1
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Zhao Y, Niu X, Yang H, Yang J, Wang Z, Wang Q. Substrate-directed divergent synthesis of fused indole polycycles through Rh(II)-catalyzed cascade reactions of bis(diazo)indolin-2-ones. Chem Commun (Camb) 2022; 58:8576-8579. [PMID: 35815947 DOI: 10.1039/d2cc02686d] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we report a substrate-directed diverse synthetic strategy toward two kinds of structurally intriguing fused indole polycycles through Rh(II)-catalyzed cascade reactions of bis(diazo)indolin-2-ones with enaminones. The subtle structural changes in enaminones lead to different reactivities. Cyclic enaminones produce indolo[2,3-b]indoles, whereas acyclic ones afford oxazolo[3,2-a]indoles.
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Affiliation(s)
- Yang Zhao
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Xinyue Niu
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Hong Yang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Jing Yang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
| | - Zhizeng Wang
- Joint National Laboratory for Antibody Drug Engineering, Clinical Laboratory of the First Affiliated Hospital, School of Medicine, Henan University, Kaifeng, 475004, China.
| | - Qilin Wang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China.
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2
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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3
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Lauro FV, Francisco DC, Marcela RN, Maria LR, Alejandra GEE, Virginia MA, Yazmin OA. Effective synthesis of a hexacyclic-steroid derivative from 4-hydroxyestrone. Steroids 2020; 163:108715. [PMID: 32853676 DOI: 10.1016/j.steroids.2020.108715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 08/08/2020] [Accepted: 08/17/2020] [Indexed: 11/22/2022]
Abstract
Several studies have been reported for the preparation of hexacyclic-steroid derivatives; however, some reagents are expensive and require special conditions for handling. In this way, the objective of this study was to synthesize a hexacyclic-steroid derivative from 4-hydroxyestrone. The chemical structure was evaluated through both 1H NMR and 13C NMR spectroscopic analysis. The results showed good performance of the hexacyclic-steroid derivative. In conclusion in this study, an easy method for the preparation of the hexacyclic-steroid derivative is reported.
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Affiliation(s)
- Figueroa-Valverde Lauro
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico.
| | - Diaz Cedillo Francisco
- Escuela Nacional de Ciencias Biológicas del Instituto Politécnico Nacional, Prol. Carpio y Plan de Ayala s/n Col. Santo Tomas, Mexico, D.F. C.P. 11340, Mexico
| | - Rosas-Nexticapa Marcela
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico.
| | - Lopez-Ramos Maria
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
| | | | - Mateu-Armand Virginia
- Facultad de Nutrición, Universidad Veracruzana, Médicos y Odontólogos s/n, 91010, Xalapa, Veracruz, Mexico
| | - Ortiz-Ake Yazmin
- Laboratory of Pharmaco-Chemistry at the Faculty of Chemical Biological Sciences of the University Autonomous of Campeche, Av. Ex Hacienda Kalá s/n, 24085 San Francisco de Campeche, Mexico
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4
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Kahar N, Jadhav P, Reddy RVR, Dawande S. A rhodium(ii) catalysed domino synthesis of azepino fused diindoles from isatin tethered N-sulfonyl-1,2,3-triazoles and indoles. Chem Commun (Camb) 2020; 56:1207-1210. [PMID: 31895362 DOI: 10.1039/c9cc08377d] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
An efficient and convenient protocol for the synthesis of a novel class of azepino fused diindoles from isatin tethered N-sulfonyl-1,2,3-triazoles and indoles has been disclosed. The reaction proceeds via denitrogenative aza-vinyl rhodium carbene formation to give a carbonyl ylide, which with indole results in 1,3-dipolar cycloaddition followed by sequential semipinacol rearrangement/ring expansion/oxidation to produce azepino fused diindoles. The reaction shows a broad substrate scope giving up to 81% yield. Furthermore, reversible catalytic hydrogenation and photophysical studies were carried out to demonstrate the application of these molecules.
