1
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Dočekal V, Koucký F, Císařová I, Veselý J. Organocatalytic desymmetrization provides access to planar chiral [2.2]paracyclophanes. Nat Commun 2024; 15:3090. [PMID: 38600078 PMCID: PMC11006895 DOI: 10.1038/s41467-024-47407-0] [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: 12/19/2023] [Accepted: 04/01/2024] [Indexed: 04/12/2024] Open
Abstract
Planar chiral [2.2]paracyclophanes consist of two functionalized benzene rings connected by two ethylene bridges. These organic compounds have a wide range of applications in asymmetric synthesis, as both ligands and catalysts, and in materials science, as polymers, energy materials and dyes. However, these molecules can only be accessed by enantiomer separation via (a) time-consuming chiral separations and (b) kinetic resolution approaches, often with a limited substrate scope, yielding both enantiomers. Here, we report a simple, efficient, metal-free protocol for organocatalytic desymmetrization of prochiral diformyl[2.2]paracyclophanes. Our detailed experimental mechanistic study highlights differences in the origin of enantiocontrol of pseudo-para and pseudo-gem diformyl derivatives in NHC catalyzed desymmetrizations based on whether a key Breslow intermediate is irreversibly or reversibly formed in this process. This gram-scale reaction enables a wide range of follow-up derivatizations of carbonyl groups, producing various enantiomerically pure planar chiral [2.2]paracyclophane derivatives, thereby underscoring the potential of this method.
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Affiliation(s)
- Vojtěch Dočekal
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43, Prague, 2, Czech Republic.
| | - Filip Koucký
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43, Prague, 2, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43, Prague, 2, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43, Prague, 2, Czech Republic.
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2
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Jeevananthan V, Senadi GC, Muthu K, Arumugam A, Shanmugan S. Construction of Indium(III)-Organic Framework Based on a Flexible Cyclotriphosphazene-Derived Hexacarboxylate as a Reusable Green Catalyst for the Synthesis of Bioactive Aza-Heterocycles. Inorg Chem 2024; 63:5446-5463. [PMID: 38456408 DOI: 10.1021/acs.inorgchem.3c04117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
The constant demand for eco-friendly methods of synthesizing complex organic compounds inspired researchers to design and develop modern, highly efficient heterogeneous catalytic systems. Herein, In-HCPCP metal-organic framework (SRMIST-1), a heterogeneous Lewis acid catalyst containing less toxic indium and eco-friendly robust cyclotriphosphazene and exhibiting notable chemical and thermal stability, durable catalytic activity, and exceptional reusability was produced through the reaction between indium(III) nitrate hydrate and hexakis(4-carboxylatophenoxy)-cyclotriphosphazene. In the SRMIST-1 structure, secondary building units {InO7} are assembled by a connection of η2- and η1-carboxylic oxo atoms from different HCPCP ligands, forming a three-dimensional network. The occurrence of regularly distributed In(III) sites in SRMIST-1 confers superior reactivity on the catalyst toward the synthesis of 2,3-dihydroquinazolin-4(1H)-ones and 3,4-dihydro-2H-1,2,4-benzothiadiazine-1,1-dioxides by the cyclization reaction of 2-aminobenzamides and 2-aminobenzenesulphonamides with aldehydes under optimized reaction conditions, respectively. The notable features of this method include broad functional group compatibility, low catalyst loading (1-5 mol %), mild reaction conditions, easy workup procedures, good to excellent reaction yields, ethanol as a green solvent, reusability of the catalyst (five cycles), and economic attractiveness, which is mainly due to sustainability of SRMIST-1 as a reusable green catalyst. Our findings demonstrate that the highly reactive and reusable green catalyst finds widespread applications in medicinal chemistry.
