反应详情

A tautomeric mixture of ethyl 3-(1-((tert-butoxycarbonyl)amino)cyclopropyl)-3-oxopropanoate and (Z)-ethyl 3-(1-((tert-butoxycarbonyl)amino)cyclopropyl)-3-hydroxyacrylate (3.15 g, 11.61 mmol, 90% yield) as an off white solid was prepared according the procedures described for Intermediate 601, using 1-(Boc-amino)cyclopropanecarboxylic acid (Chem-Impex International, Inc., cat #04052) (2.59 g, 12.87 mmol) as the reagent. m/z (ESI, +ve) 294.2 (M+23)+.

1. customwas prepared