甲醇 、
N-((1S)-9ξ-hydroxy-8,8-dimethyl-3-oxo-(1rC9,5tH,6cC9)-7-thia-2-aza-tricyclo[4.2.1.02,5]non-4t-yl)-2-phenyl-acetamide 在
sodium methylate 作用下,
生成 (
S)-((1
R)-7ξ-hydroxy-3,3-dimethyl-2-thia-5-aza-bicyclo[2.2.1]hept-6
exo-yl)-(2-phenyl-acetylamino)-acetic acid methyl ester