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Affiliation(s)
- Velusamy Jeevananthan
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Gopal Chandru Senadi
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Kesavan Muthu
- Interdisciplinary Institute of Indian System of Medicine (IIISM), SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Ajithkumar Arumugam
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
| | - Swaminathan Shanmugan
- Department of Chemistry, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Tamil Nadu, India
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3
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Laha JK, Gupta P, Hazra A. Dithionite-Mediated Tandem Nitro Reduction/Imine Formation/Intramolecular Cyclization for the Synthesis of Dihydro-benzothiadiazine-1,1-dioxides. J Org Chem 2024; 89:725-730. [PMID: 38070168 DOI: 10.1021/acs.joc.3c01844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
A one-pot, tandem reductive annulation of 2-nitrobenzenesulfonamides with aldehydes to the synthesis of substituted 3,4-dihydro-2H-1,2,4-benzothiadiazine-1,1-dioxides in the presence of sodium dithionite (Na2S2O4) is reported under mild conditions. The method involves in situ reduction of the nitro group followed by condensation with aldehydes to form an imine, which upon subsequent intramolecular cyclization forms the product under one-pot conditions. The protocol features use of inexpensive Na2S2O4 as the exclusive reagent, appreciable functional group tolerance, broad substrate scope, high product yields, and scalability.
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Affiliation(s)
- Joydev K Laha
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research, Sahibzada Ajit Singh Nagar, Punjab 160062, India
| | - Pankaj Gupta
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research, Sahibzada Ajit Singh Nagar, Punjab 160062, India
| | - Amitava Hazra
- Department of Pharmaceutical Technology (Process Chemistry), National Institute of Pharmaceutical Education and Research, Sahibzada Ajit Singh Nagar, Punjab 160062, India
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4
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Qi Z, Wen S, Hao Li, Liu S, Jiang D. Palladium-Catalyzed Aminosulfonylation of ortho-Iodoanilines with the Insertion of Sulfur Dioxide for the Synthesis of 3,4-Dihydro-benzothiadiazine 1,1-Dioxides. Org Lett 2023; 25:7322-7326. [PMID: 37791747 DOI: 10.1021/acs.orglett.3c02683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
A simple and efficient Pd-catalyzed oxidative cyclization system is developed for the chemo- and regioselective synthesis of 3,4-dihydro-benzothiadiazine 1,1-dioxides, which are formed through aminosulfonylation of ortho-iodoanilines with SO2. DABSO is utilized as the source of SO2, and the organic compound O2 acts as an oxidant. This direct C-S, S-N, and C-N functionalization is highly efficient, and broad functional group tolerance is observed, resulting in moderate to excellent yields of 3,4-dihydro-benzothiadiazine 1,1-dioxides. Furthermore, this method is amenable to gram-scale synthesis.
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Affiliation(s)
- Zhenjie Qi
- Department of Engineering, Jining University, Qufu, Shandong 273155, P. R. China
| | - Simiaomiao Wen
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China
| | - Hao Li
- Department of Engineering, Jining University, Qufu, Shandong 273155, P. R. China
| | - Shuai Liu
- School of Materials and Chemical Engineering, Xuzhou University of Technology, Xuzhou 221018, China
| | - Dongfang Jiang
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, Changsha Medical University, Provincial First-Class Applied Discipline (Pharmacy), Changsha, 410219, China
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5
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Mikhailov IE, Dushenko GA, Minkin VI. Pentacarboxycyclopentadienes in Organic Synthesis. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2021. [DOI: 10.1134/s1070428021110014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Wen S, Du Y, Liu Y, Cui X, Liu Q, Zhou H. Access to 2‐Arylquinazolin‐4(3H)‐ones through Intramolecular Oxidative C(sp
3
)−H/N−H Cross‐Coupling Mediated by I
2
/DMSO. European J Org Chem 2021. [DOI: 10.1002/ejoc.202101187] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Simiaomiao Wen
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Yifan Du
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Yiwen Liu
- Wufeng Chicheng Biotech Co., Ltd. 443413 Yichang China
| | - Xiaofeng Cui
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Qixing Liu
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
| | - Haifeng Zhou
- Research Center of Green Pharmaceutical Technology and Process Hubei Key Laboratory of Natural Products Research and Development College of Biological and Pharmaceutical Sciences China Three Gorges University 443002 Yichang China
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7
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Kamlar M, Reiberger R, Nigríni M, Císařová I, Veselý J. Enantioselective PCCP Brønsted acid-catalyzed aminalization of aldehydes. Beilstein J Org Chem 2021; 17:2433-2440. [PMID: 34621405 PMCID: PMC8450961 DOI: 10.3762/bjoc.17.160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 09/02/2021] [Indexed: 01/01/2023] Open
Abstract
Here we present an enantioselective aminalization of aldehydes catalyzed by Brønsted acids based on pentacarboxycyclopentadienes (PCCPs). The cyclization reaction using readily available anthranilamides as building blocks provides access to valuable 2,3-dihydroquinazolinones containing one stereogenic carbon center with good enantioselectivity (ee up to 80%) and excellent yields (up to 97%).
