Anti-Michael addition and fluoride ion elimination on .beta.,.beta.-bis(trifluoromethyl)acrylic esters. Preparation of .alpha.-perfluoroisopropenyl .alpha.-substituted acetic acid esters
Anti-Michael addition and fluoride ion elimination on .beta.,.beta.-bis(trifluoromethyl)acrylic esters. Preparation of .alpha.-perfluoroisopropenyl .alpha.-substituted acetic acid esters