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Kim H, Shin N, Hong SK, Park J, Nam S, Horne DA, Choi JR, Cha JK, Kim YG. Total Synthesis and Cytotoxicity Evaluation of Pareitropone and Analogues. J Org Chem 2024; 89:6230-6237. [PMID: 38629386 DOI: 10.1021/acs.joc.4c00236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2024]
Abstract
A concise synthesis of pareitropone by oxidative cyclization of a phenolic nitronate is delineated. The use of TMSOTf as an additive to promote the facile formation of a strained norcaradiene intermediate provides convenient access to highly condensed multicyclic tropones in high yields. This synthesis is modular, efficient, and scalable, highlighting the synthetic utility of radical anion coupling reactions in annulation reactions. This work is discussed in the context of total syntheses of the tropoloisoquinoline alkaloids. Also included are the preparation of several congeners and a brief description of their biological activities.
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Affiliation(s)
- Hyeonjeong Kim
- Department of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Nara Shin
- Department of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Suk-Koo Hong
- Department of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Jongbeom Park
- Department of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
| | - Sangkil Nam
- Department of Molecular Medicine, Beckmann Research Institute, City of Hope, Durate, California 91010, United States
| | - David A Horne
- Department of Molecular Medicine, Beckmann Research Institute, City of Hope, Durate, California 91010, United States
| | - J R Choi
- R&D Center, CG Invites, Gangseo-gu, Seoul 08702, Republic of Korea
| | - Jin Kun Cha
- Department of Chemistry, Wayne State University, Detroit, Michigan 48202, United States
| | - Young Gyu Kim
- Department of Chemical and Biological Engineering, Seoul National University, Seoul 08826, Republic of Korea
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2
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Zhang Z, Sun Z, Song J, Guo H, Wang Y, Hu X. Construction of the A-B-C Ring of Simplicissin through an Oxidative Dearomatization/Iodination/[3+2] Annulation Cascade. Org Lett 2023. [PMID: 38018904 DOI: 10.1021/acs.orglett.3c03464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
As an attractive DMOA-derived spiromeroterpenoid, simplicissin shares a common A-B-C ring skeleton with other natural analogues. On the basis of the development of an oxidative dearomatization/iodination/[3+2] annulation cascade, a concise synthetic pathway to the A-B-C ring of simplicissin has been successfully established, and the substrate generality of the novel oxidative dearomatization/iodination/[3+2] annulation cascade has been checked.
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Affiliation(s)
- Ziwei Zhang
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
| | - Zezhong Sun
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
| | - Jianing Song
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
| | - Hao Guo
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
| | - Yunxia Wang
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
| | - Xiangdong Hu
- Department of Chemistry & Material Science, Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education of China, Northwest University, Xi'an 710127, China
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3
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Zhang GY, Zhang P, Li BW, Liu K, Li J, Yu ZX. Dual Activation Strategy to Achieve C–C Cleavage of Cyclobutanes: Development and Mechanism of Rh and Zn Cocatalyzed [4 + 2] Cycloaddition of Yne-Vinylcyclobutanones. J Am Chem Soc 2022; 144:21457-21469. [DOI: 10.1021/jacs.2c04244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Guan-Yu Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Pan Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Bing-Wen Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Kang Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Jun Li
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
| | - Zhi-Xiang Yu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China
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4
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He J, Yang L, Zhang X, Xu W, Wang H, Lang M, Wang J, Peng S. Stereodivergent Syntheses of N-heterocycles by Catalyst-Controlled Reaction of Imidazolidines with Allenes. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Jieyin He
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Liangliang Yang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Xue Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Wendi Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Haiyang Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Ming Lang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
| | - Jian Wang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
- School of Pharmaceutical Sciences, Key Laboratory of Bioorganic Phosphorous Chemistry & Chemical Biology (Ministry of Education), Tsinghua University, Beijing, 100084, People’s Republic of China
| | - Shiyong Peng
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen 529020, People’s Republic of China
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5
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Boron-tethered oxidopyrylium-based [5 + 2] cycloadditions. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Zhang Y, Chi Z, Li X, Xie Z. Highly Stereocontrolled Total Syntheses of Cedrane Sesquiterpenes via Cascade [5+2] Cycloaddition/Etherification. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100737] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuhan Zhang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Lanzhou Gansu 730000 China
| | - Zhiyong Chi
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Lanzhou Gansu 730000 China
| | - Xiangxin Li
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Lanzhou Gansu 730000 China
| | - Zhixiang Xie
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University 222 Tianshui South Road Lanzhou Gansu 730000 China
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7
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Abstract
Natural products have significant biological properties that arise from their fascinating molecular architectures. Despite many advances in synthetic method development, the efficient synthesis of highly-functionalized and structurally intricate natural products...
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8
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Márquez-Cadena MA, Zhang W, Tong R. Synthetic Studies toward the Berkeleyacetal Core Architecture. Org Lett 2021; 23:9227-9231. [PMID: 34780201 DOI: 10.1021/acs.orglett.1c03559] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Berkeleyacetals are structurally complex natural products that have shown potent anti-inflammatory activity. The presence of a highly dense oxygen functionality and a polycyclic ring system presents significant synthetic challenges. Herein, we report an efficient strategy for the construction of the tetracyclic core system of berkeleyacetal. Our synthetic strategy features two cycloadditions ([4+2] and [5+2]) to forge the tetracyclic core and Achmatowicz rearrangement for the preparation of the cyclization substrates containing B and E rings.
