alpha-{6(R)-[1(S)-ethoxycarbonyl-3-phenylpropylamino]-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepin-4-yl}acetic acid 、
sodium hydroxide 以65 mg of the title compound were obtained as a powder的产率得到(2S)-2-[[(2S,6R)-4-(carboxymethyl)-5-oxo-2-(2-thienyl)-1,4-thiazepan-6-yl]amino]-4-phenyl-butanoic acid