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Affiliation(s)
- Martin Kamlar
- Department of Organic Chemistry Charles Univerzity, Hlavova 2030/8, Prague 2, 12800, Czech Republic
| | - Robert Reiberger
- Department of Organic Chemistry Charles Univerzity, Hlavova 2030/8, Prague 2, 12800, Czech Republic
| | - Martin Nigríni
- Department of Organic Chemistry Charles Univerzity, Hlavova 2030/8, Prague 2, 12800, Czech Republic
| | - Ivana Císařová
- Department of Inorganic Chemistry, Charles Univerzity, Hlavova 2030/8, Prague 2, 12800, Czech Republic
| | - Jan Veselý
- Department of Organic Chemistry Charles Univerzity, Hlavova 2030/8, Prague 2, 12800, Czech Republic
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8
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Nakamura K, Kondo M, Krishnan CG, Takizawa S, Sasai H. Azopyridine-based chiral oxazolines with rare-earth metals for photoswitchable catalysis. Chem Commun (Camb) 2021; 57:7414-7417. [PMID: 34231579 DOI: 10.1039/d1cc02602j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An azopyridine-based oxazoline was developed for utilizing azo group coordination and isomerization as a photoswitchable ligand. The ligand coordinated to rare-earth metal (RE) catalyst underwent efficient E/Z photoisomerization, suggesting tri- and bidentate coordination switching. The photoisomerization of the ligand enabled modulation of the enantioselectivity of an RE-catalyzed aminal forming reaction.
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Affiliation(s)
- Kento Nakamura
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
| | - Masaru Kondo
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan. and Department of Materials Science and Engineering, Graduate School of Science and Engineering, Ibaraki University, Hitachi 316-8511, Ibaraki, Japan
| | - Chandu G Krishnan
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
| | - Shinobu Takizawa
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
| | - Hiroaki Sasai
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, Mihogaoka, Ibaraki, Osaka 567-0047, Japan.
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9
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Nakamura S, Wada T, Takehara T, Suzuki T. Catalytic Enantioselective Synthesis of
N
,
N
‐Acetals from α‐Dicarbonyl Compounds Using Chiral Imidazoline‐Phosphoric Acid Catalysts. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202001128] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Shuichi Nakamura
- Department of Life Science and Applied Chemistry Graduate School of Engineering Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
- Frontier Research Institute for Material Science Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Tatsumi Wada
- Department of Life Science and Applied Chemistry Graduate School of Engineering Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Tsunayoshi Takehara
- The Institute of Scientific and Industrial Research Osaka University 8-1 Mihogaoka, Ibaraki-shi Osaka 567-0047 Japan
| | - Takeyuki Suzuki
- The Institute of Scientific and Industrial Research Osaka University 8-1 Mihogaoka, Ibaraki-shi Osaka 567-0047 Japan
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10
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Xing Y, Dong F, Yin X, Wang L, Li S. Facile Construction of 3,4‐dihydro‐2H‐1,2,4‐Benzothiadiazine 1,1‐Dioxides via Redox‐Neutral Cascade Condensation/[1,7]‐Hydride Transfer/Cyclization. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000485] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Yingying Xing
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University No.700, Changcheng Rd. Qingdao 266109 P. R. China
| | - Fengying Dong
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University No.700, Changcheng Rd. Qingdao 266109 P. R. China
| | - Xiangcong Yin
- Hematology Diagnosis Laboratory The Affiliated Hospital of Qingdao University No. 16, Jiangsu Rd. Qingdao 266003 P. R. China
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University No.700, Changcheng Rd. Qingdao 266109 P. R. China
- Shandong Key Laboratory of Biochemical Analysis; College of Chemistry and Molecular Engineering Qingdao University of Science and Technology No.53, Zhengzhou Rd. Qingdao 266042 P. R. China
| | - Shuai‐Shuai Li
- College of Chemistry and Pharmaceutical Sciences Qingdao Agricultural University No.700, Changcheng Rd. Qingdao 266109 P. R. China
