期刊
ORGANIC LETTERS
卷 17, 期 10, 页码 2474-2477出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.5b00980
关键词
-
资金
- 973 program [2012CB821600]
- NSFC [21472004, 21332002]
C-C Bond formation and beta-F elimination have been achieved in a Cu(I)-catalyzed cross-coupling reaction of terminal alkynes and trifluoromethly ketone N-tosylhydrazones. The reaction represents an efficient synthesis of 1,1-difluoro-1,3-enyne derivatives. Mechanistically, the migratory insertion of the copper carbene intermediate leads to the C-C bond formation, which is followed by C-F bond cleavage.
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