(S)-9-Chloro-5-oxo-8-trifluoromethyl-1,2,4,4a,5,6-hexahydro-pyrazino[1,2-a]quinoxaline-3-carboxylic acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
生成 (S)-9-Chloro-8-Trifluoromethyl-2,3,4,4a-Tetrahydro-1H-Pyrazino[1,2-a]-Quinoxalin-5(6H)-One