Synthesis of naphtho[1,2-e]-pyrazolo[5,1-b][1,3]oxazines |
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| Authors: | V. A. Osyanin V. Y. Nakushnov Y. N. Klimochkin |
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| Affiliation: | (1) Samara State Technical University, 244 Molodogvardeyskaya St., Samara, 443100, Russia |
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| Abstract: | The previously unknown heterocyclic system naphtho[1,2-e]pyrazolo[5,1-b][1,3]oxazine was synthesized by the condensation of 1-dimethylaminomethyl-2-naphthols with bromopyrazoles. It is proposed that the highly reactive o-methylenequinone of the naphthalene series is formed as an intermediate. |
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