1
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Wen YH, Yang F, Li S, Yao X, Song J, Gong LZ. Diastereodivergent Desymmetric Annulation to Access Spirooxindoles: Chemical Probes for Mitosis. J Am Chem Soc 2023; 145:4199-4207. [PMID: 36780205 DOI: 10.1021/jacs.2c12648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
Spirooxindoles have emerged as promising architectures for engineering biologically active compounds. The diastereodivergent construction of unique scaffolds of this type with full control of continuous chiral centers including an all-carbon quaternary stereogenic center is yet to be developed. Here, we report an unprecedented diastereodivergent desymmetric [3 + 3] annulation of oxabicyclic alkenes with enals enabled by N-heterocyclic carbene (NHC)/Rh cooperative catalysis, leading to a series of enantiomerically enriched spirooxindole lactones with excellent enantioselectivities (up to >99% ee) and diastereoselectivities (up to >95:5 dr). The combined catalyst system comprises a rhodium complex that controls the configuration at the electrophilic carbon and an NHC catalyst that controls the configuration at the nucleophilic oxindole-containing carbon; thus, four stereoisomers of the spirooxindole products can be readily obtained simply by switching the configurations of the two chiral catalysts. Transformations of the chiral spirooxindoles delivered synthetically useful compounds. Importantly, those chiral spirooxindoles arrested mammalian cells in mitosis and exhibited potent antiproliferative activities against HeLa cells. Significantly, both absolute and relative configurations exert prominent effects on the bioactivities, underscoring great importance of catalytic asymmetric diastereodivergent synthesis beyond creating useful tools for the exploration of structure-activity relationships.
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Affiliation(s)
- Yu-Hua Wen
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Fengrui Yang
- MOE Key Laboratory for Cellular Dynamics and Hefei National Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Shuai Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Xuebiao Yao
- MOE Key Laboratory for Cellular Dynamics and Hefei National Center for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Jin Song
- Institutes of Physical Science and Information Technology, Key Laboratory of Environment-Friendly Polymeric Materials of Anhui Province, Anhui University, Hefei 230601, China
| | - Liu-Zhu Gong
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
- Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences, Hefei 230026, China
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2
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Singh S, Saini R, Singh RP. Enantioselective Distal Functionalization of 3-Cyano-4-methylcoumarins through Direct Vinylogous Conjugate Addition to Maleimides. J Org Chem 2022. [DOI: 10.1021/acs.joc.2c02142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sanjay Singh
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Ravi Saini
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
| | - Ravi P. Singh
- Department of Chemistry, Indian Institute of Technology, Delhi, Hauz Khas, New Delhi 110016, India
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3
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Nájera C, Foubelo F, Sansano JM, Yus M. Enantioselective desymmetrization reactions in asymmetric catalysis. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132629] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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4
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Brandes DS, Sirvent A, Mercado BQ, Ellman JA. Three-Component 1,2-Carboamidation of Bridged Bicyclic Alkenes via Rh III-Catalyzed Addition of C-H Bonds and Amidating Reagents. Org Lett 2021; 23:2836-2840. [PMID: 33739839 PMCID: PMC8026749 DOI: 10.1021/acs.orglett.1c00851] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A three-component method is described for the preparation of syn-1,2-disubstituted bridged bicyclic compounds. The reaction was demonstrated for readily available aromatic and heteroaromatic C-H bond substrates with tertiary and secondary amide, lactam, pyrazole, and triazole directing groups and a variety of bridged bicyclic alkenes, including norbornene, benzonorbornadiene, oxygen- and nitrogen-bridged analogs, and an unsaturated tropinone. A broad dioxazolone scope was also observed. The use of a chiral Cp-derived RhIII catalyst enables asymmetric synthesis of products.
