dimethyl 1-(carbamoylamino)-2-hydroxy-2-(2-methoxy-2-oxoethyl)-5-methyl-3H-pyrrole-3,4-dicarboxylate 在
copper(II) bis(trifluoromethanesulfonate) 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以87%的产率得到Dimethyl 1-(carbamoylamino)-2-(2-methoxy-2-oxoethyl)-5-methylpyrrole-3,4-dicarboxylate