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Affiliation(s)
- Miguel Adrián Márquez-Cadena
- Department of Chemistry and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
| | - Wei Zhang
- Department of Chemistry and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
| | - Rongbiao Tong
- Department of Chemistry and Hong Kong Branch of the Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), The Hong Kong University of Science and Technology, Clearwater Bay, Kowloon, Hong Kong 999077, China
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9
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Pyrrolidine‐Catalyzed Annulations of Quinone Monoacetals with Naphthols: Synthesis of 2‐Oxabicyclo[3.3.1]nonane Skeletons, Transformations and Reaction Mechanism. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101166] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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10
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Liu Z, Hu J, Ding H. Electrochemical ODI-[5+2] Cascade for the Syntheses of Diversely Functionalized Bicyclo[3.2.1]octane Frameworks. Org Lett 2021; 23:6745-6749. [PMID: 34402626 DOI: 10.1021/acs.orglett.1c02321] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A metal- and hypervalent iodine reagent-free electrochemical oxidative dearomatization-induced [5+2] cycloaddition/pinacol rearrangement cascade reaction was described. The electrosynthetic method showed strong tolerance for vinylphenols, ethynylphenols, and allenylphenols, which thus enabled the rapid assembly of diversely functionalized bicyclo[3.2.1]octanes in 41-95% yields and up to >20:1 dr. This protocol could be scaled up to gram amounts and should find wide application in complex natural product synthesis.
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Affiliation(s)
- Zhaobo Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Jialei Hu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Hanfeng Ding
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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11
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Ghosh AK, Yadav M. Highly Diastereoselective Intramolecular Asymmetric Oxidopyrylium-olefin [5 + 2] Cycloaddition and Synthesis of 8-Oxabicyclo[3.2.1]oct-3-enone Containing Ring Systems. J Org Chem 2021; 86:8127-8142. [PMID: 34015224 DOI: 10.1021/acs.joc.1c00600] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We have the investigated base mediated asymmetric intramolecular oxidopyrylium-alkene [5 + 2]-cycloaddition reaction which resulted in the synthesis of functionalized tricyclic ring systems containing an 8-oxabicyclo[3.2.1]octane core. Intramolecular cycloaddition constructed two new rings, three new stereogenic centers, and provided a tricyclic cycloadduct with high diastereoselectivity and isolated yield. We incorporated an α-chiral center and an alkoxy alkene tether on the substrates and examined the effect of the size of alkyl groups and alkene tether length on diastereoselectivity. The requisite substrates for the oxidopyrylium-alkene cycloaddition reaction were synthesized in a few steps involving alkylation of optically active α-hydroxy amide, furyllithium addition, reduction of resulting ketone, and Achmatowicz reaction followed by acylation of a lactol intermediate. We have proposed stereochemical models for the [5 + 2] cycloaddition reaction via the oxidopyrylium ylide. Interestingly, the alkoxy substituent on the stereocenter and the chain length are responsible for the degree of stereoselectivity of the cycloadduct.
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Affiliation(s)
- Arun K Ghosh
- Department of Chemistry and Department of Medicinal Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Monika Yadav
- Department of Chemistry and Department of Medicinal Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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12
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Zhang Z, Han H, Wang L, Bu Z, Xie Y, Wang Q. Construction of bridged polycycles through dearomatization strategies. Org Biomol Chem 2021; 19:3960-3982. [PMID: 33978039 DOI: 10.1039/d1ob00096a] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Bridged polycycles are privileged molecular skeletons with wide occurrence in bioactive natural products and pharmaceuticals. Therefore, they have been the pursing target molecules of numerous chemists. The rapid and convenient generation of sp3-rich complex three-dimensional molecular skeletons from simple and easily available aromatics has made dearomatization a highly valuable synthetic tool for the construction of rigid and challenging bridged rings. This review summarizes the-state-of-the-art advances of dearomatization strategies in the application of bridged ring formation, discusses their advantages and limitations and the in-depth mechanism, and highlights their synthetic value in the total synthesis of natural products. We wish this review will provide an important reference for medicinal and synthetic chemists and will inspire further development in this intriguing research area.
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Affiliation(s)
- Ziying Zhang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Huabin Han
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Lele Wang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Zhanwei Bu
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
| | - Yan Xie
- College of Chemistry and Materials Engineering, Quzhou University, Quzhou 324000, China.
| | - Qilin Wang
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng 475004, China.
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13
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Rodriguez S, Uria U, Reyes E, Prieto L, Rodríguez-Rodríguez M, Carrillo L, Vicario JL. Enantioselective construction of the 8-azabicyclo[3.2.1]octane scaffold: application in the synthesis of tropane alkaloids. Org Biomol Chem 2021; 19:3763-3775. [PMID: 33949549 DOI: 10.1039/d1ob00143d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The 8-azabicyclo[3.2.1]octane scaffold is the central core of the family of tropane alkaloids, which display a wide array of interesting biological activities. As a consequence, research directed towards the preparation of this basic structure in a stereoselective manner has attracted attention from many research groups worldwide across the years. Despite this, most of the approaches rely on the enantioselective construction of an acyclic starting material that contains all the required stereochemical information to allow the stereocontrolled formation of the bicyclic scaffold. As an alternative, there are a number of important methodologies reported in which the stereochemical control is achieved directly in the same transformation that generates the 8-azabicyclo[3.2.1]octane architecture or in a desymmetrization process starting from achiral tropinone derivatives. This review compiles the most relevant achievements in these areas.
