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Molecular Design

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The design of new porphyrin based chelates, with precised positioning of ligands around the core of the macrocycle, to achieve high level of control on the metal binding geometry and thus reactivity, is a crucial step in our research. For that purpose, the group has developed several straightforward methodologies allowing the differentiating of the two sides of the porphyrin structure, for the preparation of multi-functional chelates (see selected examples below). They take advantage of the various atropisomers of the tetra-aminophenylporphyrin that can be separated and interconverted, if needed.