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1.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis and antiviral activity of fluorinated 3-phenyl-1,2,4- benzotriazines [Электронный ресурс] / S. K. Kotovskaya, G. A. Zhumabaeva, N. M. Perova, Z. M. Baskakova, V. N. Charushin, O. N. Chupakhin, E. F. Belanov, O. A. Serova // Pharmaceutical Chemistry Journal. - 2007. - Vol.41, №2. - P62-68
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CYCLIZATION -- CYTOTOXICITY -- FLUORINATION
Аннотация: New synthetic approaches to fluorinated 3-phenyl-1,2,4-benzotriazines for biological testing have been elaborated. 1-(3,4-Difluorophenyl)-3,5- diphenylformazan (IVa) was synthesized via dinitriding of 3,4-difluoroaniline, followed by azo-addition of the resulting azobenzenediazonium chloride with acetaldehyde phenylhydrazone. 6,7-Difluoro-3-phenyl-1,2,4-benzotriazine (Va) was obtained via intramolecular cyclization of formazan IVa in the presence of BF3/AcOH complex. Monofluoro-substituted 6-R-7-fluoro-3-phenyl-1,2,4- benzotriazine derivatives (Vb-Vq) were prepared by substituting fluorine atom with alkoxides in 3,4-difluoronitrobenzene. Conditions for nucleophilic substitution of the second fluorine atom in benzotriazines V have been established. Fluorinated 3-phenyl-1,2,4-benzotriazines have been tested for antiviral and cytotoxic activity on Vero cell cultures and proved to be active against severe diseases caused by smallpox and some other pathogenic viruses

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2.
Инвентарный номер: нет.
   
   O-97


   
    Oxidation of 1-methyl-1H-imidazole-2-thiol with chlorine dioxide [] / O. M. Lezina, S. A. Rubtsova, D. V. Belykh, P. A. Slepukhin, A. V. Kutchin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2013. - Vol.49, №1. - С. 112-118
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHLORINE DIOXIDE -- OXIDATION CONDITIONS -- IMIDAZOLIUM CHLORIDE
Аннотация: Oxidation of 1-methyl-1H-imidazole-2-thiol with chlorine dioxide was performed for the first time, and the results were shown to depend on the oxidation conditions. Optimal conditions were found for the preparation of 1-methylimidazole-2-sulfonic acid, 2,2′-disulfanediylbis(1-methylimidazole) hydrochlorite, and 1-methyl-3-sulfo-3H-imidazolium chloride. A new salt, 4-methylanilinium 1-methyl-1H-imidazole-2-sulfonate, was isolated

\\\\Expert2\\NBO\\Russian Journal of Organic Chemistry\\2013, 49, (1), 112-118.pdf
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3.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of polyfluoroalkyl-containing 1-(4-acetoxybutyl)- and 1-(4-hydroxybutyl)pyrazoles and their tuberculostatic activity / A. E. Ivanova, O. G. Khudina, Ya. V. Burgart, V. I. Saloutin, M. A. Kravchenko // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №11. - С. 2396-2400
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- PYRAZOLES -- TUBERCULOSTATIC ACTIVITY
Аннотация: Alkylation of polyfluoroalkyl-containing pyrazoles with 4-bromobutyl acetate in acetone in the presence of potassium carbonate leads to a mixture of isomeric 1-(4-acetoxybutyl)-3-fluoroalkyl- and 1-(4-acetoxybutyl)-5-fluoroalkylpyrazoles, which in a number of cases were successfully separated by HPLC. Deacylation in acidic medium with gaseous hydrogen chloride and in basic medium with gaseous ammonia leads to 1-(4-hydroxybutyl)pyrazoles, which manifest moderate tuberculostatic activity

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2011, 60 (11), 2396-2400.pdf
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4.
Инвентарный номер: нет.
   
