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Journal article
Comments on photochromism of 3-(3-pyridyl)sydnone and 4-alkenylsydnones
Journal of Photochemistry and Photobiology A: Chemistry, Vol.298, pp.62-63
2015
Abstract
The blue photochromism of sydnones 1, in particular 3-(3-pyridyl) sydnone 1a, has been ascribed to the formation of nitrosaminoketenes 2 as carriers of the blue color, allegedly supported by CNDO/S-CI and STO-3G calculations. New calculations at TD-B3LYP/6-31+G**, RM06-2X/6-311+ +G(d,p), CAM-B3LYP/6-311++G(d,p), and CASPT2//CASSCF(6,6)/PVDZ levels demonstrate that the nitrosaminoketenes should be yellow and cannot possibly be blue. The sydnone photochromsm is not currently understood, and further experimental and computational investigation is required.
Details
- Title
- Comments on photochromism of 3-(3-pyridyl)sydnone and 4-alkenylsydnones
- Authors/Creators
- C. Wentrup (Author/Creator) - The University of QueenslandD. Kvaskoff (Author/Creator) - The University of QueenslandR.N. Veedu (Author/Creator) - The University of Queensland
- Publication Details
- Journal of Photochemistry and Photobiology A: Chemistry, Vol.298, pp.62-63
- Publisher
- Elsevier BV
- Identifiers
- 991005540019807891
- Copyright
- © 2014 Elsevier B.V.
- Murdoch Affiliation
- Murdoch University
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 2 Chemistry
- 2.1 Synthesis
- 2.1.549 Bioactive Heterocycles
- Web Of Science research areas
- Chemistry, Physical
- ESI research areas
- Chemistry