Expedient synthesis of corroles by oxidant-mediated, direct α-α' coupling of tetrapyrromethanes

초록

Oxidant mediated coupling of tetrapyrromethanes resulted in the exclusive formation of meso-substituted corroles in more than 60% yields. The similar coupling reaction of 1,14-unsubstituted 16-oxatripyrromethane with 5-tolyldipyrromethane carried out in acetonitrile also gave expanded corroles as a single product. In both cases acid catalysts are not necessary for the direct α-α' coupling reaction. (C) 2000 Elsevier Science Ltd.

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