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Affiliation(s)
- Daniel S Brandes
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Ana Sirvent
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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5
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Li J, Zheng N, Duan X, Li R, Song W. Palladium‐Catalyzed Regioselective and Diastereoselective
C
‐Glycosylation by Allyl‐Allyl Coupling. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001136] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Junhao Li
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology Dalian 116024 People's Republic of China
| | - Nan Zheng
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology Dalian 116024 People's Republic of China
| | - Xuelun Duan
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology Dalian 116024 People's Republic of China
| | - Rui Li
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology Dalian 116024 People's Republic of China
| | - Wangze Song
- State Key Laboratory of Fine Chemicals School of Chemical Engineering Dalian University of Technology Dalian 116024 People's Republic of China
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6
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Vivek Kumar S, Yen A, Lautens M, Guiry PJ. Catalytic asymmetric transformations of oxa- and azabicyclic alkenes. Chem Soc Rev 2021; 50:3013-3093. [DOI: 10.1039/d0cs00702a] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This review provides an overview of the fundamental concepts and recent developments in a wide range of enantioselective transformations involving oxa- and azabicyclic alkenes.
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Affiliation(s)
- Sundaravel Vivek Kumar
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
| | - Andy Yen
- Department of Chemistry
- The University of Manchester
- Manchester M13 9PL
- UK
| | - Mark Lautens
- Department of Chemistry
- Davenport Chemical Laboratories
- University of Toronto
- Toronto
- Canada
| | - Patrick J. Guiry
- Synthesis and Solid State Pharmaceutical Centre
- Centre for Synthesis and Chemical Biology
- School of Chemistry
- University College Dublin
- Dublin 4
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7
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Jaiswal MK, Kumar R, Singh S, Jain S, Vanka K, Singh RP. The Vinylogous Michael Addition of 3‐Alkylidene‐2‐oxindoles to β,γ‐Unsaturated α‐Keto Esters by Bifunctional Cinchona Alkaloids. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000835] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Manish K. Jaiswal
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Rajesh Kumar
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Sanjay Singh
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
| | - Shailija Jain
- Physical and Materials Chemistry Division National Chemical Laboratory Dr. Homi Bhabha Road 411008 Pune India
| | - Kumar Vanka
- Physical and Materials Chemistry Division National Chemical Laboratory Dr. Homi Bhabha Road 411008 Pune India
| | - Ravi P. Singh
- Department of Chemistry Indian Institute of Technology‐Delhi Hauz Khas 110016 New Delhi India
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8
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Curti C, Battistini L, Sartori A, Zanardi F. New Developments of the Principle of Vinylogy as Applied to π-Extended Enolate-Type Donor Systems. Chem Rev 2020; 120:2448-2612. [PMID: 32040305 PMCID: PMC7993750 DOI: 10.1021/acs.chemrev.9b00481] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Indexed: 12/19/2022]
Abstract
The principle of vinylogy states that the electronic effects of a functional group in a molecule are possibly transmitted to a distal position through interposed conjugated multiple bonds. As an emblematic case, the nucleophilic character of a π-extended enolate-type chain system may be relayed from the legitimate α-site to the vinylogous γ, ε, ..., ω remote carbon sites along the chain, provided that suitable HOMO-raising strategies are adopted to transform the unsaturated pronucleophilic precursors into the reactive polyenolate species. On the other hand, when "unnatural" carbonyl ipso-sites are activated as nucleophiles (umpolung), vinylogation extends the nucleophilic character to "unnatural" β, δ, ... remote sites. Merging the principle of vinylogy with activation modalities and concepts such as iminium ion/enamine organocatalysis, NHC-organocatalysis, cooperative organo/metal catalysis, bifunctional organocatalysis, dicyanoalkylidene activation, and organocascade reactions represents an impressive step forward for all vinylogous transformations. This review article celebrates this evolutionary progress, by collecting, comparing, and critically describing the achievements made over the nine year period 2010-2018, in the generation of vinylogous enolate-type donor substrates and their use in chemical synthesis.
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Affiliation(s)
| | | | | | - Franca Zanardi
- Dipartimento di Scienze degli
Alimenti e del Farmaco, Università
di Parma, Parco Area delle Scienze 27A, 43124 Parma, Italy
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9
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Kaur M, Van Humbeck JF. Recent trends in catalytic sp 3 C-H functionalization of heterocycles. Org Biomol Chem 2020; 18:606-617. [PMID: 31912069 DOI: 10.1039/c9ob01559k] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Heterocycles are a ubiquitous substructure in organic small molecules designed for use in materials and medicines. Recent work in catalysis has focused on enabling access to new heterocycle structures by sp3 C-H functionalization on alkyl side-chain substituents-especially at the heterobenzylic position-with more than two hundred manuscripts published just within the last ten years. Rather than describing in detail each of these reports, in this mini-review we attempt to highlight gaps in existing techniques. A semi-quantitative overview of ongoing work strongly suggests that several specific heterocycle types and bond formations outside of C-C, C-N, and C-O have been almost completely overlooked.
