Na. Ivanova et al., INTERACTION OF DIMETHYLSULFOXONIUM METHYLIDE WITH -2,3,5-TRICHLORO-4,4-DIMETHOXYCYCLOPENT-2-EN-1-ONE, Russian chemical bulletin, 45(12), 1996, pp. 2810-2812
Dimethylsulfoxonium methylide in DMSO initiates unusual oxidative skel
etal transformations of trichlorocyclopentenone. Lactone, cyclic ortho
ester, and a number of by-products of hydrolysis, substitution, and re
duction were isolated and characterized. The expected epoxide was obta
ined in low yield.