Multi-Step Redox Systems. LXI. Synthesis of 1,4-Bis(2-methyl-indolizin-1-yl-methyl)-benzene and Related Model Compounds

Article abstract of DOI:10.1002/prac.19943360108

The synthesis of 1a, in which two 1-indolizine units are connected by a p-xylylene bridge is preformed from its 3,3'bis-acetyl derivative 1b via the precursors 8-11.This route was first tested by the synthesis of benzyl indolizines 2b and 2a via the pyrid