. J Org Chem 2016; 82:211-233. [DOI: 10.1021/acs.joc.6b02372] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Ehab S. Taher
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Prue Guest
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Amanda Benton
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Xinghua Ma
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Martin G. Banwell
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Anthony C. Willis
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Tobias Seiser
- BASF SE, Carl-Boschstrasse
38, Ludwigshafen 67056, Germany
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19
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Affiliation(s)
- Cheng-Yu Chung
- Department of Chemistry; National Central University; 300 Jhong-Da Rd Jhong-Li Taoyuan 32001 Taiwan
| | - Venkatachalam Angamuthu
- Department of Chemistry; National Central University; 300 Jhong-Da Rd Jhong-Li Taoyuan 32001 Taiwan
| | - Long-Shiang Li
- Department of Chemistry; National Central University; 300 Jhong-Da Rd Jhong-Li Taoyuan 32001 Taiwan
| | - Duen-Ren Hou
- Department of Chemistry; National Central University; 300 Jhong-Da Rd Jhong-Li Taoyuan 32001 Taiwan
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20
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Yaremenko IA, Vil’ VA, Demchuk DV, Terent’ev AO. Rearrangements of organic peroxides and related processes. Beilstein J Org Chem 2016; 12:1647-748. [PMID: 27559418 PMCID: PMC4979652 DOI: 10.3762/bjoc.12.162] [Citation(s) in RCA: 131] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 07/14/2016] [Indexed: 12/17/2022] Open
Abstract
This review is the first to collate and summarize main data on named and unnamed rearrangement reactions of peroxides. It should be noted, that in the chemistry of peroxides two types of processes are considered under the term rearrangements. These are conventional rearrangements occurring with the retention of the molecular weight and transformations of one of the peroxide moieties after O-O-bond cleavage. Detailed information about the Baeyer-Villiger, Criegee, Hock, Kornblum-DeLaMare, Dakin, Elbs, Schenck, Smith, Wieland, and Story reactions is given. Unnamed rearrangements of organic peroxides and related processes are also analyzed. The rearrangements and related processes of important natural and synthetic peroxides are discussed separately.
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Affiliation(s)
- Ivan A Yaremenko
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Vera A Vil’
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Dmitry V Demchuk
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Alexander O Terent’ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
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21
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Shi E, Liu J, Liu C, Shao Y, Wang H, Lv Y, Ji M, Bao X, Wan X. Difunctionalization of Styrenes with Perfluoroalkyl and tert-Butylperoxy Radicals: Room Temperature Synthesis of (1-(tert-Butylperoxy)-2-perfluoroalkyl)-ethylbenzene. J Org Chem 2016; 81:5878-85. [DOI: 10.1021/acs.joc.6b00575] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Erbo Shi
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Jiajun Liu
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Chunmei Liu
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Ying Shao
- Key
Laboratory of Advanced Catalytic Materials and Technology, Advanced
Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou 213164, P. R. China
| | - Hanghang Wang
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Yuanzheng Lv
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Meishan Ji
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Xiaoguang Bao
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Xiaobing Wan
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
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22
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Froese J, Overbeeke C, Hudlicky T. Chemoenzymatic Synthesis of Pleiogenone A: An Antiproliferative Trihydroxyalkylcyclohexenone Isolated from Pleiogynium timorense. Chemistry 2016; 22:6180-4. [PMID: 26956129 DOI: 10.1002/chem.201601061] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2016] [Indexed: 02/01/2023]
Abstract
The first total synthesis of polyhydroxylated cyclohexenone 1, isolated from Pleiogynium timorense and named pleiogenone A, is reported that also serves as a proof of structure and absolute configuration. Enzymatic dihydroxylation of benzoic acid with R. eutrophus B9 provided enantiomerically pure diene diol 6. Elaboration of the carboxylate moiety to the alkyl side chain was followed by singlet oxygen cycloaddition to furnish an endoperoxide whose reduction with thiourea led to cyclitol 19. Several protective operations were required before oxidation and the final extension of the side chain by a Wittig reaction. After final deprotection of the acetonide functionality the desired pleiogenone A (1) was obtained in 14 operations from benzoic acid.
