257628-86-7Relevant academic research and scientific papers
Studies on pyrrolidinone. Synthesis of aza analogs of podophyllotoxin and related compounds
Legrand, Anne,Rigo, Benoit,Gautret, Philippe,Henichart, Jean-Pierre,Couturier, Daniel
, p. 1263 - 1270 (1999)
The Friedel-Crafts cyclisation of N-benzhydrylpyroglutamic acids whose aromatic rings are substituted by methoxy or methylenedioxy groups gives podophyllotoxin analogs whose lactone ring was changed to a lactam.
