[4,7-Bis-tert-butoxycarbonylmethyl-10-({2-[3-((2S,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylsulfanyl)-propionylamino]-ethylcarbamoyl}-methyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-acetic acid tert-butyl ester 在
potassium methanolate 、
三氟乙酸 作用下,
以
乙醇 、
二氯甲烷 为溶剂,
生成 [4,7-Bis-carboxymethyl-10-({2-[3-((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-ylsulfanyl)-propionylamino]-ethylcarbamoyl}-methyl)-1,4,7,10-tetraaza-cyclododec-1-yl]-acetic acid