反应详情

A stirred solution of 2-(2-tert-butoxycarbonylamino-ethyl)-5-formyl-4-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester (1.120 g, 3 mmol) in dichloromethane (32 ml) was added dropwise slowly with trifluoroacetic acid (3.2 ml) at room temperature. Upon completion of the addition, the mixture was stirred for 3 hours, and concentrated to give 2-(2-amino-ethyl)-4-phenyl-1H-pyrrole-3-carboxylic acid ethyl ester which Was used as such.

1. additionUpon completion of the addition
2. concentrationconcentrated