1
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Yue X, Zhou Y, Zhang Y, Meng T, Zhao Y, Guo W. Synthesis of a versatile 1 H-indene-3-carboxylate scaffold enabled by visible-light promoted Wolff rearrangement of 1-diazonaphthalen-2(1 H)-ones. Chem Commun (Camb) 2023; 59:6363-6366. [PMID: 37140082 DOI: 10.1039/d3cc01093g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Herein, we have developed a sequential visible-light-promoted Wolff rearrangement of 1-diazonaphthalen-2(1H)-ones, followed by capturing the in situ generated ketene intermediates with various alcohols, producing diverse 1H-indene-3-carboxylates in moderate to good yields under mild reaction conditions. The broad substrate scope, high functional group tolerance, and robust conditions make the resulting derivative a versatile platform for the synthesis of plenty of bioactive molecules.
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Affiliation(s)
- Xin Yue
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Ying Zhou
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Yan Zhang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Tengfei Meng
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Yupei Zhao
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Wengang Guo
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
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2
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Sun Y, Pan J, Wang X, Bu X, Ma M, Xue F. Rhodium-Catalyzed Asymmetric Annulation of Unactivated Alkynes with 3-( ortho-Boronated Aryl) Conjugated Enones: Enantioselective Synthesis of 2,3-Disubstituted Indenes. J Org Chem 2023; 88:6140-6145. [PMID: 37019474 DOI: 10.1021/acs.joc.2c02957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
A rhodium-catalyzed tandem arylation/cyclization reaction of 3-(ortho-boronated aryl) conjugated enones with unactivated alkynes is reported. By using a rhodium(I)/chiral-diene complex as the catalyst, the protocol was processed smoothly to provide various 2,3-disubstituted indene compounds in high yields with excellent regioselectivities and enantioselectivities. The approach outlined herein is appealing, as simple diarylalkynes, diakylalkynes, and alkyl(aryl)alkynes are the starting materials.
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Affiliation(s)
- Yu Sun
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Jiayu Pan
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xiuqi Wang
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Xiaoli Bu
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Mengtao Ma
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
| | - Fei Xue
- Institute of Material Physics & Chemistry, College of Science, Nanjing Forestry University, Nanjing 210037, P. R. China
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3
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Miyairi A, Oonishi Y, Sato Y. One-pot synthesis of tetrasubstituted 2-aminofurans via Au(I)-catalyzed cascade reaction of ynamides with propargylic alcohols. Org Biomol Chem 2021; 19:9396-9400. [PMID: 34704997 DOI: 10.1039/d1ob01910d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
One-pot synthesis of fully substituted 2-aminofurans via a Au(I)-catalyzed cascade reaction of ynamides and propargylic alcohol was realized. Hydroalkoxylation of ynamide with propargylic alcohol, Saucy-Marbet rearrangement, and cyclization of the resultant 3,4-dienamide sequentially proceeds in a one-pot reaction under highly mild conditions to give fully substituted 2-aminofurans.
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Affiliation(s)
- Asaki Miyairi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yoshihiro Oonishi
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
| | - Yoshihiro Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan.
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4
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Sayantika Bhakta M, Ghosh T. Gold‐Catalyzed Carboxylative Cyclization Reactions: Recent Advances. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000694] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Ms. Sayantika Bhakta
- Department of Applied Sciences MaulanaAbulKalam Azad University of Technology, West Bengal Simhat, Haringhata- 741249 Nadia, West Bengal India
| | - Tapas Ghosh
- Department of Applied Sciences MaulanaAbulKalam Azad University of Technology, West Bengal Simhat, Haringhata- 741249 Nadia, West Bengal India
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5
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Lynch CC, Sripada A, Wolf C. Asymmetric synthesis with ynamides: unique reaction control, chemical diversity and applications. Chem Soc Rev 2020; 49:8543-8583. [PMID: 33073285 PMCID: PMC8383824 DOI: 10.1039/d0cs00769b] [Citation(s) in RCA: 106] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Ynamides are among the most powerful building blocks in organic synthesis and have become invaluable starting materials for the construction of multifunctional compounds and challenging architectures that would be difficult to prepare otherwise. The rapidly growing popularity originates from the unique reactivity and ease of manipulation of the polarized ynamide triple bond, the advance of practical methods for making them, and the simplicity of storage and handling. These attractive features and the demonstration of numerous synthetic applications have spurred the development of intriguing asymmetric reaction strategies during the last decade. An impressive variety of chemo-, regio- and stereoselective carbon-carbon and carbon-heteroatom bond forming reactions with ynamides have been developed and now significantly enrich the toolbox of synthetic chemists. This review provides a comprehensive overview of asymmetric ynamide chemistry since 2010 with a focus on the general scope, current limitations, stereochemical reaction control and mechanistic aspects.
