Journal
TETRAHEDRON
Volume 66, Issue 11, Pages 1994-1996Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.01.055
Keywords
Unsymmetrical porphyrins; Iodine catalysis; Microwave-assisted synthesis; Pyrrole
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The wide range use of 5-(4-nitrophenyl)-10,15,20-triphenylporphyrin is well established, but its synthesis requires two steps and is not very practical. This article describes an iodine-catalyzed one-pot synthesis of this unsymmetrical porphyrin that uses commercial reagents and reactants as such, without prior distillation. Unsymmetrical mono functionalized porphyrins with various functional groups have also been obtained to validate this method. The influence of electronic effects of functional groups (donor or acceptor) has also been studied. (C) 2010 Published by Elsevier Ltd.
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