1
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Sim K, ul Ansari T, Park Y, Jeong Y, Oh S, Min H, Jeon D, Kim H, Cho C. A Regio‐ and Diastereoselective Stille Coupling/Intramolecular Diels–Alder Cascade for the Generation of Fused Pyridines and Application in the Synthesis of (+)‐Lycopladine A and (−)‐Lycoposerramine R. Angew Chem Int Ed Engl 2022; 61:e202212016. [DOI: 10.1002/anie.202212016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Kyu‐Hyun Sim
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Thameem ul Ansari
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Yong‐Gyu Park
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Yeolib Jeong
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Sang‐Ha Oh
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Hye‐Won Min
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Da‐Yoon Jeon
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
| | - Hyunwoo Kim
- Department of Chemistry Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Cheon‐Gyu Cho
- Department of Chemistry Hanyang University 222 Wangsimni-ro, Seongdong-gu Seoul 04763 Korea
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2
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Shim KH, Ansari TU, Park YG, Jeong Y, Oh SH, Min HW, Jeon DY, Kim H, Cho CG. A Regio‐ and Diastereoselective Stille Coupling/IMDA Cascade for the Generation of Fused Pyridines and Application in the Synthesis of (+)‐Lycopladine A and (‐)‐Lycoposerramine R. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202212016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kyu-Hyun Shim
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Thameem ul Ansari
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Yong-Gyu Park
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Yeolib Jeong
- Korea Advanced Institute of Science and Technology Chemistry KOREA, REPUBLIC OF
| | - Sang-Ha Oh
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Hye-Won Min
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Da-Yoon Jeon
- Hanyang University - Seoul Campus: Hanyang University Chemistry KOREA, REPUBLIC OF
| | - Hyunwoo Kim
- Korea Advanced Institute of Science and Technology Chemistry KOREA, REPUBLIC OF
| | - Cheon-Gyu Cho
- Hanyang University - Seoul Campus: Hanyang University Chemistry 222 Wangsimni-roSeongdong-gu 04763 Seoul KOREA, REPUBLIC OF
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3
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Tang L, Ouyang Y, Sun K, Yu B. Visible-light-promoted decarboxylative radical cascade cyclization to acylated benzimidazo/indolo[2,1- a]isoquinolin-6(5 H)-ones in water. RSC Adv 2022; 12:19736-19740. [PMID: 35865204 PMCID: PMC9260743 DOI: 10.1039/d2ra03467k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 06/30/2022] [Indexed: 12/25/2022] Open
Abstract
A metal-free visible-light-induced decarboxylative radical addition/cyclization procedure at room temperature was described for the synthesis of acylated benzimidazo/indolo[2,1-a]isoquinolines. The procedure was prepared in water via a reaction of functionalized 2-arylbenzoimidazoles or 2,3-diarylindoles and α-oxocarboxylic acids in the presence of phenyliodine(iii) diacetate (PIDA) in one step under mild reaction conditions. In this procedure, traditional heating and metal reagents could be effectively avoided to access 1,4-dicarbonyl-containing benzimidazo/indolo[2,1-a]isoquinoline-6(5H)-ones in satisfactory yields.
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Affiliation(s)
- Lili Tang
- Hunan Engineering Research Center for Recycled Aluminum, College of Chemistry & Materials Engineering, Huaihua University Huaihua 418008 China
| | - Yuejun Ouyang
- Hunan Engineering Research Center for Recycled Aluminum, College of Chemistry & Materials Engineering, Huaihua University Huaihua 418008 China
| | - Kai Sun
- Hunan Engineering Research Center for Recycled Aluminum, College of Chemistry & Materials Engineering, Huaihua University Huaihua 418008 China .,College of Chemistry, Zhengzhou University Zhengzhou 450001 China
| | - Bing Yu
- College of Chemistry, Zhengzhou University Zhengzhou 450001 China
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4
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Guo F, Wang H, Ye X, Tan CH. Advanced Synthesis Using Photocatalysis Involved Dual Catalytic System. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200326] [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]
Affiliation(s)
- Fenfen Guo
- Zhejiang University of Technology College of Pharmaceutical Science CHINA
| | - Hong Wang
- Zhejiang University of Technology College of Pharmaceutical Science CHINA
| | - Xinyi Ye
- Zhejiang University of Technology College of Pharmaceutical Science 18 Chaowang Road 310014 Hangzhou CHINA
| | - Choon-Hong Tan
- Nanyang Technological University School of Physical and Mathematical Sciences SINGAPORE
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5
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Srivastava V, Singh PK, Tivari S, Singh PP. Visible light photocatalysis in the synthesis of pharmaceutically relevant heterocyclic scaffolds. Org Chem Front 2022. [DOI: 10.1039/d1qo01602d] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Visible light and photoredox catalysis have emerged as a powerful and long-lasting tool for organic synthesis, demonstrating the importance of a variety of chemical bond formation methods.
