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Wang X, Jiang Z, Du C, Ma L, Yue D, Yang C, Duan S, Shen X. Iodine-Catalyzed Diversity-Oriented Synthesis of 3,4-Heterocycle-Fused Coumarins from 4-Aminocoumarins and Aurones in Different Solvent. J Org Chem 2024; 89:6456-6464. [PMID: 38621144 DOI: 10.1021/acs.joc.4c00496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
An unprecedented protocol has been developed for the synthesis of 3,4-heterocycle-fused coumarins from 4-aminocoumarins and aurones through iodine-catalyzed cascade reactions. Dihydropyridine-fused coumarin, pyridine-fused coumarin, and pyrrole-fused coumarin derivatives were achieved in good yields with high selectivity when CH3CN, AcOH, and DMSO were used as the solvent, respectively. This protocol provides several advantages, such as easily available starting materials, high atom economy, friendly environment, and simple procedure.
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Affiliation(s)
- Xuequan Wang
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Zhen Jiang
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Chahui Du
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Lin Ma
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Dan Yue
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Changhui Yang
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Suyue Duan
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan Province, School of Chemistry and Resources Engineering, Honghe University, Mengzi, Yunnan 661100, P. R. China
| | - Xianfu Shen
- College of Chemistry and Environmental Science, Qujing Normal University, Qujing, Yunnan 655011, P. R. China
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2
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Wang F, Pan JQ, Shi RX, Ning R, Wu M. Diastereoselective Synthesis of Dihydrobenzofuran Spirooxindoles and Their Transformation into Benzofuroquinolinones by Ring Expansion of Oxindole Core. J Org Chem 2024; 89:5142-5147. [PMID: 38545874 DOI: 10.1021/acs.joc.3c02956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024]
Abstract
A mild and efficient approach for the diastereoselective synthesis of dihydrobenzofuran spirooxindoles using 3-chlorooxindoles and imines is presented. This process involves a formal [4 + 1] annulation, yielding the product with excellent diastereoselectivity. Furthermore, a novel method for constructing benzofuroquinolinone scaffolds through the ring expansion of oxindoles has been established. This method involves a lactam ring expansion to the quinolinone skeleton. Besides, a one-pot procedure for creating benzofuroquinolinone scaffolds from 3-chlorooxindoles and imines is also provided.
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Affiliation(s)
- Feng Wang
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
| | - Jia-Qi Pan
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
| | - Ruo-Xian Shi
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
| | - Rui Ning
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
| | - Mingshu Wu
- Key Laboratory of Tropical Medicinal Resource Chemistry of Ministry of Education, College of Chemistry & Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
- Key Laboratory of Tropical Medicinal Plant Chemistry of Hainan Province, College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, People's Republic of China
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3
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Wang Y, Feng J, Li EQ, Jia Z, Loh TP. Recent advances in ligand-enabled palladium-catalyzed divergent synthesis. Org Biomol Chem 2023; 22:37-54. [PMID: 38050418 DOI: 10.1039/d3ob01679j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
Developing efficient and straightforward strategies to rapidly construct structurally distinct and diverse organic molecules is one of the most fundamental tasks in organic synthesis, drug discovery and materials science. In recent years, divergent synthesis of organic functional molecules from the same starting materials has attracted significant attention and has been recognized as an efficient and powerful strategy. To achieve this objective, the proper adjustment of reaction conditions, such as catalysts, solvents, ligands, etc., is required. In this review, we summarized the recent efforts in chemo-, regio- and stereodivergent reactions involving acyclic and cyclic systems catalyzed by palladium complexes. Meanwhile, the reaction types, including carbonylative reactions, coupling reactions and cycloaddition reactions, as well as the probable mechanism have also been highlighted in detail.
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Affiliation(s)
- Yue Wang
- College of Advanced Interdisciplinary Science and Technology (CAIST), Henan University of Technology, Zhengzhou450001, China.
| | - Jinzan Feng
- College of Advanced Interdisciplinary Science and Technology (CAIST), Henan University of Technology, Zhengzhou450001, China.
| | - Er-Qing Li
- College of Chemistry, Green Catalysis Center, Zhengzhou University, Zhengzhou 450001, P. R. China.
| | - Zhenhua Jia
- College of Advanced Interdisciplinary Science and Technology (CAIST), Henan University of Technology, Zhengzhou450001, China.
| | - Teck-Peng Loh
- College of Advanced Interdisciplinary Science and Technology (CAIST), Henan University of Technology, Zhengzhou450001, China.
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4
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Zhu GH, Jiang X. Rh(I)-Catalyzed Cascade Carbonylative Cyclization of Propargyl α-Diazoindolacetates for Construction of Carbazoles. Org Lett 2023; 25:8077-8082. [PMID: 37933919 DOI: 10.1021/acs.orglett.3c03132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
A Rh(I)-catalyzed carbene migration/carbonylation/cyclization (MCC) strategy has been established for the construction of diverse functionalized carbazoles from propargyl α-diazoindolacetates. Rh(I)-stabilized carbene with different electrophilic properties displays specific reactivity toward alkyne and CO during the transformation, ensuring the smooth progress of the tandem cyclization. Other heteroaryl scaffolds were achieved simultaneously through this cascade protocol, thus offering a straightforward pathway toward functionalized polycyclic aromatic molecule synthesis.
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Affiliation(s)
- Guo-Hao Zhu
- State Key Laboratory of Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Xuefeng Jiang
- State Key Laboratory of Molecular & Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
- State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, P. R. China
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5
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Debnath B, Sarkar T, Karjee P, Purkayastha SK, Guha AK, Punniyamurthy T. Palladium-Catalyzed Annulative Coupling of Spirovinylcyclopropyl Oxindoles with p-Quinone Methides. J Org Chem 2023. [PMID: 37437136 DOI: 10.1021/acs.joc.3c00173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Pd-catalyzed annulative coupling of spirovinylcyclopropyl oxindoles with p-quinone methides has been accomplished via cascade carbon-carbon bond formation to afford bis-spirooxindole scaffolds. The mild reaction conditions, diastereoselectivity, functional group diversity, post-synthetic transformations, and mechanistic studies using DFT calculations are the important practical features.
