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 Найдено в других БД:Каталог книг и продолжающихся изданий (1)Труды Института высокотемпературной электрохимии УрО РАН (102)Труды сотрудников Института химии твердого тела УрО РАН (1)Расплавы (25)Публикации Чарушина В.Н. (18)
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Поисковый запрос: (<.>K=CHLORIDES<.>)
Общее количество найденных документов : 40
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 1-10    11-20   21-30   31-40  
1.
Инвентарный номер: нет.
   
   S 89


   
    Structure of diethyl (polyfluorobenzoyl)malonates and their thermal intramolecular cyclizat / D. N. Bazhin, E. V. Schegolkov, Yu. S. Kudyakova, Ya. V. Burgart, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 929-932
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYFLUOROBENZOYL -- POLYFLUOROBENZOYL CHLORIDES -- CYCLIZATION
Аннотация: The reaction of the C-ethoxymagnesium derivative of diethyl malonate with polyfluorobenzoyl chlorides affords the corresponding (polyfluorobenzoyl)malonates prone to thermal cyclization into coumarin derivatives. The compounds obtained are inherent in keto—enol tautomerism

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2011, 60 (5), 929-932.pdf
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2.
Инвентарный номер: нет.
   
   N 10


   
    N-heterocyclic carbenes. IV.(1)Synthesis of symmetrical and unsymmetrical imidazolium salts with abietane moiety / V. A. Glushkov, K. A. Arapov, M. S. Kotelev, K. S. Rudowsky, K. Yu. Suponitsky, A. A. Gorbunov, O. A. Maiorova, P. A. Slepukhin // Heteroatom Chemistry. - 2012. - Vol.23, №1. - С. 5-15
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
IMIDAZOLINIUM -- 12-AMINODEHYDROABIETATE -- SALTS OF IMIDAZOLINIUM
Аннотация: Methyl 12-chloromethyl-dehydroabie-tate reacts with 1-benzyl- and 1-arylimidazoles to give unsymmetrically substituted imidazolium chlorides (1a–i), with abietane moiety. Starting from methyl 12-aminodehydroabietate, symmetrically substituted diterpene-based salts of imidazolinium (4) and imidazolium (5) were synthesized. Anion exchange afforded corresponding (1e·BF4) and (1e·PF6). The new compounds were tested as ligands for a Pd-catalyzed Suzuki-Miyaura reaction. The molecular structure of (1e) is reported

\\\\Expert2\\nbo\\Heteroatom Chemistry\\2012, V. 23, N 1, P. 5-15.pdf
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3.
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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4.
Инвентарный номер: нет.
   
   G 90


    Gruzdev, D. A.
    Acylative kinetic resolution of racemic heterocyclic amines using N-phthaloyl-(S)-amino acyl chlorides with alkyl side chains / D. A. Gruzdev, G. L. Levit, V. P. Krasnov // Tetrahedron: Asymmetry . - 2012. - Vol.23. - С. 1640-1646. - Bibliogr.: p. 1645-1646 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
HETEROCYCLIC AMINES -- RACEMIC AMINES -- ACYL CHLORIDES
Аннотация: A comparative study of the acylative kinetic resolution of racemic 2-methyl-1,2,3,4 tetrahydroquinoline and 3,4-dihydro-3-methyl-2H-[1,4]benzoxazine using N-phthaloyl-(S)-amino acyl chlorides with alkyl side chains has been carried out. The influence of steric factors on the stereoselectivity of the acylation was demonstrated. The (S)-enantiomers of the heterocyclic amines (ee >99%) were obtained in good yields via a kinetic resolution protocol using N-phthaloyl-(S)-leucyl chloride

\\\\expert2\\NBO\\Tetrahedron Asymmetry\\2012, v. 23, p.1640.pdf
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5.
Инвентарный номер: нет.
   


   
    2-Arylpropionyl chlorides in kinetic resolution of racemic 3-methyl-2,3-dihydro-4H-[1,4]benzoxazines [Electronic resource] / E. N. Chulakov, D. A. Gruzdev, G. L. Levit, L. Sh. Sadretdinova, V. P. Krasnov, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 948-954. - Bibliogr. : p. 953-954 (34 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
KINETIC RESOLUTION -- ACYL CHLORIDES -- ENANTIOMERS
Аннотация: Kinetic resolution of racemic 3 methyl 2,3 dihydro 4H [1,4]benzoxazines in the reaction with chiral 2 arylpropionyl chloride predominantly yielded R*,R* diastereomers. Ibuprofen acyl chloride as acylating agent was found to be more selective and sensitive to the changes in the reaction temperature as compared to naproxen acyl chloride and 2 phenylpropionyl chloride

\\\\expert2\\NBO\\Russian Chemical Bulletin\\2011, 60 (5), 948-954.pdf
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6.
Инвентарный номер: нет.
   
