1
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Xia Q, Yang J, Zhang S, Zhang J, Li Z, Wang J, Chen X. Bodipy-Based Metal-Organic Frameworks Transformed in Solid States from 1D Chains to 2D Layer Structures as Efficient Visible Light Heterogeneous Photocatalysts for Forging C-B and C-C Bonds. J Am Chem Soc 2023; 145:6123-6134. [PMID: 36912066 DOI: 10.1021/jacs.2c11647] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Abstract
Boron dipyrromethene (also known as bodipy), as a class of versatile and robust fluorophores and a structural analogue of porphyrins, has received a great deal of interests in the field of light-harvesting and energy-transfer processes. However, the fabrication of bodipy monomers into metal-organic frameworks (MOFs) and the exploitation of their potential still lags behind the porphyrin MOFs. In this work, two bodipy-based MOFs, BMOF 1D with 1D chain structure and BMOF 2D with 2D layer structure, were assembled by using dicarboxyl-functionalized bodipy ligands. BMOF 1D can also be converted to BMOF 2D by inserting additional ligands into BMOF 1D to cross-link the adjacent chains into the rhombic grid layer. During this process, spontaneous exfoliation occurred simultaneously and resulted in the formation of several hundred nanometer thickness BMOF 2D (nBMOF 2D), which can be further exfoliated into one-layer MOF nanosheets (BMON 2D) by using the ultrasonic liquid exfoliation method in a high yield. Featuring the distinct bodipy scaffolds in the porous frameworks, both BMOF 2D and BMON 2D displayed high reactivity and recyclability in the photocatalytic inverse hydroboration and cross-dehydrogenative coupling reactions to afford α-amino organoborons and α-amino amides in moderate to high yields. This work not only highlights the cascade utilization of ligand installation and ultrasonic liquid exfoliation methods to provide the single-layer MOF sheets in high yields but also advances the bodipy-based MOFs as a new type of heterogeneous photocatalysts in the forging of C-B and C-C bonds driven by visible light.
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Affiliation(s)
- Qingchun Xia
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jingli Yang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Suzhen Zhang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jie Zhang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhiyong Li
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jianji Wang
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Xuenian Chen
- Henan Key Laboratory of Boron Chemistry and Advanced Energy Materials, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
- Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
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2
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Liu C, Chen HN, Xiao TF, Hu XQ, Xu PF, Xu GQ. Organic photoredox catalyzed dealkylation/acylation of tertiary amines to access amides. Chem Commun (Camb) 2023; 59:2003-2006. [PMID: 36723060 DOI: 10.1039/d2cc05842a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A mild metal-free C-N bond activation strategy for the direct conversion of inert tertiary amines with acyl chlorides into tertiary amides via organic photoredox catalysis is presented. In this protocol, a novel organic photocatalyst (Cz-NI-Ph) that showed excellent catalytic performance during C-N bond cleavage is developed. Moreover, this reaction features green and mild conditions, broad substrate scope, and readily available raw materials.
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Affiliation(s)
- Chen Liu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Han-Nan Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Teng-Fei Xiao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Xiu-Qin Hu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China. .,State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
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3
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Ding H, Zhang S, Sun Z, Ma Q, Li Y, Yuan Y, Jia X. Tris(4-bromophenyl)aminium Hexachloroantimonate as a "Waste-Utilized"-Type Initiator-Promoted C-H Chlorination via C-H Activation Relay: Synthesis of Chlorinated Pyrroles. J Org Chem 2022; 87:15139-15151. [PMID: 36398528 DOI: 10.1021/acs.joc.2c01641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Using tris(4-bromophenyl)aminium hexachloroantimonate as a "waste-utilized"-type initiator, the aerobic oxidation of the sp3 C-H bond of proline esters was realized via C-H activation relay, giving a series of halogenated pyrroles in high yields. The mechanistic study revealed that the counterion, SbCl6-, was involved in the radical chlorination process, which provides a new way to understand the role of the counterions.
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Affiliation(s)
- Han Ding
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Shuwei Zhang
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Zheng Sun
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Qiyuan Ma
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Yuemei Li
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Yu Yuan
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Xiaodong Jia
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, 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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Zhang BB, Peng S, Wang F, Lu C, Nie J, Chen Z, Yang G, Ma C. Borane-catalyzed cascade Friedel–Crafts alkylation/[1,5]-hydride transfer/Mannich cyclization to afford tetrahydroquinolines. Chem Sci 2022; 13:775-780. [PMID: 35173942 PMCID: PMC8768868 DOI: 10.1039/d1sc05629h] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 12/20/2021] [Indexed: 12/15/2022] Open
Abstract
We report a redox-neutral annulation reaction of tertiary amines with electron-deficient alkynes under metal-free and oxidant-free conditions.
