1
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Gao X, Han TJ, Li BB, Hou XX, Hua YZ, Jia SK, Xiao X, Wang MC, Wei D, Mei GJ. Catalytic asymmetric dearomatization of phenols via divergent intermolecular (3 + 2) and alkylation reactions. Nat Commun 2023; 14:5189. [PMID: 37626030 PMCID: PMC10457327 DOI: 10.1038/s41467-023-40891-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
The catalytic asymmetric dearomatization (CADA) reaction has proved to be a powerful protocol for rapid assembly of valuable three-dimensional cyclic compounds from readily available planar aromatics. In contrast to the well-studied indoles and naphthols, phenols have been considered challenging substrates for intermolecular CADA reactions due to the combination of strong aromaticity and potential regioselectivity issue over the multiple nucleophilic sites (O, C2 as well as C4). Reported herein are the chiral phosphoric acid-catalyzed divergent intermolecular CADA reactions of common phenols with azoalkenes, which deliver the tetrahydroindolone and cyclohexadienone products bearing an all-carbon quaternary stereogenic center in good yields with excellent ee values. Notably, simply adjusting the reaction temperature leads to the chemo-divergent intermolecular (3 + 2) and alkylation dearomatization reactions. Moreover, the stereo-divergent synthesis of four possible stereoisomers in a kind has been achieved via changing the sequence of catalyst enantiomers.
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Affiliation(s)
- Xiang Gao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Tian-Jiao Han
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Bei-Bei Li
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Xiao-Xiao Hou
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Yuan-Zhao Hua
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Shi-Kun Jia
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Xiao Xiao
- Institute of Pharmaceutical Science and Technology, Zhejiang University of Technology, Hangzhou, 310014, People's Republic of China
| | - Min-Can Wang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Donghui Wei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China
| | - Guang-Jian Mei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, People's Republic of China.
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2
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Jiang DF, Qi Z, Li D, Wen SM, Liu Z, Hao WJ, Jiang B. PhI(OAc) 2-mediated aminoacyloxylation of β,γ-unsaturated hydrazones using Togni reagent II as an acyloxyl precursor. Org Biomol Chem 2023; 21:6757-6761. [PMID: 37615101 DOI: 10.1039/d3ob01125a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
A metal-free protocol for the direct construction of C(sp2)-N and C-O bonds via a PhI(OAc)2-mediated dehydrogenative aminoacyloxylation of β,γ-unsaturated hydrazones with Togni reagent II is reported. Initiated by the carboxyl-containing species generated in situ from Togni reagent II, this method offers a new solution for regioselective functionalization at a remote site on β,γ-unsaturated hydrazones, thus providing a straightforward method for the synthesis of acyloxyl-substituted pyridazines. This reaction features a broad substrate scope and mild conditions.
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Affiliation(s)
- Dong-Fang Jiang
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China.
| | - Zhenjie Qi
- Department of Engineering, Jining University, Qufu, Shandong, 273155, P. R. China.
| | - Dengfeng Li
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China.
| | - Si-Miaomiao Wen
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China.
| | - Zhao Liu
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China.
| | - Wen-Juan Hao
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China.
| | - Bo Jiang
- School of Chemistry & Chemical Engineering, Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials, Jiangsu Normal University, Xuzhou 221116, P. R. China.
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3
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Mo NN, Miao YH, Xiao X, Hua YZ, Wang MC, Huang L, Mei GJ. Catalytic asymmetric de novo construction of 4-pyrrolin-2-ones via intermolecular formal [3+2] cycloaddition of azoalkenes with azlactones. Chem Commun (Camb) 2023; 59:5902-5905. [PMID: 37097750 DOI: 10.1039/d3cc01194a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
The chiral phosphoric acid-catalyzed asymmetric intermolecular formal [3+2] cycloaddition of azoalkenes with azlactones has been established. This convergent protocol leads to a facile and enantioselective de novo construction of a wide range of fully substituted 4-pyrrolin-2-ones bearing a fully substituted carbon atom in good yields and with excellent enantioselectivities (26 examples, 72-95% yields and 87-99% ee).
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Affiliation(s)
- Nan-Nan Mo
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Yu-Hang Miao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Xiao Xiao
- Institute of Pharmaceutical Science and Technology, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China
| | - Yuan-Zhao Hua
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Min-Can Wang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Lihua Huang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Guang-Jian Mei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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4
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Yang FY, Han TJ, Jia SK, Wang MC, Mei GJ. Catalytic [2,3]-sigmatropic rearrangement of sulfonium ylides derived from azoalkenes: non-carbenoid Doyle-Kirmse reaction. Chem Commun (Camb) 2023; 59:3107-3110. [PMID: 36808428 DOI: 10.1039/d3cc00160a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023]
Abstract
The Sc(III)-catalyzed [2,3]-sigmatropic rearrangement of sulfonium ylides derived from azoalkenes has been established. Owing to the absence of a carbenoid intermediate, this protocol represents the first non-carbenoid variant of the Doyle-Kirmse reaction. Under mild conditions, a variety of tertiary thioethers have been readily prepared in good to excellent yields.
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Affiliation(s)
- Fu-Yuan Yang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Tian-Jiao Han
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Shi-Kun Jia
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Min-Can Wang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Guang-Jian Mei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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5
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Manna SK, Giri S, Mondal S, Sana RN, Samal AK, Mandal A. A Detailed Review on
C
‐Fused Furan/3,4‐Fused Furan Analog and its Potential Applications. ChemistrySelect 2023. [DOI: 10.1002/slct.202203150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
| | - Soumen Giri
- Department of Chemistry C.V. Raman Global University Bhubaneswar 752054 India
| | - Sampa Mondal
- Department of Chemistry Bidhannagar College Kolkata 700064 India
| | | | - Aroop Kumar Samal
- Department of Chemistry C.V. Raman Global University Bhubaneswar 752054 India
| | - Arabinda Mandal
- Department of Chemistry Bidhannagar College Kolkata 700064 India
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6
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Miao YH, Hua YZ, Gao HJ, Mo NN, Wang MC, Mei GJ. Catalytic asymmetric inverse-electron-demand aza-Diels-Alder reaction of 1,3-diazadienes with 3-vinylindoles. Chem Commun (Camb) 2022; 58:7515-7518. [PMID: 35687078 DOI: 10.1039/d2cc02458f] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A facile chiral phosphoric-acid catalyzed asymmetric inverse-electron-demand aza-Diels-Alder reaction of 1,3-diazadienes with 3-vinylindoles was established. By using this mild and practical protocol, a broad range of benzothiazolopyrimidines with three contiguous stereogenic centers were prepared in good yields and excellent diastereo- and enantio-selectivities (43 examples, up to 83% yield, >99% ee and all >20 : 1 dr). A plausible concerted reaction pathway enabled by the dual hydrogen-bonding effect was proposed to account for the observed excellent enantioselectivity and specific trans-trans diastereoselectivity.
