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ChemInform Abstract: Heterocyclic Synthesis via Enaminonitriles: One-Pot Synthesis of Some New Pyrazole, Isoxazole, Pyrimidine, Pyrazolo[1,5-a]pyrimidine, Pyrimido[1,2-a]benzimidazole, and Pyrido[1,2-a]benzimidazole Derivatives.

✍ Scribed by Kamal M. Dawood; Ahmad M. Farag; Zaghloul E. Kandeel

Publisher: John Wiley and Sons
Year: 2010
Weight: 31 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199932043

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## 2-Acetylbenzothiazole (1) reacts with dimethylformamide dimethylacetal (DMF-DMA) to afford the enaminone 2. Compound 2 reacts regioselectively with some nitrilimines 5a-d and nitrile oxides 6b-d to afford the novel pyrazole and isoxazole derivatives 11a-d and 12b-d, respectively, which react wi

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