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Affiliation(s)
- Milanpreet Kaur
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4.
| | - Jeffrey F Van Humbeck
- Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, Alberta, Canada T2N 1N4.
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10
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Liu Q, Wang ZX, Chen XY. Highly enantioselective 1,6-addition of dienolates to coumarins and chromones through N-heterocyclic carbene catalysis. Org Chem Front 2020. [DOI: 10.1039/d0qo00963f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
An efficient protocol employing NHC-organocatalysis in asymmetric γ,δ-difunctionalization of cyanocoumarins and nitrochromones via a 1,6-addition of dienolates is established.
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Affiliation(s)
- Qiang Liu
- School of Chemical Sciences
- University of the Chinese Academy of Sciences
- Beijing
- China
| | - Zhi-Xiang Wang
- School of Chemical Sciences
- University of the Chinese Academy of Sciences
- Beijing
- China
| | - Xiang-Yu Chen
- School of Chemical Sciences
- University of the Chinese Academy of Sciences
- Beijing
- China
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11
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Investigations into the mechanism of the in situ formation of neutral dinuclear rhodium complexes. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.121002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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12
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Wang J, Zhang S, Ding W, Wang C, Chen J, Cao W, Wu X. Amide‐phosphonium Salt Catalyzed Enantioselective Vinylogous Mannich Addition of Coumarins to Isatin Imines. ChemCatChem 2019. [DOI: 10.1002/cctc.201901677] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Jing Wang
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Shuo Zhang
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Weizhong Ding
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Chenghan Wang
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Jie Chen
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Weiguo Cao
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
| | - Xiaoyu Wu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry College of SciencesShanghai University 99 Shangda Lu Shanghai 200444 P. R. China
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13
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Yen A, Pham AH, Larin EM, Lautens M. Rhodium-Catalyzed Enantioselective Synthesis of Oxazinones via an Asymmetric Ring Opening-Lactonization Cascade of Oxabicyclic Alkenes. Org Lett 2019; 21:7549-7553. [PMID: 31539925 DOI: 10.1021/acs.orglett.9b02819] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The rhodium-catalyzed asymmetric ring opening reaction of oxabicyclic alkenes is shown to be an efficient method for synthesizing chiral heterocycles. We demonstrate that the pairwise combination of chiral catalyst with chiral amino-acid-derived pronucleophiles results in a stereodivergent synthesis of diastereomeric hydroxyesters. A favorable conformational preference induces the subsequent lactonization of one diastereomer leading to the highly enantioselective synthesis of oxazinones.
