Expanded porphyrin-like structures based on twinned triphenylenes.

Abstract

Triphenylene twins are intriguing structures, and those bridged through their 3,6-positions by dipyrromethene units give a new class of macrocycles that can be viewed as rigid, expanded porphyrin derivatives in which coplanarity is enforced in a formally antiaromatic π system. Somewhat surprisingly, however, macrocyclization leads to significant overall… (More)
DOI: 10.1021/jo401551c

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