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Affiliation(s)
- Bei-Bei Zhang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Shuo Peng
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Feiyi Wang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Cuifen Lu
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Junqi Nie
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Zuxing Chen
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Guichun Yang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
| | - Chao Ma
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials, College of Chemistry and Chemical Engineering, Ministry of Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, Hubei University, Wuhan, 430062, P. R. China
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6
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Xu GQ, Xu PF. Visible light organic photoredox catalytic cascade reactions. Chem Commun (Camb) 2021; 57:12914-12935. [PMID: 34782893 DOI: 10.1039/d1cc04883j] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Over the past years, impressive progress has been made in the development of organic photoredox catalytic cascade reactions without the participation of expensive and toxic transition metals under visible light irradiation. These transformations highly depend on the in situ generation of various radical species in the photoredox catalytic cycles. Numerous chemically and biomedically valuable building blocks have been synthesized through this efficient and sustainable protocol. In this review, we highlight the recent progress in this blooming area by presenting a series of new catalytic cascade reactions mediated by organic photoredox catalysts and describe their mechanisms and applications which have appeared in the recent literature.
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Affiliation(s)
- Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China. .,State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou University, Lanzhou 730000, P. R. China
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7
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Xiao TF, Zhang YF, Hou WT, Yan PJ, Hai J, Xu PF, Xu GQ. Dehydrogenation/(3+2) Cycloaddition of Saturated Aza-Heterocycles via Merging Organic Photoredox and Lewis Acid Catalysis. Org Lett 2021; 23:8942-8946. [PMID: 34757741 DOI: 10.1021/acs.orglett.1c03431] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we report a photoinduced dehydrogenation/(3+2) cycloaddition reaction by merging organic photoredox and Lewis acid catalysis, providing a straightforward and efficient approach for directly installing a benzofuran skeleton on the saturated aza-heterocycles. In this protocol, we also describe a novel organic photocatalyst (t-Bu-DCQ) with the advantages of a wider redox potential, easy synthesis, and a low price. Furthermore, the stepwise activation mechanism of dual C(sp3)-H bonds was demonstrated by a series of experimental and computational studies.
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Affiliation(s)
- Teng-Fei Xiao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yi-Fan Zhang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Wen-Tao Hou
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Pen-Ji Yan
- College of Chemistry and Chemical Engineering, Key Laboratory of Hexi Corridor Resources Utilization of Gansu Universities, Hexi University, Zhangye 734000, P. R. China
| | - Jun Hai
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China.,State Key Laboratory of Veterinary Etiological Biology, College of Veterinary Medicine, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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8
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Sharifi A, Babaalian Z, Abaee MS, Moazami M, Mirzaei M. Synergistic promoting effect of ball milling and Fe(ii) catalysis for cross-dehydrogenative-coupling of 1,4-benzoxazinones with indoles. HETEROCYCL COMMUN 2021. [DOI: 10.1515/hc-2020-0123] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
In this work, a novel C(sp3)–C(sp2) cross-dehydrogenative-coupling method is developed to react benzoxazin-2-one derivatives with various indoles. As a result, combined use of ball milling and Fe(ii) catalysis leads to rapid coupling of 1,4-benzoxazinones with derivatives of indole. Under the conditions, derivatives of 1 couple with various indoles at room temperature to produce good yields of the desired compounds within 0.5–2 h time period. Thus, derivatives of both starting materials couple smoothly under relatively mild conditions to give good yields of 3.
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Affiliation(s)
- Ali Sharifi
- Organic Chemistry Department, Chemistry and Chemical Engineering Research Center of Iran , P. O. Box 14335-186 , Tehran , Iran
| | - Zahra Babaalian
- Organic Chemistry Department, Chemistry and Chemical Engineering Research Center of Iran , P. O. Box 14335-186 , Tehran , Iran
| | - M. Saeed Abaee
- Organic Chemistry Department, Chemistry and Chemical Engineering Research Center of Iran , P. O. Box 14335-186 , Tehran , Iran
| | - Maryam Moazami
- Organic Chemistry Department, Chemistry and Chemical Engineering Research Center of Iran , P. O. Box 14335-186 , Tehran , Iran
| | - Mojtaba Mirzaei
- Organic Chemistry Department, Chemistry and Chemical Engineering Research Center of Iran , P. O. Box 14335-186 , Tehran , Iran
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9
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Moriyama K. Recent Advances in Retained and Dehydrogenative Dual Functionalization Chemistry. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100048] [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)
- Katsuhiko Moriyama
- Department of Chemistry Graduate School of Science and Soft Molecular Activation Research Center Chiba University 1-33 Yayoi-cho, Inage-ku Chiba 263-8522 Japan
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10
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Yuan Y, Zhang S, Sun Z, Su Y, Ma Q, Yuan Y, Jia X. Oxidation of the inert sp 3 C-H bonds of tetrahydroisoquinolines through C-H activation relay (CHAR): construction of functionalized isoquinolin-1-ones. Chem Commun (Camb) 2021; 57:3347-3350. [PMID: 33659968 DOI: 10.1039/d1cc00550b] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A TBN/O2-initiated oxidation of the relatively inert 3,4-C-H bonds of THIQs was accomplished, in which the existence of an α-phosphoric ester group is crucial to enable dioxygen trapping and intramolecular HAT (C-H activation relay, CHAR), realizing the synthesis of a series of isoquinolin-1-ones in high yields. The mechanistic study confirmed that the formation of the 3,4-double bond is mediated by the CHAR process. This work provides a new strategy to achieve remote C-H bond activation.
