2,4-二甲氧基苯甲胺 、
、 (2S)-tert-butyl 2-3-(1S)-1-[N-(4R,5S,9E)-(1,6-diaza-4-hydroxy-5-isopropyl-2,7-dioxocyclododeca-9-en-8-yl)N-(2,4-dimethoxybenzyl)carbamoyl]-2-methylpropylureido-3-methylbutanoate 以
二氯甲烷 为溶剂,
反应 41.0h,
以29%的产率得到(2S)-tert-butyl 2-{3-{(1S)-1-[N-(4R,5S,9E)-(1,6-diaza-4-hydroxy-5-isopropyl-2,7-dioxocyclododeca-9-en-8-yl),N-(2,4-dimethoxybenzyl)carbamoyl]-2-phenylethyl}ureido}-3-methylbutanoate