2-(7-tert-butoxycarbonyl-4,10-bis-[((S)-1-phenyl-ethylcarbamoyl)-methyl]-1,4,7,10-tetraaza-cyclododec-1-ylmethyl)-10-oxo-10H-9-oxa-1-aza-anthracene-6-carboxylic acid methyl ester 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 12.0h,
以100%的产率得到2-(4,10-bis-[((S)-1-phenyl-ethylcarbamoyl)-methyl]-1,4,7,10-tetraaza-cyclododec-1-ylmethyl)-10-oxo-10H-9-oxa-1-aza-anthracene-6-carboxylic acid methyl ester