异丙基磺酰氯 、
methyl (S)-3-[4-(2-methoxyethoxymethoxy)benzoyl-amino]-2-piperazin-1-ylpropanoate 以0.6 g (68%) of methyl (S)-3-[4-(2-methoxyethoxy-methoxy)benzoylamino]-2-[4-(propane-2-sulphonyl)-piperazin-1-yl]propanoate is obtained in the form of a colourless oil的产率得到methyl (S)-3-[4-(2-methoxyethoxymethoxy)benzoyl-amino]-2-[4-(propane-2-sulphonyl)piperazin-1-yl]propanoate