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Affiliation(s)
- Yuan Yuan
- School of Chemistry & Chemical Engineering, Yangzhou University, Siwangting Road 180, Yangzhou, Jiangsu 225002, China.
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11
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Runemark A, Zacharias SC, Sundén H. Visible-Light-Driven Stereoselective Annulation of Alkyl Anilines and Dibenzoylethylenes via Electron Donor-Acceptor Complexes. J Org Chem 2021; 86:1901-1910. [PMID: 33397115 PMCID: PMC7884011 DOI: 10.1021/acs.joc.0c02819] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
![]()
A catalyst-free, stereoselective
visible-light-driven annulation
reaction between alkenes and N,N-substituted dialkyl anilines for the synthesis of substituted tetrahydroquinolines
is presented. The reaction is driven by the photoexcitation of an
electron donor–acceptor (EDA) complex, and the resulting products
are obtained in good to high yields with complete diastereoselectivity.
Mechanistic rationale and photochemical characterization of the EDA-complex
are provided.
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Affiliation(s)
- August Runemark
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemivägen 10, 41296 Gothenburg, Sweden
| | - Savannah C Zacharias
- Chemistry and Molecular Biology, University of Gothenburg, Kemivägen 10, 41296 Gothenburg, Sweden
| | - Henrik Sundén
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Kemivägen 10, 41296 Gothenburg, Sweden.,Chemistry and Molecular Biology, University of Gothenburg, Kemivägen 10, 41296 Gothenburg, Sweden
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12
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Yang X, Liu J, Hu F, Sun H, Wang L, Li SS. Diverse Application of 4-Hydroxycoumarin in the Syntheses of Tetrahydroquinoline and Zwitterionic Biscoumarin Derivatives. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202101024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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13
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Yang X, Hu F, Wang L, Xu L, Li SS. Hydrogen-bonding-assisted redox-neutral construction of tetrahydroquinolines via hydride transfer. Org Biomol Chem 2020; 18:4267-4271. [PMID: 32441733 DOI: 10.1039/d0ob00521e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The hydrogen-bonding-assisted construction of tetrahydroquinolines decorated with structurally diverse 3,3'-difunctional groups has been realized via a hydride transfer-involved three-step cascade reaction in the presence of morpholine. This protocol solves the limitation of acyclic 1,3-dicarbonyl compounds by one-pot synthesis of tetrahydroquinolines, featuring operational simplicity, broadly applicable substrates, and metal- and acid-free conditions with EtOH as a hydrogen-bonding donor.
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Affiliation(s)
- Xiaoyu Yang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
| | - Fangzhi Hu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China. and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Zhengzhou Rd. #53, Qingdao 266042, P. R. China
| | - Lubin Xu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
| | - Shuai-Shuai Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China. and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Zhengzhou Rd. #53, Qingdao 266042, P. R. China
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14
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Yuan K, Dong F, Yin X, Li SS, Wang L, Xu L. The dual alkylation of the C(sp3)–H bond of cyclic α-methyl-N-sulfonyl imines via the sequential condensation/hydride transfer/cyclization process. Org Chem Front 2020. [DOI: 10.1039/d0qo00972e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The dual alkylation of the C(sp3)–H bond of the cyclic α-methyl-N-sulfonyl imine has been achieved through the piperidine-promoted cascade condensation/[1,5]-hydride transfer/cyclization from cyclic α-methyl-N-sulfonyl imine and o-aminobenzaldehyde in trifluoroethanol.
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Affiliation(s)
- Kejin Yuan
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| | - Fengying Dong
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
| | - Xiangcong Yin
- Hematology Diagnosis Laboratory
- The Affiliated Hospital of Qingdao University
- Qingdao
- P. R. China
| | - Shuai-Shuai Li
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
- College of Chemistry and Molecular Engineering
| | - Liang Wang
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
- College of Chemistry and Molecular Engineering
| | - Lubin Xu
- College of Chemistry and Pharmaceutical Sciences
- Qingdao Agricultural University
- Qingdao 266109
- China
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15
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Xu JT, Xu GQ, Wang ZY, Xu PF. Visible Light Photoredox-Catalyzed α-Alkylation of Cyclic Tertiary Arylamines. J Org Chem 2019; 84:14760-14769. [PMID: 31642323 DOI: 10.1021/acs.joc.9b02347] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An efficient method was successfully developed to obtain cyclic β-amino ketones via visible-light photoredox catalysis. With this catalytic system, vinyl azides and N-Ph pyrrolidines react to form cyclic β-amino ketones by α-amino radical addition. This method provides a simple, mild, straightforward, and novel paradigm to prepare important β-amino ketones.