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Affiliation(s)
- Vishal Srivastava
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj 211002, India
| | - Pravin K. Singh
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj 211002, India
| | - Shraddha Tivari
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj 211002, India
| | - Praveen P. Singh
- Department of Chemistry, United College of Engineering & Research, Naini, Prayagraj 211010, India
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6
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Jiazhuang W, Liguo T, Shaoqi X, Tiebo X, Yubo J. Rh-Catalyzed gem-Difluoroallylation of N-Tosylhydrazones. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202205054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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7
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Wang CY, Yu JX, Liu B, Zhang F, Wang ZQ, Xu ZF, Hu QY, Li JH. Metal-/solvent-free oxidative [4+2]/[3+2] annulation of 2-ethynylbenzaldehydes with arylalkenes: Facile synthesis of benzo[a]fluoren-5-ones. Org Chem Front 2022. [DOI: 10.1039/d1qo01888d] [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
We report here a DTBP-mediated oxidative [4+2]/[3+2] annulation between 2-alkynylbenzaldehydes and terminal arylalkenes enabled by aldehyde C(sp2)-H functionalization for assembling a range of benzo[a]fluoren-5-ones with high step-economy, simple operations under...
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8
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Wang J, Yu J, Chen J, Jiang Y, Xiao T. Doyle-Kirmse reaction using 3,3-difluoroallyl sulfide and N-sulfonyl-1,2,3-triazole: an efficient access to gem-difluoroallylated multifunctional quaternary carbon. Org Biomol Chem 2021; 19:6974-6978. [PMID: 34338276 DOI: 10.1039/d1ob01129d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A Doyle-Kirmse reaction of N-sulfonyl-1,2,3-triazole with 3,3-difluoroallyl sulfide through a Rh(ii)-catalyzed [2,3]-sigmatropic rearrangement has been developed, which provides an efficient access to multifunctional quaternary centers containing aryl, imino, thio, and brominated gem-difluoroallyl groups. The reaction features broad substrate scope with moderate to excellent yields. The applicability of the method is confirmed by gram-scale synthesis and further transformations.
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Affiliation(s)
- Jiazhuang Wang
- Faculty of Science, Kunming University of Science and Technology, Jingming South Road 727, Chenggong District, Kunming 650500, P. R. of China.
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9
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Zhang W, Wang P, Zhang X, Wang R, Wang T, Liu Z, Zhang Z. Synthesis of
2
H
‐benzo[
g
]furo/thieno/pyrrolo[2,3‐
e
]indazoles
via
Intramolecular Dehydrogenation Photocyclization. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100103] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Wei Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Ping Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Xi Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Rui Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Tao Wang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Zhicun Liu
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
| | - Zunting Zhang
- Key Laboratory of the Ministry of Education for Medicinal Resources and Natural Pharmaceutical Chemistry, National Engineering Laboratory for Resource Development of Endangered Crude Drugs in Northwest of China, School of Chemistry and Chemical Engineering, and Basic Experimental Teaching Center, Shaanxi Normal University Xi'an Shaanxi 710062 China
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10
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Li W, Zhou L. Vinyldiazo Compounds as 3-Carbon Radical Acceptors: Synthesis of 4-Fluoroacridines via Visible-Light-Promoted Cascade Radical Cyclization. Org Lett 2021; 23:4279-4283. [PMID: 34029108 DOI: 10.1021/acs.orglett.1c01204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Vinyldiazo reagents were developed as the radical acceptors in a visible-light-promoted sequential radical cyclization reaction, providing a mechanistically distinct pathway to achieve (3 + 3) cyclization. Using N-aryl chlorodifluoromethyl alkynyl ketoimines as the radical precursors, the reaction allows the introduction of a fluorine atom to the acridine skeleton during the construction of both the pyridine and benzene motifs from acyclic building blocks. The resulting 4-fluoroacridines exhibited pronounced fluorescent properties in the solid state.
