Reversible trans–cis photoisomerization of new pyrrolidene heterocyclic imines
✍ Scribed by Coelho, Paulo J.; Castro, M. Cidália R.; Raposo, M. Manuela M.
- Book ID
- 120974597
- Publisher
- Elsevier Science
- Year
- 2013
- Tongue
- English
- Weight
- 661 KB
- Volume
- 259
- Category
- Article
- ISSN
- 1010-6030
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## Abstract New polydimethylsiloxanes with __p__‐substituted azobenzene side‐groups were synthesized. Thin films and solutions exhibit a photochemical __trans‐cis__ isomerization of the azobenzene groups, followed by their __cis‐trans__ thermal relaxation in the dark. In films, relaxation rates wer
## Abstract magnified image The parent compound 5‐oxo‐10a‐phenyl‐2,3,10,10a‐tetrahydro‐5__H__‐[1,3]‐oxazolo‐[3,2‐__b__]‐isoquinoline‐10‐carboxylic acid (**5**) was prepared in large scale and a good yield by reaction between homophthalic anhydride (**3**) and 4,5‐dihydro‐2‐phenyl‐1,3‐oxazole (**4*