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Lu S, Ding CH, Xu B. Triple-Consecutive Isocyanide Insertions with Aldehydes: Synthesis of 4-Cyanooxazoles. Org Lett 2023; 25:849-854. [PMID: 36705938 DOI: 10.1021/acs.orglett.3c00008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
An efficient TMSOTf-promoted selective triple consecutive insertions of tert-butyl isocyanide into aldehydes has been developed, affording pharmacological interesting 4-cyanooxazoles in high yields in a one pot manner. The given method encompasses a wide range of substrates with tert-butyl isocyanide serving as sources of critical "CN" and "C-N═C" moieties. The versatile transformations of the resulting 4-cyanooxazoles were demonstrated. The key reaction intermediates for plausible mechanisms were determined.
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Affiliation(s)
- Shaohang Lu
- Department of Chemistry, Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Chang-Hua Ding
- Department of Chemistry, Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Bin Xu
- Department of Chemistry, Affiliated Nantong Hospital of Shanghai University (The Sixth People's Hospital of Nantong), Shanghai Engineering Research Center of Organ Repair, Innovative Drug Research Center, School of Medicine, Shanghai University, Shanghai 200444, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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2
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Song W, Du Q, Li X, Wang S, Song G. Sustainable Production of Bioactive Molecules from C-Lignin-Derived Propenylcatechol. CHEMSUSCHEM 2022; 15:e202200646. [PMID: 35548878 DOI: 10.1002/cssc.202200646] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/12/2022] [Indexed: 06/15/2023]
Abstract
Catechyl lignin (C-lignin) is a naturally occurring linear homogeneous biopolymer composed solely of caffeyl alcohol subunits with cleavable benzodioxane linkages. The inherent structural features of propenylcatechol, a direct depolymerized product of castor seed coats C-lignin, render it a sustainable and promising platform for the synthesis of bioactive molecules. Herein, diversified transformations of propenylcatechol, including C=C bond difunctionalization, β-modification, β,γ-rearrangement, and γ-methyl derivatization, were reported based on known or developed methods. A series of functional molecular skeletons involved in the current synthetic routes for the preparation of pharmaceuticals and bioactive molecules were obtained. Starting from castor seed coats, annuloline (natural product) and CC-5079 (antitumor) were synthesized using facile and inexpensive reagents in only four- and five-sequence reactions, respectively, thereby demonstrating a superior step-efficiency to that of reported synthetic routes. Almost all atoms in the C-lignin biopolymer were incorporated into the final products owing to the intrinsic structures of naturally occurring C-lignin. Bioactive molecules produced from C-lignin integrate a low-carbon footprint with high-quality and economical manufacture of pharmaceuticals.
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Affiliation(s)
- Weihong Song
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P. R. China
- Institute of Drug Discovery Technology Institution, Ningbo University, Ningbo, 315000, P. R. China
| | - Qinglian Du
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P. R. China
| | - Xiancheng Li
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P. R. China
| | - Shuizhong Wang
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P. R. China
| | - Guoyong Song
- Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083, P. R. China
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3
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Zhao H, Luo Z, Yang J, Li B, Han J, Xu L, Lai W, Walsh PJ. Ligand‐Promoted Rh
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‐Catalyzed C2‐Selective C−H Alkenylation and Polyenylation of Imidazoles with Alkenyl Carboxylic Acids. Chemistry 2022; 28:e202200441. [DOI: 10.1002/chem.202200441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Haoqiang Zhao
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
- Roy and Diana Vagelos Laboratories Penn/Merck Laboratory for High-Throughput Experimentation Department of Chemistry University of Pennsylvania 231 South 34th Street Philadelphia PA 19104-6323 USA
- Department of Chemistry School of Chinese Pharmacy Beijing University of Chinese Medicine Beijing 102488 P. R. China
| | - Zhenli Luo
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Ji Yang
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Bohan Li
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Jiahong Han
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Lijin Xu
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Wenzhen Lai
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Patrick J. Walsh
- Roy and Diana Vagelos Laboratories Penn/Merck Laboratory for High-Throughput Experimentation Department of Chemistry University of Pennsylvania 231 South 34th Street Philadelphia PA 19104-6323 USA
