1
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Choudhary K, Deshpande AS, Singh VK. Ag(I)-catalyzed asymmetric (2+4) annulation reaction of 5-alkenyl thiazolones: synthesis of enantioenriched spiro[cyclohexenamines-thiazolones]. Chem Commun (Camb) 2024; 60:9062-9065. [PMID: 39101859 DOI: 10.1039/d4cc02957g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
The first metal-catalyzed (2+4) annulation of 5-alkenyl thiazolones and α,α-dicyanoalkylidenes has been developed via vinylogous Michael/cyclization/isomerization reaction. This (2+4) annulation reaction is catalyzed by a chiral Ag-(R)-DTBM-SEGPHOS catalyst, delivering enantioenriched spiro[cyclohexenamines-thiazolone] having contiguous quaternary and tertiary stereocenters in good to excellent yield (up to 80%) and excellent stereoselectivities (up to 97% ee and >20 : 1 dr). This methodology has high functional group tolerance and produces a broad range of enantioenriched products under mild reaction conditions.
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Affiliation(s)
- Kavita Choudhary
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, Uttar Pradesh, India.
| | | | - Vinod K Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, Uttar Pradesh, India.
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2
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Bao M, Zhou Y, Yuan H, Dong G, Li C, Xie X, Chen K, Hong K, Yu ZX, Xu X. Catalytic (4+2) Annulation via Regio- and Enantioselective Interception of in-situ Generated Alkylgold Intermediate. Angew Chem Int Ed Engl 2024; 63:e202401557. [PMID: 38775225 DOI: 10.1002/anie.202401557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Indexed: 07/02/2024]
Abstract
A regio- and stereoselective stepwise (4+2) annulation of N-propargylamides and α,β-unsaturated imines/ketones has been accomplished with synergetic catalysis by a combination of a gold-complex and a chiral quinine-derived squaramide (QN-SQA), leading to highly functionalized chiral tetrahydropyridines/dihydropyrans in good to high yields with generally excellent enantioselectivity. Mechanistic studies and DFT calculations indicate that the in situ formed alkylgold species is the key intermediate in this transformation, and the amide group served as a traceless directing group in this highly selective transformation. This method complements the enantioselective (4+2) annulation of allene reagents, providing the formal internal C-C π-bond cycloaddition products, which is challenging and remains elusive.
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Affiliation(s)
- Ming Bao
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
| | - Yi Zhou
- 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, P. R. China
| | - Haoxuan Yuan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Guizhi Dong
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Chao Li
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Xiongda Xie
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Kewei Chen
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Kemiao Hong
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. 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, P. R. China
| | - Xinfang Xu
- School of Chemistry and Chemical Engineering, Zhejiang Sci-Tech University, Hangzhou, 310018, P. R. China
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3
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Imamoto T. P-Stereogenic Phosphorus Ligands in Asymmetric Catalysis. Chem Rev 2024; 124:8657-8739. [PMID: 38954764 DOI: 10.1021/acs.chemrev.3c00875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Chiral phosphorus ligands play a crucial role in asymmetric catalysis for the efficient synthesis of useful optically active compounds. They are largely categorized into two classes: backbone chirality ligands and P-stereogenic phosphorus ligands. Most of the reported ligands belong to the former class. Privileged ones such as BINAP and DuPhos are frequently employed in a wide range of catalytic asymmetric transformations. In contrast, the latter class of P-stereogenic phosphorus ligands has remained a small family for many years mainly because of their synthetic difficulty. The late 1990s saw the emergence of novel P-stereogenic phosphorus ligands with their superior enantioinduction ability in Rh-catalyzed asymmetric hydrogenation reactions. Since then, numerous P-stereogenic phosphorus ligands have been synthesized and used in catalytic asymmetric reactions. This Review summarizes P-stereogenic phosphorus ligands reported thus far, including their stereochemical and electronic properties that afford high to excellent enantioselectivities. Examples of reactions that use this class of ligands are described together with their applications in the construction of key intermediates for the synthesis of optically active natural products and therapeutic agents. The literature covered dates back to 1968 up until December 2023, centering on studies published in the late 1990s and later years.
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Affiliation(s)
- Tsuneo Imamoto
- Department of Chemistry, Graduate School of Science, Chiba University, Chiba 263-8522, Japan
- Division of Applied Chemistry, Graduate School of Engineering, Hokkaido University, Sapporo, Hokkaido 060-8628, Japan
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4
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Gao Z, Zhou X, Liu D, Nie B, Lu H, Chen X, Wu J, Li L, Wang X. Phosphine-Catalyzed γ'-Carbon 1,6-Conjugate Addition of α-Succinimide Substituted Allenoates with Para-Quinone Methides: Synthesis of 4-Diarylmethylated 3,4-Disubstituted Maleimides. Molecules 2024; 29:2593. [PMID: 38893468 PMCID: PMC11173458 DOI: 10.3390/molecules29112593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 05/23/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
In this paper, an interesting γ'-carbon 1,6-conjugate addition for phosphine-catalyzed α-succinimide substituted allenoates has been disclosed. A wide array of substrates was found to participate in the reaction, resulting in the production of diverse 4-diarylmethylated 3,4-disubstituted maleimides with satisfactory to outstanding yields. Furthermore, a plausible mechanism for the reaction was proposed by the investigators.