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Affiliation(s)
- Bijoy Debnath
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Tanumay Sarkar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Pallab Karjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | | | - Ankur K Guha
- Advanced Computational Chemistry Centre, Cotton University, Guwahati 781001, India
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6
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Han L, Lv K, Wang T, Meng Z, Zhang J, Liu T. Mechanistic Insight into Palladium/Brønsted Acid Catalyzed Methoxycarbonylation and Hydromethoxylation of Internal Alkene: A Computational Study. Inorg Chem 2023; 62:3904-3915. [PMID: 36799526 DOI: 10.1021/acs.inorgchem.2c04291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Density functional theory (DFT) calculations were performed to study the palladium/Brønsted acid-catalyzed methoxycarbonylation and hydromethoxylation reactions of internal alkene. The calculated results show that the pyridyl group (N atom) in bidentate phosphine ligand with built-in base (L1) plays a crucial role in controlling the selectivity. With the help of the pyridyl group, the methanolysis steps in the methoxycarbonylation reaction and the hydromethoxylation reaction become easy, and both the linear ester methyl 3,4-dimethylpentanoate (P1) and the hydromethoxylation product 2-methoxy-2,3-dimethylbutane (P2) could be obtained. In contrast, the possibility of leading to branched ester P1' was ruled out according to our calculations. The steric effect could account for the observed selectivity. In the presence of the DPEphos ligand (L2) that does not bear the pyridyl group, the methanolysis step in the methoxycarbonylation reaction becomes the rate-determining step with a high overall energy barrier. Neither linear nor branched methoxycarbonylation product could be generated. The palladium/Brønsted acid co-catalyzed hydromethoxylation also become difficult without the assistance of the pyridyl group in the presence of the L2 ligand. Instead, TsOH-catalyzed hydromethoxylation reaction could take place to generate the ether product P2.
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Affiliation(s)
- Lingli Han
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155 Shandong, China.,School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165 Shandong, China
| | - Kang Lv
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155 Shandong, China
| | - Teng Wang
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165 Shandong, China
| | - Zitong Meng
- School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165 Shandong, China
| | - Jing Zhang
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155 Shandong, China.,School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165 Shandong, China
| | - Tao Liu
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155 Shandong, China.,School of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, 273165 Shandong, China
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7
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Total synthesis of (+)-asperazine A: A stereoselective domino dimerization. Chem 2022. [DOI: 10.1016/j.chempr.2022.10.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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8
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022; 61:e202208203. [DOI: 10.1002/anie.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Indexed: 11/07/2022]
Affiliation(s)
- Meng Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ruixue Zhang
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Qiushan Gao
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering Institute of Computational Chemistry College of Chemistry Beijing University of Chemical Technology Beijing 10019 China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province School of Chemistry and Chemical Engineering South China University of Technology Guangzhou 510641 China
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9
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Solvent-controlled photosensitized divergent C3-ethoxycarbonylmethylation/hydroxyalkylation of imidazo[1,2-a]pyridines with diethyl bromomalonate. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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10
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Li M, Zhang R, Gao Q, Jiang H, Lei M, Wu W. Divergent Synthesis of Fused Tetracyclic Heterocycles from Diarylalkynes Enabled by the Selective Insertion of Isocyanide. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Meng Li
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ruixue Zhang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Qiushan Gao
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Huanfeng Jiang
- South China University of Technology School of Chemistry and Chemical Engineering CHINA
| | - Ming Lei
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Wanqing Wu
- South China University of Technology School of Chemistry & Chemical Engineering No. 381, Wushan Road, Tianhe Strict, 510640 Guangzhou CHINA
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11
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Copper Catalyzed Oxidative Cascade Double Cyclization of 2‐Iodobenzamide Derivatives and Propargyl dicarbonyl Compounds for Accessing 3‐Hydroxy‐3‐furylisoindolinone derivatives. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Sarkar S, Samanta R. Weakly Coordinating tert-Amide-Assisted Ru(II)-Catalyzed Synthesis of Azacoumestans via Migratory Insertion of Quinoid Carbene: Application in the Total Synthesis of Isolamellarins. Org Lett 2022; 24:4536-4541. [PMID: 35735263 DOI: 10.1021/acs.orglett.2c01556] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A weakly coordinating tert-amide-directed straightforward method was developed for the synthesis of azacoumestans using the corresponding azaheterocycle derivatives and diazonaphthoquinones under cheap Ru(II)-catalyzed conditions. The reaction proceeds via migratory insertion of quinoid carbene and subsequent Brønstead acid-mediated cyclization. The optimized C2-selective method offered a wide scope of important azaheterocycles. Bioactive natural products like isolamellarins A and B were synthesized via the developed protocol. Preliminary mechanistic studies highlighted the probable mechanistic pathway.
