113426-65-6Relevant articles and documents
Regio- and stereoselective ring-opening reactions of cyclopropenones: α-methylene-γ-butyrolactones via additions of trichlorocyclopropenylium ions to alkenes
Musigmann,Mayr,De Meijere
, p. 1261 - 1264 (2007/10/02)
The 2-chloro-3-(2'-chloroalkyl)cyclopropenones 4, readily obtained by hydrolysis of the adducts of the trichlorocyclopropenylium ion onto alkenes, thermally rearrange to propiolic acid chlorides 6. Treatment of 4 with TosOH·H2O in CH2/sub