(1S,4R,6S)-6-(1-Benzenesulfonyl-1H-indol-2-yl)-2-(2-[1,3]dioxolan-2-yl-ethyl)-8-oxo-2-aza-bicyclo[2.2.2]octane-6-carboxylic acid methyl ester 在
disodium hydrogenphosphate 、
sodium amalgam 作用下,
以
甲醇 为溶剂,
生成
(1R,4S,6R)-2-(2-[1,3]Dioxolan-2-yl-ethyl)-6-(1H-indol-2-yl)-8-oxo-2-aza-bicyclo[2.2.2]octane-6-carboxylic acid methyl ester 、 (1R,4S,6R)-2-(2-[1,3]Dioxolan-2-yl-ethyl)-8-hydroxy-6-(1H-indol-2-yl)-2-aza-bicyclo[2.2.2]octane-6-carboxylic acid methyl ester