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Steric Control in the Synthesis of p-Benziporphyrins. Formation of a Doubly N-Confused Benzihexaphyrin Macrocycle

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posted on 03.09.2009, 00:00 by Marcin Stȩpień, Bartosz Szyszko, Lechosław Latos-Grażyński
The use of 1,4-phenylene-containing tripyrrane analogs provides a general route to expanded p-benziporphyrins. The course of macrocyclization shows a striking dependence on the steric bulk of meso substituents.

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