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Copper(H) triflate-catalyzed nucleophilic substitution of propargylic acetates with enoxysilanes. A straightforward synthetic route to polysubstituted furans

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Copper(H) triflate-catalyzed nucleophilic substitution of propargylic acetates with enoxysilanes. A straightforward synthetic route to polysubstituted furans.htm (413bytes)
Date
2007-09
Author
Zhan, Zhuang-Ping
詹庄平
Wang, Shao-Pei
Cai, Xu-Bin
Liu, Hui-Juan
Yu, Jing-Liang
Cui, Yuan-Yuan
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  • 化学化工-已发表论文 [14469]
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Abstract
A novel and efficient procedure for the synthesis of gamma-alkynyl ketones by the nucleophilic substitution of propargylic acetates with enoxysilanes in the presence of a catalytic amount of Copper(II) triflate, has been developed. The substitution reaction can be followed by a 4-toluenesulfonic acid-catalyzed cyclization without purification of the gamma-alkynyl ketone intermediates, offering a straightforward synthetic route to polysubstituted furans.
Citation
ADVANCED SYNTHESIS & CATALYSIS,2007,349(130:2097-2102
URI
http://dx.doi.org/doi:10.1002/adsc.200700234
https://dspace.xmu.edu.cn/handle/2288/9293

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