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1.

Вид документа :
Шифр издания : 54/R 30
Автор(ы) : Silaichev P. S., Stepanyan Yu.G., Ezhikova M. A., Kodess M. I.
Заглавие : Reactions of zinc enolates formed from 2,2-dibromoindan-1-one or 2,2-dibromo-3,4-dihydronaphthalen-1(2H)-one and zinc with alkyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylates
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №5. - С. 745-746
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): zink--enolates--carboxylates
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (5), 745-746.pdf
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2.

Вид документа : Статья из журнала
Шифр издания : 54/U 62
Автор(ы) : Boltacheva N. S., Slepukhin P. A., Chizhov D. L., Yachevskii D. S., Filyakova V. I., Charushin V. N.
Заглавие : Unusual transformations of lithium enolate of ethyl 4,4,4-trifluoro-3-oxobutanoate
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2012. - Vol.61, №3. - С. 563-567
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): lithium--enolates--unusual reactions
Аннотация: The present paper describes unusual reactions of lithium enolate of ethyl 4,4,4-trifluoro-3-oxobutanoate with ammonium acetate and 1-aminonaphthalene. These reactions produce 4-amino-2,6-bis(trifluoromethyl)pyridine and 4-trifluoromethyl-2-[(Z)-1,1,1-trifluoroprop-1-en-2-ol-1-yl]benzo[h]quinoline, respectively. The reaction of 1,1,7,7,7-hexafluoroheptane-2,4,6-trione hydrate with 1-naphthylamine gives a mixture of 4-trifluoromethyl-2-[(Z)-1,1,1-trifluoroprop-1-en-2-ol-1-yl]benzo[h]quinoline and N,N′-bis(naphth-1-yl)-2,6-bis(trifluoromethyl)pyridine-4(1H)-imine, respectively
\\\\Expert2\\NBO\\Russian Chemical Bulletin\\2012, 61 (3), 563-567.pdf
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3.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Stepanyan Yu. G., Silaichev P. S., Ezhikova M. A., Kodess M. I.
Заглавие : Reactions of bromine-containing organozinc compounds derived from alfa,alfa-dibromo ketones with 2-arylmethylideneindan-1,3-diones and 5-arylmethylidene-2,2-dimethyl-1,3-dioxane-4,6-diones [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2010. - Vol. 46, № 4. - С. 499-502: il.
Систем. требования: http://www.springerlink.com/content/d8k34238hm716721/fulltext.pdf
Примечания : Bibliogr. : p. 502 (3 ref.). - 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Bromine-containing organozinc compounds generated from 1,1-dibromo-3,3-dimethylbutan-2-one reacted with 2-arylmethylideneindan-1,3-diones and 5-arylmethylidene-2,2-dimethyl-1,3-dioxane-4,6-diones to give 3-aryl-2-(2,2-dimethylpropanoyl)spiro[cyclopropane-1,2'-indan]-1',3'-diones and 1-aryl-6,6-dimethyl-2-(2,2-dimethylpropanoyl)-5,7-dioxaspiro[2.5]octan-4,8-diones, respectively. Reactions of 2-arylmethylideneindan-1,3-diones with bromine-containing zinc enolates derived from 1-aryl-2,2-dibromopropan-1-ones and 2,2-dibromo-1,2,3,4-tetrahydronaphthalen-1-one resulted in the formation of 2-aroyl-3-aryl-2-methylspiro-[cyclopropane-1,2'-indan]-1',3'-diones and 2,3: 8,9-dibenzo-12-phenyldispiro[4.0.5.1]dodecane-1,4,7-trione, respectively.
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2010, 46 (4), 499-502.pdf
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4.

Вид документа : Статья из журнала
Шифр издания : 54/S 53
Автор(ы) : Shchepin V. V.
Заглавие : Reaction of zinc enolates prepared from 2,2-dibromoindan-1-one or 2,2-dibromo-1-tetralone and zinc with 2-oxochromen-3-carboxylic acid derivatives [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2007. - Vol. 43, № 10. - С. 1441-1445
Систем. требования: http://www.springerlink.com/content/l754q27352n53h26/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2007, 43 (10), 1441.pdf
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5.

