Zobrazeno 1 - 10 of 28 pro vyhledávání: '"S. V. Shorshnev"'
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Reactions of Diazido Derivatives of s-Triazine with C-Nucleophiles
Autor: Yu. A. Azev, Oleg N. Chupakhin, S. V. Shorshnev, O. L. Guselnikova, Vladimir L. Rusinov, I. P. Loginova
Publikováno v: Mendeleev Communications. 4:104-107
The reaction of 2,4-diazido- s -triazines 1 with an equimolar amount or a two-fold molar excess of ethyl cyanoacetate in the presence of triethylamine in DMF affords the corresponding mono- 2 or diamino derivatives of s-triazine 3 ; on heating 2,4-di
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95d120437df9bd46723030c97fba7df4
https://doi.org/10.1070/mc1994v004n03abeh000371
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6
ChemInform Abstract: Reactions of N-Aminoquinolones with Ketones: A New Approach to the Synthesis of Tricyclic 6-Fluoro-4-oxo-1,4-dihydroquinoline-3- carboxylic Acids
Autor: Valerii N. Charushin, Elizaveta Tsoi, S. V. Shorshnev, Yu. A. Azev, S. G. Alexeev, Oleg N. Chupakhin
Publikováno v: ChemInform. 24
Reactions of 7-(X)-substituted ethyl 1-amino-4-oxo-1,4-dihydroquinoline-3-carboxylates (1a-c; X = F, Cl and 4-methylpiperazin-1-yl) with mono- and di-ketones have been studied. Treatment of 1a; X = F with cyclopentanone and cyclopentanone in acetic a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::96a7be47ab39c4d431479b5a7b365979
https://doi.org/10.1002/chin.199315193
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7
ChemInform Abstract: 1-Alkyl-1,2,4-triazinium Ylides as 1,3-Dipoles in a Cycloaddition Reaction with Diethyl Acetylenedicarboxylate
Autor: Valerii N. Charushin, B. V. Rudakov, Oleg N. Chupakhin, S. V. Shorshnev, S. G. Alexeev
Publikováno v: ChemInform. 24
Deprotonation of 1-alkyl-5-phenyl-1,2,4-triazinium salts by triethylamine results in the formation of azomethyne ylides which undergo a 1,3-dipolar cycloaddition reaction with diethyl acetylenedicarboxylate to yield pyrrolo[2,1- f ]1,2,4-triazines
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::191be82876ae2b0d11e361a20850f989
https://doi.org/10.1002/chin.199315090
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8
ChemInform Abstract: Reactions of Diazido Derivatives of s-Triazine with C-Nucleophiles
Autor: O. L. Guselnikova, Vladimir L. Rusinov, Yu. A. Azev, I. P. Loginova, S. V. Shorshnev, Oleg N. Chupakhin
Publikováno v: ChemInform. 25
The reaction of 2,4-diazido- s -triazines 1 with an equimolar amount or a two-fold molar excess of ethyl cyanoacetate in the presence of triethylamine in DMF affords the corresponding mono- 2 or diamino derivatives of s-triazine 3 ; on heating 2,4-di
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::805af9a50f6315d134aeb0ba035951e5
https://doi.org/10.1002/chin.199443191
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10
Identification of steroid drugs by13C NMR spectroscopy
Autor: A. P. Arzamastsev, V. S. Kartashov, S. V. Shorshnev
Publikováno v: Pharmaceutical Chemistry Journal. 26:641-644
In this work the 13C NMR spectra with complete suppression of spin--spin coupling of the carbon nuclei with protons were studied for progesterone (I), hydroxyprogesterone caproate (II), medroxyprogesterone acetate (III), acetomepregnenole (IV), pregn
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a3d4240625fe74a4ae9717985e454355
https://doi.org/10.1007/bf00777149
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