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Affiliation(s)
- Andy Yen
- Davenport Research Laboratories, Department of Chemistry , University of Toronto , Toronto , Canada , M5S 3H6
| | - Anh Hoang Pham
- Davenport Research Laboratories, Department of Chemistry , University of Toronto , Toronto , Canada , M5S 3H6
| | - Egor M Larin
- Davenport Research Laboratories, Department of Chemistry , University of Toronto , Toronto , Canada , M5S 3H6
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry , University of Toronto , Toronto , Canada , M5S 3H6
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14
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Chen T, Gan L, Wang R, Deng Y, Peng F, Lautens M, Shao Z. Rhodium(I)/Zn(OTf)
2
‐Catalyzed Asymmetric Ring Opening/Cyclopropanation of Oxabenzonorbornadienes with Phosphorus Ylides. Angew Chem Int Ed Engl 2019; 58:15819-15823. [DOI: 10.1002/anie.201909596] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 08/28/2019] [Indexed: 01/21/2023]
Affiliation(s)
- Tao Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Lifei Gan
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Ran Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Yuhua Deng
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Fangzhi Peng
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Mark Lautens
- Davenport Laboratories Department of Chemistry University of Toronto 80 St. George Street Toronto ON M5S 3H6 Canada
| | - Zhihui Shao
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
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15
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Chen T, Gan L, Wang R, Deng Y, Peng F, Lautens M, Shao Z. Rhodium(I)/Zn(OTf)
2
‐Catalyzed Asymmetric Ring Opening/Cyclopropanation of Oxabenzonorbornadienes with Phosphorus Ylides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Tao Chen
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Lifei Gan
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Ran Wang
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Yuhua Deng
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Fangzhi Peng
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
| | - Mark Lautens
- Davenport Laboratories Department of Chemistry University of Toronto 80 St. George Street Toronto ON M5S 3H6 Canada
| | - Zhihui Shao
- Key Laboratory of Medicinal Chemistry for Natural Resource Ministry of Education School of Chemical Science and Technology State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan Yunnan University Kunming 650091 China
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16
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Luo Y, Gutiérrez-Bonet Á, Matsui JK, Rotella ME, Dykstra R, Gutierrez O, Molander GA. Oxa- and Azabenzonorbornadienes as Electrophilic Partners under Photoredox/Nickel Dual Catalysis. ACS Catal 2019; 9:8835-8842. [PMID: 34055458 PMCID: PMC8158860 DOI: 10.1021/acscatal.9b02458] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herein, the introduction of oxa- and azabenzonorbornadienes into photoredox/nickel dual catalysis in a regioselective and diastereoselective transformation is disclosed. The inherent advantages of this dual catalytic system allow the use of alkyl motifs forming exclusively cis-1,2-dihydro-1-naphthyl alcohol backbones using readily accessible 4-alkyl-1,4-dihydropyridines (DHPs). Whereas previous studies have emphasized the use of nucleophilic organometallic coupling partners, this protocol grants access to a rather unexplored core featuring alkyl residues, while avoiding the use of highly reactive organometallic species (i.e., M = Al, Mg, Li, Zn, Zr). DFT calculations support a oxidative addition/reductive elimination mechanism, followed by a Curtin-Hammett scenario that controls the regioselectivity of the process, unlike previously reported transformations that proceed via a carbometalation/ β-oxygen elimination mechanism.
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Affiliation(s)
- Youran Luo
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323 (USA)
- Wuyuzhang Honors College, 29, Wangjiang Road, Chengdu, Sichuan, 610064 (China)
| | - Álvaro Gutiérrez-Bonet
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323 (USA)
| | - Jennifer K. Matsui
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323 (USA)
| | - Madeline E. Rotella
- 0107 Chemistry Building, The Department of Chemistry and Biochemistry. University of Maryland. 8051 Regents Drive College Park, MD 20742 (USA)
| | - Ryan Dykstra
- 0107 Chemistry Building, The Department of Chemistry and Biochemistry. University of Maryland. 8051 Regents Drive College Park, MD 20742 (USA)
| | - Osvaldo Gutierrez
- 0107 Chemistry Building, The Department of Chemistry and Biochemistry. University of Maryland. 8051 Regents Drive College Park, MD 20742 (USA)
| | - Gary A. Molander
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323 (USA)
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17
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Activation, Deactivation and Reversibility Phenomena in Homogeneous Catalysis: A Showcase based on the Chemistry of Rhodium/Phosphine Catalysts. Catalysts 2019. [DOI: 10.3390/catal9070582] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In the present work, the rich chemistry of rhodium/phosphine complexes, which are applied as homogeneous catalysts to promote a wide range of chemical transformations, has been used to showcase how the in situ generation of precatalysts, the conversion of precatalysts into the actually active species, as well as the reaction of the catalyst itself with other components in the reaction medium (substrates, solvents, additives) can lead to a number of deactivation phenomena and thus impact the efficiency of a catalytic process. Such phenomena may go unnoticed or may be overlooked, thus preventing the full understanding of the catalytic process which is a prerequisite for its optimization. Based on recent findings both from others and the authors’ laboratory concerning the chemistry of rhodium/diphosphine complexes, some guidelines are provided for the optimal generation of the catalytic active species from a suitable rhodium precursor and the diphosphine of interest; for the choice of the best solvent to prevent aggregation of coordinatively unsaturated metal fragments and sequestration of the active metal through too strong metal–solvent interactions; for preventing catalyst poisoning due to irreversible reaction with the product of the catalytic process or impurities present in the substrate.