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Affiliation(s)
| | | | | | | | | | | | | | - Lei Li
- State Key Laboratory for Macromolecule Drugs and Large-Scale Manufacturing, School of Pharmaceutical Sciences, Liaocheng University, Liaocheng 252059, China; (X.Z.); (D.L.); (B.N.); (H.L.); (X.C.); (J.W.)
| | - Xuekun Wang
- State Key Laboratory for Macromolecule Drugs and Large-Scale Manufacturing, School of Pharmaceutical Sciences, Liaocheng University, Liaocheng 252059, China; (X.Z.); (D.L.); (B.N.); (H.L.); (X.C.); (J.W.)
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5
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Manna A, Rohilla S, Singh VK. Enantioselective Synthesis of Thiazolopyran Derivatives via a Direct Vinylogous Michael- oxa-Michael Sequence. Org Lett 2024; 26:280-285. [PMID: 38127653 DOI: 10.1021/acs.orglett.3c03971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
An efficient diastereo- and enantioselective direct vinylogous Michael-oxa-Michael sequence between 5-alkenyl thiazolones and isopropylidene oxindoles has been developed. The reaction is catalyzed by a bifunctional squaramide catalyst that allows to access a wide range of densely substituted thiazolopyran derivatives containing a quaternary stereocenter. This protocol is flexible toward different sterically and electronically tuned substrates and is amenable to gram-scale synthesis and several synthetic transformations.
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Affiliation(s)
- Abhijit Manna
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
| | - Shweta Rohilla
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
| | - Vinod K Singh
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh 208 016, India
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6
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Shi W, Ren Y, Zhao H, Tang Y, Piao S, Mao B, Wang W, Wu Y, Wang B, Guo H. Phosphine-Catalyzed (4 + 2) Annulation of Allenoates with Benzofuran-Derived Azadienes and Subsequent Thio-Michael Addition. Org Lett 2022; 24:3747-3752. [PMID: 35549282 DOI: 10.1021/acs.orglett.2c01500] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A phosphine-catalyzed (4 + 2) annulation of tetrahydrobenzofuranone-derived allenoates and benzofuran-derived azadienes (BDAs) has been achieved to construct the decahydro-2H-naphtho[1,8-bc]furan derivatives, which were subsequently treated with 4-methylbenzenethiol and trimethylamine to produce thio-Michael addition products in high to excellent yields with good diastereoselectivities.
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Affiliation(s)
- Wangyu Shi
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Yue Ren
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Haoran Zhao
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Yi Tang
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Shixiang Piao
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Biming Mao
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
| | - Wei Wang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, PR China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, PR China
| | - Bo Wang
- Department of Chemistry, Tsinghua University, Beijing 100084, PR China
| | - Hongchao Guo
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, PR China
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7
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Wang YH, Zhao ZN, Kalita SJ, Huang YY. Phosphine-Catalyzed Annulations Based on [3+3] and [3+2] Trapping of Ketene Intermediates with Thioamides. Org Lett 2021; 23:8147-8152. [PMID: 34662133 DOI: 10.1021/acs.orglett.1c02803] [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
With the aim of developing novel annulations via ketene intermediates, allenyl imide and alkynoates bearing good leaving groups are used for their function in a tandem conjugate addition-elimination reaction (SN2' type) promoted by nucleophilic phosphine catalysts. By utilizing thioamides as 1S,3N-bis-nucleophiles, [3+3] and [3+2] annulations have been established to allow rapid access to 1,3-thiazin-4-ones and 5-alkenyl thiazolones in high yields, respectively. Furthermore, the possible reaction mechanisms are proposed on the basis of deuterium labeling experiments and density functional theory calculations.
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Affiliation(s)
- Yu-Hao Wang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Zhen-Ni Zhao
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Subarna Jyoti Kalita
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
| | - Yi-Yong Huang
- Department of Chemistry, School of Chemistry, Chemical Engineering and Life Science, Wuhan University of Technology, Wuhan 430070, China
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8
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Torán R, Miguélez R, Sanz‐Marco A, Vila C, Pedro JR, Blay G. Asymmetric Addition and Cycloaddition Reactions with Ylidene‐Five‐Membered Heterocycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Ricardo Torán
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
| | - Rubén Miguélez
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
| | - Amparo Sanz‐Marco
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
| | - Carlos Vila
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
| | - José R. Pedro
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
| | - Gonzalo Blay
- Departament de Química Orgànica Universitat de València C/Dr. Moliner 50 46100- Burjassot (València) Spain
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9
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Hao Q, He N, Wang Y, Yang X, Wang Y, Zhu Y, Qu L. Theoretical insights into phosphine‐catalyzed [4 + 2] annulation of allenoates with thiazolone‐derived alkenes. J PHYS ORG CHEM 2021. [DOI: 10.1002/poc.4215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qiqi Hao
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
| | - Nan He
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
| | - Yi Wang
- International Education College Zhengzhou University of Light Industry Zhengzhou China
| | - Xiaoyan Yang
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
| | - Yonghuan Wang
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
| | - Yanyan Zhu
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
| | - Lingbo Qu
- Green Catalysis Center, and College of Chemistry Zhengzhou University Zhengzhou China
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10
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Brønsted Base‐Catalyzed Tandem [2+4] Annulation/Tautomerization/Aromatization Reaction of α‐Alkylidene Succinimides with 5‐Alkenyl Thiazolones. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100425] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Qi T, Fu S, Zhang X, Liu TH, Li QZ, Gou C, Li JL. Theoretical insight into the origins of chemo- and diastereo-selectivity in the palladium-catalysed (3 + 2) cyclisation of 5-alkenyl thiazolones. Org Chem Front 2021. [DOI: 10.1039/d1qo01071a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The mechanism of the palladium-catalysed (3 + 2) cyclisation of 5-alkenyl thiazolones and VECs has been investigated from a computational perspective, and the origins of unique chemoselectivity and excellent diastereoselectivity have been disclosed.