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Affiliation(s)
- Ji-Tao Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , Gansu 730000 , P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , Gansu 730000 , P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , Gansu 730000 , P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou , Gansu 730000 , P. R. China
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16
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Zhao QS, Xu GQ, Liang H, Wang ZY, Xu PF. Aroylchlorination of 1,6-Dienes via a Photoredox Catalytic Atom-Transfer Radical Cyclization Process. Org Lett 2019; 21:8615-8619. [DOI: 10.1021/acs.orglett.9b03222] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Quan-Sheng Zhao
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Hui Liang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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17
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Sun Z, Ji H, Shao Y, He K, Zhang Y, Yuan Y, Jia X. Difunctionalization of the C–N Bond through tert-Butylnitrite-Initiated C–N Cleavage of 1,2,3,4-Tetrahydroisoquinolines and N,N′-Diarylimidazolidines under Transition-Metal-Free Conditions. J Org Chem 2019; 84:12292-12300. [DOI: 10.1021/acs.joc.9b01560] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zheng Sun
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Honghe Ji
- College of Chemistry & Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Yu Shao
- School of Information Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China
| | - Kaixuan He
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Yuxian Zhang
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Yu Yuan
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Xiaodong Jia
- School of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
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18
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Muthukrishnan I, Sridharan V, Menéndez JC. Progress in the Chemistry of Tetrahydroquinolines. Chem Rev 2019; 119:5057-5191. [PMID: 30963764 DOI: 10.1021/acs.chemrev.8b00567] [Citation(s) in RCA: 238] [Impact Index Per Article: 47.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tetrahydroquinoline is one of the most important simple nitrogen heterocycles, being widespread in nature and present in a broad variety of pharmacologically active compounds. This Review summarizes the progress achieved in the chemistry of tetrahydroquinolines, with emphasis on their synthesis, during the period from mid-2010 to early 2018.
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Affiliation(s)
- Isravel Muthukrishnan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India.,Department of Chemistry and Chemical Sciences , Central University of Jammu , Rahya-Suchani (Bagla) , District-Samba, Jammu 181143 , Jammu and Kashmir , India
| | - J Carlos Menéndez
- Unidad de Química Orgańica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia , Universidad Complutense , 28040 Madrid , Spain
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19
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Borpatra PJ, Rastogi GK, Saikia MB, Deb ML, Baruah PK. Multi‐Component Reaction of 6‐Aminouracils, Aldehydes and Secondary Amines: Conversion of the Products into Pyrimido[4,5‐
d
]pyrimidines through C‐H Amination/Cyclization. ChemistrySelect 2019. [DOI: 10.1002/slct.201900210] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Paran J. Borpatra
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Gaurav K. Rastogi
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
- Applied Organic Chemistry, CSIR-NEIST Jorhat- 785006 Assam
| | - Ms. B‐S. Saikia
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Mohit L. Deb
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
| | - Pranjal K. Baruah
- Department of Applied Sciences, GUISTGauhati University, Guwahati- 781014 Assam India
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20
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Liang H, Xu GQ, Feng ZT, Wang ZY, Xu PF. Dual Catalytic Switchable Divergent Synthesis: An Asymmetric Visible-Light Photocatalytic Approach to Fluorine-Containing γ-Keto Acid Frameworks. J Org Chem 2018; 84:60-72. [PMID: 30507130 DOI: 10.1021/acs.joc.8b02316] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, we describe a novel and efficient method for constructing a series of fluorine-containing γ-keto acid derivatives through combining visible-light photoredox catalysis and chiral Lewis acid catalysis. With this dual catalytic strategy, a variety of chiral γ-keto amides containing a gem-difluoroalkyl group and a series of fluorine-containing α,β-unsaturated-γ-keto esters were successfully constructed with high stereoselectivities, respectively. A series of experiments showed that the chemoselectivity of this process was highly dependent on the fluorine reagents besides the Lewis acid catalysts. This approach facilitates rapid access to γ-keto acid derivatives, an important class of precursors for pharmaceuticals, plasticizers, and various other additives.
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Affiliation(s)
- Hui Liang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Zhi-Tao Feng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering , Lanzhou University , Lanzhou 730000 , P. R. China
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21
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Liu S, Zhao Z, Wang Y. Construction of N-Heterocycles through Cyclization of Tertiary Amines. Chemistry 2018; 25:2423-2441. [PMID: 30357981 DOI: 10.1002/chem.201803960] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Indexed: 12/27/2022]
Abstract
N-Heterocycles have been found in a large number of natural products, drug molecules, and bioactive compounds, and they thereby play a vital role in diverse research disciplines including drug discovery, organic synthesis, chemical biology, and material science. To this end, the development of new methods and strategies for the construction of N-heterocyclic frameworks is arguably one of the most dynamic and significant research areas in organic synthesis. One of these powerful approaches to the synthesis of N-heterocycles is to establish cyclization reactions based on the transformation of tertiary amines, which has emerged as an attractive research topic. In this Minireview, the significant achievements in the construction of N-heterocycles through cyclization of tertiary amines are highlighted and a comprehensive overview of the rational design, development, and application of these synthetic methods is presented.