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Affiliation(s)
- Ciarán C Lynch
- Department of Chemistry, Georgetown University, 37th and O Streets, Washington, DC 20057, USA.
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6
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Santhi J, Baire B. One‐pot, Direct Synthesis of 3‐Hydroxy‐3‐aryl‐1‐indanones and their 2‐Benzylidene Derivatives from 2‐Alkynylbenzophenones. ChemistrySelect 2020. [DOI: 10.1002/slct.202001104] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jampani Santhi
- Department of Chemistry Indian Institute of Technology Madras Chennai Tamil Nadu 600036 India
| | - Beeraiah Baire
- Department of Chemistry Indian Institute of Technology Madras Chennai Tamil Nadu 600036 India
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7
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Zhang T, Luan YX, Zheng SJ, Peng Q, Ye M. Chiral Aluminum Complex Controls Enantioselective Nickel-Catalyzed Synthesis of Indenes: C-CN Bond Activation. Angew Chem Int Ed Engl 2020; 59:7439-7443. [PMID: 32067290 DOI: 10.1002/anie.202001142] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Indexed: 01/18/2023]
Abstract
A chiral aluminum complex controlled, enantioselective nickel-catalyzed domino reaction of aryl nitriles and alkynes proceeding by C-CN bond activation was developed. The reaction provides various indenes, bearing chiral all-carbon quaternary centers, under mild reaction conditions in yields of 32 to 91 % and ee values within the 73-98 % range. The reaction mechanism and aspects of stereocontrol were investigated by DFT calculations.
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Affiliation(s)
- Tao Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yu-Xin Luan
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Su-Juan Zheng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Qian Peng
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
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8
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Zhang T, Luan Y, Zheng S, Peng Q, Ye M. Chiral Aluminum Complex Controls Enantioselective Nickel‐Catalyzed Synthesis of Indenes: C−CN Bond Activation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001142] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Tao Zhang
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Yu‐Xin Luan
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Su‐Juan Zheng
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Qian Peng
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Mengchun Ye
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
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9
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Ogawa N, Yamaoka Y, Takikawa H, Takasu K. Synthesis of Polycyclic Spirocarbocycles via Acid-Promoted Ring-Contraction/Dearomative Ring-Closure Cascade of Oxapropellanes. Org Lett 2019; 21:7563-7567. [PMID: 31497972 DOI: 10.1021/acs.orglett.9b02835] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We report herein the development of an acid-promoted rearrangement of oxa[4.3.2]propellanes to afford polyaromatic-fused spiro[4.5]carbocycles. DFT calculations suggest that the reaction pathway involves generation of a cyclobutyl cation, ring contraction to the cyclopropylcarbinyl cation, and dearomative ring closure by an internal 2-naphthol moiety. The resulting spirocarbocycles are synthetically valuable, as they could be transformed into two different polycyclic aromatic hydrocarbons via skeletal rearrangement. Syntheses of optically pure spirocarbocycles via a central-to-axial-to-central chirality transfer are also described.