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Affiliation(s)
- Jordan Froese
- Chemistry Department and Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, L2S 3A1, Ontario, Canada
| | - Cameron Overbeeke
- Chemistry Department and Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, L2S 3A1, Ontario, Canada
| | - Tomas Hudlicky
- Chemistry Department and Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, L2S 3A1, Ontario, Canada.
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23
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Luo Q, Liu C, Tong J, Shao Y, Shan W, Wang H, Zheng H, Cheng J, Wan X. Cu-Catalyzed Multicomponent Reaction of Styrenes, Perfluoroalkyl Halide, Alcohol, and tert-Butyl Hydroperoxide: One-Pot Synthesis of (Z)-β-Alkoxyperfluoroalkenone. J Org Chem 2016; 81:3103-11. [DOI: 10.1021/acs.joc.5b02664] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Qiang Luo
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Chunmei Liu
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Jingjing Tong
- Jiangsu
Key Laboratory of Advanced Catalytic Materials and Technology, Advanced
Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, P. R. China
| | - Ying Shao
- Jiangsu
Key Laboratory of Advanced Catalytic Materials and Technology, Advanced
Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, P. R. China
| | - Wenyu Shan
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Hanghang Wang
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Hao Zheng
- Jiangsu
Key Laboratory of Advanced Catalytic Materials and Technology, Advanced
Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, P. R. China
| | - Jiang Cheng
- Jiangsu
Key Laboratory of Advanced Catalytic Materials and Technology, Advanced
Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, P. R. China
| | - Xiaobing Wan
- Key
Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry,
Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
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24
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Chang EL, Bolte B, Lan P, Willis AC, Banwell MG. Chemoenzymatic Total Syntheses of the Enantiomers of the Protoilludanes 8-Deoxydihydrotsugicoline and Radudiol. J Org Chem 2016; 81:2078-86. [PMID: 26840613 DOI: 10.1021/acs.joc.6b00043] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Chemoenzymatic and stereoselective total syntheses of the non-natural enantiomeric forms of the recently isolated protoilludane natural products 8-deoxydihydrotsugicoline (1) and radudiol (2) (viz. ent-1 and ent-2, respectively) are reported. The key steps involve the Diels-Alder cycloaddition of cyclopent-2-en-1-one to the acetonide derived from enantiomerically pure and enzymatically derived cis-1,2-dihydrocatechol 3, elaboration of the resulting adduct to the tricyclic ketone 12, and a photochemically promoted rearrangement of this last compound to the octahydro-1H-cyclobuta[e]indenone 13.