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Affiliation(s)
- Yu-Hang Miao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Yuan-Zhao Hua
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Hao-Jie Gao
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Nan-Nan Mo
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Min-Can Wang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
| | - Guang-Jian Mei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, China.
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7
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Diastereodivergent formal [4 + 1] cycloaddition of azoalkenes as one-carbon synthons. GREEN SYNTHESIS AND CATALYSIS 2022. [DOI: 10.1016/j.gresc.2022.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
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8
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Pang Q, Zhou J, Wu Y, Zhou WJ, Zuo WF, Zhan G, Han B. Construction of Oxo-Bridged Diazocines via Rhodium-Catalyzed (4+3) Cycloaddition of Carbonyl Ylides with Azoalkenes. Org Lett 2022; 24:1362-1366. [PMID: 35119868 DOI: 10.1021/acs.orglett.2c00076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Developing efficient strategies for synthesizing novel diazocine compounds is valuable because their use has been limited by their synthetic accessibility. This work describes the catalytic (4+3) cycloaddition reaction of carbonyl ylides with azoalkenes generated in situ. The rhodium-catalyzed cascade reaction features good atom and step economy, providing the first access to oxo-bridged diazocines. The product could be synthesized on a gram scale and converted into diversely substituted dihydroisobenzofurans.
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Affiliation(s)
- Qiwen Pang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Jin Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Yuling Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Wu-Jingyun Zhou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Wei-Fang Zuo
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Gu Zhan
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
| | - Bo Han
- State Key Laboratory of Southwestern Chinese Medicine Resources, Hospital of Chengdu University of Traditional Chinese Medicine, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P. R. China
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9
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Tian HZ, Tang QG, Lin GQ, Sun XW. Asymmetric synthesis of chiral 1,2-oxazinane and hexahydropyridazin spirocyclic scaffolds by organocatalytic [4 + 2] cycloaddition. RSC Adv 2022; 12:15713-15717. [PMID: 35685709 PMCID: PMC9128346 DOI: 10.1039/d2ra02759c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 05/16/2022] [Indexed: 11/21/2022] Open
Abstract
A novel approach to synthesize chiral 1,2-oxazinane spirocyclic scaffolds by organocatalytic [4 + 2] cycloaddition reaction between methyleneindolinones and γ-aminooxy-α,β-unsaturated ester has been disclosed. Furthermore, a hydrazide 1,4-synthon is designed and synthesized to construct chiral hexahydropyridazin spirocyclic scaffolds with methyleneindolinones via [4 + 2] cycloaddition reaction. Both reactions give corresponding products in good to excellent yield, excellent diastereoselectivity and good enantioselectivity. Chiral 1,2-oxazinane spiro-oxindole and chiral hexahydropyridazin spiro-oxindole skeletons are made through asymmetric organocatalytic reactions. Corresponding products were produced in good to excellent yield, excellent diastereoselectivity and good enantioselectivity.![]()
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Affiliation(s)
- Heng-Zhi Tian
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Qing-Gang Tang
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Guo-Qiang Lin
- Department of Chemistry, Fudan University, Shanghai 200433, China
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Xing-Wen Sun
- Department of Chemistry, Fudan University, Shanghai 200433, China
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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10
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Shen LW, Li TT, You Y, Zhao JQ, Wang ZH, Yuan WC. Inverse Electron-Demand Aza-Diels-Alder Reaction of Cyclic Enamides with 1,2-Diaza-1,3-dienes in Situ Generated from α-Halogeno Hydrazones: Access to Fused Polycyclic Tetrahydropyridazine Derivatives. J Org Chem 2021; 86:11472-11481. [PMID: 34343003 DOI: 10.1021/acs.joc.1c00993] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
An efficient inverse electron-demand aza-Diels-Alder reaction of cyclic enamides and 1,2-diaza-1,3-dienes, which could be readily formed in situ from α-halogeno hydrazones and a base, has been successfully developed. With the developed approach, a wide range of fused polycyclic tetrahydropyridazines were smoothly obtained in up to 99% yield under benign reaction conditions. This reaction concept was also extended to acyclic enamide substrates for accessing 1,4,5,6-tetrahydropyridazines. A gram-scale experiment and further derivatizations of the polycyclic tetrahydropyridazine products were also conducted to verify the practicability of the methodology.
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Affiliation(s)
- Li-Wen Shen
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.,Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ting-Ting Li
- National Engineering Research Center of Chiral Drugs, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China.,Institute for Advanced Study, Chengdu University, Chengdu 610106, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yong You
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Jian-Qiang Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Zhen-Hua Wang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
| | - Wei-Cheng Yuan
- Institute for Advanced Study, Chengdu University, Chengdu 610106, China
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11
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Connon R, Roche B, Rokade BV, Guiry PJ. Further Developments and Applications of Oxazoline-Containing Ligands in Asymmetric Catalysis. Chem Rev 2021; 121:6373-6521. [PMID: 34019404 PMCID: PMC8277118 DOI: 10.1021/acs.chemrev.0c00844] [Citation(s) in RCA: 63] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Indexed: 12/27/2022]
Abstract
The chiral oxazoline motif is present in many ligands that have been extensively applied in a series of important metal-catalyzed enantioselective reactions. This Review aims to provide a comprehensive overview of the most significant applications of oxazoline-containing ligands reported in the literature starting from 2009 until the end of 2018. The ligands are classified not by the reaction to which their metal complexes have been applied but by the nature of the denticity, chirality, and donor atoms involved. As a result, the continued development of ligand architectural design from mono(oxazolines), to bis(oxazolines), to tris(oxazolines) and tetra(oxazolines) and variations thereof can be more easily monitored by the reader. In addition, the key transition states of selected asymmetric transformations will be given to illustrate the features that give rise to high levels of asymmetric induction. As a further aid to the reader, we summarize the majority of schemes with representative examples that highlight the variation in % yields and % ees for carefully selected substrates. This Review should be of particular interest to the experts in the field but also serve as a useful starting point to new researchers in this area. It is hoped that this Review will stimulate both the development/design of new ligands and their applications in novel metal-catalyzed asymmetric transformations.
