1
|
Ren W, Sheng X, Shi Y. Pd-Catalyzed Regioselective Hydrocarboxylation of Alkyl Terminal Olefins with Oxalic Acid. Org Lett 2024; 26:6174-6178. [PMID: 39018357 DOI: 10.1021/acs.orglett.4c02009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/19/2024]
Abstract
A Pd-catalyzed regioselective hydrocarboxylation of alkyl terminal olefins with oxalic acid is described. A wide variety of linear carboxylic acids can be readily obtained in good yields and high l/b (linear/branched) ratios with Pd2(dba)3 and (p-ClPh)3P under mild conditions. The reaction process is operationally simple and requires no handling of toxic CO. In addition, branched carboxylic acids can also be formed in good regioselectivities with PdCl2 and (2',6'-dimethoxy-[1,1'-biphenyl]-2-yl)diphenylphosphine (L1).
Collapse
Affiliation(s)
- Wenlong Ren
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Xujian Sheng
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Yian Shi
- Jiangsu Key Laboratory of Advanced Catalytic Materials & Technology, School of Petrochemical Engineering Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| |
Collapse
|
2
|
Ismaeel N, Imran S, Zhu X, Chen J, Yuan D, Yao Y. Rare Earth Amide-Catalyzed Direct Thioesterification of Aldehydes with Thiols under Mild Conditions. Org Lett 2023. [PMID: 37991481 DOI: 10.1021/acs.orglett.3c03497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Direct thioesterification of aldehydes with thiols catalyzed by readily accessible rare earth/lithium amide RE[N(SiMe3)2]3(μ-Cl)Li(THF)3 is developed, which enables the preparation of a range of thioesters (31 examples) under room temperature and solvent-free conditions, without using any additive or external oxidant. This method provides a straightforward and atom-efficient approach for the thioester synthesis.
Collapse
Affiliation(s)
- Nadia Ismaeel
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
| | - Sajid Imran
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
| | - Xuehua Zhu
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou 215009, People's Republic of China
| | - Jue Chen
- School of Biological and Chemical Engineering, NingboTech University, Ningbo 315100, People's Republic of China
| | - Dan Yuan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
| | - Yingming Yao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
| |
Collapse
|
3
|
Ren W, Sheng X, Fan C, Shi Y. Pd-Catalyzed Regiodivergent Hydrocarboxylation of Olefins with Oxalic Acid: A Remarkable Effect of the Counteranion on Regioselectivity. Org Lett 2023; 25:7786-7790. [PMID: 37856251 DOI: 10.1021/acs.orglett.3c02805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
A regioselective Pd-catalyzed hydrocarboxylation of vinyl arenes with oxalic acid is described. A wide variety of either linear or branched carboxylic acids can be readily obtained with high regioselectivities under mild reaction conditions. The reaction process is operationally simple and requires no handling of toxic CO. Besides the ligand, the counteranion of the Pd catalyst system plays an important role in the regioselectivity.
Collapse
Affiliation(s)
- Wenlong Ren
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Xujian Sheng
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Chengcheng Fan
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| | - Yian Shi
- Institute of Natural and Synthetic Organic Chemistry, Changzhou University, Changzhou 213164, China
| |
Collapse
|
4
|
Hu GQ, Zhang WY, Liu YX, Liu JH, Zhao B. Visible Light-Accelerated Palladium-Catalyzed Thiocarbonylation Using Oxalic Acid Monothioester with Aryl/Alkenyl Sulfonium Salts. J Org Chem 2023; 88:14351-14356. [PMID: 37802501 DOI: 10.1021/acs.joc.3c01173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Herein, we present a decarboxylative thiocarbonylation of aryl and alkenyl sulfonium salts with oxalic acid monothioethers (OAMs), which can be achieved by visible light-accelerated palladium catalysis. Sulfonium salts are widely available, and OAM is an easily accessible and stored reagent; this mild reaction method can also be used for the synthesis of different types of thioester compounds. The reaction represents a new application of visible light-accelerated palladium catalysis in catalytic decarboxylative cross-couplings.