   A 10


   
    A comparative study on the acylative kinetic resolution of racemic fluorinated and non-fluorinated 2-methyl-1,2,3,4-tetrahydroquinolines and 3,4-dihydro-3-methyl-2H-[1,4]benzoxazines [Electronic resource] / D. A. Gruzdev, E. N. Chulakov, G. L. Levit, M. A. Ezhikova, M. I. Kodess, V. P. Krasnov // Tetrahedron: Asymmetry . - 2013. - Vol.24, №19. - С. 1240-1246. - Bibliogr. : p. 1246 (21 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
RACEMIC FLUORINATED -- 1,2,3,4-TETRAHYDROQUINOLINES -- BENZOXAZINES
Аннотация: The acylative kinetic resolution of racemic 6-fluoro-2-methyl-1,2,3,4-tetrahydroquinoline, 7,8-difluoro-3,4-dihydro-3-methyl-2H-[1,4]benzoxazine, and their non-fluorinated analogues with (S)-naproxen and N-phthaloyl-(S)-amino acyl chlorides has been carried out. It has been shown that the presence of fluorine atoms in the aromatic fragment of a heterocyclic amine results in the increasing stereoselectivity of acylation with (S)-naproxen acyl chloride and in a decrease in the efficiency of acylative kinetic resolution using N-phthaloyl-(S)-amino acyl chlorides. A method for the preparation of enantiopure (S)-6-fluoro-2-methyl-1,2,3,4-tetrahydroquinoline (ee >99%) was developed

\\\\expert2\\NBO\\Tetrahedron Asymmetry\\2013, in Press, Corr. Proof, 4 Sept.pdf
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5.
Инвентарный номер: нет.
   
   M 78


   
    Modification of 2-trifluoromethyl-1H-benzimidazole with hydroxyalkyl substituents [Electronic resource] / E. V. Shchegol'kov, A. E. Ivanova, Ya. V. Burgart, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2013. - Vol.49, №3. - P417-420. - Библиогр.: с. 420 (7 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
1H-BENZIMIDAZOLE -- 4-BROMOBUTYL ACETATE -- HYDROGEN CHLORIDE
Аннотация: Alkylation of 2-(trifluoromethyl)-1H-benzimidazole with 4-bromobutyl acetate gave 4-[2-(trifluoromethyl)-1H-benzimidazol-1-yl]butyl acetate which was deacylated by the action of hydrogen chloride in anhydrous ethanol. 4-[2-(Trifluoromethyl)-1H-benzimidazol-1-yl]butan-1-ol thus formed showed a moderate tuberculostatic activity. Alkylation of the title compound with chloromethyloxirane afforded a mixture of 1-chloro-3-[2-(trifluoromethyl)-1H-benzimidazol-1-yl]-propan-2-ol and 1-(oxiran-2-ylmethyl)-2-trifluoromethyl-1H-benzimidazole. A new procedure was proposed for the synthesis of 2-[(2-trifluoromethyl-1Hbenzimidazol-1-yl)methoxy]ethyl acetate

\\\\expert2\\NBO\\Russian Journal of Organic Chemistry\\2013, 49, (3), 417-420.pdf
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6.
Инвентарный номер: нет.
   
   A 10


   
    A convenient approach to 4,7-dihydrotetrazolo [5,1-c ][1,2,4]triazine synthesis [Electronic resource] / E. V. Shchegol'kov, A. E. Ivanova, Ya. V. Burgart, V. I. Saloutin // Journal of Heterocyclic Chemistry. - 2013. - Vol.50. - PE80-E86
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TRIAZINE SYNTHESIS -- 1,3-DICARBONYL -- ISOMERISM
Аннотация: Azo coupling of 1,3-dicarbonyl compounds with tetrazolyl-5-diazonium chloride is used to develop a convenient one-step procedure for the synthesis of 4,7-dihydrotetrazolo[5,1-c][1,2,4]triazines. In contrast to nonfluorinated analogs, 7-hydroxy-7-polyfluoroalkyl-4,7-dihydrotetrazolo[5,1-c][1,2,4]triazines undergo a ring-chain isomerism resulting from the cleavage at the C7 - N7a bond. A distinctive feature of nonfluorinated 4,7-dihydrotetrazolo[5,1-c][1,2,4] triazines is the possibility to dehydration, which is accompanied by an azide rearrangement due to the tetrazole ring cleavage with the formation of tetrazolo[1,5-b][1,2,4]triazines

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7.
Инвентарный номер: нет.
   
