Abstract
1. In reactions of vanadyl porphyrins with metal halides, deoxygenation of the vanadyl ion occurs, forming an octahedral complex of dihalovanadium(IV) porphyrin (P), and in the intermediate stage a bimetallic complex of vanadium porphyrin with halide, in which the halogen cation is bound via a bridging oxygen atom to the vanadium ion. 2. In dihalogen complexes VX2−P for the vanadium(IV) ion there is realized a regular octahedral environment and the axis of tetragonal distortion can be oriented either perpendicular or in the plane of the porphyrin. 3. The oxide forms formed by oxidation in the presence of halides are dihalogen complexes of vanadium(IV) with mono- and dication porphyrin ligands.
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Schedule a callMore From: Bulletin of the Academy of Sciences of the USSR Division of Chemical Science
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