Author:
Clezy PS,Liepa AJ,Smythe GA
Abstract
The preparation of a number
of new oxyporphyrins is described and the spectroscopic and
tautomeric properties of these tetrapyrroles and
their metal ohelates examined in terms of substituent
and steric effects. In selected cases oxyporphyrins
and their acetates can be prepared in fair yield by condensation of the
appropriate dipyrrylketone and diformyldipyrrylmethane
in the presence of acetic anhydride. The zinc
chelates of oxyporphyrins like the parent compounds
are paramagnetic. Phosphorus pentasulphide has been
shown to deoxygenate some oxyporphyrins.
Cited by
16 articles.
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