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Affiliation(s)
- Shuya Liu
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
| | - Zhiguo Zhao
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
| | - Yao Wang
- Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, 27 Shanda Nanlu, Jinan, 250100, Shandong, P. R. China
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22
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Xu GQ, Feng ZT, Xu JT, Wang ZY, Qin Y, Xu PF. Transition-Metal-Free Selective C-H Benzylation of Tertiary Arylamines by a Dearomatization-Aromatization Sequence. Chemistry 2018; 24:13778-13782. [PMID: 30048022 DOI: 10.1002/chem.201803211] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Indexed: 01/29/2023]
Abstract
Due to the significance of hybrid systems in drug discovery, there is an urgent need to assemble multiple biologically active ingredients into a single molecule. Here, we report a general transition-metal-free selective C-H benzylation of tertiary arylamines in good to excellent yields with a broad substrate scope and high functional-group tolerance under mild conditions. Besides arylamines, some other benzene derivatives also readily furnished the corresponding diaryl methane derivatives with this protocol. A series of control experiments and theoretical calculations indicated that this transition-metal-free reaction is a dearomatization-aromatization process.
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Affiliation(s)
- Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China.,Institute of Nanoscience and Nanotechnology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Zhi-Tao Feng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Ji-Tao Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Yong Qin
- Institute of Nanoscience and Nanotechnology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
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23
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Oxidative Asymmetric Formal Aza-Diels⁻Alder Reactions of Tetrahydro-β-carboline with Enones in the Synthesis of Indoloquinolizidine-2-ones. Molecules 2018; 23:molecules23092228. [PMID: 30200483 PMCID: PMC6225203 DOI: 10.3390/molecules23092228] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 08/26/2018] [Accepted: 08/29/2018] [Indexed: 11/16/2022] Open
Abstract
Ru-catalyzed tandem amine oxidative dehydrogenation/formal aza-Diels⁻Alder reaction for enantio- and diastereoselective synthesis of indoloquinolizidine-2-ones from tetrahydro-β-carbolines and α,β-unsaturated ketones is described. The reaction proceeds via tandem ruthenium-catalyzed amine dehydrogenation using tert-butyl hydroperoxide (TBHP) as the oxidant and a chiral thiourea-catalyzed formal aza-[4 + 2] cycloaddition, providing a step-economical strategy for the synthesis of these valuable heterocyclic products.
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24
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Jiang W, Wang Y, Niu P, Quan Z, Su Y, Huo C. Double-Oxidative Dehydrogenative (DOD) [4 + 2]-Cyclization/Oxidative Aromatization Tandem Reaction of Glycine Derivatives with Ethylbenzenes. Org Lett 2018; 20:4649-4653. [DOI: 10.1021/acs.orglett.8b01941] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Wei Jiang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Yajun Wang
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Pengfei Niu
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Zhengjun Quan
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Yingpeng Su
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
| | - Congde Huo
- Key Laboratory of Eco-Environment-Related Polymer Materials Ministry of Education, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
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25
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Mo JN, Yu WL, Chen JQ, Hu XQ, Xu PF. Regiospecific Three-Component Aminofluorination of Olefins via Photoredox Catalysis. Org Lett 2018; 20:4471-4474. [DOI: 10.1021/acs.orglett.8b01760] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jia-Nan Mo
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Wan-Lei Yu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jian-Qiang Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiu-Qin Hu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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26
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Advances in Development of C–H Activation/Functionalization Using a Catalytic Directing Group. ChemistrySelect 2018. [DOI: 10.1002/slct.201801097] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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27
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Dong W, Yuan Y, Gao X, Hu B, Xie X, Zhang Z. Merging Visible-Light Photoredox and Lewis Acid Catalysis for the Intramolecular Aza-Diels-Alder Reaction: Synthesis of Substituted Chromeno[4,3-b
]quinolines and [1,6]Naphthyridines. ChemCatChem 2018. [DOI: 10.1002/cctc.201800192] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wuheng Dong
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
| | - Yao Yuan
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
| | - Xiaoshuang Gao
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
| | - Bei Hu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
| | - Xiaomin Xie
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
| | - Zhaoguo Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs; School of Chemistry and Chemical Engineering; Shanghai Jiao Tong University; 800 Dongchuan Road Shanghai 200240 P.R. China
- 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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Chen JQ, Chang R, Lin JB, Luo YC, Xu PF. Photoredox-Induced Intramolecular 1,5-H Transfer Reaction of Aryl Iodides for the Synthesis of Spirocyclic γ-Lactams. Org Lett 2018; 20:2395-2398. [PMID: 29613807 DOI: 10.1021/acs.orglett.8b00731] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This work develops a photocatalysis method for the synthesis of γ-spirolactams through a tandem intramolecular 1,5-HAT reaction-cyclization process. A variety of novel γ-spirolactams are prepared in good to excellent yields with this method. This transformation features mild reaction conditions and exceptional functional group tolerance. Additionally, γ-terpinene is applied to this transformation as a hydrogen atom donor for the first time.
