412916-06-4Relevant articles and documents
Synthesis of aza polycyclic compounds derived from pyrrolidine, indolizidine, and indole via intramolecular Diels - Alder cycloadditions of neutral 2-azadienes
Palacios, Francisco,Alonso, Concepcion,Amezua, Patricia,Rubiales, Gloria
, p. 1941 - 1946 (2002)
A method for the preparation of novel oxaza and diaza polycyclic 9-oxa-4-azaphenanthrene, 5H-pyrido[2,3-α]pyrrolizine, 5H,6H-pyrido[3,2-g]indolizine, and 5H,6H-indeno[2,1-α]indole is described, based on tandem reactions: aza-Wittig reaction of N-vinylic phosphazenes with functionalized aldehydes and an intramolecular aza-Diels - Alder reaction.