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Affiliation(s)
- Souradip Sarkar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Rajarshi Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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13
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Lv L, Qian H, Crowell AB, Chen S, Li Z. Pd/NHC-Controlled Regiodivergent Defluorinative Allylation of gem-Difluorocyclopropanes with Allylboronates. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01391] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Leiyang Lv
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Huijun Qian
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China
| | - Anna B. Crowell
- Department of Chemistry and Biochemistry, Oberlin College, Oberlin, Ohio 44074, United States
| | - Shuming Chen
- Department of Chemistry and Biochemistry, Oberlin College, Oberlin, Ohio 44074, United States
| | - Zhiping Li
- Key Laboratory of Advanced Light Conversion Materials and Biophotonics, Department of Chemistry, Renmin University of China, Beijing 100872, China
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14
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Miao H, Wang ZX. Ruthenium‐Catalyzed Oxidative Cross Coupling of Alkenes with Triisopropylsilylacetylene. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200172] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hong Miao
- University of Science and Technology of China Department of Chemistry 96 Jinzhai Road 230026 Hefei CHINA
| | - Zhong-Xia Wang
- University of Science & Technology of China Chemistry 96 Jinzhai Road 230026 Hefei CHINA
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15
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Wang Q, Yao L, Wang JS, Ying J, Wu XF. Palladium-catalyzed aminocarbonylative cyclization of benzyl chlorides with 2-nitroaryl alkynes to construct indole derivatives. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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16
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Zhang X, Zhang C, Jiang B, Gao Y, Xu X, Miao Z. Ligand-Controlled Palladium-Catalyzed Asymmetric [4+3] and [2+3] Annulation Reactions of Spirovinylcyclopropyl Oxindoles with o-Quinone Methides. Org Lett 2022; 24:3097-3101. [PMID: 35436115 DOI: 10.1021/acs.orglett.2c01137] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We herein report regiodivergent ligand-controlled palladium-catalyzed asymmetric cycloaddition reactions between spirovinylcyclopropyl oxindoles and o-quinone methides. Specifically, by using the chiral P,P-ligand Segphos (L5), we obtained various spirooxindole-3,4-benzo[b]oxepanes in moderate to good yields with excellent enantioselectivities via [4+3] cycloaddition reactions. In contrast, reactions involving Trost's ligand (L7) showed different regio- and stereoselectivities, affording bispirooxindole heterocyclic compounds in good yields via [2+3] cycloaddition reactions.
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Affiliation(s)
- Xiyuan Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Cong Zhang
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Bo Jiang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Yanfeng Gao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
| | - Xiufang Xu
- Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhiwei Miao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Weijin Road 94, Tianjin 300071, China
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17
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Wang Q, Yao L, Wang JS, Ying J, Wu XF. Additive-Controlled Divergent Synthesis of Indole and 4H-Benzo[d][1,3]oxazine Derivatives: Palladium-Catalyzed Carbonylative Cyclization of 2-Alkynylanilines and Benzyl Chlorides. J Org Chem 2022; 87:3874-3882. [DOI: 10.1021/acs.joc.2c00006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Qi Wang
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Lingyun Yao
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jian-Shu Wang
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jun Ying
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straβe 29a, 18059 Rostock, Germany
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18
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Xie Z, Le Z, Li H, Yang J, Zhu X. One-Pot Synthesis of 4H-Pyrano[3,2-c]coumarin Derivatives Catalyzed by Deep Eutectic Solvent. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1580-9688] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Abstract4H-Pyrano[3,2-c]coumarin derivatives are an important class of pharmaceutical compounds that are expensive to prepare by previously reported methods. An efficient and green method was developed to obtain these derivatives using the deep eutectic solvent (DES) zinc chloride/acetamide (n:n = 1:4), which acted as both the catalyst and the solvent for the reaction. An aromatic aldehyde, 4-hydroxycoumarin, and cyanoacetate were used as the substrates. The DES, substrate molar ratio, diluent type, temperature, and reaction time were optimized to obtain the 4H-pyrano[3,2-c]coumarin derivatives from a range of aromatic aldehydes in a single step in moderate to high yields and under mild reaction conditions.
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Affiliation(s)
- Zongbo Xie
- Jiangxi Province Key Laboratory of Synthetic Chemistry
- School of Chemistry
| | - Zhanggao Le
- Jiangxi Province Key Laboratory of Synthetic Chemistry
- School of Chemistry
| | - Hongxia Li
- Jiangxi Province Key Laboratory of Synthetic Chemistry
- School of Chemistry
| | - Jiangnan Yang
- Jiangxi Province Key Laboratory of Synthetic Chemistry
- School of Chemistry
| | - Xiao Zhu
- Jiangxi Province Key Laboratory of Synthetic Chemistry
- School of Chemistry
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19
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Festa A, Raspertov P, Voskressensky L. 2‐(Alkynyl)anilines and derivatives – versatile reagents for heterocyclic synthesis. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202101363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Alexey Festa
- Peoples' Friendship University of Russia RUSSIAN FEDERATION
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20
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Yao L, Wei P, Ying J, Wu XF. Nickel-catalyzed carbonylative domino cyclization of arylboronic acid pinacol esters with 2-alkynyl nitroarenes toward N-aroyl indoles. Org Chem Front 2022. [DOI: 10.1039/d2qo00112h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A nickel-catalyzed carbonylative domino cyclization of arylboronic acid pinacol esters with 2-alkynyl nitroarenes has been developed.
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Affiliation(s)
- Lingyun Yao
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Ping Wei
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jun Ying
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straβe 29a, 18059 Rostock, Germany
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21
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Bai L, Ma Y, Jiang X. Total Synthesis of (-)-Calycanthine via Iron-Catalyzed Stereoselective Oxidative Dimerization. J Am Chem Soc 2021; 143:20609-20615. [PMID: 34871491 DOI: 10.1021/jacs.1c10498] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Dimeric cyclotryptamine alkaloids typically feature vicinal all-carbon quaternary stereocenters and four nitrogen atoms. In comparison with the actual biosynthetic tryptophan derivatives, we designed the 2N-featured monomer 7, aiming to construct vicinal all-carbon quaternary stereocenters via a one-step dimerization process to access the 4N-featured isomeric members of this family. In this work, we disclose the first synthetic route to access the skeleton of (-)-isocalycanthine, featuring an iron-catalyzed oxidative dimerization reaction in a catalytic single-step operation with an overwhelming control of the absolute and relative stereochemistry. This strategy has been successfully applied to the total synthesis of (-)-calycanthine and 16 isocalycanthine derivatives, which demonstrates a new synthetic pathway for dimeric cyclotryptamine alkaloids.