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Affiliation(s)
- Jian-Qiang Chen
- State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , PR China
| | - Rui Chang
- State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , PR China
| | - Jun-Bing Lin
- State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , PR China
| | - Yong-Chun Luo
- State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , PR China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , PR China
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29
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Xu GQ, Xu JT, Feng ZT, Liang H, Wang ZY, Qin Y, Xu PF. Dual C(sp3
)−H Bond Functionalization of N-Heterocycles through Sequential Visible-Light Photocatalyzed Dehydrogenation/[2+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201710523] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
- Institute of Nanoscience and Nanotechnology; School of Physical Science and Technology; Lanzhou University; Lanzhou 730000 P. R. China
| | - Ji-Tao Xu
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
| | - Zhi-Tao Feng
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
| | - Hui Liang
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
| | - Yong Qin
- Institute of Nanoscience and Nanotechnology; School of Physical Science and Technology; Lanzhou University; Lanzhou 730000 P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 P. R. China
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30
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Xu GQ, Xu JT, Feng ZT, Liang H, Wang ZY, Qin Y, Xu PF. Dual C(sp 3 )-H Bond Functionalization of N-Heterocycles through Sequential Visible-Light Photocatalyzed Dehydrogenation/[2+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2018; 57:5110-5114. [PMID: 29473702 DOI: 10.1002/anie.201710523] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Indexed: 02/04/2023]
Abstract
Herein we describe a mild method for the dual C(sp3 )-H bond functionalization of saturated nitrogen-containing heterocycles through a sequential visible-light photocatalyzed dehydrogenation/[2+2] cycloaddition procedure. As a complementary approach to the well-established use of iminium ion and α-amino radical intermediates, the elusive cyclic enamine intermediates were effectively generated by photoredox catalysis under mild conditions and efficiently captured by acetylene esters to form a wide array of bicyclic amino acid derivatives, thus enabling the simultaneous functionalization of two vicinal C(sp3 )-H bonds.
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Affiliation(s)
- Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China.,Institute of Nanoscience and Nanotechnology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Ji-Tao Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Zhi-Tao Feng
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Hui Liang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yong Qin
- Institute of Nanoscience and Nanotechnology, School of Physical Science and Technology, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P. R. China
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31
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Synthesis of quinazolinone derivatives via a visible-light photocatalyzed denitrogenation rearrangement process. J Photochem Photobiol A Chem 2018. [DOI: 10.1016/j.jphotochem.2017.12.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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32
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Zhang GY, Yu KX, Zhang C, Guan Z, He YH. Oxidative Cross-Dehydrogenative-Coupling Reaction of 3,4-Dihydro-1,4-Benzoxazin-2-ones through Visible-Light Photoredox Catalysis. European J Org Chem 2018. [DOI: 10.1002/ejoc.201701683] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Guo-Yan Zhang
- Key Laboratory of Applied Chemistry of Chongqing Municipality; School of Chemistry and Chemical Engineering; Southwest University; 400715 Chongqing P. R. China
| | - Kai-Xin Yu
- Key Laboratory of Applied Chemistry of Chongqing Municipality; School of Chemistry and Chemical Engineering; Southwest University; 400715 Chongqing P. R. China
| | - Chen Zhang
- Key Laboratory of Applied Chemistry of Chongqing Municipality; School of Chemistry and Chemical Engineering; Southwest University; 400715 Chongqing P. R. China
| | - Zhi Guan
- Key Laboratory of Applied Chemistry of Chongqing Municipality; School of Chemistry and Chemical Engineering; Southwest University; 400715 Chongqing P. R. China
| | - Yan-Hong He
- Key Laboratory of Applied Chemistry of Chongqing Municipality; School of Chemistry and Chemical Engineering; Southwest University; 400715 Chongqing P. R. China
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33
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Zhang Y, Yang X, Zhou H, Li S, Zhu Y, Li Y. Visible light-induced aerobic oxidative cross-coupling of glycine derivatives with indoles: a facile access to 3,3′ bisindolylmethanes. Org Chem Front 2018. [DOI: 10.1039/c8qo00341f] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A rapid synthesis of 3,3′-bisindolylmethanes is achieved via a photocatalyzed double Friedel–Crafts alkylation reaction between glycine derivatives and indoles.
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Affiliation(s)
- Yuan Zhang
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Xiaorong Yang
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Huang Zhou
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Shilin Li
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yin Zhu
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Ying Li
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
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34
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He Y, Yan B, Tao H, Zhang Y, Li Y. Metal-free photocatalyzed aerobic oxidative Csp3–H functionalization of glycine derivatives: one-step generation of quinoline-fused lactones. Org Biomol Chem 2018; 16:3816-3823. [DOI: 10.1039/c8ob00240a] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This reaction provides facile access to a series of valuable quinoline-fused lactones at room temperature under an air atmosphere.