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18
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Bojanowski J, Albrecht A. The First Vinylogous, Decarboxylative Michael Reaction with 3‐Cyano‐4‐methylcoumarins as Pronucleophiles. ChemistrySelect 2019. [DOI: 10.1002/slct.201900579] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jan Bojanowski
- Institute of Organic ChemistryFaculty of ChemistryLodz University of Technology, Żeromskiego 116 90-924 Łódź Poland
| | - Anna Albrecht
- Institute of Organic ChemistryFaculty of ChemistryLodz University of Technology, Żeromskiego 116 90-924 Łódź Poland
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19
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Dai Y, Tian B, Chen H, Zhang Q. Palladium-Catalyzed Stereospecific C-Glycosylation of Glycals with Vinylogous Acceptors. ACS Catal 2019. [DOI: 10.1021/acscatal.9b00336] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Yuanwei Dai
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Baotong Tian
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Huan Chen
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
| | - Qiang Zhang
- Department of Chemistry, University at Albany, State University of New York, Albany, New York 12222, United States
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20
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Qiu S, Zhai S, Wang H, Chen X, Zhai H. One-pot synthesis of benzo[b]fluorenones via a cobalt-catalyzed MHP-directed [3+2] annulation/ring-opening/dehydration sequence. Chem Commun (Camb) 2019; 55:4206-4209. [DOI: 10.1039/c9cc00948e] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A cobalt-catalyzed MHP-directed [3+2] annulation of benzoyl hydrazines with oxabicyclic alkenes followed by a ring-opening/dehydration sequence is developed for the one-pot synthesis of benzo[b]fluorenones.
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Affiliation(s)
- Shuxian Qiu
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics
- Shenzhen Engineering Laboratory of Nano Drug Slow-Release
- Shenzhen Graduate School of Peking University
- Shenzhen 518055
- China
| | - Shengxian Zhai
- College of Chemistry & Environmental Engineering
- Anyang Institute of Technology
- Anyang 455000
- China
| | - Huifei Wang
- School of Materials Science and Chemical Engineering
- Ningbo University
- Ningbo 315211
- China
| | - Xiaoming Chen
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics
- Shenzhen Engineering Laboratory of Nano Drug Slow-Release
- Shenzhen Graduate School of Peking University
- Shenzhen 518055
- China
| | - Hongbin Zhai
- State Key Laboratory of Chemical Oncogenomics and Key Laboratory of Chemical Genomics
- Shenzhen Engineering Laboratory of Nano Drug Slow-Release
- Shenzhen Graduate School of Peking University
- Shenzhen 518055
- China
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21
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Wang ZH, Zhang XY, Lei CW, Zhao JQ, You Y, Yuan WC. Highly enantioselective sequential vinylogous aldol reaction/transesterification of methyl-substituted olefinic butyrolactones with isatins for the construction of chiral spirocyclic oxindole-dihydropyranones. Chem Commun (Camb) 2019; 55:9327-9330. [DOI: 10.1039/c9cc04427b] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A highly stereoselective sequential vinylogous aldol reaction/transesterification of methyl-substituted olefinic butyrolactones and isatins was developed with 10 mol% Takemoto's amine–thiourea catalyst.