Collapse
Affiliation(s)
- Guo-Qin Hu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Wen-Yan Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Yong-Xin Liu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Jing-Hui Liu
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
| | - Bin Zhao
- School of Chemical Engineering, Zhengzhou University, Zhengzhou 450001, China
| |
Collapse
|
5
|
Chai TJ, Chiou XS, Lin NX, Kuo YT, Lin CK. In situ generation of acyloxyphosphoniums for mild and efficient synthesis of thioesters. Org Biomol Chem 2023; 21:7541-7545. [PMID: 37676265 DOI: 10.1039/d3ob01318a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
We present a novel approach for in situ generation of acyloxyphosphoniums by premixing iodobenzene dicarboxylates and triphenylphosphine, resulting in efficient thioester synthesis (up to 100% yield). Stable solid iodobenzene dicarboxylates, achieved via carboxylate exchange, serve as hypervalent iodine precursors. The resulting acyloxyphosphoniums allow convenient one-pot thioester synthesis under mild conditions. Our method demonstrates facile acyloxyphosphonium production from iodobenzene dicarboxylates and Ph3P, enabling diverse thioester preparation. ESI-MS analysis confirms acyloxyphosphonium ion formation, pivotal in acylation. This strategy holds potential for combinatorial thioester synthesis and broader nucleophile modification applications.
Collapse
Affiliation(s)
- Te-Jung Chai
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Xin-Shun Chiou
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Nian-Xuan Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Yu-Tsen Kuo
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| | - Cheng-Kun Lin
- Department of Chemistry, National Chung Hsing University, Taichung 402, Taiwan.
| |
Collapse
|
6
|
Cao H, Shi Y, Ma J, Yan P, Cong X, Bie F. Palladium- and Nickel-Catalyzed Synthesis of Thioethers via Thioesters - Aryl Halides Coupling. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
|
7
|
Yang R, Xie Q, Yan Q, Zhang X, Gao B. Palladium-Catalyzed Thiocarbonylation of Aryl Iodides with S-Aryl Thioformates via Thioester Transfer. Org Lett 2022; 24:7555-7559. [PMID: 36214733 DOI: 10.1021/acs.orglett.2c02953] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein we reported a novel approach to synthesize thioesters with S-aryl thioformates as thioester sources. The reaction proceeded at ambient temperature using widely available starting ingredients, wherein the thioester moiety was smoothly transferred to aryl iodides from S-aryl thioformates. A variety of substrates with various electronic natures were all tolerated under the reaction conditions to furnish desirable thioesters in ranges from moderate to excellent yields. The gram-scale reaction was also conducted, and there was virtually little change in chemical yield, indicating that large-scale synthesis of thioesters may be viable using this method.
Collapse
Affiliation(s)
- Ruiting Yang
- School of Science, Anhui Agricultural University, Hefei, 230036, P. R. China
| | - Qiumin Xie
- School of Science, Anhui Agricultural University, Hefei, 230036, P. R. China
| | - Qian Yan
- School of Science, Anhui Agricultural University, Hefei, 230036, P. R. China
| | - Xiuli Zhang
- School of Science, Anhui Agricultural University, Hefei, 230036, P. R. China
| | - Bao Gao
- School of Science, Anhui Agricultural University, Hefei, 230036, P. R. China
| |
Collapse
|
8
|
Xu JX, Wang LC, Wu XF. Palladium-Catalyzed Desulfonative Carbonylation of Thiosulfonates: Elimination of SO 2 and Insertion of CO. Org Lett 2022; 24:4820-4824. [PMID: 35739644 DOI: 10.1021/acs.orglett.2c01951] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A palladium-catalyzed desulfonative carbonylation of thiosulfonates has been explored. Without any additive, a series of S-aryl/alkyl benzenesulfonothioates were successfully transformed to thioesters in moderate to excellent yields by SO2 extrusion and CO insertion under the pressure of 1 bar of CO. The solvent dimethylacetamide (DMAc) facilitated this desulfonative carbonylation due to its high absorbing ability of SO2.
Collapse
Affiliation(s)
- Jian-Xing Xu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023 Dalian, Liaoning, China
| | - Le-Cheng Wang
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023 Dalian, Liaoning, China
| | - Xiao-Feng Wu
- Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Science, 116023 Dalian, Liaoning, China.,Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| |
Collapse
|
9
|
Volkov AA, Bugaenko DI, Bogdanov AV, Karchava AV. Visible-Light-Driven Thioesterification of Aryl Halides with Potassium Thiocarboxylates: Transition-Metal Catalyst-Free Incorporation of Sulfur Functionalities into an Aromatic Ring. J Org Chem 2022; 87:8170-8182. [PMID: 35653579 DOI: 10.1021/acs.joc.2c00913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reactions of acceptor-substituted aryl iodides and bromides with potassium thiocarboxylates under white light irradiation allow for the preparation of S-aryl thioesters including synthetically versatile S-aryl thioacetates. This transition-metal and external photocatalyst-free method features extremely mild reaction conditions compared with those used in transition-metal-catalyzed protocols. Reactions proceed via the initial formation of an electron donor-acceptor (EDA) complex in the ground state, which was supported by UV-vis spectra. Electron paramagnetic resonance (EPR) spin-trapping experiments using phenyl-N-tert-butylnitrone (PBN) have revealed the radical nature of the reaction.