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Affiliation(s)
- Sandra Rodriguez
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Uxue Uria
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Efraim Reyes
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Liher Prieto
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Marta Rodríguez-Rodríguez
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Luisa Carrillo
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
| | - Jose L Vicario
- Department of Organic and Inorganic Chemistry, University of the Basque Country, P. O. Box 644, 48080 Bilbao, Spain.
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14
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Wu J, Liu J, Fan J, Xie Z, Qin H, Li C. Evolution of Routes for Asymmetric Total Synthesis of Cyclocitrinol Enabled by Type
II
[5+2] Cycloaddition
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202000698] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jianlei Wu
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
| | - Junyang Liu
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Jian‐Hong Fan
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
| | - Zhi‐Dong Xie
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology Shenzhen Guangdong 518055 China
| | - Hukun Qin
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
| | - Chuang‐Chuang Li
- Shenzhen Key Laboratory of Small Molecule Drug Discovery and Synthesis, Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen Guangdong 518055 China
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15
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Guo R, Zhai H, Li Y. Synthetic studies on pseudolaric acid B: Enantioselective synthesis of C4,C10-di-epi-trans-fused [5-7]-bicyclic skeleton. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Fan JH, Hu YJ, Li LX, Wang JJ, Li SP, Zhao J, Li CC. Recent advances in total syntheses of natural products containing the benzocycloheptane motif. Nat Prod Rep 2021; 38:1821-1851. [PMID: 33650613 DOI: 10.1039/d1np00003a] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Covering: 2010 to 2020Benzocycloheptane is a fundamental and unique structural motif found in pharmaceuticals and natural products. The total syntheses of natural products bearing the benzocycloheptane subunit are challenging and there are only a few efficient approaches to access benzocycloheptane. Thus, new methods and innovative strategies for preparing such natural products need to be developed. In this review, recent progress in the total syntheses of natural products bearing the benzocycloheptane motif is presented, and key transformations for the construction of benzocycloheptane are highlighted. This review provides a useful guide for those engaged in the syntheses of natural products containing the benzocycloheptane motif.
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Affiliation(s)
- Jian-Hong Fan
- Institute of Chinese Medical Sciences, University of Macau, Macau, China. and Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Ya-Jian Hu
- Institute of Chinese Medical Sciences, University of Macau, Macau, China. and Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Li-Xuan Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Jing-Jing Wang
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.
| | - Shao-Ping Li
- Institute of Chinese Medical Sciences, University of Macau, Macau, China.
| | - Jing Zhao
- Institute of Chinese Medical Sciences, University of Macau, Macau, China.
| | - Chuang-Chuang Li
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China.
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17
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Gao K, Hu J, Ding H. Tetracyclic Diterpenoid Synthesis Facilitated by ODI-Cascade Approaches to Bicyclo[3.2.1]octane Skeletons. Acc Chem Res 2021; 54:875-889. [PMID: 33508196 DOI: 10.1021/acs.accounts.0c00798] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Tetracyclic diterpenoids (C20) mainly refer to the plant terpenoids bearing biogenetically related carbon skeletons derived from copalyl diphosphates (ent-CPP and syn-CPP). This large family contains over 1600 known members that can be categorized into 11 major structural types. Among them, more than three-quarters share a bridged bicyclo[3.2.1]octane subunit, which is also an important branching point in biosynthesis en route to the other types of bicyclic scaffolds, such as bicyclo[2.2.2]-, bicyclo[3.3.0]-, and tricyclo[3.2.1.0]octanes. Combined with the significance of its stereochemical importance in biological activity, the assembly of the bicyclo[3.2.1]octane skeletons is critical to the success of the whole synthesis blueprint toward tetracyclic diterpenoids. Although a number of inspiring methodologies have been disclosed, general approaches by the incorporation of innovative cascade reactions permitting access to diverse structural types of tetracyclic diterpenoids remain limited and in urgent demand.Because of the long-standing interest in the synthesis of bridged diterpenoids, we have recently developed two complementary types of oxidative dearomatization induced (ODI) cascade approaches to the rapid and efficient construction of bicyclo[3.2.1]octane skeletons. In this Account, we summarize our original synthesis design, methodology development, and the application of these two strategies in tetracyclic diterpenoid synthesis during the past few years in our laboratory.First, we detail our preliminary investigation of the ODI-[5 + 2] cycloaddition/pinacol rearrangement cascade reaction, which showed a wide scope of vinylphenol substrates and led to cyclopentane and cyclohexane-fused bicyclo[3.2.1]octanes in good yields with excellent dr values. Next, we describe the utilization of this ODI-[5 + 2] cascade reaction which resulted in the asymmetric total syntheses of four highly oxygenated ent-kauranoids. The strategy concerning accurate stereochemical control in the ODI-[5 + 2] cycloaddition was then successfully transplanted to the total syntheses of three stemaranoids, thus providing a straightforward and diastereoselective route to C9-ethano-bridged tetracyclic diterpenoids. To access more complex diterpenoid rhodomollanol A, we exploited two additional biomimetic rearrangements, namely, the retro-Dieckmann fragmentation/vinylogous Dieckmann cyclization cascade and the photo-Nazarov cyclization/intramolecular cycloetherification cascade. Taken together with the ODI-[5 + 2] cascade, the asymmetric total synthesis of the target molecule was realized, which shed light on the biogenetic pathway of the unprecedented rhodomollane-type carbon framework. Finally, we describe an ODI-Diels-Alder/Beckwith-Dowd cascade approach as a valuable supplement to the ODI-[5 + 2] cascade for the fabrication of cycloheptane-fused bicyclo[3.2.1]octane skeletons. Its versatility was also demonstrated by the total syntheses of two challenging grayanane diterpenoids. In view of the high functional-group compatibility and scalability, we anticipate that the two novel cascade approaches will find further use in the field of complex natural product synthesis.