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Affiliation(s)
- Leiyang Bai
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People's Republic of China
| | - Yinhao Ma
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People's Republic of China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People's Republic of China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, 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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22
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Li J, Wang M, Jiang X. Diastereoselective Synthesis of Thioglycosides via Pd-Catalyzed Allylic Rearrangement. Org Lett 2021; 23:9053-9057. [PMID: 34783571 DOI: 10.1021/acs.orglett.1c03302] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Stereoselective glycosylation is challenging in carbohydrate chemistry. Herein, stereoselective thioglycosylation of glycals via palladium-catalyzed allylic rearrangement yields various substituents on α-isomer thioglycosides. Two comprehensive series of aryl and benzyl thioglycosides were obtained via a combination of thiosulfates with glycals derived from glucose, arabinose, galactose, and rhamnose. Furthermore, diosgenyl α-l-rhamnoside and isoquercitrin achieved selectivity via stereospecific [2,3]-sigma rearrangements of α-sulfoxide-rhamnoside and α-sulfoxide-glucoside, respectively.
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Affiliation(s)
- Jiagen Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People's Republic of China
| | - Ming Wang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, People's Republic of China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, 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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23
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Infante G, Eisler S. Accessing Extended Fused Isoindolinones Via Sequential Anionic Intramolecular Cyclizations. Chemistry 2021; 27:16121-16126. [PMID: 34492137 DOI: 10.1002/chem.202103106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Indexed: 11/05/2022]
Abstract
Sequential anionic intramolecular cyclizations and modelling were used for the first time to access unusual fused heterocyclic frameworks in excellent yields. 5-Exo-dig cyclizations yielded isoindolinone motifs and a subsequent 6-exo- and 7-endo-dig cyclization was directed to provide either fused isoquinoline or azepine frameworks. Regioselectivities were controlled by exploiting stereoelectronic effects via nC- →π*(Ph) interactions, and modelling studies provided reaction scope.
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Affiliation(s)
- Genesis Infante
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, New Brunswick, E3B 5A3, Canada
| | - Sara Eisler
- Department of Chemistry, University of New Brunswick, 30 Dineen Drive, Fredericton, New Brunswick, E3B 5A3, Canada
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24
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Ruch AA, Ellison MC, Nguyen JK, Kong F, Handa S, Nesterov VN, Slaughter LM. Highly Sterically Encumbered Gold Acyclic Diaminocarbene Complexes: Overriding Electronic Control in Regiodivergent Gold Catalysis. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00776] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Aaron A. Ruch
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
| | - Matthew C. Ellison
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
| | - John K. Nguyen
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
| | - Fanji Kong
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
| | - Sachin Handa
- Department of Chemistry, Oklahoma State University, Stillwater, Oklahoma 74078,United States
| | - Vladimir N. Nesterov
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
| | - LeGrande M. Slaughter
- Department of Chemistry, University of North Texas, Denton, Texas 76203,United States
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25
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Shah C, Yadav P, Althagafi I, Nemaysh V, Shaw R, Elagamy A, Pratap R. Base mediated synthesis of functionalized 2-(alkynyl)arylnitriles and their molecular docking study with aromatase receptor. Org Biomol Chem 2021; 19:3462-3468. [PMID: 33899877 DOI: 10.1039/d1ob00165e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A simple, efficient, and transition metal-free approach to synthesize functionalized 2-(alkynyl)benzonitriles has been developed using suitably functionalized 2H-pyran-2-ones and 4-phenyl/trimethylsilanyl-but-3-yn-2-ones as precursors. The reaction proceeds in the presence of a base at room temperature to yield internal as well as terminal alkynes. The structure of the synthesized compound was confirmed by single-crystal X-ray analysis. The molecular docking study was performed to evaluate the binding mode of action of newly synthesized alkyne derivatives with known human breast cancer target receptor aromatase (PDB ID: 3EQM).
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Affiliation(s)
- Chandan Shah
- Department of Chemistry, University of Delhi, North Campus, Delhi, 110007, India.
| | - Pratik Yadav
- Department of Chemistry, Kirori Mal College, University of Delhi, North Campus, Delhi, 110007, India
| | - Ismail Althagafi
- Chemistry Department, Faculty of Science, Umm Al-Qura University, 21955 Makkah, Saudi Arabia
| | - Vishal Nemaysh
- Department of Chemistry, University of Delhi, North Campus, Delhi, 110007, India.
| | - Ranjay Shaw
- Department of Chemistry, University of Delhi, North Campus, Delhi, 110007, India.
| | - Amr Elagamy
- Department of Chemistry, University of Delhi, North Campus, Delhi, 110007, India.
| | - Ramendra Pratap
- Department of Chemistry, University of Delhi, North Campus, Delhi, 110007, India.
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26
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Li Q, Pan R, Wang M, Yao H, Lin A. Ligand-Controlled, Palladium-Catalyzed Asymmetric [4+4] and [2+4] Cycloadditions. Org Lett 2021; 23:2292-2297. [PMID: 33683909 DOI: 10.1021/acs.orglett.1c00420] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ligand-controlled, palladium-catalyzed asymmetric [4+4] and [2+4] cycloaddition reactions of benzofuran-derived azadienes have been developed. Taking advantage of chiral P,N-ligand (S,Rp)-PPFA, we obtained a variety of benzofuro[2,3-c][1,5] oxazocines in good yields with excellent enantioselectivities via [4+4] cycloaddition reactions. Employing chiral P,P-ligand (S)-Cl-MeO-BIPHEP, the chemo- and regioselectivities were switched to synthesize tetrahydropyran-fused spirocyclic compounds in good efficiency via [2+4] cycloaddition reactions.
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Affiliation(s)
- Qiuyu Li
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Rui Pan
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Meihui Wang
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Hequan Yao
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines, Jiangsu Key Laboratory of Bioactive Natural Product Research, Department of Medicinal Chemistry, China Pharmaceutical University, Nanjing 210009, P. R. China
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27
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Liu K, Jiang X. Modular and Divergent Syntheses of Protoberberine and Protonitidine Alkaloids. Org Lett 2021; 23:1327-1332. [PMID: 33555884 DOI: 10.1021/acs.orglett.0c04310] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A modularly convergent and divergent strategy was established for the family synthesis of both protoberberine and protonitidine alkaloids. The robust, scalable, and flexible synthetic route featured a collective preparation of protoberberine and protonitidine alkaloids from a common isoquinoline assembled from pyridyne as the key synthon, which was based on the selective N-C or C-C cyclization via distinct processes. Through the strategy, 20 protoberberine alkaloids, 5 protonitidine alkaloids, and 11 analogues with diverse substituents were comprehensively aquired.