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Affiliation(s)
- Robert Connon
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Brendan Roche
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
| | - Balaji V. Rokade
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
| | - Patrick J. Guiry
- Synthesis
and Solid State Pharmaceutical Centre, Centre for Synthesis and Chemical
Biology, School of Chemistry, University
College Dublin, Dublin
4, Ireland
- BiOrbic
Research Centre, Centre for Synthesis and Chemical Biology, School
of Chemistry, University College Dublin, Dublin 4, Ireland
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12
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Xu H, Ye R, Li Z, Han M, Meng L. Multicomponent Assembly of α,α‐Bis‐Sulfonyl Arylketones and Multiple Substituted Conjugated Dienes Induced by Visible‐Light Irradiation without Additives and Photocatalysts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Hailong Xu
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ruyi Ye
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ziyang Li
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Man‐Yi Han
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
| | - Ling‐Guo Meng
- Key Laboratory of Green and Precise Synthetic Chemistry and Applications Ministry of Education School of Chemistry and Materials Science Huaibei Normal University Huaibei, Anhui 235000 People's Republic of China
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13
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Zhu S, Li H, Fu R, Hao W, Wang S, Tu S, Jiang B. Regio‐ and Stereoselective Synthesis of Rotationally Hindered C
12
‐Naphthylated Tribenzo[
a,c,j
]xanthenes through Catalytic Tricyclization of Yne‐Allenones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Shan‐Shan Zhu
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Heng Li
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Rong Fu
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Wen‐Juan Hao
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Shu‐Liang Wang
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Shu‐Jiang Tu
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
| | - Bo Jiang
- School of Chemistry and Material Science Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials Jiangsu Normal University Xuzhou 211116 People's Republic of China
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14
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Vinogradov MG, Turova OV, Zlotin SG. Catalytic Asymmetric Aza‐Diels‐Alder Reaction: Pivotal Milestones and Recent Applications to Synthesis of Nitrogen‐Containing Heterocycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001307] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Maxim G. Vinogradov
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
| | - Olga V. Turova
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
| | - Sergei G. Zlotin
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
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15
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Li NK, Sun BB, Chen JB, Yang HD, Wang BL, Yu JQ, Wang XW, Wang Z. Box-copper catalyzed asymmetric inverse-electron-demand oxa-hetero-Diels–Alder reaction for efficient synthesis of spiro pyranyl-oxindole derivatives. Org Chem Front 2021. [DOI: 10.1039/d0qo01407a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A chiral Box/Cu catalyzed asymmetric IEDDA reaction between isatin-derived β,γ-unsaturated α-ketoesters and electron-rich olefins was developed, which provided chiral spiro oxindole-pyrans in excellent yields with excellent stereoselectivities.
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Affiliation(s)
- Nai-Kai Li
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Bing-Bing Sun
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Jun-Bo Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Hao-Di Yang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Bai-Lin Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Jie-Qiang Yu
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Xing-Wang Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province
- College of Chemistry
- Chemical Engineering and Materials Science Soochow University
- Suzhou 215123
- China
| | - Zheng Wang
- State Key Laboratory of Organometallic Chemistry
- Center for Excellence in Molecular Synthesis
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
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16
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Zhang X, Pan Y, Wang H, Liang C, Ma X, Jiao W, Shao H. Strategy to Construct 1,2,3‐Triazoles by K
2
CO
3
‐Mediated [4+1] Annulation Reactions of
N
‐Acetyl Hydrazones with Bifunctional Amino Reagents. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001375] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xiaoke Zhang
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
- Zunyi Medical University Zunyi Guizhou People's Republic of China
- University of Chinese Academy of Sciences People's Republic of China
| | - Yang Pan
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
- University of Chinese Academy of Sciences People's Republic of China
| | - Haibo Wang
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
- Zhejiang Hongyuan Pharmaceutical Co., Ltd. Chem & APIs. Industrial Zone, Linhai Taizhou Zhejiang People's Republic of China
- University of Chinese Academy of Sciences People's Republic of China
| | - Chong Liang
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
| | - Xiaofeng Ma
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
| | - Wei Jiao
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
| | - Huawu Shao
- Natural Products Research Centre,Chengdu Institute of Biology Chinese Academy of Sciences Chengdu People's Republic of China
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17
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Li Z, Li S, Kan T, Wang X, Xin X, Hou Y, Gong P. Silver(I)‐ and Base‐Mediated formal [4+3] Cycloaddition of
in Situ
generated 1,2‐Diaza‐1,3‐dienes with
C,N
‐Cyclic Azomethine Imines: An Efficient Protocol for the Synthesis of Tetrazepine Derivatives. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000398] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zefei Li
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Shuaikang Li
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Tianjiao Kan
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Xinyue Wang
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Xin Xin
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Yunlei Hou
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
| | - Ping Gong
- School of Pharmaceutical EngineeringShenyang Pharmaceutical University 103 Wenhua Road, Shenhe District Shenyang 110016 People's Republic of China
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18
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Catalytic Asymmetric Formal [3+2] Cycloaddition of Azoalkenes with 3-Vinylindoles: Synthesis of 2,3-Dihydropyrroles. iScience 2020; 23:100873. [PMID: 32062452 PMCID: PMC7021545 DOI: 10.1016/j.isci.2020.100873] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/13/2020] [Accepted: 01/27/2020] [Indexed: 12/17/2022] Open
Abstract
Chiral phosphoric acid-catalyzed highly enantioselective formal [3 + 2] cycloaddition reaction of azoalkenes with 3-vinylindoles has been established. Under mild conditions, the projected cycloaddition proceeded smoothly, affording a variety of 2,3-dihydropyrroles in high yields and excellent enantioselectivities, and also in a diastereospecific manner. As opposed to the common 4-atom synthons in the previous literature reports, azoalkenes served as 3-atom synthons. Besides, the observed selectivity was supported by primary theoretical calculation. The unique chemistry of azoalkenes disclosed herein will empower asymmetric synthesis of nitrogen-containing ring structural motifs in a broader context. Chiral phosphoric acid catalyzed formal [3 + 2] cycloaddition reaction 2,3-Dihydropyrroles were enantioselectively synthesized Azoalkenes served as 3-atom synthons
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19
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Duan L, Wang X, Gu Y, Hou Y, Gong P. Regioselective construction of pyridazine and tetrahydrocinnoline derivatives via [4 + 2] cycloaddition–elimination with α-halogeno hydrazones and enaminones. Org Chem Front 2020. [DOI: 10.1039/d0qo00555j] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Herein, we report the de novo construction of pyridazine scaffolds via a [4 + 2] cycloaddition–elimination reaction with α-halogeno hydrazones and enaminones.
