OLEFINATION

作品数:18被引量:10H指数:2
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相关领域:理学更多>>
相关作者:龚天军马建峰谢维佳徐善生刘磊更多>>
相关机构:清华大学南开大学广西师范大学陕西师范大学更多>>
相关期刊:《Science China Chemistry》《有机化学》《International Journal of Organic Chemistry》《吉林师范大学学报(自然科学版)》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划福建省自然科学基金更多>>
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Synergistic silver-mediated and palladium-catalyzed nondirected olefination of aryl C–H bond: quick access to multi-substituted aryl olefins
《Science China Chemistry》2024年第3期882-889,共8页Jian Yao Lili Shao Xiaohong Huo Xiaoming Wang 
supported by the National Key R&D Program of China(2021YFA1500100);the National Natural Science Foundation of China(21821002,92256303,22171278);Shanghai Science and Technology Committee(23ZR1482400);the Natural Science Foundation of Ningbo(2023J034)。
Transition metal-catalyzed olefination of aryl C-H bond is a powerful tool for the synthesis of alkenes. While the Pd-catalyzed oxidative C-H olefination of arenes, also known as Fujiwara-Moritani reaction, has been e...
关键词:direct C–H olefination multi-substituted aryl alkenes bimetallic Pd/Ag cooperation C–H functionalization 
Synthesis of C—N Axial Chirality N-Arylindoles via Pd(II)-Catalyzed Free Amine-Directed Atroposelective C—H Olefination被引量:2
《Chinese Journal of Chemistry》2023年第21期2788-2792,共5页Lei Wang Wen-Kui Yuan Zhen-Kai Wang Jun Luo Tao Zhou Bing-Feng Shi 
We thank the support from National Key R&D Program of China(2022YFA1504302,2021YFF0701603);National Natural Science Foundation of China(U22A20388,92256302,21925109 for B.-F.S.,22271250 for T.Z.);Fundamental Research Funds for the Central Universities(226-2023-00115,226-2022-00224,226-2022-00175);Zhejiang Provincial NSFC(LD22B030003)。
Axially chiral N-arylindoles bearing a stereogenic C—N axis are unique important scaffolds in natural products,advance materials,pharmaceuticals and privileged chiral ligands or catalysts.Herein,we report the direct ...
关键词:C-N axial chirality Free amine-directed C-H activation Chiral spiro phosphoric acids PALLADIUM Olefination Asymmetric synthesis 
One-pot remote desymmetrization/Peterson-olefination for the construction of silicon-stereogenic silyl ethers被引量:1
《Science China Chemistry》2023年第10期2797-2802,共6页Wengang Guo Qian Li Yan Liu Can Li 
supported by the National Natural Science Foundation of China(22271276,21871254,21702203);the National Key Research and Development Program of China(2022YFC2105900)。
Chiral silyl ethers and silanols are important synthetic intermediates and bioactive compounds.In this work,we developed a onepot remote desymmetrization/Peterson-olefination of silacyclopentene oxides with benzoic ac...
关键词:asymmetric catalysis silicon-stereogenic silyl ether remote desymmetrization/Peterson-olefination bronsted acid catalysis 
Non-directed highly para-selective C-H functionalization of TIPS-protected phenols promoted by a carboxylic acid ligand
《Chinese Chemical Letters》2023年第3期342-346,共5页Jingyao Geng Zhang Fang Guangliang Tu Yingsheng Zhao 
supported by the National Natural Science Foundation of China(No.21772139);the Jiangsu Province Natural Science Found for Distinguished Young Scholars(No.BK20180041);the PAPD Project;supported by the Open Research Fund of the School of Chemistry and Chemical Engineering,Henan Normal University。
Palladium-catalyzed non-directed C-H functionalization provides an efficient approach for direct functionalization of arenes, but it usually suffers from poor site selectivity, limiting its wide application.Herein, it...
关键词:para-Selective Non-directed C-H olefination 
Intermolecular Radical Fluoroalkylative Olefination of Unactivated Alkenes
《CCS Chemistry》2022年第4期1190-1198,共9页Jiajia Yu Huihui Zhang Xinxin Wu Chen Zhu 
the financial support from the National Natural Science Foundation of China(grant no.21971173);the Project of Scientific and Technologic Infrastructure of Suzhou(grant no.SZS201905);the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD).
