Synthesis of Heterocyclics from Isothiocyanates
β Scribed by J. Goerdeler
- Publisher
- John Wiley and Sons
- Year
- 1963
- Tongue
- English
- Weight
- 226 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0044-8249
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π SIMILAR VOLUMES
Alkyl azides react with aroyl isothiocyanates at ca 50" to yield I,2,4-dithiazolidines (2) and 1,2,4-thiadiazoles (5). that of p-nitrobenzoyl isothiocyanate. spectral analyses, and, in the case of s, on an X-ray diffraction study. a nearly linear N-S...O arrangement with a S...O distance of 2 . 5 2
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Heterocyclic ketene aminals reacted with aryl isothiocyanates to give products of addition to the /?carbon. By oxidative cyclization o f these addition products by the action of bromine, isothiazole-fused heterocycles or benzothiazole-substituted heterocyclic ketene aminals were formed according to