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Pinacol−Pinacolone Rearrangements in vic- Dihydroxychlorins and Bacteriochlorins: Effect of Substituents at the Peripheral Positions

✍ Scribed by Pandey, Ravindra K.; Isaac, Meden; Medforth, Craig J.; Senge, Mathias O.; Dougherty, Thomas J.; Smith, Kevin M.


Book ID
118174446
Publisher
American Chemical Society
Year
1997
Tongue
English
Weight
615 KB
Volume
62
Category
Article
ISSN
0022-3263

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Substituent effects in tetrapyrrole subu
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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