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Affiliation(s)
- Nilesh Kahar
- Department of Chemistry, Institute of Chemical Technology, Mumbai, Maharashtra 400019, India.
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5
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Norwood VM, Huigens RW. Harnessing the Chemistry of the Indole Heterocycle to Drive Discoveries in Biology and Medicine. Chembiochem 2019; 20:2273-2297. [DOI: 10.1002/cbic.201800768] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Indexed: 01/09/2023]
Affiliation(s)
- Verrill M. Norwood
- Department of Medicinal ChemistryCenter for Natural Products Drug Discovery and Development (CNPD3)University of Florida 1345 Center Drive Gainesville FL 32610 USA
| | - Robert W. Huigens
- Department of Medicinal ChemistryCenter for Natural Products Drug Discovery and Development (CNPD3)University of Florida 1345 Center Drive Gainesville FL 32610 USA
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6
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Chen L, Tian J, Zhan Y, Ren J, Wang Z. Lewis Acid‐Catalyzed Intramolecular [3 + 2] Cross‐Cycloaddition of Donor‐ Acceptor Epoxides with Alkenes for Construction of Oxa‐[
n
.2.1] Skeletons. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900114] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Lu Chen
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of ChemistryNankai University Tianjin 300071 China
| | - Jun Tian
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of ChemistryNankai University Tianjin 300071 China
| | - Yizhou Zhan
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of ChemistryNankai University Tianjin 300071 China
| | - Jun Ren
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of ChemistryNankai University Tianjin 300071 China
| | - Zhong‐Wen Wang
- State Key Laboratory and Institute of Elemento‐Organic Chemistry, College of ChemistryNankai University Tianjin 300071 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)Nankai University Tianjin 300071 China
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7
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Huang G, Yin B. Recent Developments in Transition Metal‐Catalyzed Dearomative Cyclizations of Indoles as Dipolarophiles for the Construction of Indolines. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800789] [Citation(s) in RCA: 108] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Guanghao Huang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
| | - Biaolin Yin
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 People's Republic of China
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8
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Wang Z, Chen L, Yao Y, Liu Z, Gao JM, She X, Zheng H. Dearomatization of Indole via Intramolecular [3 + 2] Cycloaddition: Access to the Pentacyclic Skeleton of Strychons Alkaloids. Org Lett 2018; 20:4439-4443. [PMID: 30016108 DOI: 10.1021/acs.orglett.8b01720] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient method to build various multisubstituted polycyclic indoline-annulated normal to medium-size rings through dearomatization of indole via a tandem 1,2-acyloxy migration/intramolecular [3 + 2] cycloaddition process is described. The pentacyclic skeleton of strychnine could be synthesized via this tandem cycloaddition and a further Mannich reaction. This approach would provide a novel strategy to the synthesis of strychons alkaloids.
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Affiliation(s)
- Zhengshen Wang
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Luxin Chen
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Yuan Yao
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Zhigang Liu
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China
| | - Xuegong She
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , 222 South Tianshui Road , Lanzhou 730000 , China
| | - Huaiji Zheng
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy , Northwest A&F University , 3 Taicheng Road , Yangling 712100 , China.,Key Laboratory of Botanical Pesticide R&D in Shaanxi Province , Yangling 712100 , China
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9
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Xu G, Chen L, Sun J. Rhodium-Catalyzed Asymmetric Dearomative [4 + 3]-Cycloaddition of Vinylindoles with Vinyldiazoacetates: Access to Cyclohepta[b]indoles. Org Lett 2018; 20:3408-3412. [DOI: 10.1021/acs.orglett.8b01353] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Guangyang Xu
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Long Chen
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangtao Sun
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, P. R. China
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10
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Chen J, Long W, Yang Y, Wan X. Interception of Secondary Amide Ylide with Sulfonamides: Catalyst-Controlled Synthesis of N-Sulfonylamidine Derivatives. Org Lett 2018; 20:2663-2666. [PMID: 29658721 DOI: 10.1021/acs.orglett.8b00867] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
A novel, secondary amide activation strategy has been developed through the in situ generation of ylides from amides and diazoacetates. Under the developed reaction conditions, Mn-catalyzed ylide formation and interception reaction by sulfonamide delivered a variety of N-sulfonylamidines. Notably, when highly active Zn(OTf)2 was used as the catalyst, further N-H insertion products were obtained. In contrast with traditional methods, our amide activation strategy is distinguished by accessible starting material, inexpensive catalyst, and broad substrate scope.