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Affiliation(s)
- Naoki Ogawa
- Graduate School of Pharmaceutical Sciences , Kyoto University , Yoshida, Sakyo-ku, Kyoto 606-8501 , Japan
| | - Yousuke Yamaoka
- Graduate School of Pharmaceutical Sciences , Kyoto University , Yoshida, Sakyo-ku, Kyoto 606-8501 , Japan
| | - Hiroshi Takikawa
- Graduate School of Pharmaceutical Sciences , Kyoto University , Yoshida, Sakyo-ku, Kyoto 606-8501 , Japan
| | - Kiyosei Takasu
- Graduate School of Pharmaceutical Sciences , Kyoto University , Yoshida, Sakyo-ku, Kyoto 606-8501 , Japan
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10
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Mahesh SK, Nanubolu JB, Sudhakar G. Tandem Addition/Electrocyclization/Benzylation of Alkyl Aryl-1,3-dienes and Aromatic Aldehydes: Access to Highly Substituted Indenes. J Org Chem 2019; 84:7815-7828. [DOI: 10.1021/acs.joc.9b00679] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Li L, Zhu XQ, Zhang YQ, Bu HZ, Yuan P, Chen J, Su J, Deng X, Ye LW. Metal-free alkene carbooxygenation following tandem intramolecular alkoxylation/Claisen rearrangement: stereocontrolled access to bridged [4.2.1] lactones. Chem Sci 2019; 10:3123-3129. [PMID: 30996895 PMCID: PMC6429610 DOI: 10.1039/c9sc00079h] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2019] [Accepted: 01/23/2019] [Indexed: 12/14/2022] Open
Abstract
Alkene carbooxygenation has attracted considerable attention over the past few decades as this approach provides an efficient access to various oxygen-containing molecules, especially the valuable O-heterocycles. However, examples of catalytic alkene carbooxygenation via a direct C-O cleavage are quite scarce, and the C-O cleavage in these cases is invariably initiated by transition metal-catalyzed oxidative addition. We report here a novel Brønsted acid-catalyzed intramolecular alkoxylation-initiated tandem sequence, which represents the first metal-free intramolecular alkoxylation/Claisen rearrangement. Significantly, an unprecedented Brønsted acid-catalyzed intramolecular alkene insertion into the C-O bond via a carbocation pathway was discovered. This method allows the stereocontrolled synthesis of valuable indole-fused bridged [4.2.1] lactones, providing ready access to biologically relevant scaffolds in a single synthetic step from an acyclic precursor. Moreover, such an asymmetric cascade cyclization has also been realized by employing a traceless chiral directing group. Control experiments favor the feasibility of a carbocation pathway for the process. In addition, biological tests showed that some of these newly synthesized indole-fused lactones exhibited their bioactivity as antitumor agents against different breast cancer cells, melanoma cells, and esophageal cancer cells.
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Affiliation(s)
- Long Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
| | - Xin-Qi Zhu
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
| | - Ying-Qi Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
| | - Hao-Zhen Bu
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
| | - Peng Yuan
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
| | - Jinyu Chen
- State Key Laboratory of Cellular Stress Biology , School of Life Sciences , Xiamen University , Xiamen , Fujian 361102 , China
| | - Jingyi Su
- State Key Laboratory of Cellular Stress Biology , School of Life Sciences , Xiamen University , Xiamen , Fujian 361102 , China
| | - Xianming Deng
- State Key Laboratory of Cellular Stress Biology , School of Life Sciences , Xiamen University , Xiamen , Fujian 361102 , China
| | - Long-Wu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces , Key Laboratory for Chemical Biology of Fujian Province , College of Chemistry and Chemical Engineering , Xiamen University , Xiamen 361005 , China .
- State Key Laboratory of Organometallic Chemistry , Shanghai Institute of Organic Chemistry , Chinese Academy of Sciences , Shanghai 200032 , China
- State Key Laboratory of Elemento-Organic Chemistry , Nankai University , Tianjin 300071 , China
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12
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Liu C, Xu J, Ding L, Zhang H, Xue Y, Yang F. Au-Catalyzed tandem intermolecular hydroalkoxylation/Claisen rearrangement between allylic alcohols and chloroalkynes. Org Biomol Chem 2019; 17:4435-4439. [DOI: 10.1039/c9ob00151d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
An efficient protocol for the synthesis of γ,δ-unsaturated α-chloroketones has been developed via Au-catalyzed tandem intermolecular hydroalkoxylation/Claisen rearrangement.
