Nitropyrazoles |
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| Authors: | S. A. Shevelev V. M. Vinogradov I. L. Dalinger T. I. Cherkasova |
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| Affiliation: | (1) N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 47 Leninsky prosp., 117913 Moscow, Russian Federation |
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| Abstract: | A method for the synthesis of bi-, ter-, and quaterpyrazoles by cyclization ofC-(diformylmethyl)nitropyrazoles with hydrazine has been elaborated. Some of theirC- andN-derivatives have been obtained. The compounds prepared have been characterized by1H,13C,14N, and15N NMR spectra.For communication 6, see Ref. 1.Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 1941–1945, November, 1993. |
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| Keywords: | bipyrazoles terpyrazoles quaterpyrazoles nitro derivatives nitration |
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