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Affiliation(s)
- Jijun Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Wenhao Long
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Yonggang Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
| | - Xiaobing Wan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science , Soochow University , Suzhou 215123 , P. R. China
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11
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Huang HM, Procter DJ. Radical Heterocyclization and Heterocyclization Cascades Triggered by Electron Transfer to Amide-Type Carbonyl Compounds. Angew Chem Int Ed Engl 2017; 56:14262-14266. [DOI: 10.1002/anie.201708354] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Huan-Ming Huang
- School of Chemistry; University of Manchester; Manchester M13 9PL UK
| | - David J. Procter
- School of Chemistry; University of Manchester; Manchester M13 9PL UK
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12
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Huang HM, Procter DJ. Radical Heterocyclization and Heterocyclization Cascades Triggered by Electron Transfer to Amide-Type Carbonyl Compounds. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708354] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Huan-Ming Huang
- School of Chemistry; University of Manchester; Manchester M13 9PL UK
| | - David J. Procter
- School of Chemistry; University of Manchester; Manchester M13 9PL UK
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13
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Meng J, Jia R, Leng J, Wen M, Yu X, Deng WP. Carbon-Carbon Bond Formation by Reaction of Rhodium Azavinylcarbenes with Secondary Amides: Access to Indigo Analogues from Isatins. Org Lett 2017; 19:4520-4523. [PMID: 28837347 DOI: 10.1021/acs.orglett.7b02096] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel protocol for the synthesis of unsymmetrical indigo-like (E)-α-amino enaminones by rhodium-catalyzed transformations of isatins with 1-tosyl-1,2,3-triazoles has been developed. A plausible reaction mechanism is proposed to account for the formation of structurally important unsymmetrical indigo analogues, which represents a new strategy for C-C bond formation based on the transformations of secondary amides and rhodium azavinylcarbenes.
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Affiliation(s)
- Jiang Meng
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
| | - Renmeng Jia
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
| | - Jiaying Leng
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
| | - Min Wen
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
| | - Xingxin Yu
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
| | - Wei-Ping Deng
- Shanghai Key Laboratory of New Drug Design & School of Pharmacy, East China University of Science and Technology , 130 Meilong Road, Shanghai 200237, China
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14
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15
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Yuan H, Gong J, Yang Z. Stereoselective Synthesis of Oxabicyclo[2.2.1]heptenes via a Tandem Dirhodium(II)-Catalyzed Triazole Denitrogenation and [3 + 2] Cycloaddition. Org Lett 2016; 18:5500-5503. [DOI: 10.1021/acs.orglett.6b02703] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Hao Yuan
- Laboratory
of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Jianxian Gong
- Laboratory
of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Zhen Yang
- Laboratory
of Chemical Genomics, School of Chemical Biology and Biotechnology, Peking University Shenzhen Graduate School, Shenzhen 518055, China
- Key
Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry
of Education and Beijing National Laboratory for Molecular Science
(BNLMS),Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China
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16
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Recent Advances of 1,3-Dipolar Cycloaddition Chemistry for Alkaloid Synthesisa. ADVANCES IN HETEROCYCLIC CHEMISTRY 2016. [DOI: 10.1016/bs.aihch.2016.03.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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17
