4-Oxo-pentanoic acid 4-(3-{4-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-butylcarbamoyloxy}-2,2-bis-hydroxymethyl-propoxycarbonylamino)-butyl ester 、
苯甲酰氯 在
吡啶 作用下,
生成 Benzoic acid 3-{4-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-butylcarbamoyloxy}-2-hydroxymethyl-2-[4-(4-oxo-pentanoyloxy)-butylcarbamoyloxymethyl]-propyl ester 、