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Affiliation(s)
- Weiyu Li
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Lei Zhou
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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11
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Abstract
Visible light promoted synthetic routes of quinolines using different strategies are hereby documented.
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Affiliation(s)
- Ajay Kumar Dhiya
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Aparna Monga
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
| | - Anuj Sharma
- Department of Chemistry
- Indian Institute of Technology Roorkee
- Roorkee-247667
- India
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12
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Ten years of progress in the synthesis of six-membered N-heterocycles from alkynes and nitrogen sources. Tetrahedron 2020. [DOI: 10.1016/j.tet.2019.130876] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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13
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Yang J, Wang J, Huang H, Qin G, Jiang Y, Xiao T. gem-Difluoroallylation of Aryl Diazoesters via Catalyst-Free, Blue-Light-Mediated Formal Doyle-Kirmse Reaction. Org Lett 2019; 21:2654-2657. [PMID: 30924672 DOI: 10.1021/acs.orglett.9b00647] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A first example of low-energy blue-light-mediated formal Doyle-Kirmse reaction for gem-difluoroallylation of aryl diazoesters has been developed. A variety of highly functionalized gem-difluoroallyl containing esters bearing transformable sulfur and bromine groups were efficiently assembled with broad substrate scope under mild, catalyst-free, and additive-free conditions. The reaction represents a practical and environmentally friendly approach for C-CF2 bond formation based on rearrangement strategy, which will find potential applications among drug discovery and development.
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Affiliation(s)
- Jianhua Yang
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
| | - Jiazhuang Wang
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
| | - Hongtai Huang
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
| | - Guiping Qin
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
| | - Yubo Jiang
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
| | - Tiebo Xiao
- Faculty of Science , Kunming University of Science and Technology , Kunming 650500 , China
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14
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Peng P, Huang GZ, Sun YX, Wang X, Wu JJ, Wu FH. Copper-mediated cascade radical cyclization of olefins with naphthalenyl iododifluoromethyl ketones. Org Biomol Chem 2019; 17:6426-6431. [DOI: 10.1039/c9ob00916g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Copper-mediated radical cyclization of naphthalenyl iododifluoromethyl ketones with olefins was developed to generate a series of unprecedented gem-difluorodihydrophenanthrenones with excellent regioselectivity.
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Affiliation(s)
- Peng Peng
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Guo-zhi Huang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Ying-xin Sun
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Xing Wang
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
| | - Jing-jing Wu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
- Key Laboratory of Organofluorine Chemistry
| | - Fan-hong Wu
- School of Chemical and Environmental Engineering
- Shanghai Institute of Technology
- Shanghai 201418
- China
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15
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Chen W, Guo R, Yang Z, Gong J. Formal Total Synthesis of Hybocarpone Enabled by Visible-Light-Promoted Benzannulation. J Org Chem 2018; 83:15524-15532. [PMID: 30484314 DOI: 10.1021/acs.joc.8b02595] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The formal total synthesis of hybocarpone was achieved in eight steps from commercially available 1,2,4-trimethoxybenzene. Key transformations include a visible-light-promoted benzannulation to construct the key α-naphthol intermediate and a modified CAN-mediated dimerization/hydration cascade sequence to generate the vicinal all-carbon quaternary centers in a stereocontrolled manner. The total synthesis of boryquinone was also achieved in seven steps.
