3-{[3-(4-carbamimidoylphenyl)-1-methyl-2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carbonyl]amino}-3-phenylpropionic acid ethyl ester 在
lithium hydroxide 作用下,
以
四氢呋喃 为溶剂,
生成 3-{[3-(4-Carbamimidoyl-phenyl)-1-methyl-2,4-dioxo-1,3,8-triaza-spiro[4.5]decane-8-carbonyl]-amino}-3-phenyl-propionic acid