We have disclosed a novel,efficient radicalmediated intermolecular fluoroalkylative olefination of unactivated alkenes.The transformation proceeded through a radical docking-migration cascade,in which a portfolio of s...
关键词:alkene difunctionalization OLEFINATION MIGRATION FLUOROALKYL radical reactions 
Asymmetric Synthesis of Chiral 1,3-Disubstituted Allylsilanes via Copper(I)-Catalyzed 1,4-Conjugate Silylation ofα,β-Unsaturated Sulfones and Subsequent Julia-Kocienski Olefination
《Chinese Journal of Chemistry》2021年第7期1916-1922,共7页Xian-Liang Wang Xing-Hao Yin Jun-Zhao Xiao Xue-Shun Jia Liang Yin 
We gratefully acknowledge the financial support from the National Natural Science Foundation of China(Nos.21672235,21871287,and 21922114);the Science and Technology Commission of Shanghai Municipality(No.20JC1417100);the Strategic Priority Research Program of the Chinese Academy of Sciences(No.XDB20000000);CAS Key Laboratory of Synthetic Chemistry of Natural Substances;Shanghai Institute of Organic Chemistry.
Main observation and conclusion A general synthesis of chiral 1,3-disubstituted allylsilanes is established through copper(I)-catalyzed asymmetric 1,4-conjugate silylation ofα,β-unsaturated sulfones and subsequent J...
关键词:Chiral allylsilanes SILYLATION OLEFINATION Allylation Asymmetric catalysis 
Weakly coordinating group directed rhodium-catalyzed unconventional site-selective C-H olefination of indolizines at the 8-position
《Chinese Chemical Letters》2021年第1期470-474,共5页Xue Feng Jiaxin Tian Ying Sun Huayou Hu Mingzhu Lu Yuhe Kan Danjun Fang Chao Wang 
Jiangsu Province(No.BK20161307 and“333”Talents Project for H.Hu);Huaiyin Normal University(No.JSKC18014)for their financial support。
A rhodium-catalyzed directing group promoted selective C-H olefination reaction of indolizines at the 8-position is re ported.Di-olefination at 2,8-positions also achieved with silver hexafluoroantimonate as an additi...
关键词:RHODIUM-CATALYZED C–H olefination INDOLIZINE Weakly coordinating directing group Unconventional site-selectivity 
Studies and Mechanism of Olefination Reaction in Aryl-Enolates with Paraformaldehyde
《International Journal of Organic Chemistry》2019年第1期10-22,共13页Jonathan Román Valdéz-Camacho José Domingo Rivera-Ramírez Jaime Escalante 
A simple, efficient and low-cost methodology for the synthesis of α-aryl-α,β-unsaturated esters using paraformaldehyde as a source of carbon was developed. Factors that control reaction yields such as temperature, ...
关键词:OLEFINATION PARAFORMALDEHYDE α-Aryl-α β-Unsaturated Ester α-Methylenation 
Synthesis of spiropyrrolidine oxindoles through Rh(Ⅱ)-catalyzed olefination/cyclization of diazooxindoles and vinyl azides
《Chinese Journal of Catalysis》2019年第2期177-183,共7页Ruxia Yi Leilei Qian Boshun Wan 
supported by the National Natural Science Foundation of China(21572225)~~
A simple and efficient process involving the Rh(II)-catalyzed[1+1+3]annulation of diazooxindoles and vinyl azides has been developed for the synthesis of spiropyrrolidine oxindoles with potential biological activity a...
关键词:Rhodium catalyst Vinyl azides Diazo compounds Spiropyrrolidine oxindoles OLEFINATION [1+1+3]annulation 
Metal-Free Synthesis of β-Bromoalkenyl Sulfides via Deoxygenative Bromination/Olefination/Sulfenylation of Ketones with SulfonylHydrazides and Pyridinium Tribromide被引量:1
《Chinese Journal of Chemistry》2018年第11期1063-1068,共6页Yishu Bao Lingyu Zhong Qiaodan Hou Qingfa Zhou Fulai Yang 
This work was financially supported by the National Natural Science Foundation of China (Nos. 21502182, 21102179 and 21572271), Qing Lan Project of Jiangsu Province, National Found for Fostering Talents of Basic Science (J1030830), the Fundamen- tal Research Funds for the Central Universities (No. 3010050077) and Postgraduate Scientific Research Innovation Projects of Jiangsu Province (No. KYCX17_0664).
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