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Affiliation(s)
- Liancheng Duan
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- China
| | - Xin Wang
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- China
| | - Yucheng Gu
- Syngenta Jealott's Hill International Research Center
- Berkshire RG42 6EY
- UK
| | - Yunlei Hou
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- China
| | - Ping Gong
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- Shenyang
- China
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20
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Pirovano V, Abbiati G, Brambilla E, Rossi E. Vinyl‐/Furoindoles and Gold Catalysis: New Achievements and Future Perspectives for the Synthesis of Complex Indole Derivatives. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201901044] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Valentina Pirovano
- Sezione di Chimica Generale e Organica “A. Marchesini” Dipartimento di Scienze Farmaceutiche 21, Via Venezian 20133 Milano Italy
| | - Giorgio Abbiati
- Sezione di Chimica Generale e Organica “A. Marchesini” Dipartimento di Scienze Farmaceutiche 21, Via Venezian 20133 Milano Italy
| | - Elisa Brambilla
- Sezione di Chimica Generale e Organica “A. Marchesini” Dipartimento di Scienze Farmaceutiche 21, Via Venezian 20133 Milano Italy
| | - Elisabetta Rossi
- Sezione di Chimica Generale e Organica “A. Marchesini” Dipartimento di Scienze Farmaceutiche 21, Via Venezian 20133 Milano Italy
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21
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Mei G, Tang X, Tasdan Y, Lu Y. Enantioselective Dearomatization of Indoles by an Azoalkene‐Enabled (3+2) Reaction: Access to Pyrroloindolines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911686] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Guang‐Jian Mei
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Xiwen Tang
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Yildiz Tasdan
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
| | - Yixin Lu
- Department of ChemistryNational University of Singapore 3 Science Drive 3 117543 Singapore Singapore
- Joint School of National University of Singapore and Tianjin University International Campus of Tianjin University, Binhai New City Fuzhou Fujian 359297 P. R. China
- National University of Singapore (Suzhou) Research Institute 377 Lin Quan Street, Suzhou Industrial Park Suzhou Jiangsu 215123 P. R. China
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22
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Mei GJ, Tang X, Tasdan Y, Lu Y. Enantioselective Dearomatization of Indoles by an Azoalkene-Enabled (3+2) Reaction: Access to Pyrroloindolines. Angew Chem Int Ed Engl 2019; 59:648-652. [PMID: 31592562 DOI: 10.1002/anie.201911686] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/01/2019] [Indexed: 01/14/2023]
Abstract
The enantioselective dearomatization of indoles by an organocatalytic (3+2) reaction has been established. The reaction makes use of simple indole derivatives as substrates, and employs azoalkenes reaction partners. A wide range of pyrroloindolines containing an all-carbon quaternary stereogenic center were readily prepared in high yields and with excellent enantioselectivities.
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Affiliation(s)
- Guang-Jian Mei
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Xiwen Tang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yildiz Tasdan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore
| | - Yixin Lu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, 117543, Singapore, Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou, Fujian, 359297, P. R. China.,National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu, 215123, P. R. China
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23
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Sun BB, Hu QX, Hu JM, Yu JQ, Jia J, Wang XW. Asymmetric [4+2] cycloaddition of azlactones with dipolar copper–allenylidene intermediates for chiral 3,4-dhydroquinolin-2-one derivatives. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.06.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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24
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Zhang Y, Cao Y, Lu L, Zhang S, Bao W, Huang S, Rao Y. Perylenequinonoid-Catalyzed [4 + 1] and [4 + 2] Annulations of Azoalkenes: Photocatalytic Access to 1,2,3-Thiadiazole/1,4,5,6-Tetrahydropyridazine Derivatives. J Org Chem 2019; 84:7711-7721. [PMID: 31117482 DOI: 10.1021/acs.joc.9b00545] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Nitrogen-containing heterocycles are especially considered "privileged" structural scaffolds for the development of new drugs. However, traditional methods of organic synthesis are mainly based on thermal cycloaddition reaction; thus, the exploration of new strategies for the rapid assembly of N-heterocycles under mild conditions is highly desirable. Here, we developed a new method that visible light along with 1 mol % cercosporin, which is one of the perylenequinonoid pigments with excellent properties of photosensitization and can be easily produced by a new isolated endophytic fungus Cercospora sp. JNU001 strain with high yield through microbial fermentation, catalyzes the synthesis of 1,2,3-thiadiazoles and 1,4,5,6-tetrahydropyridazines by a photocatalytic process with good regioselectivity and broad functional-group compatibility under mild conditions. Thus, a bridge between microbial fermentation and organic photocatalysis for the construction of nitrogen-containing heterocycles was set up in a sustainable, environmentally friendly manner.