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Affiliation(s)
- Kai Gao
- Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou 318000, China
| | - Jialei Hu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Hanfeng Ding
- Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou 318000, China
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
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18
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Wu L, Wang T, Gao C, Huang W, Qu J, Chen Y. Skeletal Reconstruction of 3-Alkylidenepyrrolidines to Azepines Enabled by Pd-Catalyzed C–N Bond Cleavage. ACS Catal 2021. [DOI: 10.1021/acscatal.1c00130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Licheng Wu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Tong Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Chenyang Gao
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Wenyi Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Jingping Qu
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
| | - Yifeng Chen
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, Frontiers Science Center for Materiobiology and Dynamic Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, China
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19
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Zhao JQ, Zhou S, Wang ZH, You Y, Chen S, Liu XL, Zhou MQ, Yuan WC. Catalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5 H-thiazol-4-ones: stereoselective construction of dihydrobenzofuran-bridged polycyclic skeletons. Org Chem Front 2021. [DOI: 10.1039/d1qo01061a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An organocatalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5H-thiazol-4-ones is developed for the construction of dihydrobenzofuran-bridged polycyclic skeletons with good results.
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Affiliation(s)
- Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shun Zhou
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Shuang Chen
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine, Guizhou University, Guiyang, Guizhou 550025, China
| | - Xiong-Li Liu
- Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine, Guizhou University, Guiyang, Guizhou 550025, China
| | - Ming-Qiang Zhou
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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20
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Hou XQ, Lin Y, Du DM. Organocatalytic domino annulation of in situ generated tert-butyl 2-hydroxybenzylidenecarbamates with 2-isothiocyanato-1-indanones for synthesis of bridged and fused ring heterocycles. Org Chem Front 2021. [DOI: 10.1039/d1qo00626f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An asymmetric domino annulation of 2-isothiocyanato-1-indanones with tert-butyl 2-hydroxybenzylidenecarbamates was developed for the enantioselective construction of bridged and fused ring hererocycles in high yields with excellent stereoselectivities.
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Affiliation(s)
- Xi-Qiang Hou
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Ye Lin
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
| | - Da-Ming Du
- School of Chemistry and Chemical Engineering
- Beijing Institute of Technology
- Beijing 100081
- People's Republic of China
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21
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Synthesis of Polycyclic Ether-Benzopyrans and In Vitro Inhibitory Activity against Leishmania tarentolae. Molecules 2020; 25:molecules25225461. [PMID: 33233418 PMCID: PMC7700287 DOI: 10.3390/molecules25225461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/14/2020] [Accepted: 11/18/2020] [Indexed: 11/21/2022] Open
Abstract
Construction of a focused library of polycyclic ether-benzopyrans was undertaken in order to discover new therapeutic compounds that affect Leishmania growth and infectivity. This is especially of interest since there are few drug therapies for leishmaniasis that do not have serious drawbacks such high cost, side effects, and emerging drug resistance. The construction of these polycyclic ether-benzopyrans utilized an acetoxypyranone-alkene [5+2] cycloaddition and the Suzuki-Miyaura cross-coupling. The multi-gram quantity of the requisite aryl bromide was obtained followed by effective Pd-catalyzed coupling with boronic acid derivatives. Compounds were tested in vitro using the parasitic protozoan, Leishmania tarentolae. Effects of concentration, time, and exposure to light were evaluated. In addition, the effects on secreted acid phosphatase activity and nitric oxide production were investigated, since both have been implicated in parasite infectivity. The data presented herein are indicative of disruption of the Leishmania tarentolae and thus provide impetus for the development and testing of a more extensive library.
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22
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Trost BM, Zuo Z, Schultz JE. Transition-Metal-Catalyzed Cycloaddition Reactions to Access Seven-Membered Rings. Chemistry 2020; 26:15354-15377. [PMID: 32705722 DOI: 10.1002/chem.202002713] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 07/12/2020] [Indexed: 02/06/2023]
Abstract
The efficient and selective synthesis of functionalized seven-membered rings remains an important pursuit within synthetic organic chemistry, as this motif appears in numerous drug-like molecules and natural products. Use of cycloaddition reactions remains an attractive approach for their construction within the perspective of atom and step economy. Additionally, the ability to combine multiple components in a single reaction has the potential to allow for efficient combinatorial strategies of diversity-oriented synthesis. The inherent entropic penalty associated with achieving these transformations has impressively been overcome with development of catalysis, whereby the reaction components can be pre-organized through activation by transition-metal-catalysis. The fine-tuning of metal/ligand combinations as well as reaction conditions allows for achieving chemo-, regio-, diastereo- and enantioselectivity in these transformations. Herein, we discuss recent advances in transition-metal-catalyzed construction of seven-membered rings via combination of 2-4 components mediated by a variety of metals. An emphasis is placed on the mechanistic aspects of these transformations to both illustrate the state of the science and to highlight the unique application of novel processes of transition-metals in these transformations.
