L-camphorsulfonic acid 、 (S)-2-[(S)-2-benzyloxycarbonylamino-3-(3,4-bis-benzyloxy-phenyl)-propionylamino]-3-(3-benzyloxy-4-methylcarbamoyloxy-phenyl)-propionic acid methyl ester 在
palladium 10% on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
20.0 ℃
、700.01 kPa
条件下,
反应 18.0h,
生成 (S)-2-(3,4-dihydroxy-phenyl)-1-[(S)-2-(4-hydroxy-3-methylcarbamoyloxy-phenyl)-1-methoxycarbonyl-ethylcarbamoyl]-ethyl-ammonium (1S,4R)-2-oxo-bicyclo[2.2.1]-heptane-1-sulfonate