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Affiliation(s)
| | | | | | | | | | - Shuping Huang
- College of Chemistry , Fuzhou University, Fuzhou , Fujian 350108 , P. R. China
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25
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Hu S, Du S, Yang Z, Ni L, Chen Z. Synthesis of Multi‐substituted Dihydropyrazoles by Copper‐Mediated [4+1] Cycloaddition Reaction of
N
‐Sulfonylhydrazones and Sulfoxonium Ylides. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900212] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Sipei Hu
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Shiying Du
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Zuguang Yang
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Lingfang Ni
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
| | - Zhengkai Chen
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 People's Republic of China
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26
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Chen Z, Meng L, Ding Z, Hu J. Construction of Versatile N-Heterocycles from in situ Generated 1,2-Diaza-1,3-dienes. CURR ORG CHEM 2019. [DOI: 10.2174/1385272823666190227162840] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
N-Heterocyclic architectures are omnipresent in many bioactive natural
products, synthetic drugs, and materials science, thus have evoked a vast research interest
of academic, as well as industrial chemists. Recently, several efficient methods have been
developed for the preparation of various nitrogen-containing compounds with in situ generated
1,2-diaza-1,3-dienes from the easily available precursors including α -haloketohydrazones,
α-hydroxyl ketohydrazones, thiadiazole dioxides or their analogues, and
other simple hydrazones. These methods are considered powerful tools in the synthesis of
five-, six- and seven-membered ring heterocyclic compounds with good to excellent levels
of conversions and selectivities. This review mainly summarizes recent advances on the
chemistry of construction of versatile N-heterocycles from in situ generated 1,2-diaza-1,3-
dienes and presents an extensive summary of the application scopes and limitations of the corresponding cyclization
reactions. Moreover, enantioselective approaches are also covered.
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Affiliation(s)
- Zhangpei Chen
- Center for Molecular Science and Engineering, Northeastern University, Shenyang 110819, China
| | - Lingxin Meng
- Center for Molecular Science and Engineering, Northeastern University, Shenyang 110819, China
| | - Zhiqiang Ding
- Center for Molecular Science and Engineering, Northeastern University, Shenyang 110819, China
| | - Jianshe Hu
- Center for Molecular Science and Engineering, Northeastern University, Shenyang 110819, China
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27
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Huang L, Cai Y, Zhang HJ, Zheng C, Dai LX, You SL. Highly Diastereo- and Enantioselective Synthesis of Quinuclidine Derivatives by an Iridium-Catalyzed Intramolecular Allylic Dearomatization Reaction. CCS CHEMISTRY 2019. [DOI: 10.31635/ccschem.019.20180006] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Asymmetric construction of quinuclidine derivatives has been realized by an iridium-catalyzed allylic dearomatization reaction. The catalytic system, derived from [Ir(cod)Cl] 2 and the Feringa ligand, tolerates a broad range of substrates. A large array of quinuclidine derivatives can be obtained under mild conditions in good to excellent yields (68%–96%), diastereoselectivity (up to >20/1 dr), and enantioselectivity (up to >99% ee). These products feature versatile functional group diversity and can undergo diverse transformations. A model that accounts for the origin of the stereoselectivity has been proposed based on density functional theory (DFT) calculations.
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Affiliation(s)
- Lin Huang
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
| | - Yue Cai
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
| | - Hui-Jun Zhang
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
| | - Chao Zheng
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
| | - Li-Xin Dai
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
| | - Shu-Li You
- Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences
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28
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Cherian RM, Harry NA, Saranya S, Rohit KR, Anilkumar G. Copper-Catalysed Multicomponent Syntheses of Heterocycles. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201800619] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Reeba Mary Cherian
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
| | - Nissy Ann Harry
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
| | - Salim Saranya
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
| | - K. R. Rohit
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences; Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
- Advanced Molecular Materials Research Centre (AMMRC); Mahatma Gandhi University; Priyadarsini Hills P O Kottayam, Kerala INDIA 686560
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29
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Wei L, Shen C, Hu YZ, Tao HY, Wang CJ. Enantioselective synthesis of multi-nitrogen-containing heterocycles using azoalkenes as key intermediates. Chem Commun (Camb) 2019; 55:6672-6684. [PMID: 31134230 DOI: 10.1039/c9cc02371b] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Chiral multi-nitrogen-containing heterocycles, such as pyrazole, imidazole and pyridazine, are widely found in naturally occurring organic compounds and pharmaceuticals, and hence, their stereoselective and efficient synthesis is an important issue in organic synthesis. Out of the variety of methods that have been developed over the past century, the catalytic asymmetric cyclization and cycloaddition reactions are recognized as the most synthetically useful strategies due to their step-, atom- and redox-economic nature. In particular, the recently developed annulation reactions using azoalkenes as key intermediates show their great ability to construct diverse types of multi-nitrogen-containing heterocycles. In this feature article, we critically analyse the strategic development and the efficient transformation of azoalkenes to chiral heterocycles and α-functionalized ketone derivatives since 2010. The plausible mechanism for each reaction model is also discussed.
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Affiliation(s)
- Liang Wei
- Engineering Research Center of Organosilicon Compounds & Materials, Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
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30
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Yang XH, Li JP, Wang DC, Xie MS, Qu GR, Guo HM. Enantioselective dearomative [3+2] cycloaddition of 2-nitrobenzofurans with aldehyde-derived Morita–Baylis–Hillman carbonates. Chem Commun (Camb) 2019; 55:9144-9147. [DOI: 10.1039/c9cc04542b] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The phosphine-catalyzed asymmetric dearomative [3+2] cycloaddition of 2-nitrobenzofurans with aldehyde-derived MBH carbonates or allenoates was developed.
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Affiliation(s)
- Xin-He Yang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
| | - Jian-Ping Li
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
| | - Dong-Chao Wang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
| | - Ming-Sheng Xie
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
| | - Gui-Rong Qu
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
| | - Hai-Ming Guo
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation
- Key Laboratory of Green Chemical Media and Reactions
- Ministry of Education
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals
- School of Chemistry and Chemical Engineering
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31
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Lopes SMM, Cardoso AL, Lemos A, Pinho E Melo TMVD. Recent Advances in the Chemistry of Conjugated Nitrosoalkenes and Azoalkenes. Chem Rev 2018; 118:11324-11352. [PMID: 30495939 DOI: 10.1021/acs.chemrev.8b00375] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This review aims to present the most recent contributions in the chemistry of nitrosoalkenes and azoalkenes, highlighting the chemical behavior that makes them important and versatile building blocks in organic synthesis. These are heterodienes used in the assembly of a variety of heterocyclic systems, spanning from five- to seven-membered heterocycles, as well as for the functionalization of heterocycles.
