The protonation of chlorins (dihydroporphyrins) |
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| Authors: | J.A.S. Cavaleiro A.H. Jackson S.A. Ali |
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| Affiliation: | Departamento de Quimica, Universidade de Aveiro, Portugal;Department of Chemistry, University College, P.O. Box 78, Cardiff, Wales. UK |
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| Abstract: | Octaethylchlorin forms a violet mono-cation and a deep blue di-cation in two discrete stages on spectrophotometric titration with trifluoroacetic acid in chloroform solution, and similar results are obtained with chlorophyll derivatives although the colour changes are much less pronounced. |
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