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Affiliation(s)
- Wei Chen
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
| | - Renyu Guo
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
| | - Zhen Yang
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China.,Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education and Beijing National Laboratory for Molecular Science (BNLMS), and Peking-Tsinghua Center for Life Sciences , Peking University , Beijing 100871 , China
| | - Jianxian Gong
- State Key Laboratory of Chemical Oncogenomics, Key Laboratory of Chemical Genomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
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16
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Chen Y, Lu LQ, Yu DG, Zhu CJ, Xiao WJ. Visible light-driven organic photochemical synthesis in China. Sci China Chem 2018. [DOI: 10.1007/s11426-018-9399-2] [Citation(s) in RCA: 240] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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17
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Hu J, Pu TJ, Xu ZW, Xu WY, Feng YS. Cadmium Sulfide Quantum-Dot-Photocatalyzed Cascade Cyclization of Functionalized Difluoromethyl Chlorides with Unactivated Olefins. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201801246] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jinglin Hu
- School of Chemistry and Chemical Engineering; Hefei University of Technology; Hefei 230009 People's Republic of China
| | - Tong-Jun Pu
- School of Chemistry and Chemical Engineering; Hefei University of Technology; Hefei 230009 People's Republic of China
| | - Zhuo-Wei Xu
- School of Chemistry and Chemical Engineering; Hefei University of Technology; Hefei 230009 People's Republic of China
| | - Wen-Yi Xu
- School of Chemistry and Chemical Engineering; Hefei University of Technology; Hefei 230009 People's Republic of China
| | - Yi-Si Feng
- School of Chemistry and Chemical Engineering; Hefei University of Technology; Hefei 230009 People's Republic of China
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18
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Huang MH, Hao WJ, Jiang B. Recent Advances in Radical-Enabled Bicyclization and Annulation/1,n
-Bifunctionalization Reactions. Chem Asian J 2018; 13:2958-2977. [DOI: 10.1002/asia.201801119] [Citation(s) in RCA: 107] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Min-Hua Huang
- School of Chemistry & Materials Science; Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials; Jiangsu Normal University; Xuzhou 221116 P. R. China
- Biotechnology and Pharmaceutical Engineering; Nanjing Tech University; Nanjing 210009, Jiangsu P. R. China
| | - Wen-Juan Hao
- School of Chemistry & Materials Science; Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials; Jiangsu Normal University; Xuzhou 221116 P. R. China
| | - Bo Jiang
- School of Chemistry & Materials Science; Jiangsu Key Laboratory of Green Synthetic Chemistry for Functional Materials; Jiangsu Normal University; Xuzhou 221116 P. R. China
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19
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Zhao Y, Lv Y, Xia W. Synthesis of Cyclic Compounds via Photoinduced Radical Cyclization Cascade of C=C bonds. CHEM REC 2018; 19:424-439. [DOI: 10.1002/tcr.201800050] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Accepted: 06/29/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Yating Zhao
- College of Chemical and Material EngineeringQuzhou University Quzhou Zhejiang 324000 China
- State Key Lab of Urban Water Resource and EnvironmentSchool of ScienceHarbin Institute of Technology (Shenzhen) Shenzhen Guangzhou 518055 China
| | - Yanwen Lv
- College of Chemical and Material EngineeringQuzhou University Quzhou Zhejiang 324000 China
| | - Wujiong Xia
- State Key Lab of Urban Water Resource and EnvironmentSchool of ScienceHarbin Institute of Technology (Shenzhen) Shenzhen Guangzhou 518055 China
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20
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Liu J, Ding W, Zhou QQ, Liu D, Lu LQ, Xiao WJ. Enantioselective Di-/Perfluoroalkylation of β-Ketoesters Enabled by Cooperative Photoredox/Nickel Catalysis. Org Lett 2018; 20:461-464. [PMID: 29313355 DOI: 10.1021/acs.orglett.7b03826] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Efficient and enantioselective radical difluoroalkylation and perfluoroalkylation reactions of β-ketoesters were successfully developed through an asymmetric photoredox and nickel catalysis cascade. This protocol provides Rf-containing quaternary stereocenters in up to 67% yield and 95:5 er with ethyl iododifluoroacetate and perfluoroalkyl iodides (C3F7I and C4F9I) as radical sources under extremely mild conditions.