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Affiliation(s)
- Ting Qi
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Shuai Fu
- College of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, P.R. China
| | - Xiang Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Ting-Hao Liu
- College of Chemical Engineering, Sichuan University, Chengdu, Sichuan, 610065, P.R. China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Chuan Gou
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, 610106, China
| | - Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu, Sichuan, 610106, China
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12
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Huang Y, Liao J, Wang W, Liu H, Guo H. Synthesis of heterocyclic compounds through nucleophilic phosphine catalysis. Chem Commun (Camb) 2020; 56:15235-15281. [PMID: 33320123 DOI: 10.1039/d0cc05699e] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Nucleophilic phosphine catalysis is a practical and powerful tool for the synthesis of various heterocyclic compounds with the advantages of environmentally friendly, metal-free, and mild reaction conditions. The present report summarizes the construction of four to eight-membered heterocyclic compounds containing nitrogen, oxygen and sulphur atoms through phosphine-catalyzed intramolecular annulations and intermolecular [2+2], [3+2], [4+1], [3+1+1], [5+1], [4+2], [2+2+2], [3+3], [4+3] and [3+2+3] annulations of electron-deficient alkenes, allenes, alkynes and Morita-Baylis-Hillman carbonates.
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Affiliation(s)
- Yifan Huang
- Department of Chemistry and Innovation Center of Pesticide Research, China Agricultural University, Beijing 100193, China.
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13
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Affiliation(s)
- Yin Wei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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14
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Song YX, Du DM. Recent advances in the catalytic asymmetric reactions of thiazolone derivatives. Org Biomol Chem 2020; 18:6018-6041. [PMID: 32705096 DOI: 10.1039/d0ob01261k] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Thiazolones as a class of five-membered heterocyclic compounds containing both nitrogen and sulfur, have been proved to possess important biological activities. Because thiazolone molecules have many reaction sites, they can carry out a series of modification reactions, which makes them good reaction substrates for various molecular syntheses. In recent years, research on the use of asymmetric organocatalysis to construct thiazolone derivatives has attracted a lot of attention. Among these, some breakthrough results have been achieved in the asymmetric synthesis of thiazolone derivatives. This review highlights recent developments in thiazolone derivatives in asymmetric reactions, including Michael additions, Mannich reactions as well as various cascade reactions.
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China.
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15
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Huang A, Guo X, Li P, Li W. Recent Advances in Catalytic Asymmetric Reactions of Thiazolones, Rhodanines and Their Derivatives. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000592] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Anqi Huang
- Department of Medicinal ChemistrySchool of PharmacyQingdao University 38 Dengzhou Road Qingdao Shandong 266021 People's Republic of China
| | - Xing Guo
- Department of ChemistryCollege of ScienceSouthern University of Science and Technology 1088 Xueyuan Blvd., Nanshan District Shenzhen Guangdong 518055 People's Republic of China
| | - Pengfei Li
- Department of ChemistryCollege of ScienceSouthern University of Science and Technology 1088 Xueyuan Blvd., Nanshan District Shenzhen Guangdong 518055 People's Republic of China
- Shenzhen Key Laboratory of Marine Archaea Geo-OmicsSouthern University of Science and Technology
| | - Wenjun Li
- Department of Medicinal ChemistrySchool of PharmacyQingdao University 38 Dengzhou Road Qingdao Shandong 266021 People's Republic of China
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16
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Wang H, Li X, Tu Y, Zhang J. Catalytic Enantiodivergent Michael Addition by Subtle Adjustment of Achiral Amino Moiety of Dipeptide Phosphines. iScience 2020; 23:101138. [PMID: 32450512 PMCID: PMC7251764 DOI: 10.1016/j.isci.2020.101138] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/03/2020] [Accepted: 05/01/2020] [Indexed: 11/29/2022] Open
Abstract
Over the past decades, asymmetric catalysis has been intensely investigated as a powerful tool for the preparation of numerous chiral biologically active compounds. However, developing general and practical strategies for preparation of both enantiomers of a chiral molecule via asymmetric catalysis is still a challenge, particularly when the two enantiomers of a chiral catalyst are not easily prepared from natural chiral sources. Inspired by the biologic system, we report herein an unprecedented catalytic enantiodivergent Michael addition of pyridazinones to enones by subtle adjustment of achiral amino moiety of dipeptide phosphine catalysts. These two dipeptide phosphine catalysts, P5 and P8, could deliver both enantiomers of a series of N2-alkylpyridazinones in good yields (up to 99%) with high enantioselectivities (up to 99% ee) via the catalyst-controlled enantiodivergent addition of pyridazinones to enones.
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Affiliation(s)
- Huamin Wang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P. R. China; Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, P. R. China
| | - Xiuzheng Li
- School of Pharmacy, Anhui Medical University, 81 N. Meishan Road, Hefei 230032, P. R.China
| | - Youshao Tu
- College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 2055 N. Yan'an Avenue, Changchun 130012, P. R. China
| | - Junliang Zhang
- Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai 200438, P. R. China; Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, 3663 N. Zhongshan Road, Shanghai 200062, P. R. China.
