Design, synthesis and structural studies on polynucleating ligands based on atropoisomerism of catechol bearing porphyrins

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Cathy Drexler, Mir Wais Hosseini, Jean-Marc Planeix, Gilles Stupka, Mir Wais Hosseini, Jean-Marc Planeix, André De Cian and Jean Fischer


Abstract

High yield syntheses of all four atropoisomers of the meso-tetrakis(o-catecholamidophenyl)porphyrin has been achieved; all four atropoisomers were isolated and characterised by NMR spectroscopy; for the methyl protected 2αβαβ and 2α4 atropoisomers obtained as water and chloroform solvates respectively, X-ray analysis was used to assign their structure.


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