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4
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Jeong S, Joo JM. Transition-Metal-Catalyzed Divergent C-H Functionalization of Five-Membered Heteroarenes. Acc Chem Res 2021; 54:4518-4529. [PMID: 34886664 DOI: 10.1021/acs.accounts.1c00547] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Conversion of common reactants to diverse products is a key objective of organic syntheses. Recent developments in transition-metal-catalyzed C-H functionalization have increased the interest in such conversions. Both the position of functionalization and the type of the substituent can be varied, allowing systematic diversification of common structural cores. Because five-membered heteroarenes (pyrazole, imidazole, thiazole, pyrrole, and thiophene) are ubiquitous in pharmaceuticals and organic functional materials, the selective C-H functionalization of these heterocyclic cores facilitates both the optimization of their physicochemical properties and streamlining of their preparation. In addition, the parent forms of these heterocycles are more readily available and inexpensive than any other derivatives of their families. Hence, their nondirected C-H functionalization is highly desirable. Although various regioselective reactions have been developed, many of them target the most reactive site; hence, except for some extensively studied arylation reactions, regiodivergent functionalization of two or more sites has been limited.This Account summarizes our work on the regiodivergent, nondirected C-H functionalization of five-membered heteroarenes with alkenes and alkynes. These unsaturated hydrocarbons are readily available, and all the composing atoms can be incorporated into products with high atom efficiency. Furthermore, the installed alkenyl groups can be transformed to other useful functional groups. To achieve comparable selectivity to that observed in the traditional reactions of these heteroarenes with highly electrophilic reagents and strong bases, a transition metal catalytic system was carefully devised with a more streamlined synthesis. A judicious choice of metals, ligands, acid and base additives, and solvents orchestrates divergent transformations using electronic and steric effects of the heteroarenes. Although C-H cleavage is a rate- and site-selectivity-determining step in most cases, the subsequent steps involving the formation of C-C bonds are often more critical than the other steps. For the C-H cleavage step, modulating the electronic properties of catalysts to make them electrophilic allows preferential alkenylation at the nucleophilic position. In addition, the presence of an internal base that can be exploited for concerted metalation-deprotonation of the acidic C-H bond offers alternative regioselectivity. Furthermore, we developed our own ligand system based on a conformationally rigid pyrazolonaphthyridine scaffold that enables aerobic C-H alkenylation reactions with steric control. We showed that the electronic and steric effects of heteroarenes can be further extended to chemodivergent reactions with norbornene derivatives. Depending on whether the palladacycle is formed, heteroarenes selectively undergo 1:2 annulation with norbornene derivatives and three-component reactions with other azoles through the Pd-norbornene adducts or Catellani and 2:1 annulation reactions through the palladacycle intermediates.Other research groups have also contributed to the development of divergent reactions, in investigations ranging from the pioneering studies in the early days of research on C-H functionalization to recent studies with new ligands. We have also discussed these studies in context. These approaches provide access to many heteroarenes with systematically varied substituents. We believe that new ligand systems and mechanistic insights gained through these studies will enrich fields beyond C-H functionalization of five-membered heteroarenes.
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Affiliation(s)
- Siyeon Jeong
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Jung Min Joo
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
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5
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Palladium-Catalyzed Dehydrogenative C-2 Alkenylation of 5-Arylimidazoles and Related Azoles with Styrenes. Catalysts 2021. [DOI: 10.3390/catal11070762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The construction of carbon–carbon bonds by direct involvement of two unactivated carbon–hydrogen bonds, without any directing group, ensures a high atom economy of the entire process. Here, we describe a simple protocol for the Pd(II)/Cu(II)-promoted intermolecular cross-dehydrogenative coupling (CDC) of 5-arylimidazoles, benzimidazoles, benzoxazole and 4,5-diphenylimidazole at their C-2 position with functionalized styrenes. This specific CDC, known as the Fujiwara–Moritani reaction or oxidative Heck coupling, also allowed the C-4 alkenylation of the imidazole nucleus when both 2 and 5 positions were occupied.