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Affiliation(s)
- Jing Liu
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Wei Ding
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Quan-Quan Zhou
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Dan Liu
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Liang-Qiu Lu
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China
| | - Wen-Jing Xiao
- Hubei International Scientific and Technological Cooperation Base of Pesticide and Green Synthesis, Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University , 152 Luoyu Road, Wuhan, Hubei 430079, P. R. China.,State Key Laboratory of Applied Organic Chemistry, Lanzhou University , Lanzhou 730000, China
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21
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Fluoride-Catalyzed Nucleophilic Addition of PhSCF2
SiMe3
to Isatins: Synthesis of 3-(1′,1′-Difluoroalkyl)-3-hydroxyindolin-2-ones. European J Org Chem 2017. [DOI: 10.1002/ejoc.201701106] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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22
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Zheng L, Gao F, Yang C, Gao GL, Zhao Y, Gao Y, Xia W. Visible-Light-Mediated Anti-Regioselective Nitrone 1,3-Dipolar Cycloaddition Reaction and Synthesis of Bisindolylmethanes. Org Lett 2017; 19:5086-5089. [DOI: 10.1021/acs.orglett.7b02251] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Lewei Zheng
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Fei Gao
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Chao Yang
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Guo-Lin Gao
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Yating Zhao
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
| | - Yuan Gao
- School
of Chemistry and Chemical Engineering, Yantai University, #30 Qingquan
Road, Laishan District, Yantai 264005, China
| | - Wujiong Xia
- State
Key Lab of Urban Water Resource and Environment, Harbin Institute of Technology (Shenzhen), Shenzhen 518055, China
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23
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Qian P, Deng Y, Mei H, Han J, Zhou J, Pan Y. Visible-Light Photoredox Catalyzed Oxidative/Reductive Cyclization Reaction of N-Cyanamide Alkenes for the Synthesis of Sulfonated Quinazolinones. Org Lett 2017; 19:4798-4801. [DOI: 10.1021/acs.orglett.7b02163] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Ping Qian
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
| | - Yu Deng
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
| | - Haibo Mei
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
| | - Jianlin Han
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
| | - Jie Zhou
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
| | - Yi Pan
- School of Chemistry and Chemical Engineering,
State Key Laboratory
of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic
Materials, Nanjing University, Nanjing 210093, China
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24
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Xia XF, Zhang GW, Wang D, Zhu SL. Visible-Light Induced and Oxygen-Promoted Oxidative Cyclization of Aromatic Enamines for the Synthesis of Quinolines Derivatives. J Org Chem 2017; 82:8455-8463. [DOI: 10.1021/acs.joc.7b01206] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiao-Feng Xia
- Key Laboratory of Synthetic
and Biological Colloids, Ministry of Education, School of Chemical
and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People’s Republic of China
| | - Guo-Wei Zhang
- Key Laboratory of Synthetic
and Biological Colloids, Ministry of Education, School of Chemical
and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People’s Republic of China
| | - Dawei Wang
- Key Laboratory of Synthetic
and Biological Colloids, Ministry of Education, School of Chemical
and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People’s Republic of China
| | - Su-Li Zhu
- Key Laboratory of Synthetic
and Biological Colloids, Ministry of Education, School of Chemical
and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People’s Republic of China
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25
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Gonda Z, Béke F, Tischler O, Petró M, Novák Z, Tóth BL. Erythrosine B Catalyzed Visible-Light Photoredox Arylation-Cyclization of N
-Alkyl-N
-aryl-2-(trifluoromethyl)acrylamides to 3-(Trifluoromethyl)indolin-2-one Derivatives. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601493] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Zsombor Gonda
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
| | - Ferenc Béke
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
| | - Orsolya Tischler
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
| | - Milán Petró
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
| | - Zoltán Novák
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
| | - Balázs L. Tóth
- MTA-ELTE “Lendület” Catalysis and Organic Synthesis Research Group; Eötvös University; Department of Organic Chemistry; Pázmány Péter stny. 1/A 1117 Budapest Hungary
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26
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Li L, Chen H, Mei M, Zhou L. Visible-light promoted γ-cyanoalkyl radical generation: three-component cyanopropylation/etherification of unactivated alkenes. Chem Commun (Camb) 2017; 53:11544-11547. [DOI: 10.1039/c7cc07347j] [Citation(s) in RCA: 136] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A photoredox approach to generate distal cyano-substituted alkyl radicals through C–C bond cleavage of cyclobutanone oximes was developed.
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Affiliation(s)
- Linyong Li
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Haoguo Chen
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Mingjing Mei
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
| | - Lei Zhou
- School of Chemistry
- Sun Yat-Sen University
- Guangzhou 510275
- China
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27
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Chaudhari TY, Ginotra SK, Tandon V. Facile access to functionalized indenes and fused quinolines by regioselective 5-enolexo-dig Michael addition and cyclization reactions. Org Biomol Chem 2017; 15:9319-9330. [DOI: 10.1039/c7ob02498c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report a facile approach to synthesise multi-substituted indenes and cyclopenta[b]quinolines under mild conditions.
