On the cyclization of acyliminium salts derived from pyroglutamic acid
作者:Benoît Rigo、Samira El Ghammarti、Daniel Couturier
DOI:10.1016/0040-4039(95)02215-5
日期:1996.1
The FriedelCrafts reaction of pyroglutamic acid derivative 9 gives an acyliminium salt which cyclize to the condensed N-acylheterocycle 6 thus providing an easy access to the amine 1.
Studies on pyrrolidinones. Synthesis of 1-[(<i>N</i>-acetylarylamino)methyl]pyroglutamic acid derivatives
作者:Samira El Ghammarti、Benoit Rigo、Hechmi Mejdi、Jean-Pierre Hénichart、Daniel Couturier
DOI:10.1002/jhet.5570350311
日期:1998.5
Pyroglutamic acid was transformed into 1-[(N-Acetylarylamino)methyl]pyroglutamic acid derivatives by using trimethylsilyl variations of the Mannich reaction.