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6
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Basak S, Dutta S, Maiti D. Accessing C2-Functionalized 1,3-(Benz)azoles through Transition Metal-Catalyzed C-H Activation. Chemistry 2021; 27:10533-10557. [PMID: 33909304 DOI: 10.1002/chem.202100475] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Indexed: 12/22/2022]
Abstract
The skeletal presence of 1,3-azoles in a variety of bioactive natural products, pharmacophores, and organic materials demands the derivatization of such heteroarenes regioselectively. Plenty of cross-coupling as well as cyclocondensation reactions have been performed to build up these skeletons but remained commercially unrealizable. A couple of severe drawbacks are faced by these traditional protocols that require a more straightforward strategy to obviate them. Transition metal-catalyzed C-H functionalization has emerged as a superior alternative in that context. 1,3-Azoles and their benzo counterparts have been extensively functionalized exploiting both noble and earth-abundant transition metals. Lately, C-2 functionalization have gained much traction due to the ease of attaining high regioselectivity and installation of synthetically manipulative functionalities. This critical review presents a bird's eye view of all major C-2 functionalization of (benz)azoles catalyzed by a diverse set of metals performed over the past 15 years.
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Affiliation(s)
- Sumon Basak
- Department of Chemistry, Banaras Hindu University, Varanasi, UP, 221005, India
| | - Subhabrata Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, MH, 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Mumbai, MH, 400076, India
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7
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Bellina F, Biagetti M, Guariento S, Lessi M, Fausti M, Ronchi P, Rosadoni E. Ligand-free Pd/Ag-mediated dehydrogenative alkynylation of imidazole derivatives. RSC Adv 2021; 11:25504-25509. [PMID: 35478867 PMCID: PMC9036978 DOI: 10.1039/d1ra05303e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 07/19/2021] [Indexed: 01/12/2023] Open
Abstract
A variety of 2-alkynyl(benzo)imidazoles have been synthesized by dehydrogenative alkynylation of (benzo)imidazoles with terminal alkyne in NMP under air in the presence of Ag2CO3 as the oxidant and Pd(OAc)2 as the catalyst precursor. The data obtained in this study support a reaction mechanism involving a non-concerted metalation deprotonation (n-CMD) pathway. The regioselective synthesis of 2-alkynyl(benz)imidazoles was successfully achieved by Pd(ii)/Ag(i)-mediated dehydrogenative alkynylation of the corresponding (benz)imidazoles with terminal alkynes in an open vessel.![]()
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Affiliation(s)
- Fabio Bellina
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- 56124 Pisa
- Italy
| | - Matteo Biagetti
- Chemistry Research and Drug Design
- Chiesi Farmaceutici S.p.A
- Centro Ricerche
- 43122 Parma
- Italy
| | - Sara Guariento
- Chemistry Research and Drug Design
- Chiesi Farmaceutici S.p.A
- Centro Ricerche
- 43122 Parma
- Italy
| | - Marco Lessi
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- 56124 Pisa
- Italy
| | - Mattia Fausti
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- 56124 Pisa
- Italy
| | - Paolo Ronchi
- Chemistry Research and Drug Design
- Chiesi Farmaceutici S.p.A
- Centro Ricerche
- 43122 Parma
- Italy
| | - Elisabetta Rosadoni
- Dipartimento di Chimica e Chimica Industriale
- Università di Pisa
- 56124 Pisa
- Italy
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8
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Chen S, Ranjan P, Voskressensky LG, Van der Eycken EV, Sharma UK. Recent Developments in Transition-Metal Catalyzed Direct C-H Alkenylation, Alkylation, and Alkynylation of Azoles. Molecules 2020; 25:molecules25214970. [PMID: 33121108 PMCID: PMC7662665 DOI: 10.3390/molecules25214970] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 10/23/2020] [Accepted: 10/24/2020] [Indexed: 12/17/2022] Open
Abstract
The transition metal-catalyzed C–H bond functionalization of azoles has emerged as one of the most important strategies to decorate these biologically important scaffolds. Despite significant progress in the C–H functionalization of various heteroarenes, the regioselective alkylation and alkenylation of azoles are still arduous transformations in many cases. This review covers recent advances in the direct C–H alkenylation, alkylation and alkynylation of azoles utilizing transition metal-catalysis. Moreover, the limitations of different strategies, chemoselectivity and regioselectivity issues will be discussed in this review.