- Shandong Key Laboratory of Biochemical Analysis; College of Chemistry and Molecular Engineering Qingdao University of Science and Technology No.53, Zhengzhou Rd. Qingdao 266042 P. R. China
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11
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Liu N, Chao F, Yan J, Huang N, Ren Z, Wang L. Metal‐Organic Frameworks of Cu
3
(BTC)
2
Catalyzed Cascade C‐H Activation/C‐S Coupling/C‐O Cyclization Reaction Strategy: One‐Pot Efficient Synthesis of Phenoxathiines. ChemistrySelect 2019. [DOI: 10.1002/slct.201903494] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Na Liu
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materialsCollege of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
| | - Fei Chao
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materialsCollege of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
| | - Jiaying Yan
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materialsCollege of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
| | - Nian‐Yu Huang
- Hubei Key Laboratory of Natural Products Research and DevelopmentChina Three Gorges University, Yichang Hubei 443002 China
| | - Zhi‐Lin Ren
- College of Chemical EngineeringHubei University of Arts and Science, Xiangyang Hubei 441053 China
| | - Long Wang
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materialsCollege of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
- Material Analysis and Testing CenterChina Three Gorges University, Yichang Hubei 443002, China
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12
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Liu N, Tian A, Ren Z, Wang L. Efficient Synthesis of Sulfonyl Diphenylsulfides Catalyzed via Cu–MOF of PCN‐6’. ChemistrySelect 2019. [DOI: 10.1002/slct.201902713] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Na Liu
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials,College of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
| | - An−Qi Tian
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials,College of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
| | - Zhi‐Lin Ren
- College of Chemical EngineeringHubei University of Arts and Science, Xiangyang Hubei 441053 China
| | - Long Wang
- Key laboratory of inorganic nonmetallic crystalline and energy conversion materials,College of Materials and Chemical EngineeringChina Three Gorges University, Yichang Hubei 443002 China
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13
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Hou H, Zhao Y, Sheng S, Chen J. Iridium‐Catalyzed
ortho‐
C−H Amidation of Benzenesulfonamides with Sulfonyl Azides. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900573] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hongcen Hou
- Key Laboratory of Functional Small Organic Molecules, Ministry of EducationJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
| | - Yongli Zhao
- Key Laboratory of Functional Small Organic Molecules, Ministry of EducationJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
| | - Shouri Sheng
- Key Laboratory of Functional Small Organic Molecules, Ministry of EducationJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang, Jiangxi 330022 People's Republic of China
| | - Junmin Chen
- Key Laboratory of Functional Small Organic Molecules, Ministry of EducationJiangxi Normal University, Nanchang Jiangxi 330022 People's Republic of China
- College of Chemistry & Chemical EngineeringJiangxi Normal University Nanchang, Jiangxi 330022 People's Republic of China
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14
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Wang XW, Chen MW, Wu B, Wang B, Zhou YG. Chiral Phosphoric Acid-Catalyzed Synthesis of Fluorinated 5,6-Dihydroindolo[1,2- c]quinazolines with Quaternary Stereocenters. J Org Chem 2019; 84:8300-8308. [PMID: 31132277 DOI: 10.1021/acs.joc.9b00985] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A chiral phosphoric acid-catalyzed enantioselective synthesis of fluorinated 5,6-dihydroindolo[1,2- c]quinazolines has been developed by a condensation/amine addition cascade from 2-(1 H-indolyl)anilines and fluorinated ketones, giving the fluorinated aminals with quaternary stereogenic centers with excellent yields and up to 97% ee. A series of the fluorinated aromatic, aliphatic ketones, and ethyl trifluoropyruvate are suitable.
