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- Regioselective synthesis of N1-substituted-4-nitropyrazole-5-carboxylates via the cyclocondensation of ethyl 4-(dimethylamino)-3-nitro-2-oxobut-3-enoate with substituted hydrazines. Rulin Zhao, Zhenqiu Hong, Bei Wang, James Kempson, Lyndon Cornelius, Jianqing Li, Yi-Xin Li, Arvind Mathur
, Org. Biomol. Chem.
, 2022
, 20
, 9746
- Furan ring opening–pyrrole ring closure: a new synthetic route to aryl(heteroaryl)-annulated pyrrolo[1,2-a][1,4]diazepines. Alexander V. Butin, Tatyana A. Nevolina, Vitaly A. Shcherbinin, Igor V. Trushkov, Dmitry A. Cheshkov, Gennady D. Krapivin
, Org. Biomol. Chem.
, 2010
, 8
, 3316
- Pyrimidine reactions. Part XVIII. The conversion of 4-methoxy-5-nitropyrimidine into 3-amino-4-nitropyrazole by hydrazine. M. E. C. Biffin, D. J. Brown, Q. N. Porter
, J. Chem. Soc. C
, 1968
, 2159
- Studies in azole chemistry. Part 2. Nitration of 1,4,5-trimethylimidazole 3-oxide and 1-methylpyrazole 2-oxide, and some reactions of the products. Ian J. Ferguson, Kenneth Schofield, James W. Barnett, M. Ross Grimmett
, J. Chem. Soc., Perkin Trans. 1
, 1977
, 672
- Pyrazolopyridines. Part IV. Preparation and tautomerism of 6-cyano- and 6-ethoxycarbonyl-1,4-dihydropyrazolo[4,3-b]pyridin-7-ones. Hylton E. Foster, Jim Hurst
, J. Chem. Soc., Perkin Trans. 1
, 1976
, 507