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Affiliation(s)
- Su Chen
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium; (S.C.); (P.R.)
| | - Prabhat Ranjan
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium; (S.C.); (P.R.)
| | - Leonid G. Voskressensky
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya street 6, RU-117198 Moscow, Russia;
| | - Erik V. Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium; (S.C.); (P.R.)
- Organic Chemistry Department, Science Faculty, Peoples’ Friendship University of Russia (RUDN University), Miklukho-Maklaya street 6, RU-117198 Moscow, Russia;
- Correspondence: (E.V.V.d.E.); (U.K.S.)
| | - Upendra K. Sharma
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, University of Leuven (KU Leuven), Celestijnenlaan 200F, B-3001 Leuven, Belgium; (S.C.); (P.R.)
- Correspondence: (E.V.V.d.E.); (U.K.S.)
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9
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Synthesis and HPLC-ECD Study of Cytostatic Condensed O,N-Heterocycles Obtained from 3-Aminoflavanones. Biomolecules 2020; 10:biom10101462. [PMID: 33092128 PMCID: PMC7593906 DOI: 10.3390/biom10101462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 11/16/2022] Open
Abstract
Racemic chiral O,N-heterocycles containing 2-arylchroman or 2-aryl-2H-chromene subunit condensed with morpholine, thiazole, or pyrrole moieties at the C-3-C-4 bond were synthesized with various substitution patterns of the aryl group by the cyclization of cis- or trans-3-aminoflavanone analogues. The 3-aminoflavanone precursors were obtained in a Neber rearrangement of oxime tosylates of flavanones, which provided the trans diastereomer as the major product and enabled the isolation of both the cis- and trans-diastereomers. The cis- and trans-aminoflavanones were utilized to prepare three diastereomers of 5-aryl-chromeno[4,3-b][1,4]oxazines. Antiproliferative activity of the condensed heterocycles and precursors was evaluated against A2780 and WM35 cancer cell lines. For a 3-(N-chloroacetylamino)-flavan-4-ol derivative, showing structural analogy with acyclic acid ceramidase inhibitors, 0.15 μM, 3.50 μM, and 6.06 μM IC50 values were measured against A2780, WM35, and HaCat cell lines, and apoptotic mechanism was confirmed. Low micromolar IC50 values down to 2.14 μM were identified for the thiazole- and pyrrole-condensed 2H-chromene derivatives. Enantiomers of the condensed heterocycles were separated by HPLC using chiral stationary phase, HPLC-ECD spectra were recorded and TDDFT-ECD calculations were performed to determine the absolute configuration and solution conformation. Characteristic ECD transitions of the separated enantiomers were correlated with the absolute configuration and effect of substitution pattern on the HPLC elution order was determined.
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10
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Abstract
The Pd-mediated cross-coupling of (hetero)arenes with alkenes may be an effective method for the formation of a C–C bond from two C–H bonds. Discovered by Fujiwara and co-workers in 1967, this reaction led to a number of reports that we firstly highlighted in 2011 (review with references till June 2010) and for which, we retained the name “dehydrogenative Heck reaction”. The topic, especially the reactions of five-membered heteroarenes, has been the subject of intensive research over the last ten years. The present review is limited to these dehydrogenative Heck reactions published since 2010, underlining the progress of the procedures.