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Affiliation(s)
- Susana M M Lopes
- CQC and Department of Chemistry , University of Coimbra , 3004-535 Coimbra , Portugal
| | - Ana L Cardoso
- CQC and Department of Chemistry , University of Coimbra , 3004-535 Coimbra , Portugal
| | - Américo Lemos
- Centro de Investigação em Química do Algarve, Faculdade de Ciências e Tecnologia , University of Algarve , Campus de Gambelas, 8005-139 Faro , Portugal
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32
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Shen YB, Li SS, Wang L, An XD, Liu Q, Liu X, Xiao J. Organocatalytic Dearomative [4 + 2] Cycloadditions of Biomass-Derived 2,5-Dimethylfuran with ortho-Quinone Methides: Access to Multisubstituted Chromanes. Org Lett 2018; 20:6069-6073. [PMID: 30212223 DOI: 10.1021/acs.orglett.8b02448] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The organocatalytic dearomative [4 + 2] cycloadditions of biomass-derived 2,5-dimethylfuran with ortho-quinone methides were developed, affording two diffferent types of multisubstituted chromanes in high yields and excellent diastereoselectivities. The controllable synthesis of these two types of multisubstituted chromanes could be achieved by succinctly varying the reaction conditions.
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Affiliation(s)
- Yao-Bin Shen
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Shuai-Shuai Li
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Xiao-De An
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , China
| | - Qing Liu
- College of Chemical and Environmental Engineering , Shandong University of Science and Technology , Qingdao 266590 , China
| | - Xicheng Liu
- College of Chemistry and Chemical Engineering , Qufu Normal University , Qufu 273165 , China
| | - Jian Xiao
- College of Chemistry and Pharmaceutical Sciences , Qingdao Agricultural University , Qingdao 266109 , China
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33
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Liu BB, Bai HW, Liu H, Wang SY, Ji SJ. Cascade Trisulfur Radical Anion (S3•–) Addition/Electron Detosylation Process for the Synthesis of 1,2,3-Thiadiazoles and Isothiazoles. J Org Chem 2018; 83:10281-10288. [DOI: 10.1021/acs.joc.8b01450] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Bei-Bei Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
| | - Hui-Wen Bai
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
| | - Huan Liu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
| | - Shun-Yi Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
| | - Shun-Jun Ji
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, People’s Republic of China
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34
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Jia S, Chen Z, Zhang N, Tan Y, Liu Y, Deng J, Yan H. Organocatalytic Enantioselective Construction of Axially Chiral Sulfone-Containing Styrenes. J Am Chem Soc 2018; 140:7056-7060. [DOI: 10.1021/jacs.8b03211] [Citation(s) in RCA: 148] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Shiqi Jia
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Zhili Chen
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Nan Zhang
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Yu Tan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Yidong Liu
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Jun Deng
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
| | - Hailong Yan
- Chongqing Key Laboratory of Natural Product Synthesis and Drug Research, School of Pharmaceutical Sciences, Chongqing University, Chongqing 401331, P. R. China
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35
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Wei L, Zhu Q, Song ZM, Liu K, Wang CJ. Catalytic asymmetric inverse electron demand Diels-Alder reaction of fulvenes with azoalkenes. Chem Commun (Camb) 2018; 54:2506-2509. [PMID: 29459924 DOI: 10.1039/c7cc09896k] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unprecedented copper(i)-catalyzed asymmetric inverse electron demand Diels-Alder reaction of azoalkenes with fulvenes is reported. This methodology offers a directed entry to synthesize bicyclic tetrapyridazine derivatives in good yield with exclusive regioselectivity and excellent stereoselectivity.
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Affiliation(s)
- Liang Wei
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China.
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36
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Chen H, Lu X, Xia X, Zhu Q, Song Y, Chen J, Cao W, Wu X. Asymmetric Catalytic [4 + 2] Cycloaddition via Cu–Allenylidene Intermediate: Stereoselective Synthesis of Tetrahydroquinolines Fused with a γ-Lactone Moiety. Org Lett 2018. [DOI: 10.1021/acs.orglett.8b00253] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Hao Chen
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Xuehe Lu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Xuejian Xia
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Qiongqiong Zhu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Yanhong Song
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Jie Chen
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Weiguo Cao
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
| | - Xiaoyu Wu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, College of Sciences, Shanghai University, 99 Shangda Lu, Shanghai 200444, People’s Republic of China
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai 200032, People’s Republic of China
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37
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Zhang ZJ, Song J. An isothiourea-catalyzed asymmetric formal [4 + 2] cycloaddition of in situ generated azoalkenes with C1 ammonium enolates. Org Chem Front 2018. [DOI: 10.1039/c8qo00657a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
An efficient isothiourea-catalyzed stereoselective formal [4 + 2] cycloaddition of α-chloro cyclic hydrazones with carboxylic acids has been developed.
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Affiliation(s)
- Zi-Jing Zhang
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026
- China
| | - Jin Song
- Department of Chemistry
- University of Science and Technology of China
- Hefei 230026
- China
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38
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Mari G, De Crescentini L, Mantellini F, Santeusanio S, Favi G. 5-Methylene N-acyl dihydropyridazinium ions as novel Mannich-type acceptors in 1,4 additions of nucleophiles. Org Chem Front 2018. [DOI: 10.1039/c8qo00032h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Mannich-type addition reactions of various type of nucleophiles with N-acyliminium ions, generated in situ from 5-methylene-6-methoxy-1,4,5,6-tetrahydropyridazines, in the presence of BF3·OEt2, have been developed.
