2,4-Bis(2-methylpropoxy)-5-nitrobenzoyl chloride 、 5-{5-{5-[[5-(5-Amino-2,4-dimethoxy-benzoylamino)-2,4-diisobutoxy-benzoyl]-(2,4-dimethoxy-benzyl)-amino]-2,4-dimethoxy-benzoylamino}-2,4-bis-[2-(3-methyl-butoxy)-ethoxy]-benzoylamino}-2,4-dimethoxy-benzoic acid methyl ester 在
三乙胺 作用下,
以
二氯甲烷 为溶剂,
生成