Thermal and photochemical rearrangements of 4-benzyl-thiopyrimidin-2-ones
โ Scribed by Jean-Louis Fourrey; Patrick Jouin
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- French
- Weight
- 224 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0040-4039
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โฆ Synopsis
Recently
some unusually facile Claisen rearrangement reactions' involving heterocyclics related to nucleic acid constituents have been reported. These reactions of potential synthetic value deal with ally1 derivatives of substituted pyrimidines (5-hydroxyuracil 2 and 4-thio-
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The thermal decomposition of 1,4-dithiin sulfoxides has been known for a Chem., 38, 2419 (1973); K. Praefcke and C. Weichsel, Liebign Ann., 333 (1980), and references cited therein.
Photochemical and Thermal Rearrangements of 2-Arylamino-1-(4tert-butylphenoxy)-9,10-anthraquinones. -Irradiation of the title 2-arylaminoanthraquinones (III) proceeds by migration of the tert-butylphenyl group to the 9-carbonyl oxygen to furnish 1,10-anthraquinones [as hydrolysis products (IV)] or