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Affiliation(s)
- Giacomo Mari
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo” Via I Maggetti 24
- 61029 Urbino (PU)
- Italy
| | - Lucia De Crescentini
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo” Via I Maggetti 24
- 61029 Urbino (PU)
- Italy
| | - Fabio Mantellini
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo” Via I Maggetti 24
- 61029 Urbino (PU)
- Italy
| | - Stefania Santeusanio
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo” Via I Maggetti 24
- 61029 Urbino (PU)
- Italy
| | - Gianfranco Favi
- Department of Biomolecular Sciences
- Section of Organic Chemistry and Organic Natural Compounds
- University of Urbino “Carlo Bo” Via I Maggetti 24
- 61029 Urbino (PU)
- Italy
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39
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Hamal KB, Chalifoux WA. One-Pot Synthesis of α-Carbonyl Bicyclic Furans via a Sequential Diels–Alder/5-Exo-Dig Cyclization/Oxidation Reaction. J Org Chem 2017; 82:12920-12927. [DOI: 10.1021/acs.joc.7b02479] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Khagendra B. Hamal
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
| | - Wesley A. Chalifoux
- Department of Chemistry, University of Nevada, Reno, Nevada 89557-0216, United States
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40
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Mondal S, Maity S, Ghosh P. A Redox-Active Cascade Precursor: Isolation of a Zwitterionic Triphenylphosphonio-Hydrazyl Radical and an Indazolo-Indazole Derivative. Inorg Chem 2017; 56:8878-8888. [PMID: 28696110 DOI: 10.1021/acs.inorgchem.7b00818] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A redox-active [ML] unit (M = CoII and MnII; LH2 = N'-(1,4-dioxo-1,4-dihydronaphthalen-2-yl)benzohydrazide) defined as a cascade precursor that undergoes a multicomponent redox reaction comprising of a C-N bond formation, tautomerization, oxidation, C-C coupling, demetalation, and affording 6,14-dibenzoylbenzo[f]benzo[5,6]indazolo[3a,3-c]indazole-5,8,13,16-tetraone (IndL2) is reported. Conversion of LH2 → IndL2 in air is overall a (6H++6e) oxidation reaction, and it opens a route for the syntheses of bioactive diarylindazolo[3a,3-c]indazole derivatives. The reaction occurs via a radical coupling reaction, and the radical intermediate was isolated as a triphenylphosphonio adduct. In presence of PPh3 the [ML] unit promotes a reaction that involves a C-P bond formation, tautomerization, and oxidation to yield a stable zwitterionic triphenylphosphonio-hydrazyl radical (PPh3L±•). Conversion of LH2 → PPh3L±• is a (3H++3e) oxidation reaction. To authenticate the [ML] unit, in addition to the IndL2, a zinc(II) complex, [(L3)ZnII(H2O)Cl]·2MeOH (1·2MeOH), was successfully isolated (L3H = a pyridazine derivative of 1,4 naphthoquinone) from a reaction of LH2 with hydrated ZnCl2. Conversion of 3LH2 → 1 is also a multicomponent (6H++6e) oxidation reaction promoted by zinc(II) ion via a radical intermediate. Facile oxidation of [L2-] to [L•-] that was considered as an intermediate of these conversions was confirmed by isolating a 1,4 naphthoquinone-benzhydrazyl radical (LH•) complex, [(LH•)ZnII(H2O)Cl2] (2H•). The intermediates of LH2 → IndL2, LH2 → PPh3L±•, and 3LH2 → 1 conversions were analyzed by electrospray ionization mass spectroscopy. The molecular and electronic structures of PPh3L±•, IndL2, 1·2MeOH, and 2H• were confirmed by single-crystal X-ray crystallography, electron paramagnetic resonance spectroscopy, and density functional theory calculations.
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Affiliation(s)
- Sandip Mondal
- Department of Chemistry, R. K. Mission Residential College, Narendrapur , Kolkata 103, West Bengal, India
| | - Suvendu Maity
- Department of Chemistry, R. K. Mission Residential College, Narendrapur , Kolkata 103, West Bengal, India
| | - Prasanta Ghosh
- Department of Chemistry, R. K. Mission Residential College, Narendrapur , Kolkata 103, West Bengal, India
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41
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Alves AJS, Lopes SMM, Henriques MSC, Paixão JA, Pinho e Melo TMVD. Hetero-Diels-Alder and Ring-Opening Reactions of Furans Applied to the Synthesis of Functionalized Heterocycles. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700453] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Américo J. S. Alves
- CQC and Department of Chemistry; University of Coimbra; 3004-535 Coimbra Portugal
| | - Susana M. M. Lopes
- CQC and Department of Chemistry; University of Coimbra; 3004-535 Coimbra Portugal
| | | | - José A. Paixão
- CFisUC, Department of Physics; University of Coimbra; 3004-516 Coimbra Portugal
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42
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Xie M, Lin L, Feng X. Catalytic Asymmetric Inverse-Electron-Demand Hetero-Diels-Alder Reactions. CHEM REC 2017; 17:1184-1202. [PMID: 28508470 DOI: 10.1002/tcr.201700006] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Indexed: 02/05/2023]
Abstract
In this review, the recent developments in catalytic asymmetric inverse-electron-demand hetero-Diels-Alder reaction, which is recognized as one of the most powerful routes to construct highly functionalized and enantioenriched six-membered heterocycles, are described. The article is organized on the basis of different kinds of electron-deficient heterodienes, including α,β-unsaturated ketones/aldehydes, o-benzoquinones, α,β-unsaturated imines, N-aryl imines, o-benzoqinone imides, and other aza-olefins.
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Affiliation(s)
- Mingsheng Xie
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, China
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43
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Wei L, Zhou Y, Song ZM, Tao HY, Lin Z, Wang CJ. Copper(I)-Catalyzed Asymmetric Desymmetrization through Inverse-Electron-Demand aza-Diels-Alder Reaction: Efficient Access to Tetrahydropyridazines Bearing a Unique α-Chiral Silane Moiety. Chemistry 2017; 23:4995-4999. [DOI: 10.1002/chem.201700912] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Indexed: 01/17/2023]
Affiliation(s)
- Liang Wei
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 P. R. China
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China
| | - Yu Zhou
- Department of Chemistry; The Hong Kong University of Science & Technology; Clear Water Bay, Kowloon Hong Kong
| | - Zhi-Min Song
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 P. R. China
| | - Hai-Yan Tao
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 P. R. China
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China
| | - Zhenyang Lin
- Department of Chemistry; The Hong Kong University of Science & Technology; Clear Water Bay, Kowloon Hong Kong
| | - Chun-Jiang Wang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 P. R. China
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China
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44
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Huang R, Tao HY, Wang CJ. PPh 3-Mediated [4 + 2]- and [4 + 1]-Annulations of Maleimides with Azoalkenes: Access to Fused Tetrahydropyridazine/Pyrrolidinedione and Spiro-dihydropyrazole/Pyrrolidinedione Derivatives. Org Lett 2017; 19:1176-1179. [PMID: 28211696 DOI: 10.1021/acs.orglett.7b00215] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Unprecedented PPh3-mediated [4 + 2]- and [4 + 1]-annulation of maleimides with in situ formed azoalkenes have been successfully developed, affording fused tetrahydropyridazine/pyrrolidinedione and spiro-dihydropyrazole/pyrrolidinedione derivatives in good yields under mild reaction conditions. Maleimides serve as C2 synthons in the [4 + 2]-annulation using 1,2-dichloroethane as the solvent in the presence of 20 mol % of PPh3. With a stoichiometric amount of PPh3 in acetone, maleimides serve as C1 synthons, and the in situ formed phosphorus ylide is the key intermediate to realize this [4 + 1]-annulation.
