3-{[3-Chloro-8-(4-[1,3]dioxolan-2-yl-butyl)-1,4-dihydroxy-7-methoxy-6-methyl-naphthalen-2-yl]-methyl-amino}-propionic acid methyl ester 、
碘甲烷 在
potassium carbonate 作用下,
生成
3-{[3-Chloro-8-(4-[1,3]dioxolan-2-yl-butyl)-1,4,7-trimethoxy-6-methyl-naphthalen-2-yl]-methyl-amino}-propionic acid methyl ester