Haem d1: stereoselective synthesis of the reduced form of its parent macrocycle using the original coupling strategy

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Christopher J. Aucken, Finian J. Leeper and Alan R. Battersby


Abstract

A substituted isobacteriochlorin, which corresponds structurally to the reduced metal-free macrocycle of haem d1, has been synthesised by a stereoselective route in which the final step is a photochemical 18π-electron antarafacial cyclisation of an open-chain precursor.


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