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17
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Shi W, Mao B, Xu J, Wang Q, Wang W, Wu Y, Li X, Guo H. Phosphine-Catalyzed Cascade Michael Addition/[4+2] Cycloaddition Reaction of Allenoates and 2-Arylidene-1,3-indanediones. Org Lett 2020; 22:2675-2680. [PMID: 32186891 DOI: 10.1021/acs.orglett.0c00637] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The phosphine-catalyzed cascade Michael addition/[4+2] cycloaddition reaction of tetrahydrobenzofuranone-derived allenoates and 2-arylidene-1,3-indanediones has been reported, affording spirocyclic 1,3-indanedione derivatives in moderate to high yields with moderate to good diastereoselectivities. A scaled-up reaction worked well under mild conditions, and a plausible mechanism is proposed.
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Affiliation(s)
- Wangyu Shi
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Biming Mao
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Jiaqing Xu
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Qijun Wang
- Department of Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Wei Wang
- College of Public Health, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Xuefeng Li
- College of Public Health, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Hongchao Guo
- College of Public Health, Zhengzhou University, Zhengzhou 450001, P. R. China
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18
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Wu W, Sun Z, Wang X, Lu X, Dai D. Construction of Thiazole-Fused Dihydropyrans via Formal [4 + 2] Cycloaddition Reaction on DNA. Org Lett 2020; 22:3239-3244. [PMID: 32243186 DOI: 10.1021/acs.orglett.0c01016] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An efficient and facile formal [4 + 2] cycloaddition reaction was developed to synthesize diverse thiazole-fused dihydropyrans (TFDP) on DNA. Mild reaction conditions, broad substrate scope, and compatibility with subsequent enzymatic ligation demonstrated the utility of this methodology in DNA-encoded library synthesis.
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Affiliation(s)
- Wenting Wu
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Zhen Sun
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
| | - Xuan Wang
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Xiaojie Lu
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Science, 501 Haike Road, Zhang Jiang Hi-Tech Park, Pudong, Shanghai 201203, P. R. China
| | - Dongcheng Dai
- Department of Therapeutic Discovery, Amgen Asia R&D Center, Amgen Research, 4560 Jinke Road, Pudong, Shanghai 201210, P. R. China
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19
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Wu W, Xu S, Zhang Y, Wang X, Li R, Sun F, Yu C, Li T, Wei D, Yao C. NHC-catalyzed β-specific addition of N-based nucleophiles to allenoates. Org Chem Front 2020. [DOI: 10.1039/d0qo00189a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
N-heterocyclic carbene (NHC) catalyzed reactions of nitrogenous heterocycles or trifluoromethylated acylhydrazone with allenoates gave regiospecific β-adducts. DFT calculations rationalized the origination of regio- and E/Z selectivities.
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20
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Wu JH, Pan J, Du J, Wang X, Wang X, Jiang C, Wang T. Enantioselective Synthesis of Multifunctionalized 4H-Pyrans via Formal [4 + 2] Annulation Process by Bifunctional Phosphonium Salt Catalysis. Org Lett 2019; 22:395-399. [DOI: 10.1021/acs.orglett.9b04079] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Jia-Hong Wu
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Jianke Pan
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Juan Du
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xiaoxia Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xuemei Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Chunhui Jiang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, 2 Mengxi Road, Zhenjiang 212003, P. R. China
| | - Tianli Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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21
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Tan J, Zhang H, Jiang Z, Chen Y, Ren X, Jiang C, Wang T. Enantioselective Construction of Spiro[chroman‐thiazolones]: Bifunctional Phosphonium Salt‐Catalyzed [2+4] Annulation between 5‐Alkenyl Thiazolones and
ortho
‐Hydroxyphenyl‐Substituted
para‐
Quinone Methides. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901413] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jian‐Ping Tan
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
| | - Hongkui Zhang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
| | - Zhiyu Jiang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
| | - Yuan Chen
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
| | - Xiaoyu Ren
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
| | - Chunhui Jiang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
- School of Environmental and Chemical EngineeringJiangsu University of Science and Technology 2 Mengxi Road Zhenjiang 212003 People's Republic of China
| | - Tianli Wang
- Key Laboratory of Green Chemistry & Technology of Ministry of Education, College of ChemistrySichuan University Chengdu 610064 People's Republic of China
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22
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Song YX, Du DM. Asymmetric synthesis of spirooxindole-fused spirothiazolones via squaramide-catalysed reaction of 3-chlorooxindoles with 5-alkenyl thiazolones. Org Biomol Chem 2019; 17:5375-5380. [PMID: 31106322 DOI: 10.1039/c9ob00998a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An efficient and practical organocatalyzed asymmetric formal [2 + 1] cycloaddition of 3-chlorooxindoles with 5-alkenyl thiazolones by using hydroquinine-derived squaramide as the catalyst has been developed. Under mild conditions, a broad range of spirooxindole-fused spirothiazolones bearing three adjacent stereogenic centers including two vicinal spiro quaternary chiral centers were obtained in high yields (up to 99% yield) with excellent diastereoselectivities (up to >99 : 1 dr) and enantioselectivities (up to 99% ee).
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Affiliation(s)
- Yong-Xing Song
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, 5 South Zhongguancun Street, Beijing 100081, P. R. China.
