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One-pot synthesis of 1,2,4-oxadiazoles from chalcogen amino acid derivatives under microwave irradiation. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132222] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Wei S, Wang F, Yan P, Dan M, Cen W, Yu S, Zhou Y. Interfacial coupling promoting hydrogen sulfide splitting on the staggered type II g-C3N4/r-TiO2 heterojunction. J Catal 2019. [DOI: 10.1016/j.jcat.2019.07.024] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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García CS, Uberman PM, Martín SE. An effective Pd nanocatalyst in aqueous media: stilbene synthesis by Mizoroki-Heck coupling reaction under microwave irradiation. Beilstein J Org Chem 2017; 13:1717-1727. [PMID: 28904615 PMCID: PMC5564268 DOI: 10.3762/bjoc.13.166] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Accepted: 08/04/2017] [Indexed: 01/13/2023] Open
Abstract
Aqueous Mizoroki–Heck coupling reactions under microwave irradiation (MW) were carried out with a colloidal Pd nanocatalyst stabilized with poly(N-vinylpyrrolidone) (PVP). Many stilbenes and novel heterostilbenes were achieved in good to excellent yields starting from aryl bromides and different olefins. The reaction was carried out in a short reaction time and with low catalyst loading, leading to high turnover frequency (TOFs of the order of 100 h−1). The advantages like operational simplicity, high robustness, efficiency and turnover frequency, the utilization of aqueous media and simple product work-up make this protocol a great option for stilbene syntheses by Mizoroki–Heck reaction.
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Affiliation(s)
- Carolina S García
- INFIQC-CONICET- Universidad Nacional de Córdoba, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Paula M Uberman
- INFIQC-CONICET- Universidad Nacional de Córdoba, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
| | - Sandra E Martín
- INFIQC-CONICET- Universidad Nacional de Córdoba, Departamento de Química Orgánica, Facultad de Ciencias Químicas, Haya de la Torre y Medina Allende, Ciudad Universitaria, X5000HUA, Córdoba, Argentina
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4
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Yu L, Huang Y, Wei Z, Ding Y, Su C, Xu Q. Heck Reactions Catalyzed by Ultrasmall and Uniform Pd Nanoparticles Supported on Polyaniline. J Org Chem 2015; 80:8677-83. [PMID: 26274575 DOI: 10.1021/acs.joc.5b01358] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Using air as the oxidant instead of the traditionally employed persulfates, the smaller and more uniform Pd nanoparticles (around 2 nm) supported on polyaniline (Pd@PANI) can be easily fabricated by the oxidation-polymerization of aniline with PdCl2. This material is an efficient and environmentally friendly catalyst for Heck reactions due to its recyclability, low loading, and ligand-free and mild reaction conditions. It was even tolerant to sulfur-containing substrates. This work reports the Pd@PANI-catalyzed Heck reactions with very wide substrate scopes, and discloses the catalytic mechanisms based on experimental findings and results of catalyst analysis and characterization.
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Affiliation(s)
- Lei Yu
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, School of Chemistry and Chemical Engineering, Yangzhou University , Yangzhou, Jiangsu 225002, China.,Zhejiang Key Laboratory of Carbon Materials, College of Chemistry and Materials Engineering, Wenzhou University , Wenzhou, Zhejiang 325035, China
| | - Yaping Huang
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, School of Chemistry and Chemical Engineering, Yangzhou University , Yangzhou, Jiangsu 225002, China.,Zhejiang Key Laboratory of Carbon Materials, College of Chemistry and Materials Engineering, Wenzhou University , Wenzhou, Zhejiang 325035, China
| | - Zheng Wei
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, School of Chemistry and Chemical Engineering, Yangzhou University , Yangzhou, Jiangsu 225002, China.,SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Yuanhua Ding
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, School of Chemistry and Chemical Engineering, Yangzhou University , Yangzhou, Jiangsu 225002, China
| | - Chenliang Su
- SZU-NUS Collaborative Innovation Center for Optoelectronic Science & Technology, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Qing Xu
- Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, School of Chemistry and Chemical Engineering, Yangzhou University , Yangzhou, Jiangsu 225002, China.,Zhejiang Key Laboratory of Carbon Materials, College of Chemistry and Materials Engineering, Wenzhou University , Wenzhou, Zhejiang 325035, China
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Zhang Q, Feng F, Su C, Xu W, Ma L, Lu C, Li X. Preparation of supported core–shell structured Pd@PdxSy/C catalysts for use in selective reductive alkylation reaction. RSC Adv 2015. [DOI: 10.1039/c5ra11517e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Supported noble-metal sulphide catalysts have attracted extensive scientific interest for their good selectivity in selective hydrogenation.
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Affiliation(s)
- Qunfeng Zhang
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Feng Feng
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Chang Su
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Wei Xu
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Lei Ma
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Chunshan Lu
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
| | - Xiaonian Li
- Institute of Industrial Catalysis
- Zhejiang University of Technology
- State Key Laboratory Breeding Base of Green Chemistry Synthesis Technology
- Hangzhou
- P. R. China
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