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Ford A, Miel H, Ring A, Slattery CN, Maguire AR, McKervey MA. Modern Organic Synthesis with α-Diazocarbonyl Compounds. Chem Rev 2015; 115:9981-10080. [PMID: 26284754 DOI: 10.1021/acs.chemrev.5b00121] [Citation(s) in RCA: 1093] [Impact Index Per Article: 121.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
| | - Hugues Miel
- Almac Discovery Ltd. , David Keir Building, Stranmillis Road, Belfast BT9 5AG, United Kingdom
| | | | | | | | - M Anthony McKervey
- Almac Sciences Ltd. , Almac House, 20 Seagoe Industrial Estate, Craigavon BT63 5QD, United Kingdom
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18
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Suga H, Sekikawa Y, Misawa S, Kinugawa D, Oda R, Itoh K, Toda Y, Kiyono R. Chiral Lewis Acid-Catalyzed Enantioselective Cycloadditions between Indoles and Cyclic Carbonyl Ylides Derived from Diazodiketone or Diazoketoester Derivatives. J Org Chem 2015; 80:6687-96. [DOI: 10.1021/acs.joc.5b00835] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hiroyuki Suga
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Yurie Sekikawa
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Shunta Misawa
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Daito Kinugawa
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Rinnosuke Oda
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Kennosuke Itoh
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Yasunori Toda
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
| | - Ryotaro Kiyono
- Department
of Chemistry and
Material Engineering, Faculty of Engineering, Shinshu University, Wakasato, Nagano 380-8553, Japan
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19
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20
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Feng M, Jiang X. Stereoselective construction of a key hydroindole precursor of epidithiodiketopiperazine (ETP) natural products. Chem Commun (Camb) 2015; 50:9690-2. [PMID: 25017898 DOI: 10.1039/c4cc04148h] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
An asymmetric synthetic strategy for constructing the divergent-synthesis monomer of epidithiodiketopiperazine (ETP) natural products has been successfully developed. The functionalized 2,3,3a,4,7,7a-hexahydroindole scaffold was constructed by a diastereoselective inverse electron-demand Diels-Alder (IEDDA) reaction.
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Affiliation(s)
- Minghao Feng
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, Department of Chemistry, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China.
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21
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Lee K, Boger DL. Total syntheses of (-)-kopsifoline D and (-)-deoxoapodine: divergent total synthesis via late-stage key strategic bond formation. J Am Chem Soc 2014; 136:3312-7. [PMID: 24499015 PMCID: PMC3985950 DOI: 10.1021/ja500548e] [Citation(s) in RCA: 80] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2014] [Indexed: 01/24/2023]
Abstract
Divergent total syntheses of (-)-kopsifoline D and (-)-deoxoapodine are detailed from a common pentacyclic intermediate 15, enlisting the late-stage formation of two different key strategic bonds (C21-C3 and C21-O-C6) unique to their hexacyclic ring systems that are complementary to its prior use in the total syntheses of kopsinine (C21-C2 bond formation) and (+)-fendleridine (C21-O-C19 bond formation). The combined efforts represent the total syntheses of members of four classes of natural products from a common intermediate functionalized for late-stage formation of four different key strategic bonds uniquely embedded in each natural product core structure. Key to the first reported total synthesis of a kopsifoline that is detailed herein was the development of a transannular enamide alkylation for late-stage formation of the C21-C3 bond with direct introduction of the reactive indolenine C2 oxidation state from a penultimate C21 functionalized Aspidosperma-like pentacyclic intermediate. Central to the assemblage of the underlying Apidosperma skeleton is a powerful intramolecular [4 + 2]/[3 + 2] cycloaddition cascade of a 1,3,4-oxadiazole that provided the functionalized pentacyclic ring system 15 in a single step in which the C3 methyl ester found in the natural products served as a key 1,3,4-oxadiazole substituent, activating it for participation in the initiating Diels-Alder reaction and stabilizing the intermediate 1,3-dipole.