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Affiliation(s)
- Ee Ling Chang
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, ACT 2601, Australia
| | - Benoit Bolte
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, ACT 2601, Australia
| | - Ping Lan
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, ACT 2601, Australia
| | - Anthony C Willis
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, ACT 2601, Australia
| | - Martin G Banwell
- Research School of Chemistry, Institute of Advanced Studies, The Australian National University , Canberra, ACT 2601, Australia
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25
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Yazici A, Wille U, Pyne SG. Synthesis of Bridged Heterocycles via Sequential 1,4- and 1,2-Addition Reactions to α,β-Unsaturated N-Acyliminium Ions: Mechanistic and Computational Studies. J Org Chem 2016; 81:1434-49. [DOI: 10.1021/acs.joc.5b02572] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Arife Yazici
- School
of Chemistry, University of Wollongong, Wollongong, New South Wales 2522, Australia
| | - Uta Wille
- School
of Chemistry, BIO21 Molecular Science and Biotechnology Institute, University of Melbourne, Melbourne, Victoria 3010, Australia
| | - Stephen G. Pyne
- School
of Chemistry, University of Wollongong, Wollongong, New South Wales 2522, Australia
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26
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Vidyasagar A, Sureshan KM. Total syntheses of five uvacalols: structural validation of uvacalol A, uvacalol B and uvacalol C and disproval of the structures of uvacalol E and uvacalol G. Org Biomol Chem 2015; 13:3900-10. [PMID: 25655990 DOI: 10.1039/c4ob02663b] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Uvacalols are novel carbasugars belonging to the family of C7-cyclitols, and are isolated from the roots of the medicinal plant, Uvaria calamistrata. In this study, we report the first syntheses of five uvacalols starting from a cheap and easily available chiral pool starting material, D-mannitol, in their optically pure form. D-Mannitol was converted to the alkene 2 through a series of regioselective and chemoselective transformations by following our previously reported strategies. Alkene 2 was converted to the enal 5 through a series of protective group manipulations. Enal 5 was converted to the diene 6 by the addition of vinyl magnesium bromide. Ring closing metathesis of the diene 6 using Grubbs’ second generation catalyst installed the core cyclohexenyl unit. Through several iterative and selective manipulations of various hydroxyl groups, uvacalol A, uvacalol B, uvacalol C, uvacalol E and uvacalol G were synthesized. A comparison of the (1)H NMR and (13)C NMR data of these synthesized molecules with the reported data, revealed that the reported structures of uvacalols A–C are correct and those of uvacalols E and G are wrong.
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Affiliation(s)
- Adiyala Vidyasagar
- School of Chemistry, Indian Institute of Science Education and Research, Thiruvananthapuram 695016, India.
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27
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ten Broeke M, Ali Khan M, Kociok-köhn G, Kann N, Lewis SE. Tricarbonyliron(0) complexes of bio-derived η4 cyclohexadiene ligands: An approach to analogues of oseltamivir. J Organomet Chem 2015; 799-800:19-29. [DOI: 10.1016/j.jorganchem.2015.09.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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28
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Ho DV, Kodama T, Le HTB, Phan KV, Do TT, Bui TH, Le AT, Win NN, Imagawa H, Ito T, Morita H, Nguyen HT. A new polyoxygenated cyclohexene and a new megastigmane glycoside from Uvaria grandiflora. Bioorg Med Chem Lett 2015; 25:3246-50. [DOI: 10.1016/j.bmcl.2015.05.066] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 05/22/2015] [Accepted: 05/25/2015] [Indexed: 10/23/2022]
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29
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Eaton A, Rakotondraibe LH, Brodie PJ, Goetz M, Kingston DGI. Antiproliferative Trihydroxyalkylcyclohexenones from Pleiogynium timoriense. J Nat Prod 2015; 78:1752-5. [PMID: 26132421 PMCID: PMC4517783 DOI: 10.1021/acs.jnatprod.5b00119] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Indexed: 05/26/2023]
Abstract
Investigation of a DCM extract of the bark of Pleiogynium timoriense from the former Merck collection of natural product extracts for antiproliferative activity indicated that it was active with an IC50 value of 1.3 μg/mL against the A2780 ovarian cancer cell line. Bioassay-directed fractionation of this extract yielded the three new bioactive trihydroxyalkylcyclohexenones 1-3. Their structures were determined by a combination of spectroscopic and chemical methods. Compounds 1-3 exhibited submicromolar antiproliferative activity against the A2780 human ovarian cancer cell line, with IC50 values of 0.8, 0.7, and 0.8 μM, respectively.