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Affiliation(s)
- Kai Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
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28
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Yuan S, Zhang J, Zhang D, Wei D, Zuo J, Song J, Yu B, Liu HM. Cu(OTf) 2-Catalyzed Intramolecular Radical Cascade Reactions for the Diversity-Oriented Synthesis of Quinoline-Annulated Polyheterocyclic Frameworks. Org Lett 2021; 23:1445-1450. [PMID: 33560123 DOI: 10.1021/acs.orglett.1c00129] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Compound libraries with high levels of structural diversity and novelty could cover underexploited chemical space and thus have been highly pursued in drug discovery. Herein, we report the first Cu(OTf)2-catalyzed intramolecular radical cascade reactions that enable the diversity-oriented synthesis of quinoline-annulated polyheterocyclic compounds (7 unique scaffolds, 66 examples) in an efficient manner. This work demonstrates an alternative route to access the natural product- and druglike compound collection with high levels of structural diversity and novelty.
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Affiliation(s)
- Shuo Yuan
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Jingya Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Danqing Zhang
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Donghui Wei
- College of Chemistry, and Institute of Green Catalysis, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Jiahui Zuo
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Jian Song
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Bin Yu
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
| | - Hong-Min Liu
- School of Pharmaceutical Sciences, Zhengzhou University, Science Road 100, Zhengzhou 450001, China
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29
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Zhu G, Gao WC, Jiang X. Rh(I)-Catalyzed Carbene Migration/Carbonylation/Cyclization: Straightforward Construction of Fully Substituted Aryne Precursors. J Am Chem Soc 2021; 143:1334-1340. [PMID: 33439011 DOI: 10.1021/jacs.0c13012] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
The Rh(I)-catalyzed cascade formation of carbenoid followed by a carbonylative cyclization of silyl diynes has been established to achieve diverse ortho silyl-substituted phenolics, enabling access to fully substituted aryne precursors via a one-step fluorosulfurylation. The silyl mask on the termini of alkynes is demonstrated not only to suppress the undesired oxidation but also to control the selectivity of CO insertion. Straightforward access to fully substituted arynes was comprehensively established and applied for the efficient construction of polycyclic aromatic molecules.
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Affiliation(s)
- Guohao Zhu
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Wen-Chao Gao
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China
| | - Xuefeng Jiang
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, School of Chemistry and Molecular Engineering, East China Normal University, 3663 North Zhongshan Road, Shanghai 200062, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
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30
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Wu FP, Wu XF. Ligand-Controlled Copper-Catalyzed Regiodivergent Carbonylative Synthesis of α-Amino Ketones and α-Boryl Amides from Imines and Alkyl Iodides. Angew Chem Int Ed Engl 2021; 60:695-700. [PMID: 32991025 DOI: 10.1002/anie.202012251] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 09/22/2020] [Indexed: 12/16/2022]
Abstract
Regioselective transformation is among the long-standing challenges in organic synthesis. In this communication, a copper-catalyzed selectivity controlled regiodivergent borocarbonylation of imines with alkyl iodides has been developed. Various α-amino ketones and α-boryl amides were produced in moderate to good yields from the same substrates. The choice of the ligand is key for the regioselectivity control: α-amino ketones were produced selectively in good yields with (p-CF3 C6 H4 )3 P as the ligand, whereas the corresponding α-boryl amides were obtained with high regioselectivities when using Me IMes as the ligand.
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Affiliation(s)
- Fu-Peng Wu
- Leibniz-Institut für Katalyse e.V. an der, Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany
| | - Xiao-Feng Wu
- Leibniz-Institut für Katalyse e.V. an der, Universität Rostock, Albert-Einstein-Straße 29a, 18059, Rostock, Germany.,Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023, Dalian, Liaoning, China
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31
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Yao L, Ying J, Wu XF. Nickel-catalyzed cascade carbonylative synthesis of N-benzoyl indoles from 2-nitroalkynes and aryl iodides. Org Chem Front 2021. [DOI: 10.1039/d1qo01284c] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A nickel-catalyzed carbonylative cyclization of 2-nitroalkynes and aryl iodides has been developed for the expedite construction of N-benzoyl indole scaffolds.
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Affiliation(s)
- Lingyun Yao
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Jun Ying
- Department of Chemistry, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian, Liaoning, China
- Leibniz-Institut für Katalyse e. V., Albert-Einstein-Straβe 29a, 18059 Rostock, Germany
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32
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Mu Y, Zhang T, Cheng Y, Fu W, Wei Z, Chen W, Liu G. Efficient synthesis of tetrahydrofurans with chiral tertiary allylic alcohols catalyzed by Ni/P-chiral ligand DI-BIDIME. Catal Sci Technol 2021. [DOI: 10.1039/d0cy02470h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Efficient nickel-catalyzed stereoselective asymmetric intramolecular reductive cyclization of O-alkynones with P-chiral bisphosphorus ligand DI-BIDIME is reported.
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Affiliation(s)
- Yu Mu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Tao Zhang
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Yaping Cheng
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Wenzhen Fu
- State Key Laboratory of Bio-organic and Natural Products Chemistry
- Shanghai Institute of Organic Chemistry
- Chinese Academy of Sciences
- Shanghai 200032
- China
| | - Zuting Wei
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Wanjun Chen
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
| | - Guodu Liu
- Inner Mongolia Key Laboratory of Fine Organic Synthesis
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot 010021
- China
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33
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Qiu W, Wang W, Liu Y, Fan R. Synthesis of N-indolated amino acids or peptides from 2-alkynylanilines via a dearomatization process. Org Chem Front 2021. [DOI: 10.1039/d1qo01257f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A process for the rapid synthesis of N-indolated amino acids or peptides from readily available 2-alkynylanilines via dearomatization was reported.
