Allylboration and cyclization of 3,4-dihydroisoquinoline derivatives. Synthesis of the benzopyrrocoline system
摘要:
A novel approach to hexahydropyrrolo[2,1-a]isoquinolines (hexahydrobenzo[g]pyrrocolines) based on the allylboration of 3,4-dihydroisoquinolines followed by closure of the pyrrolidine ring through the hydroboration - oxidation - intramolecular N-alkylation sequence was developed.