Diazo-((3aS,4S,7R,7aR)-7-hydroxy-2,2-dimethyl-hexahydro-[1,3]dioxolo[4,5-c]pyridin-4-yl)-acetic acid ethyl ester 以
甲苯 为溶剂,
反应 18.0h,
以85%的产率得到[(3aS,7R,7aR)-7-Hydroxy-2,2-dimethyl-tetrahydro-[1,3]dioxolo[4,5-c]pyridin-(4Z)-ylidene]-acetic acid ethyl ester