ChemInform Abstract: 5(4H)-Oxazolones. Part 10. Acid and Base Effects on the Translactonization Reaction of 4-(2-Oxa-alkylidene)-5(4H)-oxazolones: New Synthesis of 5-Alkylidene-3-benzoylamino-2(5H)-furanones.
β Scribed by M. L. GELMI; F. CLERICI; A. MELIS
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 34 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0931-7597
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Substituted 4(5H)-Oxazolones and Their Salts. Part 9. Synthesis of New Derivatives of 2[2-(Ξ±-Hetaryl)ethenyl]-4(5H)-oxazolonium Perchlorates and Their Properties. -Several novel furyl(thienyl)vinyl oxazolonium perchlorates (V) as well as their butadienylene analogues (III) are prepared by reaction
Synthesis and Reactions of 4H-Imidazo(4,5-e)(2,1,3)benzothiadiazol-5( 6H)-one. -The condensation of the diamino benzothiadiazole (I) with urea provides the imidazo derivative (III). Some reactions such as oximation and dialkylation are investigated. Corresponding monosubstituted derivatives of type