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11
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Yamada S, Kaneda T, Steib P, Murakami K, Itami K. Dehydrogenative Synthesis of 2,2′‐Bipyridyls through Regioselective Pyridine Dimerization. Angew Chem Int Ed Engl 2019; 58:8341-8345. [DOI: 10.1002/anie.201814701] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 03/02/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Shuya Yamada
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Takeshi Kaneda
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Philip Steib
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Kei Murakami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Kenichiro Itami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
- JST-ERATOItami Molecular Nanocarbon ProjectNagoya University Chikusa Nagoya 464-8602 Japan
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12
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Patel UN, Jagtap RA, Punji B. Scope and Mechanistic Aspect of Nickel-Catalyzed Alkenylation of Benzothiazoles and Related Azoles with Styryl Bromides. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00060] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Yamada S, Kaneda T, Steib P, Murakami K, Itami K. Dehydrogenative Synthesis of 2,2′‐Bipyridyls through Regioselective Pyridine Dimerization. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shuya Yamada
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Takeshi Kaneda
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Philip Steib
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Kei Murakami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
| | - Kenichiro Itami
- Institute of Transformative Bio-Molecules (WPI-ITbM) and Graduate School of ScienceNagoya University Chikusa Nagoya 464-8602 Japan
- JST-ERATOItami Molecular Nanocarbon ProjectNagoya University Chikusa Nagoya 464-8602 Japan
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14
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Koubachi J, El Brahmi N, Guillaumet G, El Kazzouli S. Oxidative Alkenylation of Fused Bicyclic Heterocycles. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900199] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Jamal Koubachi
- Faculté Polydisciplinaire de Taroudant; Laboratoire de Chimie Appliquée et Environnement (LACAPE); Université Ibn Zohr d′Agadir; B.P 271 83000 Taroudant Morocco
| | - Nabil El Brahmi
- Euromed Research Center; Euromed Faculty of Engineering; Euromed University of Fes; Route de Meknes 30000 Fès Morocco
| | - Gérald Guillaumet
- Institut de Chimie Organique et Analytique (ICOA); Université d'Orléans, UMR CNRS 7311; BP 6759 45067 Orléans Cedex 2 France
| | - Saïd El Kazzouli
- Euromed Research Center; Euromed Faculty of Engineering; Euromed University of Fes; Route de Meknes 30000 Fès Morocco
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15
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Zheng J, Hosseini-Eshbala F, Dong YX, Breit B. Palladium-catalyzed trisallylation of benzoxazoles and 2-aryl-1,3,4-oxadiazoles with alkyne. Chem Commun (Camb) 2019; 55:624-627. [DOI: 10.1039/c8cc09165j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this report, a palladium catalyzed direct trisallylation of azoles with alkyne via a novel subsequent mono C(sp2)–H allylation/olefin isomerization/y-selective double C(sp3)–H allylation process was developed. A wide range of substituted trisallylated azoles bearing all quaternary carbon centers has been synthesized efficiently and with high atom economy.
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Affiliation(s)
- Jun Zheng
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Fereshteh Hosseini-Eshbala
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Ya-Xi Dong
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Bernhard Breit
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
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16
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Room-temperature palladium-catalyzed direct 2-alkenylation of azole derivatives with alkenyl bromides. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.11.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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17
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Guo Z, Li M, Mou XQ, He G, Xue XS, Chen G. Radical C–H Arylation of Oxazoles with Aryl Iodides: dppf as an Electron-Transfer Mediator for Cs2CO3. Org Lett 2018; 20:1684-1687. [DOI: 10.1021/acs.orglett.8b00530] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Zhengwei Guo
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Man Li
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xue-Qing Mou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gang He
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
| | - Xiao-Song Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Gong Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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18
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Zhao H, Xu J, Chen C, Xu X, Pan Y, Zhang Z, Li H, Xu L. Rhodium(III)-Catalyzed Selective Direct Olefination of Imidazoles. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701515] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Haoqiang Zhao
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Jianbin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Changjun Chen
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Xin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Yixiao Pan
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Zongyao Zhang
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Huanrong Li
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Lijin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
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19
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Kim H, Hwang YJ, Han I, Joo JM. Regioselective C–H alkenylation of imidazoles and its application to the synthesis of unsymmetrically substituted benzimidazoles. Chem Commun (Camb) 2018; 54:6879-6882. [DOI: 10.1039/c8cc02405g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A palladium-catalyzed C5-selective alkenylation of imidazoles has been developed and applied to the synthesis of alkenyl imidazoles and multi-substituted benzimidazoles.
