[2-(tert-Butyl-dimethyl-silanyloxy)-ethoxy]-acetic acid 1,6-dimethyl-10,11-dioxo-6,7,8,9,10,11-hexahydro-phenanthro[1,2-b]furan-6-ylmethyl ester 在
氢氟酸 作用下,
以
四氢呋喃 为溶剂,
反应 0.17h,
以98%的产率得到(2-Hydroxy-ethoxy)-acetic acid 1,6-dimethyl-10,11-dioxo-6,7,8,9,10,11-hexahydro-phenanthro[1,2-b]furan-6-ylmethyl ester