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Affiliation(s)
- Weilian Qiu
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai, 200433, China
| | - Weiyi Wang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai, 200433, China
| | - Yin Liu
- Department of Breast Surgery, Fudan University Shanghai Cancer Center/Cancer Institute and Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Renhua Fan
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai, 200433, China
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34
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Yao L, Shang Y, Wang JS, Pan A, Ying J, Wu XF. Palladium-catalyzed carbonylative cyclization of 2-alkynylanilines and aryl iodides to access N-acyl indoles. Org Chem Front 2021. [DOI: 10.1039/d1qo00205h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A palladium-catalyzed carbonylative synthesis of N-acyl indoles from 2-alkynylanilines and aryl iodides has been developed.
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Affiliation(s)
- Lingyun Yao
- Department of Chemistry
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Yan Shang
- Department of Chemistry
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Jian-Shu Wang
- Department of Chemistry
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Ailin Pan
- Department of Chemistry
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Jun Ying
- Department of Chemistry
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Liaoning
- China
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35
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Hong WP, Shin I, Lim HN. Recent Advances in One-Pot Modular Synthesis of 2-Quinolones. Molecules 2020; 25:E5450. [PMID: 33233747 PMCID: PMC7699938 DOI: 10.3390/molecules25225450] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/14/2020] [Accepted: 11/16/2020] [Indexed: 11/17/2022] Open
Abstract
It is known that 2-quinolones are broadly applicable chemical structures in medicinal and agrochemical research as well as various functional materials. A number of current publications about their synthesis and their applications emphasize the importance of these small molecules. The early synthetic chemistry originated from the same principle of the classical Friedländer and Knorr procedures for the preparation of quinolines. The analogous processes were developed by applying new synthetic tools such as novel catalysts, the microwave irradiation method, etc., whereas recent innovations in new bond forming reactions have allowed for novel strategies to construct the core structures of 2-quinolones beyond the bond disconnections based on two classical reactions. Over the last few decades, some reviews on structure-based, catalyst-based, and bioactivity-based studies have been released. In this focused review, we extensively surveyed recent examples of one-pot reactions, particularly in view of modular approaches. Thus, the contents are categorized as three major sections (two-, three-, and four-component reactions) according to the number of reagents that ultimately compose atoms of the core structures of 2-quinolones. The collected synthetic methods are discussed from the perspectives of strategy, efficiency, selectivity, and reaction mechanism.
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Affiliation(s)
- Wan Pyo Hong
- School of Advanced Materials and Chemical Engineering, Daegu Catholic University, 13-13, Hayang-ro, Hayang-eup, Gyeongsan-si, Gyeongbuk 38430, Korea;
| | - Inji Shin
- Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul 01811, Korea
| | - Hee Nam Lim
- Eco-Friendly New Materials Research Center, Therapeutics&Biotechnology Division, 141, Gajeong-ro, Yuseong-gu, Daejeon 34114, Korea
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36
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Rani NV, Kunta R. Acetic acid promoted an efficient and eco-friendly one-pot synthesis of functionalized novel isoxazolyl amino chromenopyrrole derivatives in aqueous medium. SYNTHETIC COMMUN 2020. [DOI: 10.1080/00397911.2020.1846058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Nallamothu Vanaja Rani
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
| | - Ravindhranath Kunta
- Department of Chemistry, Koneru Lakshmaiah Education Foundation, Guntur, Andhra Pradesh, India
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37
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Tereniak SJ, Bruns DL, Stahl SS. Pd-Catalyzed Aerobic Oxidative Coupling of Thiophenes: Synergistic Benefits of Phenanthroline Dione and a Cu Cocatalyst. J Am Chem Soc 2020; 142:10.1021/jacs.0c09962. [PMID: 33155814 PMCID: PMC8099933 DOI: 10.1021/jacs.0c09962] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Substituted bithiophenes are prominent fragments in functional organic materials, and they are ideally prepared via direct oxidative C-H/C-H coupling. Here, we report a novel PdII catalyst system, employing 1,10-phenanthroline-5,6-dione (phd) as the ancillary ligand, that enables aerobic oxidative homocoupling of 2-bromothiophenes and other related heterocycles. These observations represent the first use of phd to support Pd-catalyzed aerobic oxidation. The reaction also benefits from a Cu(OAc)2 cocatalyst, and mechanistic studies show that Cu promotes C-C coupling, implicating a role for CuII different from its conventional contribution to reoxidation of the Pd catalyst.
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Affiliation(s)
| | | | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI, 53706, United States
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38
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Wu F, Wu X. Ligand‐Controlled Copper‐Catalyzed Regiodivergent Carbonylative Synthesis of α‐Amino Ketones and α‐Boryl Amides from Imines and Alkyl Iodides. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202012251] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fu‐Peng Wu
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Xiao‐Feng Wu
- Leibniz-Institut für Katalyse e.V. an der Universität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
- Dalian National Laboratory for Clean Energy Dalian Institute of Chemical Physics Chinese Academy of Sciences 116023 Dalian Liaoning China
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39
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Mangaonkar SR, Shetgaonkar SE, Vernekar AA, Singh FV. Ultrasonic‐Assisted Hypervalent Iodine‐Catalyzed Cyclization of (
E
)‐2‐Hydroxystilbenes to Benzofurans Using Iodobenzene as Pre‐catalyst. ChemistrySelect 2020. [DOI: 10.1002/slct.202002860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Saeesh R. Mangaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Samata E. Shetgaonkar
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
| | - Amit A. Vernekar
- Inorganic and Physical Chemistry Laboratory CSIR-Central Leather Research Institute (CLRI) Adyar Chennai 600 020, Tamil Nadu India
- Academy of Scientific and Innovative Research (AcSIR) New Delhi India
| | - Fateh V. Singh
- Chemistry Division School of Advanced Sciences (SAS), VIT Chennai Vandalur-Kelambakkam Road Chennai 600 127, Tamil Nadu India
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40
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Intermediate formation enabled regioselective access to amide in the Pd-catalyzed reductive aminocarbonylation of olefin with nitroarene. CHINESE JOURNAL OF CATALYSIS 2020. [DOI: 10.1016/s1872-2067(20)63561-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Yuan Z, Zeng Y, Feng Z, Guan Z, Lin A, Yao H. Constructing chiral bicyclo[3.2.1]octanes via palladium-catalyzed asymmetric tandem Heck/carbonylation desymmetrization of cyclopentenes. Nat Commun 2020; 11:2544. [PMID: 32439921 PMCID: PMC7242361 DOI: 10.1038/s41467-020-16221-9] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 04/16/2020] [Indexed: 12/11/2022] Open
Abstract
Transition-metal-catalyzed tandem Heck/carbonylation reaction has emerged as a powerful tool for the synthesis of structurally diverse carbonyl molecules, as well as natural products and pharmaceuticals. However, the asymmetric version was rarely reported, and remains a challenging topic. Herein, we describe a palladium-catalyzed asymmetric tandem Heck/carbonylation desymmetrization of cyclopentenes. Alcohols, phenols and amines are employed as versatile coupling reagents for the construction of multifunctional chiral bicyclo[3.2.1]octanes with one all-carbon quaternary and two tertiary carbon stereogenic centers in high diastereo- and enantioselectivities. This study represents an important progress in both the asymmetric tandem Heck/carbonylation reactions and enantioselective difunctionalization of internal alkenes.