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Affiliation(s)
- Xin-Wei Wang
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics , Chinese Academy of Sciences , Dalian 116023 , P. R. China.,University of Chinese Academy of Sciences , Beijing 100049 , P. R. China.,State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , P. R. China
| | - Mu-Wang Chen
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics , Chinese Academy of Sciences , Dalian 116023 , P. R. China
| | - Bo Wu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics , Chinese Academy of Sciences , Dalian 116023 , P. R. China
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , P. R. China
| | - Yong-Gui Zhou
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics , Chinese Academy of Sciences , Dalian 116023 , P. R. China.,University of Chinese Academy of Sciences , Beijing 100049 , P. R. China
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15
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Kwon J, Kim BM. Synthesis of Arenesulfonyl Fluorides via Sulfuryl Fluoride Incorporation from Arynes. Org Lett 2018; 21:428-433. [PMID: 30592614 DOI: 10.1021/acs.orglett.8b03610] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Transition-metal-free multicomponent reactions involving aryne precursors, secondary amines, and sulfuryl fluoride are reported herein. Zwitterionic intermediates formed from the reaction of arynes with amine nucleophiles can capture SO2F2 under mild conditions, offering a novel and practical protocol for the synthesis of 2-dialkyl-, 2-alkylaryl-, or 2-diarylamino-substituted arenesulfonyl fluoride derivatives in good to excellent yields.
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Affiliation(s)
- Jungmin Kwon
- Department of Chemistry, College of Natural Sciences , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Republic of Korea
| | - B Moon Kim
- Department of Chemistry, College of Natural Sciences , Seoul National University , 1 Gwanak-ro , Gwanak-gu, Seoul 08826 , Republic of Korea
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16
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Synthesis of noval chiral tridentate amino alcohols as chiral solvating agents under ball-milling conditions. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.10.049] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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17
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Salikov RF, Trainov KP, Platonov DN, Belyy AY, Tomilov YV. Synthesis of 1,2,3,4,5-Penta(methoxycarbonyl)cyclopentadienides through Electrocyclic Ring Closure and Ring Contraction Reactions. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800732] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Rinat F. Salikov
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; 47 Leninsky prospect 119991 Moscow Russian Federation
| | - Konstantin P. Trainov
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; 47 Leninsky prospect 119991 Moscow Russian Federation
| | - Dmitry N. Platonov
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; 47 Leninsky prospect 119991 Moscow Russian Federation
| | - Alexander Yu. Belyy
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; 47 Leninsky prospect 119991 Moscow Russian Federation
| | - Yury V. Tomilov
- N. D. Zelinsky Institute of Organic Chemistry; Russian Academy of Sciences; 47 Leninsky prospect 119991 Moscow Russian Federation
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18
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Yuan C, Li J, Li P. Chiral Pentacarboxycyclopentadiene-Based Brønsted Acid-Catalyzed Enantioselective Desymmetrization of Meso-Epoxides by 2-Mercaptobenzothiazoles. ACS OMEGA 2018; 3:6820-6826. [PMID: 31458851 PMCID: PMC6644688 DOI: 10.1021/acsomega.8b01207] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 06/13/2018] [Indexed: 06/10/2023]
Abstract
Enantioselective desymmetrization of meso-epoxides by 2-mercaptobenzothiazoles was realized by using the pentacarboxycyclopentadiene-based chiral Brønsted acid in combination of N-isopropylaniline as amine additive to give up to 90.5:9.5 er of the ring opening products.
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