Diisoindolothieno[2,4]diazepines via a diastereoselective N-acyliminium ion cyclization
摘要:
A high syn stereoselectivity, of the addition of an aromatic to the cyclic N-acyliminium ions generated from hydroxylactams 3a,b,e,f leading to the thieno[2,4]diazepines 4a,b,e,f is described. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.
Introduction of a Carboxymethylamino(or oxy Or thio) Group in the 3 Position of 2-Aryl(or Arylmethyl)isoindol-1-ones from α Hydroxylactams
摘要:
The preparation of 3-carboxymethylamino (or oxy or thio)-2-aryl (or arylmethyl)-isoindol-1-ones are described from hydroxylactams according to three different pathways.