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Affiliation(s)
- Hyeongwoo Kim
- Department of Chemistry and Chemistry Institute of Functional Materials
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Ye Ji Hwang
- Department of Chemistry and Chemistry Institute of Functional Materials
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Inhyuk Han
- Department of Chemistry and Chemistry Institute of Functional Materials
- Pusan National University
- Busan 46241
- Republic of Korea
| | - Jung Min Joo
- Department of Chemistry and Chemistry Institute of Functional Materials
- Pusan National University
- Busan 46241
- Republic of Korea
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20
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Affiliation(s)
- Qiang-Qiang Li
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Zaher Shah
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
| | - Jian-Ping Qu
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 211816, China
| | - Yan-Biao Kang
- Department
of Chemistry, University of Science and Technology of China, Hefei, Anhui 230026, China
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21
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Zhang Z, Zheng Y, Sun Z, Dai Z, Tang Z, Ma J, Ma C. Direct Olefination of Fluorinated Quinoxalines via
Cross- Dehydrogenative Coupling Reactions: A New Near-Infrared Probe for Mitochondria. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700237] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zeyuan Zhang
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
| | - Yiwen Zheng
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry & University of Chinese Academy of Sciences; Chinese Academy of Sciences; Beijing 100190 People's Republic of China
| | - Zuobang Sun
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
| | - Zhen Dai
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
| | - Ziqiang Tang
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
| | - Jiangshan Ma
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
| | - Chen Ma
- School of Chemistry and Chemical Engineering; Shandong University; Jinan 250100 People's Republic of China
- State Key Laboratory of Natural and Biomimetic Drugs; Peking University; Beijing 100191 People's Republic of China
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22
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Li D, Wu XX, Gao T, Li B, Chen S. CuCl-Catalyzed direct C–H alkenylation of benzoxazoles with allyl halides. Org Biomol Chem 2017; 15:7282-7285. [DOI: 10.1039/c7ob01838j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient and concise CuCl-catalyzed C2-alkenylation reaction of benzoxazoles with allyl halides has been established.
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Affiliation(s)
- Die Li
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- Department of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- People's Republic of China
| | - Xin-Xing Wu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- Department of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- People's Republic of China
| | - Tingyu Gao
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- Department of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- People's Republic of China
| | - Baoguo Li
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- Department of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- People's Republic of China
| | - Shufeng Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- Department of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- People's Republic of China
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23
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Fu WC, Wu Y, So CM, Wong SM, Lei A, Kwong FY. Catalytic Direct C2-Alkenylation of Oxazoles at Parts per Million Levels of Palladium/PhMezole-Phos Complex. Org Lett 2016; 18:5300-5303. [DOI: 10.1021/acs.orglett.6b02619] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wai Chung Fu
- State
Key Laboratory of Chirosciences and Department of Applied Biology
and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon 852, Hong Kong
| | - Yong Wu
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei, P.R. China
| | - Chau Ming So
- State
Key Laboratory of Chirosciences and Department of Applied Biology
and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon 852, Hong Kong
| | - Shun Man Wong
- State
Key Laboratory of Chirosciences and Department of Applied Biology
and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon 852, Hong Kong
| | - Aiwen Lei
- College
of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei, P.R. China
| | - Fuk Yee Kwong
- State
Key Laboratory of Chirosciences and Department of Applied Biology
and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon 852, Hong Kong
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24
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Jumde RP, Lanza F, Veenstra MJ, Harutyunyan SR. Catalytic asymmetric addition of Grignard reagents to alkenyl-substituted aromatic
N
-heterocycles. Science 2016; 352:433-7. [DOI: 10.1126/science.aaf1983] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Accepted: 03/22/2016] [Indexed: 12/14/2022]
Affiliation(s)
| | - Francesco Lanza
- Stratingh Institute for Chemistry, 9747 AG Groningen, Netherlands
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25
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Xue X, Xu J, Zhang L, Xu C, Pan Y, Xu L, Li H, Zhang W. Rhodium(III)-Catalyzed Direct CH Olefination of Arenes with Aliphatic Olefins. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500697] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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26