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23
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Song Y, Du D. Bifunctional Squaramide‐Catalysed Asymmetric Michael/Hemiketalization/Retro‐Aldol Reaction of Unsaturated Thiazolones with α‐Nitroketones: Synthesis of Chiral 4‐Acyloxythiazole Derivatives. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900901] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Yong‐Xing Song
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
| | - Da‐Ming Du
- School of Chemistry and Chemical EngineeringBeijing Institute of Technology Beijing 100081 People's Republic of China
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24
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Wang X, Lu M, Su Q, Zhou M, Addepalli Y, Yao W, Wang Z, Lu Y. Phosphine‐Catalyzed [4+2] Cycloadditions of Allenic Ketones: Enantioselective Synthesis of Functionalized Tetrahydropyridines. Chem Asian J 2019; 14:3409-3413. [DOI: 10.1002/asia.201901104] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 09/09/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Xin Wang
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Mengxue Lu
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Qin Su
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Minghui Zhou
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Yesu Addepalli
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Weijun Yao
- Department of ChemistryZhejiang Sci-Tech University Hangzhou 310018 P.R. China
| | - Zhen Wang
- School of Pharmaceutical Sciences and Chongqing Key Laboratory of Natural Drug ResearchChongqing University Chongqing 401331 P.R. China
| | - Yixin Lu
- Department of ChemistryNational University of Singapore Singapore 117543 Singapore
- National University of Singapore (Suzhou) Research Institute Suzhou 215123 P.R. China
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25
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Liu Y, Huang QW, Li QZ, Leng HJ, Dai QS, Zeng R, Liu YQ, Zhang X, Han B, Li JL. Highly Chemo- and Diastereoselective Construction of Quaternary Stereocenters through Palladium-Catalyzed [3 + 2] Cyclization of 5-Alkenyl Thiazolones. Org Lett 2019; 21:7478-7483. [DOI: 10.1021/acs.orglett.9b02781] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yue Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Qian-Wei Huang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Hai-Jun Leng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Qing-Song Dai
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Rong Zeng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Yan-Qing Liu
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Xiang Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
| | - Bo Han
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu, 610041, China
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26
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He X, Tang Y, Wang Y, Chen J, Xu S, Dou J, Li Y. Phosphine‐Catalyzed Activation of Alkylidenecyclopropanes: Rearrangement to Form Polysubstituted Furans and Dienones. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903320] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xin He
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuhai Tang
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yongzhuang Wang
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Jian‐Bo Chen
- Institute of Chemical MaterialsChina Academy of Engineering Physics Mianyang 621999 P. R. China
| | - Silong Xu
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Jianwei Dou
- College of PharmacyXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yang Li
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
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27
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He X, Tang Y, Wang Y, Chen J, Xu S, Dou J, Li Y. Phosphine‐Catalyzed Activation of Alkylidenecyclopropanes: Rearrangement to Form Polysubstituted Furans and Dienones. Angew Chem Int Ed Engl 2019; 58:10698-10702. [DOI: 10.1002/anie.201903320] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/28/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Xin He
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuhai Tang
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yongzhuang Wang
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Jian‐Bo Chen
- Institute of Chemical MaterialsChina Academy of Engineering Physics Mianyang 621999 P. R. China
| | - Silong Xu
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Jianwei Dou
- College of PharmacyXi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yang Li
- Department of ChemistrySchool of Science and Xi'an Key Laboratory of Sustainable Energy Materials ChemistryXi'an Jiaotong University Xi'an 710049 P. R. China
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28
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29
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Wang H, Zhang J, Tu Y, Zhang J. Phosphine‐Catalyzed Enantioselective Dearomative [3+2]‐Cycloaddition of 3‐Nitroindoles and 2‐Nitrobenzofurans. Angew Chem Int Ed Engl 2019; 58:5422-5426. [DOI: 10.1002/anie.201900036] [Citation(s) in RCA: 117] [Impact Index Per Article: 23.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Indexed: 01/18/2023]
Affiliation(s)
- Huamin Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
| | - Junyou Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
| | - Youshao Tu
- College of Chemistry and Life ScienceAdvanced Institute of Materials ScienceChangchun University of Technology 2055 N. Yan'an Avenue Changchun 130012 P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
- Department of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
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30
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Wang H, Zhang J, Tu Y, Zhang J. Phosphine‐Catalyzed Enantioselective Dearomative [3+2]‐Cycloaddition of 3‐Nitroindoles and 2‐Nitrobenzofurans. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900036] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Huamin Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
| | - Junyou Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
| | - Youshao Tu
- College of Chemistry and Life ScienceAdvanced Institute of Materials ScienceChangchun University of Technology 2055 N. Yan'an Avenue Changchun 130012 P. R. China
| | - Junliang Zhang
- Shanghai Key Laboratory of Green Chemistry and Chemical ProcessesSchool of Chemistry and Molecular EngineeringEast China Normal University Shanghai 200062 P. R. China
- Department of ChemistryFudan University 2005 Songhu Road Shanghai 200438 P. R. China
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31
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Liu H, Lin Y, Zhao Y, Xiao M, Zhou L, Wang Q, Zhang C, Wang D, Kwon O, Guo H. Phosphine-Promoted [4 + 3] Annulation of Allenoate with Aziridines for Synthesis of Tetrahydroazepines: Phosphine-Dependent [3 + 3] and [4 + 3] Pathways. RSC Adv 2019; 9:1214-1221. [PMID: 31565218 PMCID: PMC6764531 DOI: 10.1039/c8ra09852b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 12/26/2018] [Indexed: 11/22/2022] Open
Abstract
In this manuscript, phosphine-dependent [3 + 3] and [4 + 3] annulation reactions of allenoate with aziridines were disclosed. The alkyldiphenylphosphine-promoted [4 + 3] annulation of allenoate with aziridines has been achieved under mild conditions, providing biologically interesting functionalized tetrahydroazepines in moderate to excellent yield with moderate to excellent regioselectivity and diastereoselectivity.
