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Molecules 2001, 6(6), 533-539; doi:10.3390/60600533
Article

Synthesis of 5-(4-X-Phenyl)-10,15,20-tris(Substituted Phenyl) Porphyrins Using Dipyrromethanes

Departamento de Química y Física, Universidad Nacional de Río Cuarto, Agencia Postal Nº 3, Río Cuarto 5800, Argentina
Received: 27 November 2000 / Revised: 8 May 2001 / Accepted: 9 May 2001 / Published: 31 May 2001
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Abstract

5-(4-X-Phenyl)-10,15,20-tris(substituted phenyl) porphyrins (4-6) were synthesized from meso-(substituted phenyl) dipyrromethanes (1-3), which in turn were prepared in yields of 75-92 %. This synthetic pathway was compared with the binary mixed aldehyde and pyrrole condensation method. The reported dipyrromethane approach is advantageous for porphyrins substituted by –OCH3 (4) and -F (6) groups (12-14 %), while the yield of porphyrins bearing –N(CH3)2 (5) groups was similar (~0.3 %) by both methods.
Keywords: Porphyrin; dipyrromethane Porphyrin; dipyrromethane
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Durantini, E.N. Synthesis of 5-(4-X-Phenyl)-10,15,20-tris(Substituted Phenyl) Porphyrins Using Dipyrromethanes. Molecules 2001, 6, 533-539.

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