Chemistry of Polyhalogenated
Nitrobutadienes, Part 7: A Novel Synthetic Access to Chlorinated
Nitrile Oxides
作者:Dieter Kaufmann、Eva Nutz、Viktor Zapol’skii
DOI:10.1055/s-0029-1216906
日期:——
Reaction of gem-dichloronitroalkenes with base leads to the formation of chlorinated nitrile oxides, probably via a cyclic intermediate. The 1,3-dipoles can be trapped with alkenes to give dihydroisoxazoles with a chlorinated side chain in 3-position. This novel synthetic method is fairly general.