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Affiliation(s)
- Youxiang He
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- People's Republic of China
| | - Baorun Yan
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- People's Republic of China
| | - Hua Tao
- Northwest Institute of Eco-Environmental and Resources
- CAS
- China
| | - Yuan Zhang
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- People's Republic of China
| | - Ying Li
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou
- People's Republic of China
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35
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Yu WL, Chen JQ, Wei YL, Wang ZY, Xu PF. Alkene functionalization for the stereospecific synthesis of substituted aziridines by visible-light photoredox catalysis. Chem Commun (Camb) 2018; 54:1948-1951. [DOI: 10.1039/c7cc09151f] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A novel strategy involving visible-light-induced functionalization of alkenes for the stereospecific synthesis of substituted aziridines was developed.
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Affiliation(s)
- Wan-Lei Yu
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Jian-Qiang Chen
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Yun-Long Wei
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry
- College of Chemistry and Chemical Engineering
- Lanzhou University
- Lanzhou 730000
- P. R. China
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36
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Chen JQ, Chang R, Wei YL, Mo JN, Wang ZY, Xu PF. Direct Decarboxylative–Decarbonylative Alkylation of α-Oxo Acids with Electrophilic Olefins via Visible-Light Photoredox Catalysis. J Org Chem 2017; 83:253-259. [DOI: 10.1021/acs.joc.7b02628] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Jian-Qiang Chen
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Rui Chang
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yun-Long Wei
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Jia-Nan Mo
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Zhu-Yin Wang
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied
Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
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37
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Liu WD, Xu GQ, Hu XQ, Xu PF. Visible-Light-Induced Aza-Pinacol Rearrangement: Ring Expansion of Alkylidenecyclopropanes. Org Lett 2017; 19:6288-6291. [DOI: 10.1021/acs.orglett.7b02989] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Wen-Deng Liu
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiu-Qin Hu
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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38
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Dong J, Min W, Li H, Quan Z, Yang C, Huo C. Iron-Catalyzed C(sp
3
)−C(sp
3
) Bond Formation in 3,4-Dihydro-1,4-benzoxazin-2-ones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700816] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jie Dong
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
| | - Wenjian Min
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
| | - Haitao Li
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
| | - Zhengjun Quan
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
| | - Caixia Yang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
| | - Congde Huo
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou Gansu 730070 People's Republic of China
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39
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Ruthenium-Catalyzed Oxidative Formal Aza-Diels-Alder Reaction: Enantioselective Synthesis of Benzo[a
]quinolizine-2-ones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700738] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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40
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Xin JR, Guo JT, Vigliaturo D, He YH, Guan Z. Metal-free visible light driven synthesis of tetrahydroquinoline derivatives utilizing Rose Bengal. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.06.030] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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41
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Liu D, Chen JQ, Wang XZ, Xu PF. Metal-Free, Visible-Light-Promoted Synthesis of 3-Phosphorylated Coumarins via
Radical C−P/C−C Bond Formation. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700293] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Dan Liu
- A State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 People's Republic of China, Fax: (+86)-931-891-5557
| | - Jian-Qiang Chen
- A State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 People's Republic of China, Fax: (+86)-931-891-5557
| | - Xing-Zhi Wang
- A State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 People's Republic of China, Fax: (+86)-931-891-5557
| | - Peng-Fei Xu
- A State Key Laboratory of Applied Organic Chemistry; College of Chemistry and Chemical Engineering; Lanzhou University; Lanzhou 730000 People's Republic of China, Fax: (+86)-931-891-5557
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42
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Ni M, Zhang Y, Gong T, Feng B. Gold-Oxazoline Complex-Catalyzed Cross-Dehydrogenative Coupling of Glycine Derivatives and Alkenes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201601066] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Minjie Ni
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Yan Zhang
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Tingting Gong
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
| | - Bainian Feng
- School of Pharmaceutical Science; Jiangnan University; Wuxi 214122 People's Republic of China
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43
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Li CG, Xu GQ, Xu PF. Synthesis of Fused Pyran Derivatives via Visible-Light-Induced Cascade Cyclization of 1,7-Enynes with Acyl Chlorides. Org Lett 2017; 19:512-515. [DOI: 10.1021/acs.orglett.6b03684] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Chen-Guang Li
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Guo-Qiang Xu
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied
Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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44
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Moriyama K, Hamada T, Nakamura Y, Togo H. Catalytic dehydrogenative dual functionalization of ethers: dealkylation–oxidation–bromination accompanied by C–O bond cleavage via aerobic oxidation of bromide. Chem Commun (Camb) 2017; 53:6565-6568. [DOI: 10.1039/c7cc02166f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Catalytic dehydrogenative dual functionalization (DDF) of ethers via oxidation, dealkylation, and α-bromination by the aerobic oxidation of bromide was developed to obtain the corresponding α-bromo ketones in high yields.