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Liu C, Yuan J, Gao M, Tang S, Li W, Shi R, Lei A. Oxidative Coupling between Two Hydrocarbons: An Update of Recent C–H Functionalizations. Chem Rev 2015; 115:12138-204. [DOI: 10.1021/cr500431s] [Citation(s) in RCA: 836] [Impact Index Per Article: 92.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Chao Liu
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Jiwen Yuan
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Meng Gao
- National
Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, People’s Republic of China
| | - Shan Tang
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Wu Li
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Renyi Shi
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
| | - Aiwen Lei
- College
of Chemistry and Molecular Sciences, Institute for Advanced Studies
(IAS), Wuhan University, Wuhan 430072, People’s Republic of China
- National
Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang, Jiangxi 330022, People’s Republic of China
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27
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Huang Q, Zhang X, Qiu L, Wu J, Xiao H, Zhang X, Lin S. Palladium-Catalyzed Olefination and Arylation of Polyfluoroarenes Using Molecular Oxygen as the Sole Oxidant. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500632] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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28
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Škoch K, Císařová I, Štěpnička P. Synthesis and Catalytic Use of Gold(I) Complexes Containing a Hemilabile Phosphanylferrocene Nitrile Donor. Chemistry 2015; 21:15998-6004. [DOI: 10.1002/chem.201502968] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Karel Škoch
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 12840 Prague (Czech Republic)
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 12840 Prague (Czech Republic)
| | - Petr Štěpnička
- Department of Inorganic Chemistry, Faculty of Science, Charles University in Prague, Hlavova 2030, 12840 Prague (Czech Republic)
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29
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Lei Y, Qiu R, Zhang L, Xu C, Pan Y, Qin X, Li H, Xu L, Deng Y. Palladium-Catalyzed Direct Arylation of Allylamines with Simple Arenes. ChemCatChem 2015. [DOI: 10.1002/cctc.201403019] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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30
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Roscales S, Csákÿ AG. Transition-Metal-Free Direct anti-Carboboration of Alkynes with Boronic Acids To Produce Alkenylheteroarenes. Org Lett 2015; 17:1605-8. [PMID: 25738233 DOI: 10.1021/acs.orglett.5b00517] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Silvia Roscales
- Instituto Pluridisciplinar,
Universidad Complutense de Madrid, Campus de Excelencia Internactional Moncloa, Paseo de Juan XXIII, 1, 28040 Madrid, Spain
| | - Aurelio G. Csákÿ
- Instituto Pluridisciplinar,
Universidad Complutense de Madrid, Campus de Excelencia Internactional Moncloa, Paseo de Juan XXIII, 1, 28040 Madrid, Spain
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31
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Song XR, Qiu YF, Song B, Hao XH, Han YP, Gao P, Liu XY, Liang YM. BF3·Et2O-Promoted Cleavage of the Csp–Csp2 Bond of 2-Propynolphenols/Anilines: Route to C2-Alkenylated Benzoxazoles and Benzimidazoles. J Org Chem 2015; 80:2263-71. [DOI: 10.1021/jo502761x] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Xian-Rong Song
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Yi-Feng Qiu
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Bo Song
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xin-Hua Hao
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Ya-Ping Han
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Pin Gao
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Xue-Yuan Liu
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
| | - Yong-Min Liang
- State Key Laboratory
of Applied Organic
Chemistry, Lanzhou University, Lanzhou 730000, P.R. China
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32
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Kim CE, Son JY, Shin S, Seo B, Lee PH. Alkenylation of Phosphacoumarins via Aerobic Oxidative Heck Reactions and Their Synthetic Application to Fluorescent Benzophosphacoumarins. Org Lett 2015; 17:908-11. [DOI: 10.1021/acs.orglett.5b00020] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cheol-Eui Kim
- National
Creative Research
Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Jeong-Yu Son
- National
Creative Research
Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Seohyun Shin
- National
Creative Research
Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Boram Seo
- National
Creative Research
Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
| | - Phil Ho Lee
- National
Creative Research
Initiative Center for Catalytic Organic Reactions, Department of Chemistry, Kangwon National University, Chuncheon 200-701, Republic of Korea
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33
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Zhang X, Lin Y, Zhang J, Cao S. Base-mediated direct fluoroalkenylation of 2-phenyl-1,3,4-oxadiazole, benzothiazole and benzoxazole with gem-difluoroalkenes. RSC Adv 2015. [DOI: 10.1039/c4ra13761b] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Direct α-fluorovinylation of 2-phenyl-1,3,4-oxadiazole, benzothiazole and benzoxazole with gem-difluoroalkenes under the assistance of KHMDS or NaH at room temperature was developed.