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Affiliation(s)
- Honglei Liu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Yan Lin
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Yan Zhao
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Miaoren Xiao
- Institute of High Energy Physics, Chinese Academy of Science, 19B Yuquan Lu, Shijingshan District, Beijing 100049, P. R. China
| | - Leijie Zhou
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Qijun Wang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Cheng Zhang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
| | - Dongqi Wang
- Institute of High Energy Physics, Chinese Academy of Science, 19B Yuquan Lu, Shijingshan District, Beijing 100049, P. R. China
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry, University of California, Los Angeles, California 90095-1569.
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, China.
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32
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Yuan FR, Jiang F, Chen KW, Mei GJ, Wu Q, Shi F. Phosphine-catalyzed [4 + 2] cyclization of para-quinone methide derivatives with allenes. Org Biomol Chem 2019; 17:2361-2369. [DOI: 10.1039/c8ob02979b] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The first [4 + 2] cyclization of para-quinone methide derivatives with allenes has been established via phosphine catalysis, which afforded a series of chroman derivatives in high yields (up to 97%) and excellent (E/Z)-selectivities (all >95 : 5 E/Z).
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Affiliation(s)
- Fu-Ru Yuan
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Fei Jiang
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Ke-Wei Chen
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Guang-Jian Mei
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Qiong Wu
- School of Chemistry and Chemical Engineering
- Xuzhou University of Technology
- Xuzhou 221018
- China
| | - Feng Shi
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
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33
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Jin LW, Jiang F, Chen KW, Du BX, Mei GJ, Shi F. Phosphine-catalyzed regiospecific (3 + 2) cyclization of 3-nitroindoles with allene esters. Org Biomol Chem 2019; 17:3894-3901. [DOI: 10.1039/c9ob00432g] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The title reaction has been established to construct indole-fused five-membered rings in good yields (up to 86%).
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Affiliation(s)
- Li-Wen Jin
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Fei Jiang
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Ke-Wei Chen
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Bai-Xiang Du
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Guang-Jian Mei
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
| | - Feng Shi
- School of Chemistry and Materials Science
- Jiangsu Normal University
- Xuzhou
- China
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34
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Jiang D, Li Q, Fu M, Zhao X, Meng Q, Zhao L. Mechanistic insight into the highly regioselective Ni(0)-catalyzed [2 + 2] self-cycloaddition of electron-deficient allenoates. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02434k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A DFT study reveals that the Ni(0)-catalyzed [2 + 2] self-cycloaddition of electron-deficient allenoates proceeds via the one-ligand-involved mechanism. In addition, the origin of the high regioselectivity of the product, as well as the lower efficiency of the bidentate ligands, is discussed.
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Affiliation(s)
- Dandan Jiang
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Qianqian Li
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Mingxing Fu
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Xuefei Zhao
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Qingyong Meng
- Department of Applied Chemistry
- Northwestern Polytechnical University
- 710072 Xi'an
- China
| | - Lili Zhao
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
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35
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Li B, Liu J, Gao F, Sun M, Guo Y, Zhou Y, Wen D, Deng Y, Chen H, Wang K, Yan W. The asymmetric construction of CF3-containing spiro-thiazolone-pyrrolidine compoundsvia[3 + 2] cycloaddition. Org Biomol Chem 2019; 17:2892-2895. [DOI: 10.1039/c9ob00325h] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
An organocatalytic method for the asymmetric construction of CF3-containing spiro-thiazolone-pyrrolidine compounds has been developed.
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36
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Wang S, Guo Z, Wu Y, Liu W, Liu X, Zhang S, Sheng C. Organocatalytic asymmetric synthesis of highly functionalized spiro-thiazolone–cyclopropane-oxindoles bearing two vicinal spiro quaternary centers. Org Chem Front 2019. [DOI: 10.1039/c9qo00145j] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Spiro-thiazolone–cyclopropane-oxindoles with three contiguous stereocenters, including two vicinal quaternary centers, were obtained via an organocatalytic asymmetric Michael/alkylation cascade reaction.
