首页|Cu-catalyzed regioselective diborylation of 1,3-enynes for the efficient synthesis of 1,4-diborylated allenes
Cu-catalyzed regioselective diborylation of 1,3-enynes for the efficient synthesis of 1,4-diborylated allenes
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Borylation of 1,3-enynes with bis(boronate)compounds often ends up with the formation of hydrobo-rylated products,leaving the diborylation of 1,3-enynes for the formation of 1,4-diborylated allenes to be challenging.Herein,a copper-catalyzed chemo-,regio-,and stereo-selective diborylation of 1,3-enynes for the efficient construction of 1,4-diborylated allenes under base-free conditions was reported.A wide range of 1,3-enynes bearing various functional groups can participant in the reaction and afforded the corresponding 1,4-diborylated allenes in good to excellent yields,which was enabled by the protocol of Bpin to BF3K conversion.the borylcopper species was supposed to selectively attack the C-C triple bond of the 1,3-enynes.
Wujun Jian、Mong-Feng Chiou、Yajun Li、Hongli Bao、Song Yang
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National Key Laboratory of Green Pesticide,Key Laboratory of Green Pesticide and Agricultural Bioengineering,Ministry of Education,Center for R&D of Fine Chemicals of Guizhou University,Guiyang 550025,China
Strait Institute of Flexible Electronics(SIFE,Future Technologies),Fujian Normal University,Fuzhou 350117,China
Key Laboratory of Coal to Ethylene Glycol and Its Related Technology,State Key Laboratory of Structural Chemistry,Fujian Institute of Research on the Structure of Matter,University of Chinese Academy of Sciences,Fuzhou 350002,China
国家自然科学基金国家自然科学基金国家自然科学基金中国科学院战略规划重点项目国家重点研发计划Guizhou Provincial Science and Technology Project
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