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Affiliation(s)
- Xuxue Zhang
- Shanghai Key Laboratory of Chemical Biology
- School of Pharmacy
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- China
| | - Yingyin Lin
- Shanghai Key Laboratory of Chemical Biology
- School of Pharmacy
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- China
| | - Juan Zhang
- Shanghai Key Laboratory of Chemical Biology
- School of Pharmacy
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- China
| | - Song Cao
- Shanghai Key Laboratory of Chemical Biology
- School of Pharmacy
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- China
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34
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Lv J, Liang Y, He P, Cai Z, Liu J, Huang F. Palladium-catalyzed direct alkenylation of 2-methyl-4H-pyrido[1,2-a]pyrimidin-4-ones using oxygen as the oxidant. RSC Adv 2015. [DOI: 10.1039/c5ra02932e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A direct C-3 alkenylation of 2-methyl-4H-pyrido[1,2-a]pyrimidin-4-ones through palladium-catalyzed C–H activation using oxygen as the terminal oxidant has been developed.
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Affiliation(s)
- Junliang Lv
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
| | - Ying Liang
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
| | - Peiling He
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
| | - Zhihao Cai
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
| | - Jianwen Liu
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
| | - Fengxi Huang
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Guangzhou 510006
- P.R. of China
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35
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Wimmer L, Schönbauer D, Pakfeifer P, Schöffmann A, Khom S, Hering S, Mihovilovic MD. Developing piperine towards TRPV1 and GABAA receptor ligands – synthesis of piperine analogs via Heck-coupling of conjugated dienes. Org Biomol Chem 2015; 13:990-4. [DOI: 10.1039/c4ob02242d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Synthetic analogs of piperine, the pungent alkaloid of black pepper, were identified as selective ligands for either GABAA or TRPV1 receptors.
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Affiliation(s)
- Laurin Wimmer
- Institute of Applied Synthetic Chemistry
- Vienna University of Technology
- 1060 Vienna
- Austria
| | - David Schönbauer
- Institute of Applied Synthetic Chemistry
- Vienna University of Technology
- 1060 Vienna
- Austria
| | - Peter Pakfeifer
- Department of Pharmacology and Toxicology
- University of Vienna
- 1090 Vienna
- Austria
| | - Angela Schöffmann
- Department of Pharmacology and Toxicology
- University of Vienna
- 1090 Vienna
- Austria
| | - Sophia Khom
- Department of Pharmacology and Toxicology
- University of Vienna
- 1090 Vienna
- Austria
| | - Steffen Hering
- Department of Pharmacology and Toxicology
- University of Vienna
- 1090 Vienna
- Austria
| | - Marko D. Mihovilovic
- Institute of Applied Synthetic Chemistry
- Vienna University of Technology
- 1060 Vienna
- Austria
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36
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Tang J, Cong M, Xia Y, Quéléver G, Fan Y, Qu F, Peng L. Pd-catalyzed oxidative C–H alkenylation for synthesizing arylvinyltriazole nucleosides. Org Biomol Chem 2015; 13:110-4. [DOI: 10.1039/c4ob01836b] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pd-catalyzed oxidative C–H alkenylation: an effective method for synthesizing arylvinyltriazole nucleosides in good yields and with large functional group tolerance.
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Affiliation(s)
- Jingjie Tang
- Aix-Marseille Université
- CNRS
- CINaM UMR 7325
- Marseille
- France
| | - Mei Cong
- Aix-Marseille Université
- CNRS
- CINaM UMR 7325
- Marseille
- France
| | - Yi Xia
- Aix-Marseille Université
- CNRS
- CINaM UMR 7325
- Marseille
- France
| | | | - Yuting Fan
- Aix-Marseille Université
- CNRS
- CINaM UMR 7325
- Marseille
- France
| | - Fanqi Qu
- College of Chemistry and Molecular Sciences
- Wuhan University
- Wuhan
- P. R. China
| | - Ling Peng
- Aix-Marseille Université
- CNRS
- CINaM UMR 7325
- Marseille
- France
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37
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Affiliation(s)
- Nicolas Gigant
- Department of Organic Chemistry,
Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Jan-E. Bäckvall
- Department of Organic Chemistry,
Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
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