Title

Rational approach to the synthesis of meso-meso (5,5′) linked bis-porphyrins

Document Type

Article

Publication Date

1-1-1997

Abstract

A novel approach for the synthesis of 5,5′-directly linked metal-free bis-porphyrins is reported; McMurry type coupling of dipyrroketones (e.g. 1) leads to 1,1,2,2-tetra(2-pyrrolyl)ethene 2, which after tetra-formylation (to give 3) and MacDonald macrocyclization with a 1,9-di-unsubstituted dihydrodipyrrin 4, affords the 5,5′-bis-porphyrin 5.

Publication Source (Journal or Book title)

Chemical Communications

First Page

1057

Last Page

1058

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