   L 79


   
    Liquid-phase oxidation of trimethylhydroquinone catalyzed by copper(II) chloride in the presence of cellulose inorganic composites [Text] : доклад, тезисы доклада / A. B. Shishmakov, Yu. V. Mikushina, M. S. Valova, O. V. Koryakova, L. A. Petrov // III International Conference "Catalysis: Fundamentals and Application", dedicated to the 100th anniversary of Academician G. K. Boreskov, Novosibirsk, July 4-8 2007 : abstr. . - Novosibirsk, 2007. - P97-98
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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8.
Инвентарный номер: нет.
   
   R 45


   
    Research into the Possibility of Converting HCL to Molecular Chlorine with the Use of a Nanosecond Electron Beam [Text] / M. E. Balezin, I. A. Buldakov, S. Yu. Sokovnin, V. A. Simakina, I. Puzyrev, Yu. G. Yatluk // 15th International Symposium on Hight-Current Electronics : Proceedings . - Tomsk, 2008. - P512-514. - Bibliogr. : p. 514 (18 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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9.
Инвентарный номер: нет.
   
   A 19


   
    Acylative kinetic resolution of racemic amines using N-phthaloyl-(S)-amino acyl chlorides [Text] / D. A. Gruzdev, G. L. Levit, V. P. Krasnov, E. N. Chulakov, L. Sh. Sadretdinova, A. N. Grishakov, M. A. Ezhikova, M. I. Kodess, V. N. Charushin // Tetrahedron: Asymmetry . - 2010. - Vol. 21, № 8. - P936-942
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A comparative study of the kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline and 2,3-dihydro-3-methyl-4H-1,4-benzoxazine using N-phthaloyl-(S)-amino acyl chlorides as chiral acylating agents is described. Temperature and solvent effects on the stereochemical features have been examined. It has been found that N-phthaloyl-(S)-phenylalanyl and N-phthaloyl-(S)-2-phenylglycyl chlorides bearing aromatic substituents close to the stereogenic centre are more stereoselective acylating agents than N-phthaloyl-(S)-alanyl chloride. For the preparative kinetic resolution of racemic amines N-phthaloyl-(S)-phenylalanyl chloride proved to be the most appropriate chiral acylating agent

\\\\Expert2\\nbo\\Tetrahedron Asymmetry\\2010, v. 21, p.936.pdf
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10.
Инвентарный номер: нет.
   
   F 62


   
    Five-membered 2,3-dioxo heterocycles: LXXXV. Synthesis of methyl 1-aryl-4,5-dioxo-3-(1-oxo-3-phenylprop-2-en-1-yl)-4,5-dihydro-1H-pyrrole-2-carboxylates and their reaction with 3-amino-5,5-dimethylcyclohex-2-en-1-ones. Molecular and crystalline structure of 4′-hydroxy-1′-(4-methoxyphenyl)-6,6-dimethyl-3′-(1-oxo-3-phenylprop-2-en-1-yl)-1-phenyl-6,7-dihydrospiro[indole-3,2′-pyrrole]-2,4,5′(1H,1′H,5H)-trione / P. S. Silaichev, V. O. Filimonov, P. A. Slepukhin, A. N. Maslivets // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №4. - С. 561-565
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- CARBOXYLATES -- DIMETHYLCYCLOHEX
Аннотация: Treatment of methyl 2-arylamino-4-oxo-6-phenylhexa-2,5-dienoates with oxalyl chloride gave methyl 1-aryl-4,5-dioxo-3-(1-oxo-3-phenylprop-2-en-1-yl)-4,5-dihydro-1H-pyrrole-2-carboxylates which reacted with 3-benzylamino- and 3-arylamino-5,5-dimethylcyclohex-2-en-1-ones to produce 1′-aryl-1-benzyl- and 1,1′-diaryl-4′-hydroxy-6,6-dimethyl-3′-(1-oxo-3-phenylprop-2-en-1-yl)-6,7-dihydrospiro[indole-3,2′-pyrrole]-2,4,5′(1H,1′H,5H)-triones

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (4), 561-565.pdf
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