   K 46


   
    Kinetic resolution of (+-)-2-methyl-1,2,3,4-tetrahydroquinoline by proline derivatives [Text] : доклад, тезисы доклада / V. P. Krasnov, I. A. Nizova, A. Yu. Vigorov, G. L. Levit, L. Sh. Sadretdinova, V. N. Charushin // 15th European Symposium on Organic Chemistry, Dublin, 8-13 July 2007 :abstr. - Dublin, Ireland, 2007. - 231 (P167)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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7.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing heterocycles. XVIII. Monofluoro derivatives of quinazolines and 1,3-benzothiazin-4-ones [Electronic resource] / E. V. Nosova, A. A. Laeva, T. V. Trashakhova, A. V. Golovchenko, G. N. Lipunova, P. A. Slepukhin, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2009. - Vol. 45, № 6. - P904-912
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 5- and 7-Fluoro-substituted quinazolines and 1,3-benzothiazin-4-ones were synthesized starting from 2-amino-6-fluorobenzonitrile and mono- and difluoro-substituted benzoic acid derivatives. The reactivities of di- and tetrafluoro-substituted benzoyl chlorides and benzoyl isothiocyanates in cyclocondensations leading to fluorinated quinazolines and 1,3-benzothiazines were compared

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2009, 45 (6), 904.pdf
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8.
Инвентарный номер: нет.
   
   S 91


   
    Substituent effect on the stereoselectivity of acylation of racemic heterocyclic amines with N-phthaloyl-3-aryl-(S)-alanyl chlorides [Text] / G. L. Levit, D. A. Gruzdev, V. P. Krasnov, E. N. Chulakov, L. Sh. Sadretdinova, M. A. Ezhikova, M. I. Kodess, V. N. Charushin // Tetrahedron: Asymmetry . - 2011. - Vol. 22, № 2. - P185-189. - Bibliogr. : p. 189 (17ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The acylative kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline and 2,3-dihydro-3-methyl-4H-1,4-benzoxazine using acyl chlorides of N-phthaloyl-(S)-phenylalanine, N-phthaloyl-3-(4-nitrophenyl)-(S)-alanine and N-phthaloyl-O-methyl-(S)-tyrosine as chiral resolving agents has been carried out. It is shown that the effectiveness of an acylative kinetic resolution depends on the electronic effects of substituents in the phenyl fragment of the acylating agent and increases as the electron-donating properties of the para-substituent (OMe H NO2) in phenyl fragment of N-phthaloyl-3-aryl-(S)-alanyl chlorides increase; conducting the process at a reduced temperature also contributes to an enhancement of the kinetic resolution

\\\\Expert2\\nbo\\Tetrahedron Asymmetry\\2011, v. 22, p.185.pdf
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9.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of enantiomers of 6-nitro- and 6-amino-2-methyl-1,2,3,4-tetrahydroquinolines / D. A. Gruzdev, G. L. Levit, M. I. Kodess, V. P. Krasnov // Chemistry of Heterocyclic Compounds. - 2012. - Vol.48, №5. - С. 748-757
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMIDES -- DIASTEREOISOMERS -- ENANTIOMERS
Аннотация: Enantiomers of 2-methyl-6-nitro-1,2,3,4-tetrahydroquinoline have been obtained by kinetic resolution of racemic 2-methyl-1,2,3,4-tetrahydroquinoline in acylation with acyl chlorides of N-protected amino acids followed by regioselective nitration of the diastereoisomeric amides and acidic hydrolysis. The introduction of a trifluoroacetyl protecting group into the position 1 of the enantio pure nitro compound followed by the reduction led to (S)-6-amino-2-methyl-1-trifluoroacetyl-1,2,3,4-tetra-hydroquinoline in a high yield

\\\\Expert2\\nbo\\Chemistry of Heterocyclic Compounds\\2012, v.48, N 5, p.748-757.pdf
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10.
Инвентарный номер: нет.
   
   K 46


   
    Kinetic resolution of (±)-2,3-dihydro-3-methyl-4h-1,4-benzoxazines with (s)-naproxen / V. N. Charushin, V. P. Krasnov, G. L. Levit, M. A. Koroleva, M. I. Kodess, O. N. Chupakhin, M. N. Kim, H. S. Lee, Y. J. Park, K. -C. Kim // Tetrahedron: Asymmetry . - 1999. - Vol. 10, № 14. - С. 2691-2702. - Bibliogr. : p. 2702 (13 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ENANTIOMERS -- BENZOXAZINES -- ACYL CHLORIDES

\\\\Expert2\\nbo\\Tetrahedron Asymmetry\\1999. v. 10. p.2691.pdf
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