ethyl 5-(3-cyclopentoxy-4-methoxyphenyl)-2-hydroxymethyl-1H-pyrrol-3-carboxylate 在
manganese dioxide 作用下,
以
二氯甲烷 为溶剂,
反应 1.2h,
以to obtain 1.05 g of the title compound as a yellowish solid的产率得到ethyl 5-(3-cyclopentoxy-4-methoxyphenyl)-2-formyl-1H-pyrrol-3-carboxylate