Collapse
Affiliation(s)
- Alexey A Volkov
- Department of Chemistry, Moscow State University, Moscow 119234, Russia
| | - Dmitry I Bugaenko
- Department of Chemistry, Moscow State University, Moscow 119234, Russia
| | - Alexey V Bogdanov
- Department of Chemistry, Moscow State University, Moscow 119234, Russia
| | | |
Collapse
|
10
|
Li K, Shen N, Liu C, Shang R. Palladium-catalyzed Regiodivergent Decarboxylative Hydrothiocarbonylation of Vinylarenes using Oxalic Acid Monothioesters. Synlett 2022. [DOI: 10.1055/a-1807-8282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Oxalic acid monothioester (OAM), an easily accessible and bench-stable reagent, is reported herein as a synthetic equivalent of thioester for palladium-catalyzed decarboxylative hydrothiocarbonylation of vinylarenes to achieve both branched and linear regioselectivity. The reactions provided user-friendly synthetic methods for preparation of alfa- or beta-arylated propionic acid thioesters from vinylarenes without directly handling toxic carbon monoxide and odorous thiols.
Collapse
Affiliation(s)
- Kang Li
- Chemistry, University of Science and Technology of China, Hefei, China
| | - Ni Shen
- Chemistry, University of Science and Technology of China, Hefei, China
| | - Can Liu
- Chemistry, University of Science and Technology of China, Hefei, China
| | - Rui Shang
- Chemistry, University of Science and Technology of China, Hefei, China
- chemistry, The University of Tokyo, Tokyo, Japan
| |
Collapse
|
11
|
Yano de Albuquerque D, Teixeira WKO, Sacramento MD, Alves D, Santi C, Schwab RS. Palladium-Catalyzed Carbonylative Synthesis of Aryl Selenoesters Using Formic Acid as an Ex Situ CO Source. J Org Chem 2021; 87:595-605. [PMID: 34962405 DOI: 10.1021/acs.joc.1c02608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A new catalytic protocol for the synthesis of selenoesters from aryl iodides and diaryl diselenides has been developed, where formic acid was employed as an efficient, low-cost, and safe substitute for toxic and gaseous CO. This protocol presents a high functional group tolerance, providing access to a large family of selenoesters in high yields (up to 97%) while operating under mild reaction conditions, and avoids the use of selenol which is difficult to manipulate, easily oxidizes, and has a bad odor. Additionally, this method can be efficiently extended to the synthesis of thioesters with moderate-to-excellent yields, by employing for the first time diorganyl disulfides as precursors.
Collapse
Affiliation(s)
- Danilo Yano de Albuquerque
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Departamento de Química, Universidade Federal de São Carlos─UFSCar, Rodovia Washington Luís, km 235-SP-310, São Carlos, São Paulo 13565-905, Brazil
| | - Wystan K O Teixeira
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Departamento de Química, Universidade Federal de São Carlos─UFSCar, Rodovia Washington Luís, km 235-SP-310, São Carlos, São Paulo 13565-905, Brazil
| | - Manoela do Sacramento
- LASOL-CCQFA, Universidade Federal de Pelotas-UFPel, P.O. Box 354, 96010-900 Pelotas, Rio Grande do Sul, Brazil
| | - Diego Alves
- LASOL-CCQFA, Universidade Federal de Pelotas-UFPel, P.O. Box 354, 96010-900 Pelotas, Rio Grande do Sul, Brazil
| | - Claudio Santi
- Group of Catalysis, Synthesis and Organic Green Chemistry, Department of Pharmaceutical Sciences, University of Perugia Via del Liceo 1, 06123 Perugia, Italy
| | - Ricardo S Schwab
- Centre of Excellence for Research in Sustainable Chemistry (CERSusChem), Departamento de Química, Universidade Federal de São Carlos─UFSCar, Rodovia Washington Luís, km 235-SP-310, São Carlos, São Paulo 13565-905, Brazil
| |
Collapse
|
12
|
Cao Y, A. Dhahad H, Hussen HM, E. Anqi A, Farouk N, Issakhov A, Heravi MRP. Alkylative/arylative carboxylation of unsaturated hydrocarbons utilizing CO2 as C1 synthon: An update. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
13
|
Tian Q, Xu S, Zhang C, Liu X, Wu X, Li Y. Palladium Catalyzed Direct Carbonylative Thiomethylation of Aryldiazonium Salts and Amines with 4-(Methylthio)-2-Butanone as (Methylthio) Transfer Agent. J Org Chem 2021; 86:8797-8804. [PMID: 34142838 DOI: 10.1021/acs.joc.1c00665] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Herein, an interesting palladium-catalyzed procedure for the direct carbonylative thiomethylation of aromatic amine derivatives with 4-methylthio-2-butanone is developed. Using 4-methylthio-2-butanone as (methylthio) transfer agent, a variety of corresponding thioesters are obtained with moderate to good yields under base-free condition. In addition, good functional group tolerance can be observed.