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Affiliation(s)
- Congrong Liu
- School of Environment Engineering
- Nanjing Institute of Technology
- Nanjing
- China
| | - Jin Xu
- Key Laboratory of Watershed Geographic Sciences
- Nanjing Institute of Geography and Limnology
- Chinese Academy of Sciences
- Nanjing
- China
| | - Lianghui Ding
- School of Environment Engineering
- Nanjing Institute of Technology
- Nanjing
- China
| | - Haiyun Zhang
- School of Environment Engineering
- Nanjing Institute of Technology
- Nanjing
- China
| | - Yunbo Xue
- School of Environment Engineering
- Nanjing Institute of Technology
- Nanjing
- China
| | - Fulai Yang
- Department of Organic Chemistry
- China Pharmaceutical University
- Nanjing
- P. R. China
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13
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Tang HJ, Zhang YF, Jiang YW, Feng C. F– Nucleophilic-Addition-Induced [3 + 2] Annulation: Direct Access to CF3-Substituted Indenes. Org Lett 2018; 20:5190-5193. [DOI: 10.1021/acs.orglett.8b02128] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hai-Jun Tang
- Institute of Advanced Synthesis (IAS), College of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Yu-Feng Zhang
- Institute of Advanced Synthesis (IAS), College of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Yi-Wen Jiang
- Institute of Advanced Synthesis (IAS), College of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
| | - Chao Feng
- Institute of Advanced Synthesis (IAS), College of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University, 30 South Puzhu Road, Nanjing 211816, People’s Republic of China
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14
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Zhang J, Wu HH, Zhang J. Enantioselective Phosphine-Catalyzed Allylic Alkylations of mix-Indene with MBH Carbonates. Org Lett 2017; 19:6080-6083. [PMID: 29077416 DOI: 10.1021/acs.orglett.7b02895] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The first enantioenriched synthesis of 1,1,3-trisubstituted (trifluoromethyl)indene derivatives, bearing a quaternary stereogenic carbon center, is reported using a simple chiral sulfinamide phosphine-catalyzed asymmetric allylic alkylation of a mixture of indenes with Morita-Baylis-Hillman carbonates. The resulting derivatives can serve as a valuable synthetic building block for some drugs and natural products. Broad substrate scope and high regio- and enantioselectivity of this reaction were particularly remarkable.
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Affiliation(s)
- Junyou Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 3663 N. Zhongshan Road, Shanghai 200062, P. R. China
| | - Hai-Hong Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 3663 N. Zhongshan Road, Shanghai 200062, P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University , 3663 N. Zhongshan Road, Shanghai 200062, P. R. China
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15
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Wang X, Xiong W, Huang Y, Zhu J, Hu Q, Wu W, Jiang H. Palladium-Catalyzed Synthesis of 1H-Indenes and Phthalimides via Isocyanide Insertion. Org Lett 2017; 19:5818-5821. [DOI: 10.1021/acs.orglett.7b02771] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Xu Wang
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wenfang Xiong
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yubing Huang
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Jiayi Zhu
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Qiong Hu
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
| | - Wanqing Wu
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
- State
Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou 510640, China
| | - Huanfeng Jiang
- Key
Laboratory of Functional Molecular Engineering of Guangdong Province,
School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China
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16
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Synthesis of spiroindenyl-2-oxindoles by montmorillonite K-10-catalyzed tandem Friedel-Crafts alkenylation/hydroarylation of propargylic alcohols with sterically hindered and electron-rich arenes. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.09.035] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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17
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Zhou B, Li L, Liu X, Tan TD, Liu J, Ye LW. Yttrium-Catalyzed Tandem Intermolecular Hydroalkoxylation/Claisen Rearrangement. J Org Chem 2017; 82:10149-10157. [DOI: 10.1021/acs.joc.7b01612] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Bo Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces & Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Long Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces & Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xin Liu
- State Key Laboratory of Physical Chemistry of Solid Surfaces & Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Tong-De Tan
- State Key Laboratory of Physical Chemistry of Solid Surfaces & Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jinxian Liu
- College of Chemistry & Materials Science, Longyan University, Fujian 364000, China
| | - Long-Wu Ye
- State Key Laboratory of Physical Chemistry of Solid Surfaces & Key Laboratory for Chemical Biology of Fujian Province, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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18
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Giri SS, Liu RS. Gold-Catalyzed [4+2]- and [3+3]-Annulations of Ynamides with 1-Yn-3-ols to Access Six-Membered Carbocycles and Oxacycles via
Three Distinct Cyclizations. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700784] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Sovan Sundar Giri
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
| | - Rai-Shung Liu
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
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19
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Zhang C, Lupton DW. Enantioselective N-Heterocyclic Carbene Catalyzed Synthesis of Functionalized Indenes. Org Lett 2017; 19:4456-4459. [PMID: 28812898 DOI: 10.1021/acs.orglett.7b01981] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An enantioselective NHC (N-heterocyclic carbene) catalyzed synthesis of indenes from bifunctional α,β-unsaturated acyl fluorides and TMS enol ethers has been discovered. The reaction has broad generality (31 examples) and proceeds with high levels of enantioselectivity (most >92:8 er). Mechanistically the reaction likely occurs via a Michael/β-lactonization/decarboxylation sequence. Derivatization studies and limitations are discussed.
