- Title
- Photochemical studies of tetra-2, 3-pyridinoporphyrazines
- Creator
- Seotsanyana-Mokhosi, Itumeleng, Kuznetsova, Nina, Nyokong, Tebello
- Subject
- To be catalogued
- Date
- 2001
- Type
- text
- Type
- article
- Identifier
- http://hdl.handle.net/10962/291580
- Identifier
- vital:56889
- Identifier
- xlink:href="https://doi.org/10.1016/S1010-6030(01)00427-0"
- Description
- Tetra-2,3-pyridinoporphyrazines and the corresponding water-soluble N,N′,N′′,N′′′-tetramethyl-tetra-2,3-pyridinoporphyrazine complexes, containing central metal atoms; M=Ge, Sn, Si and Zn, were synthesized and their photochemical properties were investigated. The reductive quenching of pyridinoporphyrazines excited states, enhanced relative to phthalocyanines, was considered as the first photochemical step of dyes phototransformation in dimethylformamide (DMF) and dimethylsulfoxide (DMSO) solutions under irradiation with visible light. Efficiency of singlet oxygen photosensitization decreases significantly in the row phthalocyanines, unquaternized, quaternized tetra-2,3-pyridinoporphyrazine metallocomplexes.
- Format
- computer, online resource, application/pdf, 1 online resource (8 pages), pdf
- Publisher
- Elsevier
- Language
- English
- Relation
- Journal of Photochemistry and Photobiology A: Chemistry, Seotsanyana-Mokhosi, I., Kuznetsova, N. and Nyokong, T., 2001. Photochemical studies of tetra-2, 3-pyridinoporphyrazines. Journal of Photochemistry and Photobiology A: Chemistry, 140(3), pp.215-222, Journal of Photochemistry and Photobiology A: Chemistry volume 140 number 3 p. 215 2001 1873-2666
- Rights
- Publisher
- Rights
- Use of this resource is governed by the terms and conditions of the Elsevier Terms and Conditions Statement (https://www.elsevier.com/legal/elsevier-website-terms-and-conditions)
- Rights
- Closed Access
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Nyokong, Tebello (Distinguished Professor)
RU Department of Chemistry
| Thumbnail | File | Description | Size | Format | |||
|---|---|---|---|---|---|---|---|
| View Details Download | SOURCE1 | Photochemical studies of tetra-2, 3-pyridinoporphyrazines.pdf | 166 KB | Adobe Acrobat PDF | View Details Download |