Cyclodehydration of 4-[(carboxymethyl)amino]pyridin-2-ones. A new, efficient synthesis of pyrrolo[3,2-c]pyridin-4-ones and pyrido[3,4-b]pyrrolizidin-1-ones

Article abstract of DOI:10.1016/0040-4039(94)88205-3

This paper describes an efficient new route for the synthesis of pyrrolo[3,2-c]pyridin-2-ones and pyrido[3,4-b]pyrrolizidin-1-ones starting from 4-chloro-N-benzyl-2(1H)-pyridinone and amino acid salts. Intermediate 4-[(carboxymethyl)amino]pyridin-2-ones u