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Affiliation(s)
- Alexander
L. Eaton
- Department
of Chemistry, Virginia Polytechnic Institute
and State University, Blacksburg, Virginia 24061, United States
| | - L. Harinantenaina Rakotondraibe
- Division
of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, The Ohio State University, Columbus, Ohio 43210, United States
| | - Peggy J. Brodie
- Department
of Chemistry, Virginia Polytechnic Institute
and State University, Blacksburg, Virginia 24061, United States
| | - Michael Goetz
- Natural
Products Discovery Institute, 3805 Old Easton Road, Doylestown, Pennsylvania 18902, United States
| | - David G. I. Kingston
- Department
of Chemistry, Virginia Polytechnic Institute
and State University, Blacksburg, Virginia 24061, United States
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30
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El-Mansy MF, Flister M, Lindeman S, Kalous K, Sem DS, Donaldson WA. Generation of Molecular Complexity from Cyclooctatetraene: Preparation of Aminobicyclo[5.1.0]octitols. Chemistry 2015; 21:10886-95. [DOI: 10.1002/chem.201501274] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Indexed: 11/10/2022]
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31
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Fischer TC, Cerra B, Fink MJ, Rudroff F, Horkel E, Mihovilovic MD. First Total Synthesis of Piperenol B and Configuration Revision of the Enantiomers Piperenol B and Uvarirufol A. European J Org Chem 2015. [DOI: 10.1002/ejoc.201403582] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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32
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Liu C, Shi E, Xu F, Luo Q, Wang H, Chen J, Wan X. Combination of fluoroalkylation and Kornblum–DeLaMare reaction: a new strategy for the construction of (Z)-β-perfluoroalkyl enaminones. Chem Commun (Camb) 2015; 51:1214-7. [DOI: 10.1039/c4cc07833k] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A novel strategy has been developed for the highly chemo- and stereo-selective synthesis of (Z)-β-perfluoroalkyl enaminones via a multicomponent radical reaction involving sequential fluoroalkylation and Kornblum–DeLaMare reaction.
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Affiliation(s)
- Chunmei Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Erbo Shi
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Feng Xu
- SABIC Technology Center
- Riyadh 11551
- Saudi Arabia
| | - Qiang Luo
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Hongxiang Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Jijun Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- 215123 Suzhou
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33
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34
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Lallo S, Lee S, Dibwe DF, Tezuka Y, Morita H. A new polyoxygenated cyclohexane and other constituents from Kaempferia rotunda and their cytotoxic activity. Nat Prod Res 2014; 28:1754-9. [DOI: 10.1080/14786419.2014.945175] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Subehan Lallo
- Faculty of Pharmacy, Biofarmaka Research Center, Hasanuddin University, Jl. Perintis Kemerdekaan Km 10, Makassar, 90245, Indonesia
| | - Sullim Lee
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan
| | - Dya Fita Dibwe
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan
| | - Yasuhiro Tezuka
- Faculty of Pharmaceutical Sciences, Hokuriku University, Ho-3 Kanagawa-machi, Kanazawa, 920-1181, Japan
| | - Hiroyuki Morita
- Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama, 930-0194, Japan
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35
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Kelebekli L, Balcı N, Şahin E. Stereospecific synthesis of highly substituted novel carbasugar as carbonic anhydrase inhibitors: decahydronaphthalene-1,2,3,4,5,6,7-heptol. Tetrahedron 2014; 70:5175-81. [DOI: 10.1016/j.tet.2014.05.101] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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36
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Altun Y, Dogan SD, Balci M. Synthesis of branched carbasugars via photooxygenation and manganese(III) acetate free radical cyclization. Tetrahedron 2014; 70:4884-90. [DOI: 10.1016/j.tet.2014.05.069] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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37
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Ali Khan M, Wood PJ, Lamb-guhren NM, Caggiano L, Kociok-köhn G, Tosh D, Lewis SE. The enone motif of (+)-grandifloracin is not essential for ‘anti-austerity’ antiproliferative activity. Bioorg Med Chem Lett 2014; 24:2815-9. [DOI: 10.1016/j.bmcl.2014.04.111] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 04/25/2014] [Accepted: 04/27/2014] [Indexed: 02/06/2023]
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38
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Boyd DR, Sharma ND, Kaik M, McIntyre PBA, Malone JF, Stevenson PJ. Reactions of enantiopure cyclic diols with sulfuryl chloride. Org Biomol Chem 2014; 12:2128-36. [PMID: 24569926 DOI: 10.1039/c4ob00042k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Monocyclic allylic cis-1,2-diols reacted with sulfuryl chloride at 0 °C in a regio- and stereo-selective manner to give 2-chloro-1-sulfochloridates, which were hydrolysed to yield the corresponding trans-1,2-chlorohydrins. At -78 °C, with very slow addition of sulfuryl chloride, cyclic sulfates were formed in good yields, proved to be very reactive with nucleophiles and rapidly decomposed on attempted storage. Reaction of a cyclic sulfate with sodium azide yielded a trans-azidohydrin without evidence of allylic rearrangement occurring. An enantiopure bicyclic cis-1,2-diol reacted with sulfuryl chloride to give, exclusively, a trans-1,2-dichloride enantiomer with retention of configuration at the benzylic centre and inversion at the non-benzylic centre; a mechanism is presented to rationalise the observation.
