Heterocyclic synthesis via enaminones: R
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Kamal M. Dawood; Zaghloul E. Kandeel; Ahmad M. Farag
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Article
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1999
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John Wiley and Sons
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English
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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