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Affiliation(s)
- Zhen-Hua Wang
- Institute for Advanced Study
- Chengdu University
- Chengdu 610106
- China
| | - Xia-Yan Zhang
- National Engineering Research Center of Chiral Drugs
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Chuan-Wen Lei
- National Engineering Research Center of Chiral Drugs
- Chengdu Institute of Organic Chemistry
- Chinese Academy of Sciences
- Chengdu 610041
- China
| | - Jian-Qiang Zhao
- Institute for Advanced Study
- Chengdu University
- Chengdu 610106
- China
| | - Yong You
- Institute for Advanced Study
- Chengdu University
- Chengdu 610106
- China
| | - Wei-Cheng Yuan
- Institute for Advanced Study
- Chengdu University
- Chengdu 610106
- China
- National Engineering Research Center of Chiral Drugs
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22
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23
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Sadeer A, Ong YJ, Kojima T, Foo CQ, Li Y, Pullarkat SA, Leung PH. Desymmetrization of Achiral Heterobicyclic Alkenes through Catalytic Asymmetric Hydrophosphination. Chem Asian J 2018; 13:2829-2833. [PMID: 30022614 DOI: 10.1002/asia.201801061] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 07/17/2018] [Indexed: 12/12/2022]
Abstract
Asymmetric addition of diarylphosphines to oxa- and azabicyclic alkenes proceeded in the presence of a chiral phosphapalladacycle catalyst and a mild acid at room temperature to give exclusively the enantioenriched addition products in excellent yields and good selectivities. Three new chiral carbon centers were generated stereoselectively by the catalytic hydrophosphination reaction.
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Affiliation(s)
- Abdul Sadeer
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Yew Jin Ong
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Tadayuki Kojima
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Ce Qing Foo
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Yongxin Li
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Sumod A Pullarkat
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Pak-Hing Leung
- School of Physical and Mathematical Sciences: Division of Chemistry & Biological Chemistry, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
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24
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Yang X, Yang W, Yao Y, Deng Y, Zuo X, Yang D. Water-Promoted Ir-Catalyzed Ring-Opening of Oxa(aza)benzonorbornadienes with Fluoroalkylamines. J Org Chem 2018; 83:10097-10106. [DOI: 10.1021/acs.joc.8b01396] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xin Yang
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Wen Yang
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Yongqi Yao
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Yingying Deng
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Xiongjun Zuo
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
| | - Dingqiao Yang
- Key Laboratory of Theoretical Chemistry of Environment, Ministry of Education, School of Chemistry and Environment, South China Normal University, Guangzhou 510006, People’s Republic of China
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25
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Sarkar R, Mitra S, Mukherjee S. Iridium-catalyzed enantioselective direct vinylogous allylic alkylation of coumarins. Chem Sci 2018; 9:5767-5772. [PMID: 30079186 PMCID: PMC6050583 DOI: 10.1039/c8sc02041h] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Accepted: 06/03/2018] [Indexed: 12/27/2022] Open
Abstract
The first iridium-catalyzed enantioselective vinylogous allylic alkylation of coumarins is presented. Using easily accessible linear allylic carbonates as the allylic electrophile, this reaction installs unfunctionalized allyl groups at the γ-position of 4-methylcoumarins in an exclusively branched-selective manner generally in high yields with an excellent level of enantioselectivity (up to 99 : 1 er).
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Affiliation(s)
- Rahul Sarkar
- Department of Organic Chemistry , Indian Institute of Science , Bangalore 560 012 , India . ; ; Tel: +91-80-2293-2850
| | - Sankash Mitra
- Department of Organic Chemistry , Indian Institute of Science , Bangalore 560 012 , India . ; ; Tel: +91-80-2293-2850
| | - Santanu Mukherjee
- Department of Organic Chemistry , Indian Institute of Science , Bangalore 560 012 , India . ; ; Tel: +91-80-2293-2850
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26
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Dey A, Rathi A, Volla CMR. Cobalt(III)-Catalyzed [4+2] Annulation of Heterobicyclic Alkenes by sp
2
C−H Activation. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800251] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Arnab Dey
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Anuja Rathi
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
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27
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Li DY, Huang ZL, Liu PN. Heterobicyclic Core Retained Hydroarylations through C-H Activation: Synthesis of Epibatidine Analogues. Org Lett 2018; 20:2028-2032. [PMID: 29558151 DOI: 10.1021/acs.orglett.8b00571] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The heterobicyclic core retained hydroarylation of oxa/azabenzonorbornadienes with quinoline N-oxides has been achieved under rhodium catalysis, giving quinoline N-oxide substituted heterobicyclic structures with excellent regioselectivity and in good yields. As the first example of the direct introduction of quinoline N-oxides onto heterobicyclic structures, the strained heterobicyclic core was well retained in the reaction. The products could be successfully transformed into a series of useful compounds, including epibatidine analogues.