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Affiliation(s)
- Barry M Trost
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, USA
| | - Zhijun Zuo
- Department of Chemistry, Stanford University, Stanford, California, 94305-5080, USA
| | - Johnathan E Schultz
- Chemical Process Development, Bristol Myers Squibb, New Brunswick, NJ, 08901, USA
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23
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Min L, Hu YJ, Fan JH, Zhang W, Li CC. Synthetic applications of type II intramolecular cycloadditions. Chem Soc Rev 2020; 49:7015-7043. [PMID: 32869796 DOI: 10.1039/d0cs00365d] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Type II intramolecular cycloadditions ([4+2], [4+3], [4+4] and [5+2]) have emerged recently as an efficient and powerful strategy for the construction of bridged ring systems. In general, type II cycloadditions provide access to a wide range of bridged bicyclo[m.n.1] ring systems with high regio- and diastereoselectivity in an easy and straightforward manner. In each section of this review, an overview of the corresponding type II cycloadditions is presented, which is followed by highlights of method development and synthetic applications in natural product synthesis. The goal of this review is to provide a survey of recent advances in the field covering literature up to 2020. The review will serve as a useful reference for organic chemists engaged in the total synthesis of natural products containing bridged bicyclo[m.n.1] ring systems and provide strong stimulus for invention and further advances in this exciting research field.
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Affiliation(s)
- Long Min
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China.
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24
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Rokey SN, Simanis JA, Law CM, Pohani S, Willens Behrends S, Bulandr JJ, Ferrence GM, Goodell JR, Andrew Mitchell T. Intramolecular asymmetric oxidopyrylium-based [5 + 2] cycloadditions. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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Grabowski JP, Ferrence GM, Mitchell TA. Efforts toward the total synthesis of (±)-toxicodenane A utilizing an oxidopyrylium-based [5+2] cycloaddition of a silicon-tethered BOC-pyranone. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152324] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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26
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Watanabe K, Kawashima Y, Mukai C, Takagi T, Suwa Y, Tian YS, Kawashita N. A Comparison between the Cycloadditions of Allenyl- and Vinyl-Cyclopentanes Using Density Functional Theory and GRRM Program. Chem Pharm Bull (Tokyo) 2020; 68:737-741. [DOI: 10.1248/cpb.c20-00144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kazuki Watanabe
- Graduate School of Pharmaceutical Sciences, Osaka University
| | | | - Chisato Mukai
- Organization of Frontier Science and Innovation, Kanazawa University
| | - Tatsuya Takagi
- Graduate School of Pharmaceutical Sciences, Osaka University
| | - Yukinori Suwa
- Graduate School of Pharmaceutical Sciences, Osaka University
| | - Yu-Shi Tian
- Graduate School of Pharmaceutical Sciences, Osaka University
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27
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Yang LC, Wang YN, Liu R, Luo Y, Ng XQ, Yang B, Rong ZQ, Lan Y, Shao Z, Zhao Y. Stereoselective access to [5.5.0] and [4.4.1] bicyclic compounds through Pd-catalysed divergent higher-order cycloadditions. Nat Chem 2020; 12:860-868. [DOI: 10.1038/s41557-020-0503-7] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 06/01/2020] [Indexed: 01/06/2023]
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28
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Min L, Liu X, Li CC. Total Synthesis of Natural Products with Bridged Bicyclo[m.n.1] Ring Systems via Type II [5 + 2] Cycloaddition. Acc Chem Res 2020; 53:703-718. [PMID: 32069021 DOI: 10.1021/acs.accounts.9b00640] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Natural products containing bridged ring systems are widely identified and show significant biological activity. The development of efficient synthesis reactions and strategies to construct bridged ring systems is a long-standing but very significant challenge in organic chemistry. In 2014, our group developed a unique type II [5 + 2] cycloaddition reaction that provides a facile and direct methodology for constructing highly functionalized bridged bicyclo[4.3.1], bicyclo[4.4.1], bicyclo[5.4.1], bicyclo[6.4.1], and other bicyclo[m.n.1] systems containing a strained bridgehead double bond. In this Account, we summarize the methodology development and report the results of application of our unique strategy for the total synthesis of several natural products with bridged ring systems (i.e., cyclocitrinol, cerorubenic acid-III, and vinigrol) during the past 5 years in our laboratory. In the first part, we introduce the logic behind the design and discovery of type II [5 + 2] cycloadditions. The substrates can be easily synthesized by a modular approach, followed by base-promoted group elimination under heat to form an oxidopyrylium ylide, which can undergo cycloaddition under relatively mild conditions with a variety of double bonds to generate bridged bicyclo[m.n.1] frameworks in high yield. The diastereocontrol and unique endo selectivity of this methodology are favorable for further application to the synthesis of complex natural products. In the second part, we highlight our endeavors in the total synthesis of several different types of molecules bearing bridged ring systems using our methodology. The bridged bicyclo[4.4.1] system is the core structure of two different types of natural products, cyclocitrinol and cerorubenic acid-III, that can be efficiently constructed by type II [5 + 2] cycloadditions. The development of suitable strategies and methods for site-selective cleavage of the C-O bond of the oxa-[3.2.1] ring system in the products of type II [5 + 2] cycloadditions is also discussed and highlighted during the syntheses. Moreover, the bridged bicyclo[5.3.1] system is the core structure of vinigrol, which can be constructed through a novel ring contraction sequence of the bicyclo[5.4.1] system formed by a type II [5 + 2] cycloaddition. By combining with a ring contraction cascade, we believe that type II [5 + 2] cycloadditions have the potential to be used as a unified approach to constructing natural products containing bridged bicyclo[m.n.1] frameworks.
