Substituent effects in tetrapyrrole subu
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Ravindra K. Pandey; Fuu-Yau Shiau; Meden Isaac; S. Ramaprasad; Thomas J. Dougher
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Article
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1992
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Elsevier Science
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French
⚖ 281 KB
Regiospeciflcity of pyrrole subunit 0~04 oxidation in porphyrins is affected significantly by the presence of electron-withdrawing groups on the macrocycle. the oxidation taking place at the subunit in the quadrant opposite to the electronegative group. Migratory aptitudes in subsequent pinacol-pina