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Affiliation(s)
- Shengzheng Wang
- Department of Medicinal Chemistry
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- P.R. China
| | - Zhongjie Guo
- Department of Medicinal Chemistry
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- P.R. China
| | - Ying Wu
- Department of Medicinal Chemistry
- School of Pharmacy
- Second Military Medical University
- Shanghai
- P.R. China
| | - Wei Liu
- School of Food and Biological Engineering
- Shaanxi University of Science & Technology
- Weiyang College Park
- Xi'an 710021
- P.R. China
| | - Xueying Liu
- Department of Medicinal Chemistry
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- P.R. China
| | - Shengyong Zhang
- Department of Medicinal Chemistry
- School of Pharmacy
- Fourth Military Medical University
- Xi'an
- P.R. China
| | - Chunquan Sheng
- Department of Medicinal Chemistry
- School of Pharmacy
- Second Military Medical University
- Shanghai
- P.R. China
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37
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Wang H, Zhang L, Tu Y, Xiang R, Guo YL, Zhang J. Phosphine-Catalyzed Difunctionalization of β-Fluoroalkyl α,β-Enones: A Direct Approach to β-Amino α-Diazo Carbonyl Compounds. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201810253] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Huamin Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; Shanghai 200062 P. R. China
| | - Li Zhang
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
| | - Youshao Tu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; Shanghai 200062 P. R. China
| | - Ruiqi Xiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; School of Chemistry and Molecular Engineering; East China Normal University; Shanghai 200062 P. R. China
| | - Yin-Long Guo
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
| | - Junliang Zhang
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
- Department of Chemistry; Fudan University; 2005 Songhu Road Shanghai 200438 P. R. China
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38
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Wang H, Zhang L, Tu Y, Xiang R, Guo YL, Zhang J. Phosphine-Catalyzed Difunctionalization of β-Fluoroalkyl α,β-Enones: A Direct Approach to β-Amino α-Diazo Carbonyl Compounds. Angew Chem Int Ed Engl 2018; 57:15787-15791. [PMID: 30294948 DOI: 10.1002/anie.201810253] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 09/22/2018] [Indexed: 01/10/2023]
Abstract
An efficient and practical phosphine-catalyzed vicinal difunctionalization of β-fluoroalkyl α,β-enones with TMSN3 has been developed. Using dppb as the catalyst, the reaction worked efficiently to yield various β-amino α-diazocarbonyl compounds in high yields (up to 94 %). This work marks the first efficient construction of α-diazocarbonyl compounds by phosphine catalysis. Meanwhile, the asymmetric variant induced by the nucleophilic bifunctional phosphine P4 led to various chiral fluoroalkylated β-amino α-diazocarbonyl compounds in high yields and enantioselectivity. NMR and ESI-MS studies support the existence of the key reaction intermediates. In contrast, β-azide carbonyl compounds would be furnished in good yields from β-fluoroalkylated β,β-disubstituted enones.
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Affiliation(s)
- Huamin Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Li Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, P. R. China
| | - Youshao Tu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Ruiqi Xiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Yin-Long Guo
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, P. R. China
| | - Junliang Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Lu, Shanghai, 200032, P. R. China.,Department of Chemistry, Fudan University, 2005 Songhu Road, Shanghai, 200438, P. R. China
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39
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Abstract
The hallmark of nucleophilic phosphine catalysis is the initial nucleophilic addition of a phosphine to an electrophilic starting material, producing a reactive zwitterionic intermediate, generally under mild conditions. In this Review, we classify nucleophilic phosphine catalysis reactions in terms of their electrophilic components. In the majority of cases, these electrophiles possess carbon-carbon multiple bonds: alkenes (section 2), allenes (section 3), alkynes (section 4), and Morita-Baylis-Hillman (MBH) alcohol derivatives (MBHADs; section 5). Within each of these sections, the reactions are compiled based on the nature of the second starting material-nucleophiles, dinucleophiles, electrophiles, and electrophile-nucleophiles. Nucleophilic phosphine catalysis reactions that occur via the initial addition to starting materials that do not possess carbon-carbon multiple bonds are collated in section 6. Although not catalytic in the phosphine, the formation of ylides through the nucleophilic addition of phosphines to carbon-carbon multiple bond-containing compounds is intimately related to the catalysis and is discussed in section 7. Finally, section 8 compiles miscellaneous topics, including annulations of the Hüisgen zwitterion, phosphine-mediated reductions, iminophosphorane organocatalysis, and catalytic variants of classical phosphine oxide-generating reactions.
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Affiliation(s)
- Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Yi Chiao Fan
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095-1569, USA
| | - Zhanhu Sun
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Yang Wu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, CA 90095-1569, USA
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40
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Zhou L, Wang C, Yuan C, Liu H, Zhang C, Guo H. Phosphine-Catalyzed [3 + 2] Annulation of 2-Hydroxy-1,4-naphthaquinones and Allenoate: An Allene–Alkene [3 + 2] Annulation Mechanism Involving Consecutive γ-Addition–Aldol Reaction. Org Lett 2018; 20:6591-6595. [DOI: 10.1021/acs.orglett.8b02947] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Leijie Zhou
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Chang Wang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Chunhao Yuan
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
- School of Chemical Engineering, Taishan Medical University, Taian, Shandong 271016, P. R. China
| | - Honglei Liu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Cheng Zhang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, P. R. China
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41
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Dai QS, Zhang X, Yang KC, Li MH, Yang J, Li QZ, Feng X, Han B, Li JL. Chiral Amine-Catalyzed Stereoselective [4+2] Annulations of Alkenyl Thiazolones and Aliphatic Aldehydes via
a Step-Wise Mechanism. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800806] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Qing-Song Dai
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Xiang Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Kai-Chuan Yang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Mao-Hua Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Jie Yang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Qing-Zhu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Xin Feng
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
| | - Bo Han
- State Key Laboratory Breeding Base of Systematic Research, Development and Utilization of Chinese Medicine Resources; Chengdu University of Traditional Chinese Medicine; Chengdu 611137 PR China
| | - Jun-Long Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics; Chengdu University; Chengdu 610052 PR China
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42
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Affiliation(s)
- Huanzhen Ni
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore
| | - Wai-Lun Chan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore
| | - Yixin Lu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore
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43
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Eitzinger A, Zielke K, Widhalm M, Robiette R, Waser M. Syntheses of Highly Functionalized Spirocyclohexenes by Formal [4+2] Annulation of Arylidene Azlactones with Allenoates. ASIAN J ORG CHEM 2018; 7:1620-1625. [PMID: 30175031 PMCID: PMC6114148 DOI: 10.1002/ajoc.201800275] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A straightforward phosphine-catalyzed formal [4+2] annulation between α-branched allenoates and arylidene azlactones has been developed to access highly functionalized spirocyclohexenes. This cyclization favors the γ-addition of the phosphine-activated allenoates over a β'-addition pathway. Detailed computational studies support the proposed mechanism and provide a reasonable explanation for the observed regioselectivity and the noted effect of the catalyst.