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Affiliation(s)
- Katsuhiko Moriyama
- Department of Chemistry
- Graduate School of Science
- Chiba University
- Chiba 263-8522
- Japan
| | - Tsukasa Hamada
- Department of Chemistry
- Graduate School of Science
- Chiba University
- Chiba 263-8522
- Japan
| | - Yu Nakamura
- Department of Chemistry
- Graduate School of Science
- Chiba University
- Chiba 263-8522
- Japan
| | - Hideo Togo
- Department of Chemistry
- Graduate School of Science
- Chiba University
- Chiba 263-8522
- Japan
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45
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Jia X, Lü S, Yuan Y, Zhang X, Zhang L, Luo L. A dual removable activating group enabled the Povarov reaction of N-arylalanine esters: synthesis of quinoline-4-carboxylate esters. Org Biomol Chem 2017; 15:2931-2937. [DOI: 10.1039/c7ob00446j] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A dual removable activating group enabled Povarov reaction of N-arylalanine esters was reported.
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Affiliation(s)
- Xiaodong Jia
- College of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
- College of Chemistry and Chemical Engineering
| | - Shiwei Lü
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Yu Yuan
- College of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Xuewen Zhang
- College of Chemistry and Chemical Engineering
- Yangzhou University
- Yangzhou
- China
| | - Liang Zhang
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
| | - Liangliang Luo
- College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- China
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46
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Hu W, Zheng Q, Sun S, Cheng J. Rh(iii)-Catalyzed bilateral cyclization of aldehydes with nitrosos toward unsymmetrical acridines proceeding with C–H functionalization enabled by a transient directing group. Chem Commun (Camb) 2017; 53:6263-6266. [DOI: 10.1039/c7cc03006a] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
A Rh(iii)-catalyzed bilateral cyclization was developed for the efficient construction of acridines proceeding with C–H functionalization byin situformation and removal of a transient directing group.
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Affiliation(s)
- Weiming Hu
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- and Institute for Natural and Synthetic Organic Chemistry
- Changzhou University
- Changzhou 213164
| | - Qingheng Zheng
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- and Institute for Natural and Synthetic Organic Chemistry
- Changzhou University
- Changzhou 213164
| | - Song Sun
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- and Institute for Natural and Synthetic Organic Chemistry
- Changzhou University
- Changzhou 213164
| | - Jiang Cheng
- School of Petrochemical Engineering
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology
- and Institute for Natural and Synthetic Organic Chemistry
- Changzhou University
- Changzhou 213164
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47
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Chen JQ, Yu WL, Wei YL, Li TH, Xu PF. Photoredox-Induced Functionalization of Alkenes for the Synthesis of Substituted Imidazolines and Oxazolidines. J Org Chem 2016; 82:243-249. [DOI: 10.1021/acs.joc.6b02377] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jian-Qiang Chen
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Wan-Lei Yu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Yun-Long Wei
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
| | - Teng-Hui Li
- The High School Attached to Northwest Normal University, Lanzhou, 730000, P. R. China
| | - Peng-Fei Xu
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000, P. R. China
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48
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Song Z, Antonchick AP. Catching α-aminoalkyl radicals: cyclization between tertiary alkylanilines and alkenes. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.04.052] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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49
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Yang X, Li L, Li Y, Zhang Y. Visible-Light-Induced Photocatalytic Aerobic Oxidative Csp3–H Functionalization of Glycine Derivatives: Synthesis of Substituted Quinolines. J Org Chem 2016; 81:12433-12442. [DOI: 10.1021/acs.joc.6b02683] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Xiaorong Yang
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, PR China
| | - Liqi Li
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, PR China
| | - Ying Li
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, PR China
| | - Yuan Zhang
- State Key Laboratory of Applied Organic
Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, 222 Tianshui South Road, Lanzhou 730000, PR China
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50
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Xu GQ, Liang H, Fang J, Jia ZL, Chen JQ, Xu PF. Catalytic Enantioselective α-Fluorination of 2-Acyl Imidazoles via Iridium Complexes. Chem Asian J 2016; 11:3355-3358. [PMID: 27790869 DOI: 10.1002/asia.201601306] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 10/21/2016] [Indexed: 11/07/2022]
Abstract
The first highly enantioselective α-fluorination of 2-acyl imidazoles utilizing iridium catalysis has been accomplished. This transformation features mild conditions and a remarkably broad substrate scope, providing an efficient and highly enantioselective approach to obtain a wide range of fluorine-containing 2-acyl imidazoles which are found in a variety of bioactive compounds and prodrugs. A large scale synthesis has also been tested to demonstrate the potential utility of this fluorination method.
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Affiliation(s)
- Guo-Qiang Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Hui Liang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Jie Fang
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Zhi-Long Jia
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Jian-Qiang Chen
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
| | - Peng-Fei Xu
- State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, P.R. China
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