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Affiliation(s)
- Derek R Boyd
- School of Chemistry and Chemical Engineering, Queens University, Belfast, N Ireland BT9 5AG, UK.
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39
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Lan P, Banwell MG, Willis AC. Chemoenzymatic Total Syntheses of Ribisins A, B, and D, Polyoxygenated Benzofuran Derivatives Displaying NGF-Potentiating Properties. J Org Chem 2014; 79:2829-42. [DOI: 10.1021/jo500210k] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Ping Lan
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 0200, Australia
| | - Martin G. Banwell
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 0200, Australia
| | - Anthony C. Willis
- Research School of Chemistry,
Institute of Advanced Studies, The Australian National University, Canberra, ACT 0200, Australia
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40
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Abstract
The dearomatising dihydroxylation of aromatic molecules mediated by arene dioxygenase enzymes can provide cyclohexadiene-diols that are versatile starting materials for organic synthesis. Whereas oxidation of a substituted arene to give its ortho,meta-dihydrodiol has been demonstrated for numerous substrates and dioxygenases, formation of ipso,ortho-dihydrodiols has historically been underutilised in comparison. This feature article presents a chronological account of reported uses of such diols.
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Affiliation(s)
- Simon E Lewis
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
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41
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Froese J, Endoma-Arias MAA, Hudlicky T. Processing of o-Halobenzoates by Toluene Dioxygenase. The Role of the Alkoxy Functionality in the Regioselectivity of the Enzymatic Dihydroxylation Reaction. Org Process Res Dev 2014. [DOI: 10.1021/op400343c] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Jordan Froese
- Department
of Chemistry and
Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario L2S 3A1, Canada
| | - Mary Ann A. Endoma-Arias
- Department
of Chemistry and
Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario L2S 3A1, Canada
| | - Tomas Hudlicky
- Department
of Chemistry and
Centre for Biotechnology, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario L2S 3A1, Canada
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42
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Griffen JA, Kenwright SJ, Abou-Shehada S, Wharry S, Moody TS, Lewis SE. Benzoate dioxygenase fromRalstonia eutrophaB9 – unusual regiochemistry of dihydroxylation permits rapid access to novel chirons. Org Chem Front 2014. [DOI: 10.1039/c3qo00057e] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Oxidation of benzoic acid by a microorganism expressing benzoate dioxygenase leads to the formation of an unusualipso,orthoarenecis-diol in sufficient quantities to be useful for synthesis.
