Nucleophilic Ring Opening of 3-Benzyl-1,3-oxazinanes by Reformatsky Reagents. A Synthesis of β-Amino Ester Derivatives
作者:Angel Alberola、Maria A. Alvarez、Celia Andrés、Alfonso González、Rafael Pedrosa
DOI:10.1055/s-1990-27092
日期:——
2-Substituted 3-benzyl-1,3-oxazinanes react with the Reformatsky reagent derived from ethyl 2-bromoacetate and zinc, using very mild conditions (0°C, 1h) leading regioselectively to 3-substituted ethyl 3-[(3-hydroxypropyl)benzylamino] propanoates in high yield.