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Affiliation(s)
- Rong Huang
- College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , Shanghai 230012, China
| | - Hai-Yan Tao
- College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China.,State Key Laboratory of Elemento-organic Chemistry, Nankai University , Tianjin 300071, China
| | - Chun-Jiang Wang
- College of Chemistry and Molecular Sciences, Wuhan University , Wuhan 430072, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry , Shanghai 230012, China
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45
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Sun Z, Lv Z, Hu B, Zhang J, Du P, Wang M, Xiao L, Yang P. Isolation, structure elucidation, and KDD study of (−)-Celosine, a new skeleton with potent anti-atherosclerosis activity. RSC Adv 2017. [DOI: 10.1039/c7ra08683k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Natural (−)-Celosine was isolated as a novel endocyclicditerpene with an unprecedented skeleton from Celosia cristata L.
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Affiliation(s)
- Zhenliang Sun
- 6th People's Hospital South Campus
- Shanghai Jiao Tong University
- Shanghai
- China
- State Key Laboratory of New Drug and Pharmaceutical Process
| | - Zhiliang Lv
- Zhangjiang Branch Institute of Chinese State Institute of Pharmaceutical Industry
- Shanghai
- China
| | - Bin Hu
- Instrumental Analysis Center
- Chinese State Institute of Pharmaceutical Industry
- Shanghai
- China
| | - Jifa Zhang
- 6th People's Hospital South Campus
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Peng Du
- Zhangjiang Branch Institute of Chinese State Institute of Pharmaceutical Industry
- Shanghai
- China
| | - Man Wang
- 6th People's Hospital South Campus
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Linlin Xiao
- 6th People's Hospital South Campus
- Shanghai Jiao Tong University
- Shanghai
- China
| | - Peiming Yang
- State Key Laboratory of New Drug and Pharmaceutical Process
- Shanghai Institute of Pharmaceutical Industry
- China State Institute of Pharmaceutical Industry
- Shanghai
- China
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46
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Ke Z, Chit Tsui G, Peng XS, Yeung YY. Five-Membered Ring Systems. PROGRESS IN HETEROCYCLIC CHEMISTRY 2017. [DOI: 10.1016/b978-0-08-102310-5.00007-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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47
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Zhang G, Xu W, Liu J, Das DK, Yang S, Perveen S, Zhang H, Li X, Fang X. Enantioselective intermolecular all-carbon [4+2] annulation via N-heterocyclic carbene organocatalysis. Chem Commun (Camb) 2017; 53:13336-13339. [DOI: 10.1039/c7cc08680f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The challenge of asymmetric intermolecular all-carbon [4+2] annulation via α,β-unsaturated acyl azoliums was addressed with 2-acyloxy-3-butenones as suitable dienolate precursors, and a variety of highly functionalized cyclohexene products were delivered at a high level of enantioselectivity.
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Affiliation(s)
- Guoxiang Zhang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Weici Xu
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Jian Liu
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Deb Kumar Das
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Shuang Yang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Saima Perveen
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Hao Zhang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Xinglong Li
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
| | - Xinqiang Fang
- State Key Laboratory of Structural Chemistry, and Key Laboratory of Coal to Ethylene Glycol and Its Related Technology
- Fujian Institute of Research on the Structure of Matter (FJIRSM)
- University of Chinese Academy of Sciences
- Fuzhou 350100
- China
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48
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Zhao HW, Pang HL, Zhao YD, Liu YY, Zhao LJ, Chen XQ, Song XQ, Feng NN, Du J. Construction of 2,3,4,5-tetrahydro-1,2,4-triazines via [4 + 2] cycloaddition of α-halogeno hydrazones to imines. RSC Adv 2017. [DOI: 10.1039/c6ra27767e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
In the presence of sodium carbonate, the [4 + 2] cycloaddition of α-halogeno hydrazones to imines proceeded readily, and furnished 2,3,4,5-tetrahydro-1,2,4-triazines in moderate to high chemical yields.
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Affiliation(s)
- Hong-Wu Zhao
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Hai-Liang Pang
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Yu-Di Zhao
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Yue-Yang Liu
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Li-Jiao Zhao
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Xiao-Qin Chen
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Xiu-Qing Song
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Ning-Ning Feng
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
| | - Juan Du
- College of Life Science and Bio-engineering
- Beijing University of Technology
- Beijing 100124
- P. R. China
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49
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Wei L, Wang ZF, Yao L, Qiu G, Tao H, Li H, Wang CJ. Copper(II)-Catalyzed Asymmetric 1,3-Dipolar [3+4] Cycloaddition and Kinetic Resolution of Azomethine Imines with Azoalkenes. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600961] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Liang Wei
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
- State Key Laboratory of Elemento-organic Chemistry; Nankai University; Tianjin 300071 People's Republic of China
| | - Zuo-Fei Wang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
| | - Lu Yao
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
| | - Guofu Qiu
- School of Pharmaceutical Sciences; Wuhan University; Wuhan 430072 People's Republic of China
| | - Haiyan Tao
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
| | - Hua Li
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
| | - Chun-Jiang Wang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 People's Republic of China
- State Key Laboratory of Elemento-organic Chemistry; Nankai University; Tianjin 300071 People's Republic of China
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50
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Deng Y, Pei C, Arman H, Dong K, Xu X, Doyle MP. Syntheses of Tetrahydropyridazine and Tetrahydro-1,2-diazepine Scaffolds through Cycloaddition Reactions of Azoalkenes with Enol Diazoacetates. Org Lett 2016; 18:5884-5887. [DOI: 10.1021/acs.orglett.6b02965] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yongming Deng
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Chao Pei
- College
of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Hadi Arman
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
| | - Kuiyong Dong
- College
of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Xinfang Xu
- College
of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Michael P. Doyle
- Department
of Chemistry, The University of Texas at San Antonio, San Antonio, Texas 78249, United States
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