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Affiliation(s)
- Deng-Yuan Li
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Lab for Advanced Materials and School of Chemistry & Molecular Engineering , East China University of Science & Technology , Meilong Road 130 , Shanghai 200237 , China
| | - Zheng-Lu Huang
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Lab for Advanced Materials and School of Chemistry & Molecular Engineering , East China University of Science & Technology , Meilong Road 130 , Shanghai 200237 , China
| | - Pei-Nian Liu
- Shanghai Key Laboratory of Functional Materials Chemistry, Key Lab for Advanced Materials and School of Chemistry & Molecular Engineering , East China University of Science & Technology , Meilong Road 130 , Shanghai 200237 , China
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28
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Shi CY, Xiao JZ, Yin L. Iridium-catalyzed direct asymmetric vinylogous allylic alkylation. Chem Commun (Camb) 2018; 54:11957-11960. [DOI: 10.1039/c8cc07249c] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A catalytic asymmetric vinylogous allylic alkylation of α,β-unsaturated lactones with an iridium catalyst was achieved with excellent regio- and enantioselectivity.
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Affiliation(s)
- Chang-Yun Shi
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Jun-Zhao Xiao
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
| | - Liang Yin
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- University of Chinese Academy of Sciences
- Chinese Academy of Sciences
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29
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Bora PP, Sun GJ, Zheng WF, Kang Q. Rh/Lewis Acid Catalyzed Regio-, Diastereo- and Enantioselective Addition of 2-Acyl Imidazoles with Allenes. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201700596] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Pranjal P. Bora
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; 155 Yangqiao Road West, Fuzhou Fujian 350002 China
| | - Gui-Jun Sun
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; 155 Yangqiao Road West, Fuzhou Fujian 350002 China
| | - Wei-Feng Zheng
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; 155 Yangqiao Road West, Fuzhou Fujian 350002 China
| | - Qiang Kang
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology; Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences; 155 Yangqiao Road West, Fuzhou Fujian 350002 China
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30
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Nallagonda R, Thrimurtulu N, Volla CMR. Cobalt-Catalyzed Diastereoselective [4+2] Annulation of Phosphinamides with Heterobicyclic Alkenes at Room Temperature. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701162] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rajender Nallagonda
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai- 400076 India
| | - Neetipalli Thrimurtulu
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai- 400076 India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai- 400076 India
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31
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Kowalczyk D, Albrecht Ł. Vinylogous Nucleophiles Bearing the Endocyclic Double Bond in the Allylic Alkylation with Morita-Baylis-Hillman Carbonates. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201701185] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Dorota Kowalczyk
- Institute of Organic Chemistry, Department of Chemistry; Lodz University of Technology; Zeromskiego 116 90-924 Łódź Poland
| | - Łukasz Albrecht
- Institute of Organic Chemistry, Department of Chemistry; Lodz University of Technology; Zeromskiego 116 90-924 Łódź Poland
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32
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Kayal S, Mukherjee S. Catalytic Enantioselective Vinylogous Allylic Alkylation of Coumarins. Org Lett 2017; 19:4944-4947. [DOI: 10.1021/acs.orglett.7b02421] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Satavisha Kayal
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Santanu Mukherjee
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
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33
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Xu H, Laraia L, Schneider L, Louven K, Strohmann C, Antonchick AP, Waldmann H. Highly Enantioselective Catalytic Vinylogous Propargylation of Coumarins Yields a Class of Autophagy Inhibitors. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201706005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Hao Xu
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Luca Laraia
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Laura Schneider
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Kathrin Louven
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Anorganische Chemie; Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Carsten Strohmann
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Anorganische Chemie; Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Andrey P. Antonchick
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie and Chemische Biologie; Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
- Faculty of Science; Peoples' Friendship University of Russia; 6 Miklukho-Maklaya Street 117198 Moscow Russia
