triethyloxonium fluoroborate 、
3-[4-Methyl-5-[3-methyl-5-oxo-4-vinyl-1,5-dihydro-pyrrol-(2Z)-ylidenemethyl]-2-(phenyl-hydrazono)-2H-pyrrol-3-yl]-propionic acid methyl ester 以
二氯甲烷 为溶剂,
反应 3.0h,
生成 3-{5-[5-Ethoxy-3-methyl-4-vinyl-pyrrol-(2Z)-ylidenemethyl]-4-methyl-2-phenylazo-1H-pyrrol-3-yl}-propionic acid methyl ester