jo0497398_si_002.cif (33.72 kB)

Syntheses of Core-Modified Corroles by Three Different [3 + 1] Methodologies

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posted on 23.07.2004, 00:00 by Jeyaraman Sankar, Harapriya Rath, Viswanathan PrabhuRaja, Tavarekere K. Chandrashekar, Jagadese J. Vittal
Three new methods for syntheses of modified oxa corroles bearing one meso free carbon in reasonably good yields are reported. The formation of the meso carbon bridge and the direct pyrrole−pyrrole linkage occur in a single step by a simple condensation and coupling with TFA as a catalyst with appropriate precursors. The reactions are optimized with different conditions by varying the meso substituents, acid catalyst concentration, and the nature of the solvent to afford corroles in good yields.

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