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Affiliation(s)
- Andreas Eitzinger
- Johannes Kepler University Linz, Institute of Organic Chemistry, Altenbergerstrasse 69, 4040 Linz (Austria)
| | - Katharina Zielke
- Johannes Kepler University Linz, Institute of Organic Chemistry, Altenbergerstrasse 69, 4040 Linz (Austria)
| | - Michael Widhalm
- University of Vienna, Institute of Chemical Catalysis, Wäringer Strasse 38, 1090 Vienna (Austria)
| | - Raphaël Robiette
- Université catholique de Louvain, Institute of Condensed Matter and Nanosciences, Place Louis Pasteur 1 box L4.01.02, 1348 Louvain-la-Neuve (Belgium)
| | - Mario Waser
- Johannes Kepler University Linz, Institute of Organic Chemistry, Altenbergerstrasse 69, 4040 Linz (Austria)
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44
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Smaligo AJ, Vardhineedi S, Kwon O. Carvone-Derived P-Stereogenic Phosphines: Design, Synthesis, and Use in Allene-Imine [3 + 2] Annulation. ACS Catal 2018; 8:5188-5192. [PMID: 30393576 DOI: 10.1021/acscatal.8b01081] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
We have prepared a previously unreported family of P-stereogenic [2.2.1] bicyclic chiral phosphines through straightforward syntheses starting from the natural product carvone. This design rationale prompted the development of an unforeseen C-dealkenylation reaction. We have applied these organocatalysts in the asymmetric syntheses of a bevy of pyrrolines, obtained in high yields and enantioselectivities, including a biologically active small molecule, efsevin.
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Affiliation(s)
- Andrew J. Smaligo
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
| | - Sriramurthy Vardhineedi
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
| | - Ohyun Kwon
- Department of Chemistry and Biochemistry, University of California, Los Angeles, Los Angeles, California 90095-1569, United States
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45
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Guo Z, Jia H, Liu H, Wang Q, Huang J, Guo H. A [4 + 3] Annulation Reaction of aza-o-Quinone Methides with Arylcarbohydrazonoyl Chlorides for Synthesis of 2,3-Dihydro-1H-benzo[e][1,2,4]triazepines. Org Lett 2018; 20:2939-2943. [DOI: 10.1021/acs.orglett.8b00990] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Zhenyan Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hao Jia
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Honglei Liu
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Qijun Wang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Jiaxing Huang
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
| | - Hongchao Guo
- Department of Applied Chemistry, China Agricultural University, Beijing 100193, P. R. China
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46
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Wu J, Tang Y, Wei W, Wu Y, Li Y, Zhang J, Zheng Y, Xu S. Phosphine‐Catalyzed Activation of Vinylcyclopropanes: Rearrangement of Vinylcyclopropylketones to Cycloheptenones. Angew Chem Int Ed Engl 2018; 57:6284-6288. [DOI: 10.1002/anie.201800555] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 03/15/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Jun Wu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuhai Tang
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Wen Wei
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yong Wu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yang Li
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Junjie Zhang
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuansuo Zheng
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Silong Xu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
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47
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Xing JJ, Gao YN, Shi M. Phosphine-Initiated Cascade Annulation of β′-Acetoxy Allenoate and p
-Quinols: Access to Ring Fused Hexahydroindeno Furan Derivatives. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800319] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jiao-Jiao Xing
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 People's Republic of China
| | - Yu-Ning Gao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 People's Republic of China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry & Molecular Engineering; East China University of Science and Technology; 130 Mei Long Road Shanghai 200237 People's Republic of China
- State Key Laboratory and Institute of Elemento-organic Chemistry; Nankai University; Tianjin 300071 People's Republic of China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 354 Fenglin Lu Shanghai 200032 People's Republic of China
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48
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Wu J, Tang Y, Wei W, Wu Y, Li Y, Zhang J, Zheng Y, Xu S. Phosphine‐Catalyzed Activation of Vinylcyclopropanes: Rearrangement of Vinylcyclopropylketones to Cycloheptenones. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800555] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Jun Wu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuhai Tang
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Wen Wei
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yong Wu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yang Li
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Junjie Zhang
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Yuansuo Zheng
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
| | - Silong Xu
- Department of Chemistry School of Science Xi'an Key Laboratory of Sustainable Energy Materials Chemistry Xi'an Jiaotong University Xi'an 710049 P. R. China
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49
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Li J, Chen Y, Yuan H, Hu J, Cui Y, Yang M, Li M, Li J. Phosphine-Catalyzed Domino Reaction of α,β-Unsaturated Ketone and Allenoate: Stereoselective Synthesis of Polysubstituted Dihydro-2H
-Pyran. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800268] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Jianxiong Li
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Yaoyao Chen
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Hongdong Yuan
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Jie Hu
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Yongmei Cui
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Meng Yang
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Min Li
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
| | - Jian Li
- Department of Chemistry; Shanghai University; 99 Shangda Road Shanghai 200444 People's Republic of China
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50
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Gataullin RR. Exocyclic Double Bond in Benzo-Fused Nitrogen Heterocycles: Methods of Introduction and Syntheses with Its Participation. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2018. [DOI: 10.1134/s1070428018010013] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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