Recent Progresses on Diarylethene Based Photochromic Switches
β Scribed by He Tian; Songjie Yang
- Publisher
- John Wiley and Sons
- Year
- 2004
- Weight
- 49 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0931-7597
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π SIMILAR VOLUMES
Synthesis and photophysical/ photochemical investigations of 1,8adihydro-2,3-bis(2,5-dimethy-3-thienyl)azulene-1,1-dicarbonitrile (1 A) and 1,8a-dihydro-2,3-diphenylazulene-1,1-dicarbonitrile (2 A) are reported. The photoprocesses and thermal reactions of systems 1 and 2 were studied by timeresolved
## Abstract Review: 64 refs.
## Abstract Two diarylethene derivatives **1βa** and **2βa** containing a 2,5βdiarylβ3βthienyl group have been designed and synthesized. The p__K__~a~ values of these compounds change upon photoirradiation. They have a phenol group as a proton source and a pyridinium group as an acceptor unit at ea