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Affiliation(s)
| | | | - Vibha Tandon
- Special Centre for Molecular Medicine
- Jawaharlal Nehru University
- New Delhi-110067
- India
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28
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Li Y, Lu Y, Mao R, Li Z, Wu J. A photoinduced reaction of perfluoroalkyl halides with 1,3-diarylprop-2-yn-1-ones catalyzed by DABSO. Org Chem Front 2017. [DOI: 10.1039/c7qo00279c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The sulfur dioxide surrogate of DABCO·(SO2)2 is used as an efficient catalyst for the cleavage of the perfluoroalkyl-halogen bond under visible-light irradiation. A plausible mechanism supported by theoretical calculations is proposed.
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Affiliation(s)
- Yuewen Li
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Yiye Lu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Runyu Mao
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Zhiming Li
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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29
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Liu X, Qian P, Wang Y, Pan Y. Metal-free sequential decarbonylative annulation of N-cyanamides for the construction of 2,3-dihydropyrrolo[2,1-b]quinazolin-9(1H)-ones. Org Chem Front 2017. [DOI: 10.1039/c7qo00677b] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A convenient metal-free sequential decarbonylative annulation of unactivated alkenes for the construction of quinazolinones and dihydroisoquinolinones has been developed.
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Affiliation(s)
- Xueke Liu
- Jiangsu Key Laboratory of Advanced Organic Materials
- School of Chemistry & Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Ping Qian
- Jiangsu Key Laboratory of Advanced Organic Materials
- School of Chemistry & Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Yi Wang
- Jiangsu Key Laboratory of Advanced Organic Materials
- School of Chemistry & Chemical Engineering
- Nanjing University
- Nanjing
- China
| | - Yi Pan
- Jiangsu Key Laboratory of Advanced Organic Materials
- School of Chemistry & Chemical Engineering
- Nanjing University
- Nanjing
- China
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30
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Adouama C, Keyrouz R, Pilet G, Monnereau C, Gueyrard D, Noël T, Médebielle M. Access to cyclic gem-difluoroacyl scaffolds via electrochemical and visible light photocatalytic radical tandem cyclization of heteroaryl chlorodifluoromethyl ketones. Chem Commun (Camb) 2017; 53:5653-5656. [DOI: 10.1039/c7cc02979a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Electro- and photocatalytical synthesis of unprecedented CF2 scaffolds.
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Affiliation(s)
- Chérif Adouama
- Univ Lyon, Université Lyon 1
- CNRS
- INSA, CPE-Lyon
- ICBMS
- UMR 5246, 43
| | - Robert Keyrouz
- Univ Lyon, Université Lyon 1
- CNRS
- INSA, CPE-Lyon
- ICBMS
- UMR 5246, 43
| | | | - Cyrille Monnereau
- Univ Lyon
- Ens de Lyon
- CNRS UMR 5182
- Université Lyon 1
- Laboratoire de Chimie
| | - David Gueyrard
- Univ Lyon, Université Lyon 1
- CNRS
- INSA, CPE-Lyon
- ICBMS
- UMR 5246, 43
| | - Timothy Noël
- Department of Chemical Engineering and Chemistry
- Micro Flow Chemistry & Process Technology
- Eindhoven University of Technology
- Den Dolech 2
- 5612 AZ Eindhoven
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31
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Xiao T, Li L, Zhou L. Synthesis of Functionalized gem-Difluoroalkenes via a Photocatalytic Decarboxylative/Defluorinative Reaction. J Org Chem 2016; 81:7908-16. [PMID: 27467781 DOI: 10.1021/acs.joc.6b01620] [Citation(s) in RCA: 154] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A photocatalytic decarboxylative/defluorinative reaction of α-trifluoromethyl alkenes with α-keto acids and α-amino acids has been developed. The reaction occurs at room temperature under visible light irradiation, affording various γ,γ-difluoroallylic ketones and 1,1-difluorohomoallyl amines in good yields. The synthetic applications of the resulting functionalized gem-difluoroalkenes were also described.
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Affiliation(s)
- Tiebo Xiao
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University , 135 Xingang West Road, Guangzhou, 510275, China
| | - Linyong Li
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University , 135 Xingang West Road, Guangzhou, 510275, China
| | - Lei Zhou
- School of Chemistry and Chemical Engineering, Sun Yat-Sen University , 135 Xingang West Road, Guangzhou, 510275, China
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