(3aS,4S,6R,6aR)-tert-butyl 4-formyl-6-[(2-methoxypropan-2-yloxy)methyl]-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate 、
甲氧羰基亚甲基三苯基正膦 以
甲苯 为溶剂,
反应 48.0h,
以72%的产率得到(3aS,4R,6R,6aR)-tert-butyl 4-[(E)-3-methoxy-3-oxoprop-1-enyl]-6-[(2-methoxypropan-2-yloxy)methyl]-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate