tert-butyl (R)-3-<(S)-1-ethoxycarbonyl-3-cyclohexylpropyl>amino-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepine-5-α-methylacetate 在
盐酸 作用下,
以
乙酸乙酯 为溶剂,
生成 (R)-2-[(R)-5-(1-Carboxy-ethyl)-4-oxo-2,3,4,5-tetrahydro-benzo[b][1,4]thiazepin-3-ylamino]-4-cyclohexyl-butyric acid ethyl ester; hydrochloride