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Affiliation(s)
- Zhenbo Yuan
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Yuye Zeng
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Ziwen Feng
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Zhe Guan
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China
| | - Aijun Lin
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China.
| | - Hequan Yao
- State Key Laboratory of Natural Medicines (SKLNM) and Department of Medicinal Chemistry, School of Pharmacy, China Pharmaceutical University, Nanjing, 210009, P. R. China.
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42
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Yang Y, Liu Y, Zhu R, Zhang D. Theoretical Insight into Palladium(II)–Counterion–Ligand Cooperative Regiodivergent Syntheses of Indolo[3,2-c]coumarins and Benzofuro[3,2-c]quinolinones from Diphenylethyne Derivatives. Inorg Chem 2020; 59:4741-4752. [DOI: 10.1021/acs.inorgchem.0c00004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yiying Yang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Yanhong Liu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Rongxiu Zhu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
| | - Dongju Zhang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, Institute of Theoretical Chemistry, School of Chemistry and Chemical Engineering, Shandong University, Jinan 250100, P. R. China
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43
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Pancrazzi F, Sarti N, Mazzeo PP, Bacchi A, Carfagna C, Mancuso R, Gabriele B, Costa M, Stirling A, Della Ca' N. Site-Selective Double and Tetracyclization Routes to Fused Polyheterocyclic Structures by Pd-Catalyzed Carbonylation Reactions. Org Lett 2020; 22:1569-1574. [PMID: 32011899 PMCID: PMC7307965 DOI: 10.1021/acs.orglett.0c00171] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
In this contribution,
we report novel palladium-catalyzed carbonylative
cascade approaches to highly functionalized polyheterocyclic structures.
The Pd-catalyzed carbonylative process involves the regioselective
insertion of one to three CO molecules and the sequential ordered
formation of up to eight new bonds (one C–O, two C–C,
five C–N). The exclusive formation of six-membered heterocycles
is elucidated by detailed modeling studies.
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Affiliation(s)
- Francesco Pancrazzi
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy
| | - Nicolò Sarti
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy
| | - Paolo P Mazzeo
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy
| | - Alessia Bacchi
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy.,CIRCC , Via Celso Ulpiani, 27 , 70126 Bari , Italy
| | - Carla Carfagna
- Department of Industrial Chemistry "T. Montanari" University of Bologna , Viale Risorgimento 4 , 40136 Bologna , Italy
| | - Raffaella Mancuso
- Department of Chemistry and Chemical Technologies , University of Calabria , Via P. Bucci 12/C , 87036 Arcavacata di Rende , Cosenza , Italy
| | - Bartolo Gabriele
- Department of Chemistry and Chemical Technologies , University of Calabria , Via P. Bucci 12/C , 87036 Arcavacata di Rende , Cosenza , Italy
| | - Mirco Costa
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy
| | - András Stirling
- Institute of Organic Chemistry , Research Centre for Natural Sciences , Magyar tudóSokkörútja 2 , Budapest , Hungary
| | - Nicola Della Ca'
- Department of Chemistry, Life Sciences and Environmental Sustainability (SCVSA) , University of Parma , Parco Area delleScienze, 17/A , 43124 Parma , Italy.,CIRCC , Via Celso Ulpiani, 27 , 70126 Bari , Italy
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44
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Zeng L, Chen R, Zhang C, Xie H, Cui S. Iridium(i)-catalyzed hydration/esterification of 2-alkynylphenols and carboxylic acids. Chem Commun (Camb) 2020; 56:3093-3096. [DOI: 10.1039/c9cc09984k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
A mild and efficient iridium(i)-catalyzed hydration/esterification of 2-alkynylphenols and carboxylic acids has been successfully developed.
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Affiliation(s)
- Linwei Zeng
- Institute of Drug Discovery and Design
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Renjie Chen
- Institute of Drug Discovery and Design
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Chen Zhang
- Institute of Drug Discovery and Design
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
| | - Hujun Xie
- Department of Applied Chemistry
- Zhejiang Gongshang University
- Hangzhou 310018
- China
| | - Sunliang Cui
- Institute of Drug Discovery and Design
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou 310058
- China
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45
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Yuan Y, Pan G, Zhang X, Huang Q. One pot synthesis of pyrrolo[3,2,1-de]phenanthridines from 7-phenylindoles via tandem C–H olefination/aza-Michael addition. Org Chem Front 2020. [DOI: 10.1039/c9qo01135h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
An unprecedented one-pot C–H olefination/aza-Michael addition tandem process has been developed for the synthesis of pyrrolo[3,2,1-de]phenanthridines from 7-phenylindoles and alkenes using a [Cp*RhCl2]2/AgOAc/Me4NOAc catalytic system.
