期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 31, 页码 9050-9054出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201603166
关键词
alcohols; fluorine; reaction mechanisms; synthetic methods; ylides
资金
- National Basic Research Program of China [2012CB821600]
- National Natural Science Foundation of China [21372247/21421002/21572258]
- sioc
A general method for the formation of alkyl difluoromethylethers under mild reaction conditions and with good functional-group tolerance was developed. The development of the method was based on the invention of a stable, electrophilic, difluoromethylating reagent, difluoromethyl-(4-nitrophenyl)-bis(carbomethoxy) methylide sulfonium ylide, which was synthesized by reaction of the easily available 4-nitrophenyl (difluoromethyl)thioether and dimethyl diazomalonate in the presence of a rhodium catalyst.
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