Diethyl Chlorophosphate: An Effective and Convenient Coupling Reagent of Cephalosporin Derivatives
摘要:
A coupling reagent, diethyl chlorophosphate (DECP) 2, was reacted with 2-(2-amino-4-thiazolyl)-2-syn-alkoxyiminoacetic acid 1 to give an active ester intermediate 3.