| | - Herbert Waldmann
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie and Chemische Biologie; Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
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34
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Xu H, Laraia L, Schneider L, Louven K, Strohmann C, Antonchick AP, Waldmann H. Highly Enantioselective Catalytic Vinylogous Propargylation of Coumarins Yields a Class of Autophagy Inhibitors. Angew Chem Int Ed Engl 2017; 56:11232-11236. [DOI: 10.1002/anie.201706005] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Hao Xu
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Luca Laraia
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Laura Schneider
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
| | - Kathrin Louven
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Anorganische Chemie; Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Carsten Strohmann
- Technische Universität Dortmund; Fakultät Chemie und Chemische Biologie; Anorganische Chemie; Otto-Hahn-Strasse 6 44227 Dortmund Germany
| | - Andrey P. Antonchick
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie and Chemische Biologie; Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
- Faculty of Science; Peoples' Friendship University of Russia; 6 Miklukho-Maklaya Street 117198 Moscow Russia
| | - Herbert Waldmann
- Max-Planck-Institut für Molekulare Physiologie; Abteilung Chemische Biologie; Otto-Hahn-Strasse 11 44227 Dortmund Germany
- Technische Universität Dortmund; Fakultät Chemie and Chemische Biologie; Chemische Biologie; Otto-Hahn-Strasse 4a 44227 Dortmund Germany
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35
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Yen A, Choo KL, Yazdi SK, Franke PT, Webster R, Franzoni I, Loh CCJ, Poblador-Bahamonde AI, Lautens M. Rhodium-Catalyzed Enantioselective Isomerization of meso
-Oxabenzonorbornadienes to 1,2-Naphthalene Oxides. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201700632] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Andy Yen
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Ken-Loon Choo
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Shabnam K. Yazdi
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | | | - Robert Webster
- Bayer Pharma Aktiengesellschaft; Aprather Web 18a 42113 Wuppertal Germany
| | - Ivan Franzoni
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Charles C. J. Loh
- Technische Universität Dortmund; Otto-Hahn-Straße 4a 44227 Dortmund Germany
| | | | - Mark Lautens
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
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36
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Yen A, Choo KL, Yazdi SK, Franke PT, Webster R, Franzoni I, Loh CCJ, Poblador-Bahamonde AI, Lautens M. Rhodium-Catalyzed Enantioselective Isomerization of meso
-Oxabenzonorbornadienes to 1,2-Naphthalene Oxides. Angew Chem Int Ed Engl 2017; 56:6307-6311. [DOI: 10.1002/anie.201700632] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Indexed: 12/19/2022]
Affiliation(s)
- Andy Yen
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Ken-Loon Choo
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Shabnam K. Yazdi
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | | | - Robert Webster
- Bayer Pharma Aktiengesellschaft; Aprather Web 18a 42113 Wuppertal Germany
| | - Ivan Franzoni
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Charles C. J. Loh
- Technische Universität Dortmund; Otto-Hahn-Straße 4a 44227 Dortmund Germany
| | | | - Mark Lautens
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
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37
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Loh CCJ, Schmid M, Webster R, Yen A, Yazdi SK, Franke PT, Lautens M. Rhodium-Catalyzed Asymmetric Cycloisomerization and Parallel Kinetic Resolution of Racemic Oxabicycles. Angew Chem Int Ed Engl 2016; 55:10074-8. [DOI: 10.1002/anie.201604937] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Charles C. J. Loh
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Matthias Schmid
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Robert Webster
- Bayer Pharma Aktiengesellschaft; Aprather Weg 18a 42113 Wuppertal Germany
| | - Andy Yen
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Shabnam K. Yazdi
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | | | - Mark Lautens
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
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38
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Loh CCJ, Schmid M, Webster R, Yen A, Yazdi SK, Franke PT, Lautens M. Rhodium-Catalyzed Asymmetric Cycloisomerization and Parallel Kinetic Resolution of Racemic Oxabicycles. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201604937] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Charles C. J. Loh
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Matthias Schmid
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Robert Webster
- Bayer Pharma Aktiengesellschaft; Aprather Weg 18a 42113 Wuppertal Germany
| | - Andy Yen
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | - Shabnam K. Yazdi
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
| | | | - Mark Lautens
- Department of Chemistry; Davenport Chemical Laboratories; University of Toronto; 80 St. George Street Toronto Ontario M5S 3H6 Canada
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