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Affiliation(s)
- Changhe Zhang
- School of Chemistry, Monash University , Clayton 3800, Victoria, Australia
| | - David W Lupton
- School of Chemistry, Monash University , Clayton 3800, Victoria, Australia
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20
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Mouysset D, Tessonnier C, Tintaru A, Dumur F, Jean M, Vanthuyne N, Bertrand MP, Siri D, Nechab M. Chiral Fidelity in the Diastereoselective and Enantiospecific Synthesis of Indenes from Axially Chiral Benzylidene Cyclanes. Chemistry 2017; 23:8375-8379. [DOI: 10.1002/chem.201701501] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Indexed: 12/21/2022]
Affiliation(s)
| | | | | | | | - Marion Jean
- Aix Marseille Univ, Centrale Marseille, CNRS, Centrale Marseille, iSm2; Marseille France
| | - Nicolas Vanthuyne
- Aix Marseille Univ, Centrale Marseille, CNRS, Centrale Marseille, iSm2; Marseille France
| | | | - Didier Siri
- Aix Marseille Univ, CNRS, ICR; Marseille France
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21
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Giri SS, Lin LH, Jadhav PD, Liu RS. Gold-Catalyzed 1,4-Carbooxygenation of 3-En-1-ynamides with Allylic and Propargylic AlcoholsviaNon-Claisen Pathways. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sovan Sundar Giri
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
| | - Li-Hsuan Lin
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
| | | | - Rai-Shung Liu
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
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22
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Mao LL, Li YH, Yang SD. Silver-catalyzed phosphonylation of unprotected propargylic alcohols for the synthesis of allenylphosphoryl compounds. Org Chem Front 2017. [DOI: 10.1039/c6qo00767h] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
A facile and efficient method for the synthesis of a variety of allenylphosphine oxides by silver-catalyzed phosphonylation of unprotected propargylic alcohols with P(O)H compounds has been established.
