ChemInform Abstract: Aroylation of Fused Pyrimidines: Synthesis of 4-Aroylfuro[2,3-d]-, 4-Aroylthieno[2,3-d]-, and 4-Aroylisoxazolo[5,4-d]pyrimidines.
โ Scribed by A. MIYASHITA; K. OBAE; Y. SUZUKI; E. OISHI; K. IWAMOTO; T. HIGASHINO
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 34 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0931-7597
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Synthesis of 1,2,3-Thiadiazolo (5,4-d)pyrimidines. -Condensation of 5-aminothiadiazole-4-carboxamides (I) or (IV) with orthoesters provides the target thiadiazolopyrimidines in moderate to good yield. Attempts to synthesize this heterocyclic system by three-component condensation of readily availab