Synthesis and Bergman cyclization of a β-extended porphyrenediyne?

Chemical Communications Pub Date: 2003-12-09 DOI: 10.1039/B312001E

Abstract

Condensation of a porphyrin-2,3-dione with a 1,2-diaminoarenediyne affords a β-extended porphyrinic-enediyne: upon thermal Bergman cyclization the quinoxaline spacer positioned between the macrocycle and the enediyne prevents tandem radical cyclization to a picenoporphyrin.

Graphical abstract: Synthesis and Bergman cyclization of a β-extended porphyrenediyne
Recommended Literature