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Dendritic metalloporphyrins with a distal H-bond donor as mimics of haemoglobin.

Organic & biomolecular chemistry (2003-08-21)
Beatrice Felber, Carlos Calle, Paul Seiler, Arthur Schweiger, François Diederich
ABSTRAKT

We report the synthesis of iron(II) porphyrins functionalised with first- and second-generation dendrons as mimics of haemoglobin. The porphyrin core bears an ethynyl linker pointing towards the centre of the molecule, in an ideal position for the introduction of a series of distal ligands as potential H-bond donors by Pd0-catalysed Sonogashira cross-coupling.

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3-Iodobenzyl alcohol, 99%