文摘
Amides of 4-aryl(hetaryl)-2-pyrrolidone-3-carboxylic acids have been prepared via ammonolysis of the corresponding esters of pyrrolidone carboxylic acids. The products structure has been characterized by means of IR, 1H NMR, 1H–13C HMQC, and HMBC spectroscopy.Keywords2-pyrrolidone2-pyrrlidone-3-carboxylateammonolysisamide