Benzoic acid (S)-[(4S,4aS,6R,8S,8aR)-8-methoxy-7,7-dimethyl-6-((S)-2-oxo-[1,3]dioxolan-4-ylmethyl)-hexahydro-pyrano[3,2-d][1,3]dioxin-4-ylcarbamoyl]-((2R,6R)-2-methoxy-6-methyl-tetrahydro-pyran-2-yl)-methyl ester 在
lithium hydroxide 作用下,
以
甲醇 为溶剂,
生成 (S)-N-[(4S,4aS,6R,8S,8aR)-6-((S)-2,3-Dihydroxy-propyl)-8-methoxy-7,7-dimethyl-hexahydro-pyrano[3,2-d][1,3]dioxin-4-yl]-2-hydroxy-2-((2R,6R)-2-methoxy-6-methyl-tetrahydro-pyran-2-yl)-acetamide