反应详情

The same procedure as in Reference Example 8 was repeated except that the phenylmethyl 1-[N-[4-(2-methyl-2-propyloxycarbonyl)piperazine-1-carbonyl]amino]cyclohexanecarboxylate was replaced by 11.5 g of said phenylmethyl 1-[N-(4-acetylaminobenzenesulfonyl)amino]cyclohexanecarboxylate, whereby 8.7 g of the captioned 1-[N-(4-acetylaminobenzenesulfonyl)amino]cyclohexanecarboxylic acid was obtained in a yield of 97%.