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Affiliation(s)
- Long Min
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Xin Liu
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
| | - Chuang-Chuang Li
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology (SUSTech), Shenzhen 518055, China
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29
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Gao J, Rao P, Xu K, Wang S, Wu Y, He C, Ding H. Total Synthesis of (−)-Rhodomollanol A. J Am Chem Soc 2020; 142:4592-4597. [DOI: 10.1021/jacs.0c00308] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Jianhong Gao
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Peirong Rao
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Kaixiang Xu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Shuaifeng Wang
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Yufei Wu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Chi He
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Hanfeng Ding
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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30
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Hu J, Jia Z, Xu K, Ding H. Total Syntheses of (+)-Stemarin and the Proposed Structures of Stemara-13(14)-en-18-ol and Stemara-13(14)-en-17-acetoxy-18-ol. Org Lett 2020; 22:1426-1430. [DOI: 10.1021/acs.orglett.0c00029] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jialei Hu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Ziqi Jia
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Kaixiang Xu
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
| | - Hanfeng Ding
- Department of Chemistry, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
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31
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Zhang L, Shi Q, Cao T, Zhu S. Catalytic regio- and stereoselective intermolecular [5+2] cycloaddition via conjugative activation of oxidopyrylium. Chem Commun (Camb) 2020; 56:9533-9536. [PMID: 32691033 DOI: 10.1039/d0cc04309e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A catalytic stereodivergent intermolecular [5+2] cycloaddition of maltol-type oxidopyrylium through conjugative activation was reported.
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Affiliation(s)
- Ling Zhang
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Qiu Shi
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Tongxiang Cao
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Shifa Zhu
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
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32
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Long Y, Ding Y, Wu H, Qu C, Liang H, Zhang M, Zhao X, Long X, Wang S, Puno P, Deng J. Total Synthesis of (−)‐Perezoperezone through an Intermolecular [5+2] Homodimerization of Hydroxy
p
‐Quinone. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911978] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yang Long
- Department of Medicinal Natural ProductsWest China School of PharmacySichuan University Chengdu 610041 P. R. China
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
| | - Yiming Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hai Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chunlei Qu
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hong Liang
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Min Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xiaoli Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xianwen Long
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shu Wang
- Department of Medicinal Natural ProductsWest China School of PharmacySichuan University Chengdu 610041 P. R. China
| | - Pema‐Tenzin Puno
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
| | - Jun Deng
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
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33
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Long Y, Ding Y, Wu H, Qu C, Liang H, Zhang M, Zhao X, Long X, Wang S, Puno P, Deng J. Total Synthesis of (−)‐Perezoperezone through an Intermolecular [5+2] Homodimerization of Hydroxy
p
‐Quinone. Angew Chem Int Ed Engl 2019; 58:17552-17557. [PMID: 31608523 DOI: 10.1002/anie.201911978] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/11/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Yang Long
- Department of Medicinal Natural ProductsWest China School of PharmacySichuan University Chengdu 610041 P. R. China
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
| | - Yiming Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hai Wu
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Chunlei Qu
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hong Liang
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Min Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xiaoli Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Xianwen Long
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shu Wang
- Department of Medicinal Natural ProductsWest China School of PharmacySichuan University Chengdu 610041 P. R. China
| | - Pema‐Tenzin Puno
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
| | - Jun Deng
- State Key Laboratory of Phytochemistry and Plant Resources in West ChinaYunnan Key Laboratory of Natural Medicinal ChemistryKunming Institute of BotanyChinese Academy of Sciences 132 Lanhei Road Kunming China
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34
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Affiliation(s)
- Long Min
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Xiaohong Lin
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
| | - Chuang-Chuang Li
- Shenzhen Grubbs Institute and Department of Chemistry, Southern University of Science and Technology, Shenzhen 518055, China
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35
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Bulandr JJ, Grabowski JP, Law CM, Shaw JL, Goodell JR, Mitchell TA. Investigation of Transfer Group, Tether Proximity, and Alkene Substitution for Intramolecular Silyloxypyrone-Based [5 + 2] Cycloadditions. J Org Chem 2019; 84:10306-10320. [PMID: 31322900 DOI: 10.1021/acs.joc.9b01479] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Systematic investigation of intramolecular silyloxypyrone-based [5 + 2] cycloadditions revealed three significant factors impacting conversion to cycloadduct: (1) the silyl transfer group has a substantial influence on the rate of reaction, and the robust t-butyldiphenylsilyl group was found to be more effective overall than the conventional t-butyldimethylsilyl group; (2) α,β-unsaturated esters were generally more reactive than terminal olefins and afforded appreciable quantity of cycloadduct even at room temperature; and (3) the proximity of the tether to the silyl transfer group revealed a critical alignment trend between the pyrone and the alkene. Taken together, these investigations provided insight regarding the steric and electronic parameters that impact the scope and limitation of these reactions.