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Affiliation(s)
- Kiyoun Lee
- Department
of Chemistry and
the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Dale L. Boger
- Department
of Chemistry and
the Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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22
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Presset M, Coquerel Y, Rodriguez J. Syntheses and Applications of Functionalized Bicyclo[3.2.1]octanes: Thirteen Years of Progress. Chem Rev 2012; 113:525-95. [DOI: 10.1021/cr200364p] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Marc Presset
- Aix Marseille
Université, CNRS,
iSm2 UMR 7313, 13397 Marseille, France
| | - Yoann Coquerel
- Aix Marseille
Université, CNRS,
iSm2 UMR 7313, 13397 Marseille, France
| | - Jean Rodriguez
- Aix Marseille
Université, CNRS,
iSm2 UMR 7313, 13397 Marseille, France
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23
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Jiang X, Shi X, Wang S, Sun T, Cao Y, Wang R. Bifunctional Organocatalytic Strategy for Inverse-Electron-Demand Diels-Alder Reactions: Highly Efficient In Situ Substrate Generation and Activation to Construct Azaspirocyclic Skeletons. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201107716] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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24
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Jiang X, Shi X, Wang S, Sun T, Cao Y, Wang R. Bifunctional organocatalytic strategy for inverse-electron-demand Diels-Alder reactions: highly efficient in situ substrate generation and activation to construct azaspirocyclic skeletons. Angew Chem Int Ed Engl 2012; 51:2084-7. [PMID: 22271371 DOI: 10.1002/anie.201107716] [Citation(s) in RCA: 90] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2011] [Indexed: 11/08/2022]
Affiliation(s)
- Xianxing Jiang
- Key Laboratory of Preclinical Study for New Drugs of Gansu Province, Institute of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Lanzhou University, Lanzhou, China
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K. Snyder J, C. Benson S, Lee L, Wei W, Ni F, David Janna Olmos J, R. Strom K, B. Beeler A, Chih-Chien Cheng K, Inglese J, Kota S, Takahashi V, Donny Strosberg A, H. Connor J, Guy Bushkin G. Truncated Aspidosperma Alkaloid-Like Scaffolds: Unique Structures for the Discovery of New, Bioactive Compounds. HETEROCYCLES 2012. [DOI: 10.3987/rev-11-sr(p)4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Shimada N, Oohara T, Krishnamurthi J, Nambu H, Hashimoto S. Catalytic enantioselective intermolecular cycloaddition of diazodiketoester-derived carbonyl ylides with indoles using chiral dirhodium(II) carboxylates. Org Lett 2011; 13:6284-7. [PMID: 22047068 DOI: 10.1021/ol2027625] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The first example of enantioselective intermolecular cycloaddition of carbonyl ylides with indoles is described. The cycloaddition of five- and six-membered carbonyl ylides derived from diazodiketoesters with N-methylindoles under catalysis by dirhodium(II) tetrakis[N-tetrachlorophthaloyl-(S)-tert-leucinate], Rh(2)(S-TCPTTL)(4), gave cycloadducts in high yields and with high levels of enantioselectivity (up to 99% ee) as well as excellent exo diastereoselectivity.
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Affiliation(s)
- Naoyuki Shimada
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
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Muthusamy S, Gangadurai C, Krishnamurthi J, Suresh E. Stereoselective synthesis of piperidinone and quinolinone systems via ring opening reactions using TiCl4/silyl reagents. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.04.049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Chen J, Chen JJ, Yao X, Gao K. Kopsihainanines A and B, two unusual alkaloids from Kopsia hainanensis. Org Biomol Chem 2011; 9:5334-6. [DOI: 10.1039/c1ob05724c] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Wu Y, Kitajima M, Kogure N, Wang Y, Zhang R, Takayama H. Two new aspidosperma indole alkaloids from Yunnan Kopsia arborea. Chem Pharm Bull (Tokyo) 2010; 58:961-3. [PMID: 20606347 DOI: 10.1248/cpb.58.961] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Two new indole alkaloids, kopsiyunnanines G (1) and H (2), possessing the Aspidosperma skeleton were isolated from the aerial part of Yunnan Kopsia arborea BLUME (Apocynaceae). Their structures and stereochemistry were elucidated by means of MS and 2D NMR analyses.
