2-Carboethoxy-3-hydroxy-4-benzyl-5-methyl-pyrrole 、
环氧溴丙烷 、
potassium carbonate 以
4-甲基-2-戊酮 为溶剂,
以give 15 g of 1-(2-carboethoxy-4-benzyl-5-methyl-pyrrol-3-oxy)-2,3-epoxypropane as a pale yellow, very viscous oil的产率得到1-(2-carboethoxy-4-benzyl-5-methyl-pyrrol-3-oxy)-2,3-epoxypropane