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Affiliation(s)
- Yumeng Yuan
- Fujian Key Laboratory of Polymer Materials
- College of Chemistry & Materials Science
- Fujian Normal University
- Fuzhou
- P.R. China
| | - Guoshuai Pan
- Fujian Key Laboratory of Polymer Materials
- College of Chemistry & Materials Science
- Fujian Normal University
- Fuzhou
- P.R. China
| | - Xiaofeng Zhang
- Fujian Key Laboratory of Polymer Materials
- College of Chemistry & Materials Science
- Fujian Normal University
- Fuzhou
- P.R. China
| | - Qiufeng Huang
- Fujian Key Laboratory of Polymer Materials
- College of Chemistry & Materials Science
- Fujian Normal University
- Fuzhou
- P.R. China
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46
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Gao Y, Nie J, Huo Y, Hu XQ. Anthranils: versatile building blocks in the construction of C–N bonds and N-heterocycles. Org Chem Front 2020. [DOI: 10.1039/d0qo00163e] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
This review article provides an overview of the recent progress in the transformations of anthranils, which have emerged as versatile building blocks in the assembly of various C–N bonds and medicinally active heterocyclic systems.
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Affiliation(s)
- Yang Gao
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou
- China
| | - Jianhong Nie
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou
- China
| | - Yanping Huo
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou
- China
| | - Xiao-Qiang Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science
- School of Chemistry and Materials Science
- South-Central University for Nationalities
- Wuhan 430074
- China
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47
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Li Y, Zhao X. Mechanism and origins of gold-catalyzed domino cyclization to spiroindolines: the role of periplanar cooperation and hydrogen bonding interactions. Org Chem Front 2020. [DOI: 10.1039/d0qo00359j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The detailed mechanism and origins of gold-catalyzed domino cyclization to indoloazocines are systematically studied by density functional theory.
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Affiliation(s)
- Yunhe Li
- Institute for Chemical Physics & Department of Chemistry
- School of Science
- State Key Laboratory of Electrical Insulation and Power Equipment & MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter
- Xi'an Jiaotong University
- Xi'an 710049
| | - Xiang Zhao
- Institute for Chemical Physics & Department of Chemistry
- School of Science
- State Key Laboratory of Electrical Insulation and Power Equipment & MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter
- Xi'an Jiaotong University
- Xi'an 710049
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48
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Gao B, Zou S, Yang G, Ding Y, Huang H. Carbonylative cycloaddition between two different alkenes enabled by reactive directing groups: expedited construction of bridged polycyclic skeletons. Chem Commun (Camb) 2020; 56:12198-12201. [DOI: 10.1039/d0cc05362g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel palladium-catalyzed highly selective hydrocarbonylative cycloaddition reaction with two different alkenes in the presence of CO enabled by a reactive directing-group is developed, which offers efficient access to bicyclo[2,2,2]lactones.
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Affiliation(s)
- Bingjian Gao
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Suchen Zou
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Guoqing Yang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Yongzheng Ding
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry
- University of Science and Technology of China
- Hefei
- P. R. China
| | - Hanmin Huang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry
- University of Science and Technology of China
- Hefei
- P. R. China
- Center for Excellence in Molecular Synthesis of CAS
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49
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Wang YH, Tian JS, Tan PW, Cao Q, Zhang XX, Cao ZY, Zhou F, Wang X, Zhou J. Regiodivergent Intramolecular Nucleophilic Addition of Ketimines for the Diverse Synthesis of Azacycles. Angew Chem Int Ed Engl 2019; 59:1634-1643. [PMID: 31755631 DOI: 10.1002/anie.201910864] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 11/01/2019] [Indexed: 12/15/2022]
Abstract
Azacycles such as indoles and tetrahydroquinolines are privileged structures in drug development. Reported here is an unprecedented regiodivergent intramolecular nucleophilic addition reaction of imines as a flexible approach to access N-functionalized indoles and tetrahydroquinolines, by the control of reaction at the N-terminus and C-terminus, respectively. Using ketimines derived from 2-(2-nitroethyl)anilines with isatins or α-ketoesters, the regioselective N-attack reaction gives N-functionalized indoles, while the catalytic enantioselective C-attack reaction affords chiral tetrahydroquinolines featuring an α-tetrasubstituted stereocenter. Mechanistic studies reveal that hydrogen-bonding interactions may greatly facilitate such unusual N-attack reactions of imines. The utility of this protocol is highlighted by the catalytic enantioselective formal synthesis of (-)-psychotrimine, and the construction of various fused aza-heterocycles.
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Affiliation(s)
- Yu-Hui Wang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China.,Innovation Research Institute of Traditional Chinese Medicine (IRI), Shanghai University of Traditional Chinese Medicine, 1200 Cailun Road, Shanghai, 201203, China
| | - Jun-Song Tian
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China
| | - Peng-Wei Tan
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China
| | - Qiang Cao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China
| | - Xue-Xin Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China
| | - Zhong-Yan Cao
- College of chemical engineering, Zhejiang university of technology, Chaowang road, 18N, Hangzhou, 310014, P. R. China
| | - Feng Zhou
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China
| | - Xin Wang
- College of Chemistry, Sichuan University, Chengdu, Sichuan, 610064, P. R. China
| | - Jian Zhou
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, 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, China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, P. R. China
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50
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Wang Y, Tian J, Tan P, Cao Q, Zhang X, Cao Z, Zhou F, Wang X, Zhou J. Regiodivergent Intramolecular Nucleophilic Addition of Ketimines for the Diverse Synthesis of Azacycles. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yu‐Hui Wang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
- Innovation Research Institute of Traditional Chinese Medicine (IRI) Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Jun‐Song Tian
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
| | - Peng‐Wei Tan
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
| | - Qiang Cao
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
| | - Xue‐Xin Zhang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
| | - Zhong‐Yan Cao
- College of chemical engineering Zhejiang university of technology Chaowang road, 18N Hangzhou 310014 P. R. China
| | - Feng Zhou
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
| | - Xin Wang
- College of Chemistry Sichuan University Chengdu Sichuan 610064 P. R. China
| | - Jian Zhou
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development 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 China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
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