(3a'R,9'R,9a'S,9b'S)-9'-{(cyclopropylmethyl)[(2,2,2-trichloroethoxy)carbonyl]amino}-5'-methoxy-1',2',3a',8',9',9b'-hexahydro-9a'H-spiro[1,3-dioxolane-2,3'-phenanthro[4,5-bcd]furan]-9a'-yl acetate 在
溶剂黄146 、
锌 作用下,
反应 5.0h,
以80%的产率得到(3a'R,9'R,9a'S,9b'S)-N-(cyclopropylmethyl)-N-(9a'-hydroxy-5'-methoxy-1',3a',8',9',9a',9b'-hexahydro-2'H-spiro[1,3-dioxolane-2,3'-phenanthro[4,5-bcd]furan]-9'-yl)acetamide