期刊
CHINESE JOURNAL OF CHEMISTRY
卷 36, 期 11, 页码 1069-1074出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201800383
关键词
fluorine; electrophilic substitution; ylides; regioselectivity
资金
- National Natural Science Foundation of China [21625206, 21632009, 21572258, 21572259, 21421002, 21772098]
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDB20000000]
A highly carbon-selective difluoromethylation of soft carbon nucleophiles including -ketoesters, malonates, oxindoles, benzofuranones and ketene silyl acetals with a difluoromethylated sulfonium ylide under mild conditions was described. Mechanistic studies suggest that these difluoromethylating reactions proceed via a difluorocarbene pathway.
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