Computational Exploration of the Photocycloaddition of Imines to Alkenes
✍ Scribed by Diego Sampedro
- Publisher
- John Wiley and Sons
- Year
- 2006
- Tongue
- English
- Weight
- 167 KB
- Volume
- 7
- Category
- Article
- ISSN
- 1439-4235
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📜 SIMILAR VOLUMES
## Abstract The photocycloaddition of benzothiazole‐2‐thiones to electron‐rich and aryl‐substituted alkenes are described. Irradiation of __N__‐unsubstituted benzothiazole‐2‐thione (1) in the presence of alkenes 3 gave 2‐(2′‐mercaptoalkyl)benzothiazoles 4, and 2‐substituted benzothiazoles 5 and 6 (
3+2]-Photocycloadditions of 1,2-, 1,3-, and 2,3-dicyanonaphthalenes to alkenes were found to proceed at the 1,8-, 4,5-, and 1,8-positions of the naphthalene ring of dicyanonaphthalenes, respectively. In the photoreactions of the 1,3-and 2,3-isomers [3+2]-adducts were obtained in oxidized forms and a
A synthetically useful C-C bond formation involving the photochemical addition of quinoxaline-2( 1 H )thiones to alkenes is described. Irradiation of the quinoxaline-2(1H)-thiones 1 4 in the presence of the alkenes 7 gave the 2-(2'-mercaptoalkyl)quinoxalines 8 1 1 in moderate-to-good yields via ring