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Affiliation(s)
- Julia A. Griffen
- Centre for Sustainable Chemical Technologies
- University of Bath
- Claverton Down, UK
| | - Sarah J. Kenwright
- Centre for Sustainable Chemical Technologies
- University of Bath
- Claverton Down, UK
| | - Sarah Abou-Shehada
- Centre for Sustainable Chemical Technologies
- University of Bath
- Claverton Down, UK
| | - Scott Wharry
- Department of Biocatalysis and Isotope Chemistry
- Almac Group Ltd
- Craigavon, UK
| | - Thomas S. Moody
- Department of Biocatalysis and Isotope Chemistry
- Almac Group Ltd
- Craigavon, UK
| | - Simon E. Lewis
- Centre for Sustainable Chemical Technologies
- University of Bath
- Claverton Down, UK
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Affiliation(s)
- Xiaojian Zheng
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Shenglin Lu
- Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Zhiping Li
- Department of Chemistry, Renmin University of China, Beijing 100872, China
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46
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Baran A, Aydin G, Savran T, Sahin E, Balci M. Trisequential Photooxygenation Reaction: Application to the Synthesis of Carbasugars. Org Lett 2013; 15:4350-3. [DOI: 10.1021/ol401823m] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Arif Baran
- Department of Chemistry, Sakarya University, 54100 Sakarya, Turkey, Department of Chemistry, Ataturk University, 25240 Erzurum, Turkey, and Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Gokay Aydin
- Department of Chemistry, Sakarya University, 54100 Sakarya, Turkey, Department of Chemistry, Ataturk University, 25240 Erzurum, Turkey, and Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Tahir Savran
- Department of Chemistry, Sakarya University, 54100 Sakarya, Turkey, Department of Chemistry, Ataturk University, 25240 Erzurum, Turkey, and Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Ertan Sahin
- Department of Chemistry, Sakarya University, 54100 Sakarya, Turkey, Department of Chemistry, Ataturk University, 25240 Erzurum, Turkey, and Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
| | - Metin Balci
- Department of Chemistry, Sakarya University, 54100 Sakarya, Turkey, Department of Chemistry, Ataturk University, 25240 Erzurum, Turkey, and Department of Chemistry, Middle East Technical University, 06800 Ankara, Turkey
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47
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Boyd DR, Sharma ND, Belhocine T, Malone JF, McGregor ST, Atchison J, McIntyre PAB, Stevenson PJ. Reactions of nitrogen nucleophiles with enantiopure cyclohexenyl electrophiles: a stereo- and regio- selective study. J PHYS ORG CHEM 2013. [DOI: 10.1002/poc.3183] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Derek R. Boyd
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Narain D. Sharma
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Tayeb Belhocine
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - John F. Malone
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Stuart T. McGregor
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Jordan Atchison
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Peter A. B. McIntyre
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
| | - Paul J. Stevenson
- School of Chemistry and Chemical Engineering; Queen's University; Belfast BT9 5AG UK
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48
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Griffen JA, White JC, Kociok-Köhn G, Lloyd MD, Wells A, Arnot TC, Lewis SE. New aminocyclitols with quaternary stereocentres via acylnitroso cycloaddition with an ipso,ortho arene dihydrodiol. Tetrahedron 2013. [DOI: 10.1016/j.tet.2013.04.033] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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49
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Reekie TA, Banwell MG, Willis AC. Intramolecular Cycloaddition Reactions of cis-1,2-Dihydrocatechol Derivatives Incorporating C3-Tethered Diazoketones, Nitrile Oxides, and Azides: Stereocontrolled Routes to Enantiomerically Pure Spiro[5.5]undecanes and Related Systems. J Org Chem 2013; 78:7100-11. [DOI: 10.1021/jo400952u] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tristan A. Reekie
- Research School of Chemistry, Institute
of Advanced
Studies, The Australian National University, Canberra ACT 0200, Australia
| | - Martin G. Banwell
- Research School of Chemistry, Institute
of Advanced
Studies, The Australian National University, Canberra ACT 0200, Australia
| | - Anthony C. Willis
- Research School of Chemistry, Institute
of Advanced
Studies, The Australian National University, Canberra ACT 0200, Australia
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50
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Stephenson GR, Palotai IM. Regiodirecting effects in difunctionalised tricarbonyl[(1,2,3,4,5-η)-cyclohexadienyl]iron(1+) salts: building blocks for alkaloids. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2012.09.086] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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