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Affiliation(s)
- Liu-Liang Mao
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yong-Hong Li
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Shang-Dong Yang
- State Key Laboratory of Applied Organic Chemistry
- Lanzhou University
- Lanzhou 730000
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
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23
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Preinfalk A, Misale A, Maulide N. A Gold(I)-Catalyzed Domino Coupling of Alcohols with Allenes Enables the Synthesis of Highly Substituted Indenes. Chemistry 2016; 22:14471-4. [DOI: 10.1002/chem.201603154] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Indexed: 12/12/2022]
Affiliation(s)
- Alexander Preinfalk
- Faculty of Chemistry; Institute of Organic Chemistry; University of Vienna; Währinger Strasse 38 1090 Vienna Austria
| | - Antonio Misale
- Faculty of Chemistry; Institute of Organic Chemistry; University of Vienna; Währinger Strasse 38 1090 Vienna Austria
| | - Nuno Maulide
- Faculty of Chemistry; Institute of Organic Chemistry; University of Vienna; Währinger Strasse 38 1090 Vienna Austria
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24
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Das BG, Chirila A, Tromp M, Reek JNH, Bruin BD. Co(III)-Carbene Radical Approach to Substituted 1H-Indenes. J Am Chem Soc 2016; 138:8968-75. [PMID: 27340837 DOI: 10.1021/jacs.6b05434] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A new strategy for the catalytic synthesis of substituted 1H-indenes via metalloradical activation of o-cinnamyl N-tosyl hydrazones is presented, taking advantage of the intrinsic reactivity of a Co(III) carbene radical intermediate. The reaction uses readily available starting materials and is operationally simple, thus representing a practical method for the construction of functionalized 1H-indene derivatives. The cheap and easy to prepare low spin cobalt(II) complex [Co(II)(MeTAA)] (MeTAA = tetramethyltetraaza[14]annulene) proved to be the most active catalyst among those investigated, which demonstrates catalytic carbene radical reactivity for a nonporphyrin cobalt(II) complex, and for the first time catalytic activity of [Co(II)(MeTAA)] in general. The methodology has been successfully applied to a broad range of substrates, producing 1H-indenes in good to excellent yields. The metallo-radical catalyzed indene synthesis in this paper represents a unique example of a net (formal) intramolecular carbene insertion reaction into a vinylic C(sp(2))-H bond, made possible by a controlled radical ring-closure process of the carbene radical intermediate involved. The mechanism was investigated computationally, and the results were confirmed by a series of supporting experimental reactions. Density functional theory calculations reveal a stepwise process involving activation of the diazo compound leading to formation of a Co(III)-carbene radical, followed by radical ring-closure to produce an indanyl/benzyl radical intermediate. Subsequent indene product elimination involving a 1,2-hydrogen transfer step regenerates the catalyst. Trapping experiments using 2,2,6,6-tetra-methylpiperidine-1-oxyl (TEMPO) radical or dibenzoylperoxide (DBPO) confirm the involvement of cobalt(III) carbene radical intermediates. Electron paramagnetic resonance spectroscopic spin-trapping experiments using phenyl N-tert-butylnitrone (PBN) reveal the radical nature of the reaction.
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Affiliation(s)
- Braja Gopal Das
- Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat) Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Andrei Chirila
- Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat) Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Moniek Tromp
- Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat) Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Joost N H Reek
- Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat) Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Bas de Bruin
- Homogeneous, Supramolecular and Bio-Inspired Catalysis (HomKat) Group, Van 't Hoff Institute for Molecular Sciences (HIMS), University of Amsterdam , Science Park 904, 1098 XH Amsterdam, The Netherlands
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25
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Gabriele B, Mancuso R, Veltri L. Recent Advances in the Synthesis of Indanes and Indenes. Chemistry 2016; 22:5056-94. [DOI: 10.1002/chem.201503933] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Indexed: 11/12/2022]
Affiliation(s)
- Bartolo Gabriele
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC); Department of Chemistry and Chemical Technologies; University of Calabria; Via Pietro Bucci, 12/C 87036 Arcavacata di Rende (CS) Italy
| | - Raffaella Mancuso
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC); Department of Chemistry and Chemical Technologies; University of Calabria; Via Pietro Bucci, 12/C 87036 Arcavacata di Rende (CS) Italy
| | - Lucia Veltri
- Laboratory of Industrial and Synthetic Organic Chemistry (LISOC); Department of Chemistry and Chemical Technologies; University of Calabria; Via Pietro Bucci, 12/C 87036 Arcavacata di Rende (CS) Italy
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26
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Qiu Y, Zhou J, Li J, Fu C, Guo Y, Wang H, Ma S. Asymmetric Construction of Six-Membered Rings by Cyclization of Allenes with Dinuclear Gold Catalysis. Chemistry 2015; 21:15939-43. [PMID: 26388540 DOI: 10.1002/chem.201503179] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2015] [Indexed: 11/06/2022]
Abstract
A simple and efficient method for the synthesis of 1,4-dihydroarenes by gold-catalyzed 6-endo cyclization of benzylic allenes has been developed. Furthermore, asymmetric hydroarylation of enantioenriched allenes has been realized to offer a practical and convergent approach to aromatic ring-fused six-membered cycles containing a chiral stereocenter such as 1,4-dihydronaphthalenes, 1,4-dihydrodibenzo[b,d]thiophenes, and 4,7-dihydrobenzo[b]thiophenes by applying dinuclear [(dppm)Au2 Cl2 ] [dppm=methylenebis(diphenylphosphane)] combined with AgOTf as the catalyst to ensure the high efficiency of chirality transfer. ESI-MS has been applied to characterize some of the key reactive dinuclear gold intermediates successfully.
