Benzoic acid (1R,9S,10S,12S)-12-methoxy-5-oxo-8-phenyl-11-oxa-2,6,8-triaza-tricyclo[7.2.1.0
2,7]dodeca-3,6-dien-10-ylmethyl ester 在
ammonium hydroxide 作用下,
以
甲醇 为溶剂,
生成
(1R,9S,10S,12S)-10-Hydroxymethyl-12-methoxy-8-phenyl-11-oxa-2,6,8-triaza-tricyclo[7.2.1.02,7]dodeca-3,6-dien-5-one