Journal of Organic Chemistry p. 9505 - 9511 (2013)
Update date:2022-08-12
Topics:
Gopee, Hemant
Kong, Xiangfei
He, Zhiqun
Chambrier, Isabelle
Hughes, David L.
Tizzard, Graham J.
Coles, Simon J.
Cammidge, Andrew N.
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 stabilization of the dipyrromethene chromophores.
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