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Affiliation(s)
- Youai Qiu
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang (P. R. China)
| | - Jing Zhou
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang (P. R. China)
| | - Junzhao Li
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang (P. R. China)
| | - Chunling Fu
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang (P. R. China)
| | - Yinlong Guo
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 200032, Shanghai (P. R. China)
| | - Haoyang Wang
- Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 200032, Shanghai (P. R. China).
| | - Shengming Ma
- Laboratory of Molecular Recognition and Synthesis, Department of Chemistry, Zhejiang University, Hangzhou 310027, Zhejiang (P. R. China). .,Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 200032, Shanghai (P. R. China).
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27
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Arif T, Borie C, Tintaru A, Naubron JV, Vanthuyne N, Bertrand MP, Nechab M. Organocopper-Triggered Cyclisation of Conjugated Diene-ynes: Diastereo- and Enantioselective Synthesis of Indenes. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500556] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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28
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Ding R, Li Y, Tao C, Cheng B, Zhai H. Stereoselective Synthesis of (2Z)-2,4-Dienamides via NBS-Mediated Allyloxyl Addition-Claisen Rearrangement-Dehydrobromination Cascade Reaction of Ynsulfonamides. Org Lett 2015; 17:3994-7. [PMID: 26270391 DOI: 10.1021/acs.orglett.5b01859] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An NBS-promoted allyloxyl addition-Claisen rearrangement-dehydrobromination cascade reaction has been developed. More than 20 substituted alkynylsulfonamides were reacted with allyl alcohols to generate (2Z)-2,4-dienamides in moderate to high yields. A mechanistic model has been proposed to account for the overall reaction sequence including the stereochemical outcome. Theoretical calculations suggested that a [3,3] sigmatropic rearrangement be the rate-limiting step.
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Affiliation(s)
- Runbo Ding
- †The State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Yun Li
- †The State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Cheng Tao
- †The State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Bin Cheng
- †The State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China
| | - Hongbin Zhai
- †The State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, China.,‡Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, China
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29
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Kong W, Fuentes N, García-Domínguez A, Merino E, Nevado C. Stereoselective Synthesis of Highly Functionalized Indanes and Dibenzocycloheptadienes through Complex Radical Cascade Reactions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201409659] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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30
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Kong W, Fuentes N, García-Domínguez A, Merino E, Nevado C. Stereoselective synthesis of highly functionalized indanes and dibenzocycloheptadienes through complex radical cascade reactions. Angew Chem Int Ed Engl 2015; 54:2487-91. [PMID: 25597296 DOI: 10.1002/anie.201409659] [Citation(s) in RCA: 139] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 11/22/2014] [Indexed: 12/23/2022]
Abstract
Two highly stereoselective radical-mediated syntheses of densely functionalized indanes and dibenzocycloheptadienes from ortho-vinyl- and ortho-vinylaryl-substituted N-(arylsulfonyl)-acrylamides, respectively, are presented here. The chemoselective addition of in situ generated radicals (X(·)) onto the styrene moieties triggers an unprecedented reaction cascade, resulting in the formation of one new C-X bond and two new C-C bonds, a formal 1,4-aryl migration, and the extrusion of SO2 to generate an amidyl radical intermediate. This intermediate, upon H abstraction, leads to the observed 5- and 7-membered ring carbocyclic products, respectively, in a highly efficient manner.
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Affiliation(s)
- Wangqing Kong
- Department of Chemistry, University of Zürich, Winterthurerstrasse 190, 8057 Zürich (Switzerland)
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