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Affiliation(s)
- Yuqiu Wu
- Graduate School of Pharmaceutical Sciences, Chiba University, Chiba, Japan
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Zörb A, Brückner R. Conversion of Conjugated Enones into Enantiomerically Pure -Hydroxy Ketones or 1,3-Diols - Samarium(II) Bromide Reductions of Protected ,-Dihydroxy Ketones. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000279] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Gataullin RR. Synthesis of compounds containing a cycloalka[b]indole fragment. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2009. [DOI: 10.1134/s1070428009030014] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Abstract
In this tutorial review, the rhodium(II)-catalyzed domino reactions of alpha-diazo carbonyl compounds are summarized. The article will emphasize some of the more recent synthetic applications of the rhodium carbenoid cyclization/cycloaddition domino cascade for alkaloid synthesis. The many structurally diverse and highly successful examples of both oxa and azapolycyclic ring formation cited in this tutorial review clearly demonstrate that the domino cyclization/cycloaddition cascade of metallo carbenoids has evolved as an important strategy for the synthesis of nitrogen containing natural products.
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Wu Y, Suehiro M, Kitajima M, Matsuzaki T, Hashimoto S, Nagaoka M, Zhang R, Takayama H. Rhazinilam and quebrachamine derivatives from Yunnan Kopsia arborea. JOURNAL OF NATURAL PRODUCTS 2009; 72:204-209. [PMID: 19133778 DOI: 10.1021/np800489e] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Three new rhazinilam-derived alkaloids, kopsiyunnanines C1, C2, and C3, and a new quebrachamine-type alkaloid, kopsiyunnanine D, which possess an unusual methoxymethyl or ethoxymethyl function, were isolated from the aerial parts of Yunnan Kopsia arborea. This is the first report of the presence of these functions in natural alkaloids. The structures and absolute configurations of the alkaloids were determined by spectroscopic methods and confirmed by semisynthesis.
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Affiliation(s)
- Yuqiu Wu
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
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Chapter 2: Cascade reactions of carbonyl ylides for heterocyclic synthesis. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s0959-6380(09)70006-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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Affiliation(s)
- Toh-Seok Kam
- Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
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Hong X, France S, Padwa A. A Dipolar Cycloaddition Approach Toward the Kopsifoline Alkaloid Framework. Tetrahedron 2007; 63:5962-5976. [PMID: 17710185 PMCID: PMC1948834 DOI: 10.1016/j.tet.2007.01.064] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Using a metal-catalyzed domino reaction as the key step, the heterocyclic skeleton of the kopsifoline alkaloid family was constructed by a 1,3-dipolar cycloaddition of a carbonyl ylide dipole derived from a Rh(II)-catalyzed reaction of a diazo ketoester across the indole pi-bond. Ring opening of the resulting 1,3-dipolar cycloadduct followed by a reductive dehydroxylation step resulted in the formation of a critical silyl enol ether necessary for the final F-ring closure of the kopsifoline skeleton.
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Affiliation(s)
| | | | - Albert Padwa
- Corresponding Author: Tel.: 404-727-0283; Fax: 404-727-6629; e-mail:
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Hájíček J. A Review on Recent Developments in Syntheses of the post-Secodine Indole Alkaloids. Part II: Modified Alkaloid Types. ACTA ACUST UNITED AC 2007. [DOI: 10.1135/cccc20070821] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The second part of the planned review on developments in the field of total and formal total synthesis of the post-secodine indole alkaloids concentrates on modified alkaloid types, i.e. those skeletons derived from primary types by formation of additional and/or rupture of existing bonds, while connectivities next to indol(e)ine moiety remain intact. It thus reviews the synthesis of alkaloids of quebrachamine/cleavamine type including VLB-bis-indoles, rhazinilam type, aspidofractinine/kopsane and kopsifoline type, as well as kopsijasminilam alkaloids, lapidilectine B and danuphylline. It covers the literature of from 1991-1992 up to approximately end 2006. A review with 174 references.
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