Synthesis of macrobicyclic phosphorus-containing d-metal tris-diiminates

2 SYNTHESIS OF MACROBICYCLIC PHOSPHORUS-CONTAINING d-METAL TRIS-DIIMINATES 

The resultant ligand readily formed semiclathrochelate [M(P(Hpox)2(pox))] complexes (where M is nickel, copper, cobalt, or zinc(II) ions) by the interaction of metal salts, e.g., perchlorates, with P Hpox) i ligand either in dry ethanol or in acetonitrile. Attempts to isolate analogous iron(II) and manganese(II) complexes gave no desired results [91, 92]. Direct synthesis of the macrobicyclic 

A similar reaction pathway was also employed to prepare the nickel(II) complex with a macrobicyclic 4-MePcc BF) ligand [93]. Attempts to obtained macrobicyclic manganese(II) and copper(II) complexes of this type from the corresponding semiclathrochelate complexes have not been successful [92]. 

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