(S)-6-[7-(acetylaminomethyl)-19-methoxy-11-oxo-3,13-dioxa-10-aza-tricyclo[15.3.1.04,9]henicosa-1(21),4(9),5,7,17,19-hexaen-12-yl]-hexanoic acid methyl ester 在
羟胺 、 sodium hydroxide 作用下,
以
甲醇 、
水 为溶剂,
以100%的产率得到(S)-6-[7-(acetylaminomethyl)-19-methoxy-11-oxo-3,13-dioxa-10-aza-tricyclo[15.3.1.04,9]henicosa-1(21),4(9),5,7,17,19-hexaen-12-yl]-hexanoic acid methyl ester