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Copper‐Catalyzed Difluoromethylation of β,γ‐Unsaturated Carboxylic Acids: An Efficient Allylic Difluoromethylation
Author(s) -
He Zhengbiao,
Hu Mingyou,
Luo Tao,
Li Lingchun,
Hu Jinbo
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201206556
Subject(s) - allylic rearrangement , catalysis , chemistry , copper , combinatorial chemistry , organic chemistry
Not one but two ! A new strategy for the regiospecific construction of compounds with allylic CF 2 H groups has been developed. The decarboxylative (phenylsulfonyl)difluoromethylation of β,γ‐unsaturated carboxylic acids is catalyzed by a Lewis acid (CuCl 2 ⋅2 H 2 O), and the resulting product easily undergoes desulfonylation.
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