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Affiliation(s)
- Jacob J Bulandr
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
| | - Jacob P Grabowski
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
| | - Chunyin M Law
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
| | - Jessica L Shaw
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
| | - John R Goodell
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
| | - T Andrew Mitchell
- Department of Chemistry , Illinois State University , Campus Box 4160, Normal , Illinois 61790-4160 , United States
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36
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Wu D, He Q. Polycyclic Structure Synthesis via a Three‐step “[2+
n
]” Annulation. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Dong‐Ping Wu
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
| | - Qian He
- Department of Chemistry, Fujian Provincial Key Laboratory of Chemical Biology, College of Chemistry and Chemical EngineeringXiamen University Xiamen Fujian 361005 China
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37
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Zhang J, Liao Z, Chen L, Zhu S. Rapid Access to Oxa‐Bridged Bicyclic Skeletons through Gold‐Catalyzed Tandem Rearrangement Reaction. Chemistry 2019; 25:9405-9409. [DOI: 10.1002/chem.201900807] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/12/2019] [Indexed: 01/26/2023]
Affiliation(s)
- Jiantao Zhang
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Zhehui Liao
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Lianfen Chen
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of, Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
- Guangdong Engineering Research Center for Green Fine ChemicalsSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
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38
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Zhang L, Zhang Y, Li W, Qi X. Total Synthesis of (−)‐Alstofolinine A through a Furan Oxidation/Rearrangement and Indole Nucleophilic Cyclization Cascade. Angew Chem Int Ed Engl 2019; 58:4988-4991. [DOI: 10.1002/anie.201900156] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Lei Zhang
- College of Life SciencesBeijing Normal University Beijing 100875 China
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Ye Zhang
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Wenting Li
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Xiangbing Qi
- College of Life SciencesBeijing Normal University Beijing 100875 China
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
- Tsinghua Institute of Multidisciplinary Biomedical ResearchTsinghua University Beijing 100084 China
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39
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Zhang L, Zhang Y, Li W, Qi X. Total Synthesis of (−)‐Alstofolinine A through a Furan Oxidation/Rearrangement and Indole Nucleophilic Cyclization Cascade. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900156] [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)
- Lei Zhang
- College of Life SciencesBeijing Normal University Beijing 100875 China
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Ye Zhang
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Wenting Li
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
| | - Xiangbing Qi
- College of Life SciencesBeijing Normal University Beijing 100875 China
- National Institute of Biological Sciences (NIBS) Beijing 102206 China
- Tsinghua Institute of Multidisciplinary Biomedical ResearchTsinghua University Beijing 100084 China
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40
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Sakata Y, Yasui E, Mizukami M, Nagumo S. Cascade reaction including a formal [5 + 2] cycloaddition by use of alkyne-Co2(CO)6 complex. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.01.045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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41
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Liu X, Liu J, Wu J, Huang G, Liang R, Chung LW, Li CC. Asymmetric Total Synthesis of Cerorubenic Acid-III. J Am Chem Soc 2019; 141:2872-2877. [PMID: 30721058 DOI: 10.1021/jacs.8b12647] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The first asymmetric total synthesis of the highly strained compound cerorubenic acid-III is reported. A type II intramolecular [5 + 2] cycloaddition allowed efficient and diastereoselective construction of the synthetically challenging bicyclo[4.4.1] ring system with a strained bridgehead (anti-Bredt) double bond in the final product. A unique transannular cyclization installed the vinylcyclopropane moiety with retention of the desired stereochemistry.
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Affiliation(s)
- Xin Liu
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China.,Institute of Chinese Medical Sciences , University of Macau , Macau , China
| | - Junyang Liu
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China.,Academy for Advanced Interdisciplinary Studies , Southern University of Science and Technology (SUSTech) , Shenzhen 518055 , China
| | - Jianlei Wu
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Guocheng Huang
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Rong Liang
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Lung Wa Chung
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China
| | - Chuang-Chuang Li
- Shenzhen Grubbs Institute, Department of Chemistry , Southern University of Science and Technology , Shenzhen 518055 , China
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42
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Zhao C, Glazier DA, Yang D, Yin D, Guzei IIA, Aristov MM, Liu P, Tang W. Intermolecular Regio‐ and Stereoselective Hetero‐[5+2] Cycloaddition of Oxidopyrylium Ylides and Cyclic Imines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Changgui Zhao
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
| | - Daniel A. Glazier
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Daoshan Yang
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Dan Yin
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - IIia A. Guzei
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Michael M. Aristov
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Weiping Tang
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
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43
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Appa RM, Lakshmidevi J, Siva Prasad S, Muralidhar B, Ramesh Naidu B, Narasimhulu M, Venkateswarlu K. First sonochemical, simple and solvent-free synthesis of chiral tert-butanesulfinimines using silica supported p-toluenesulfonic acid. SYNTHETIC COMMUN 2019. [DOI: 10.1080/00397911.2018.1540047] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Rama Moorthy Appa
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
| | - Jangam Lakshmidevi
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
| | - Sana Siva Prasad
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
| | - Baitinti Muralidhar
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology , Vellore , India
| | - Bandameeda Ramesh Naidu
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
| | - Manchala Narasimhulu
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
| | - Katta Venkateswarlu
- Laboratory for Synthetic and Natural Products Chemistry, Department of Chemistry, Yogi Vemana University , Kadapa , India
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44
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Fan JH, Hu YJ, Guo Q, Li S, Zhao J, Li CC. Asymmetric synthesis of the tetracyclic core of bufogargarizin C by an intramolecular [5 + 2] cycloaddition. Org Chem Front 2019. [DOI: 10.1039/c8qo01089g] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A concise asymmetric synthesis of the synthetically challenging 7/5/6/5-tetracyclic core of bufogargarizin C by a unique intramolecular [5 + 2] cycloaddition was reported.