Collapse
Affiliation(s)
- Qingqiang Tian
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Shasha Xu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Chiying Zhang
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Xinyi Liu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Xiangwei Wu
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China
| | - Yahui Li
- Key Laboratory of Agri-Food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, China.,State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bio-engineering, Ministry of Education, Guizhou University, Guiyang 550025, China
| |
Collapse
|
14
|
Decarboxylative coupling of glyoxylic acid and its acetal derivatives: A unique C1 formylation synthon. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132193] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
|
15
|
Liu Q, Wang L, Liu J, Ruan S, Li P. Facile synthesis of carbamoylated benzimidazo[2,1- a]isoquinolin-6(5 H)-ones via radical cascade cyclization under metal-free conditions. Org Biomol Chem 2021; 19:3489-3496. [PMID: 33899870 DOI: 10.1039/d1ob00101a] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
A highly efficient synthesis of carbamoylated benzimidazo[2,1-a]isoquinolin-6(5H)-ones using 2-arylbenzoimidazoles and oxamic acids was developed. This strategy tolerated various substrates as the starting materials to generate the corresponding products in good yields under metal-free conditions.
Collapse
Affiliation(s)
- Qi Liu
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Lei Wang
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China. and Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou, Zhejiang 318000, P. R. China. and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
| | - Jie Liu
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Shuchen Ruan
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.
| | - Pinhua Li
- Department of Chemistry, Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China. and State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
| |
Collapse
|
16
|
Yu W, Han J, Fang D, Wang M, Liao J. Palladium-Catalyzed Linear Hydrothiocarbonylation of Unactivated Terminal Alkenes: Synthesis of Aliphatic Thioesters. Org Lett 2021; 23:2482-2487. [PMID: 33711895 DOI: 10.1021/acs.orglett.1c00406] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A Pd-catalyzed hydrothiocarbonylation of unactivated terminal alkenes is presented. According to this protocol, aliphatic thioesters were synthesized with exclusive linear selectivity under mild reaction conditions. Good to excellent yields (up to 91% yield), broad substrate scope, broad functional group tolerance, and utility of the method demonstrated the advantages of this protocol.
Collapse
Affiliation(s)
- Wangzhi Yu
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Jian Han
- College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Dongmei Fang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Min Wang
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China
| | - Jian Liao
- Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, P.R. China.,University of Chinese Academy of Sciences, Beijing 100049, P.R. China.,College of Chemical Engineering, Sichuan University, Chengdu 610065, China
| |
Collapse
|
17
|
Wang HY, Zhong LJ, Lv GF, Li Y, Li JH. Photocatalytic dual decarboxylative alkenylation mediated by triphenylphosphine and sodium iodide. Org Biomol Chem 2020; 18:5589-5593. [PMID: 32677630 DOI: 10.1039/d0ob01242d] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
An efficient photocatalytic dual decarboxylative alkenylation of α,β-unsaturated carboxylic acids and alkyl N-hydroxyphthalimide (NHP) esters mediated by triphenylphosphine and sodium iodide has been developed. This protocol proceeds under 456-nanometer irradiation by visible blue light in the absence of transition metals or organic dye based photoredox catalysts. The reaction is successfully applied to a wide range of redox-active esters derived from aliphatic carboxylic acids (1°, 2° and 3°) and α-amino acids, enabling transformations of diverse α,β-unsaturated carboxylic acids to α,β-alkylated styrenes with high efficiency and excellent selectivity under mild conditions.
Collapse
Affiliation(s)
- Hong-Yu Wang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China.
| | | | | | | | | |
Collapse
|