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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

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
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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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