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Affiliation(s)
- Jian-Hong Fan
- Institute of Chinese Medical Sciences
- University of Macau
- Macau
- China
- Shenzhen Grubbs Institute and Department of Chemistry
| | - Ya-Jian Hu
- Institute of Chinese Medical Sciences
- University of Macau
- Macau
- China
- Shenzhen Grubbs Institute and Department of Chemistry
| | - Qiang Guo
- Shenzhen Grubbs Institute and Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Shaoping Li
- Institute of Chinese Medical Sciences
- University of Macau
- Macau
- China
| | - Jing Zhao
- Institute of Chinese Medical Sciences
- University of Macau
- Macau
- China
| | - Chuang-Chuang Li
- Shenzhen Grubbs Institute and Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
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45
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He S, Yang M, Kang L. Chemoselectivity-Tunable [5 + 2] Cycloadditions of Allenamides and Oxidopyryliums. HETEROCYCLES 2019. [DOI: 10.3987/com-19-14180] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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46
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Gao K, Zhang YG, Wang Z, Ding H. Recent development on the [5+2] cycloadditions and their application in natural product synthesis. Chem Commun (Camb) 2019; 55:1859-1878. [DOI: 10.1039/c8cc09077g] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The recent developments on the [5+2] cycloadditions and their application in the synthesis of complex natural products are discussed.
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Affiliation(s)
- Kai Gao
- Institute of Medicinal Natural Products
- School of Advanced Study
- Taizhou University
- Taizhou 318000
- P. R. China
| | - Yong-Gang Zhang
- Institute of Medicinal Natural Products
- School of Advanced Study
- Taizhou University
- Taizhou 318000
- P. R. China
| | - Zhiming Wang
- Institute of Medicinal Natural Products
- School of Advanced Study
- Taizhou University
- Taizhou 318000
- P. R. China
| | - Hanfeng Ding
- Institute of Medicinal Natural Products
- School of Advanced Study
- Taizhou University
- Taizhou 318000
- P. R. China
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47
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Zhao C, Glazier DA, Yang D, Yin D, Guzei IIA, Aristov MM, Liu P, Tang W. Intermolecular Regio‐ and Stereoselective Hetero‐[5+2] Cycloaddition of Oxidopyrylium Ylides and Cyclic Imines. Angew Chem Int Ed Engl 2018; 58:887-891. [DOI: 10.1002/anie.201811896] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/19/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Changgui Zhao
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
| | - Daniel A. Glazier
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Daoshan Yang
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
- State Key Laboratory Base of Eco-Chemical Engineering College of Chemistry and Molecular Engineering Qingdao University of Science and Technology Qingdao 266042 China
| | - Dan Yin
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - IIia A. Guzei
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Michael M. Aristov
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Weiping Tang
- School of Pharmacy University of Wisconsin-Madison Madison WI 53705 USA
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
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48
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Kaufman RH, Law CM, Simanis JA, Woodall EL, Zwick CR, Wedler HB, Wendelboe P, Hamaker CG, Goodell JR, Tantillo DJ, Mitchell TA. Oxidopyrylium-Alkene [5 + 2] Cycloaddition Conjugate Addition Cascade (C3) Sequences: Scope, Limitation, and Computational Investigations. J Org Chem 2018; 83:9818-9838. [DOI: 10.1021/acs.joc.8b01322] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Riley H. Kaufman
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Chunyin M. Law
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Justin A. Simanis
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Erica L. Woodall
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Christian R. Zwick
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Henry B. Wedler
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California 95616, United States
| | - Paul Wendelboe
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California 95616, United States
| | - Christopher G. Hamaker
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - John R. Goodell
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
| | - Dean J. Tantillo
- Department of Chemistry, University of California, Davis, 1 Shields Avenue, Davis, California 95616, United States
| | - T. Andrew Mitchell
- Department of Chemistry, Illinois State University, Campus Box 4160, Normal, Illinois 61790-4160, United States
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49
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Bejcek LP, Murelli RP. Oxidopyrylium [5+2] Cycloaddition Chemistry: Historical Perspective and Recent Advances (2008-2018). Tetrahedron 2018; 74:2501-2521. [PMID: 30455508 PMCID: PMC6238658 DOI: 10.1016/j.tet.2018.04.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Lauren P Bejcek
- Department of Chemistry, Brooklyn College, City University of New York, Brooklyn, NY, Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY
| | - Ryan P Murelli
- Department of Chemistry, Brooklyn College, City University of New York, Brooklyn, NY, Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, NY
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50
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Liu Y, Wang X, Chen S, Fu S, Liu B. Iron-Catalyzed Intramolecular Perezone-Type [5 + 2] Cycloaddition: Access to Tricyclo[6.3.1.01,6]dodecane. Org Lett 2018; 20:2934-2938. [DOI: 10.1021/acs.orglett.8b00989] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yongjiang Liu
- Key Laboratory of Green Chemistry &Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xiao Wang
- Key Laboratory of Green Chemistry &Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Song Chen
- Key Laboratory of Green Chemistry &Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Shaomin Fu
- Key Laboratory of Green Chemistry &Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Bo Liu
- Key Laboratory of Green Chemistry &Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
- State key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
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