Synthetic and Mechanistic Studies of the Retro-Claisen Rearrangement. 3. A Route to Enantiomerically Pure Vinyl Cyclobutane Diesters via a Highly Diastereoselective Syn SN2‘ Reaction and Their Rearrangement to Enantiomerically Pure Dihydrooxacenes
Synthetic and Mechanistic Studies of the Retro-Claisen Rearrangement. 3. A Route to Enantiomerically Pure Vinyl Cyclobutane Diesters via a Highly Diastereoselective Syn SN2‘ Reaction and Their Rearrangement to Enantiomerically Pure Dihydrooxacenes