Cyanoporphyrins. Co-ordinating and electrochemical properties
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 12,p. 1321-1324
- https://doi.org/10.1039/p29750001321
Abstract
Successive substitutions in the pyrrole rings of tetraphenylporphyrin by up to four cyano-groups lead to large additive anodic shifts of the redox potentials. These shifts are large than those observed with other electron-withdrawing substituents. The stoicheiometry and stability of the complexes formed from metallotetracycanoporphyrins (Cu, Ni, Ag) and nitrogenous bases (pyridine, piperidine) are determined. A novel five-co-ordinate silver(II) porphyrin is reported.Keywords
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