Вид документа : Статья из журнала
Шифр издания : 54/C 98
Автор(ы) : Shchepin V. V., Stepanyan Yu.G., Silaichev P. S., Ezhikova M. A., Kodess M. I.
Заглавие : Cyclopropanation of 2-arylmethylidenemalononitriles, alkyl 3-aryl-2-cyanoprop-2-enoates, and N-substituted 3-aryl-2-cyanoprop-2-enamides with bromine-containing zinc enolates [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2007. - Vol. 43, № 7. - С. 1002-1007
Систем. требования: http://www.springerlink.com/content/h223241780n612p1/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Zinc enolates derived from 2,2-dibromoindan-1-one and 2,2-dibromo-1,2,3,4-tetrahydronaphthalen-1-one reacted with 2-arylmethylidenemalononitriles, alkyl 3-aryl-2-cyanoprop-2-enoates, and N-substituted 3-aryl-2-cyanoprop-2-enamides to give, respectively, 3-aryl-1?-oxo-1?,3?-dihydrospiro[cyclopropane-1,2?-indene]-2-2-dicarbonitriles, 3-aryl-1?-oxo-3?,4?-dihydro-1?H-spiro[cyclopropane-1,2?-naphthalene]-2,2-dicarbonitriles, alkyl 3-aryl-2-cyano-1?-oxo-1?,3?-dihydrospiro[cyclopropane-1,2?-indene]-2-carboxylates, alkyl 3-aryl-2-cyano-1?-oxo-3?,4?-dihydro-1?H-spiro[cyclopropane-1,2?-naphthalene]-2-carboxylates, and N-substituted 3-aryl-2-cyanol-1?-oxo-3?,4?-dihydro-1?H-spiro[cyclopropane-1,2?-naphthalene]-2-carboxamides as a single diastereoisomer. The stereoconfiguration of the products was determined by 1H and 13C NMR spectroscopy
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2007, 43 (7), 1002.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Silaichev P. S., Russkikh N.Yu., Vahrin M.I., Kodess M. I.
Заглавие : Reaction of N-substituted 2-oxochromen-3-carboxamides with bromoderivatives of zinc enolates prepared from alkyl 2,2-dialkyl-4,4-dibromo-3-oxoalkanoates and zinc [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 8. - С. 1157-1163
Систем. требования: http://www.springerlink.com/content/h7t4g2801hv891r0/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Zinc enolates obtained from ethyl 2,2-dialkyl-4,4-dibromo-3-oxobutanoates and zinc react with N-substituted 2-oxochromen-3-carboxamides forming ethyl 3-(1a-(R3-carbamoyl)-2-oxo-1a,7b-dihydrocyclopropa[c]chromen-1-yl)-2,2-dialkyl-3-oxopropanoate isomer with a Z-position of methine hydrogens. Zinc enolates prepared from alkyl 2,2-dialkyl-4,4-dibromo-3-oxopentanoates and-hexanoates and zinc react with N-substituted 2-oxochromen-3-carboxamides to give rise to esters of 3-(1-alkyl-1a-(R3-carbamoyl)-2-oxo-1a,7b-dihydrocyclopropa-[c]chromen-1-yl)-2,2-dialkyl-3-oxopropanoic acid as isomers with the E-position of the methine proton and the alkyl substituent. The reaction carried out in the presence of small quantities of THF and HMPA leads to the formation of 9c-alkyl-2-R3-9b,9c-dihydro-5-oxa-2-azacyclopenta[2,3]-cyclopropa[1,2-a]naphthalene-1,3,4-triones. Zinc enolates from alkyl 2,2-dialkyl-4,4-dibromo-3-oxopentanoates and-hexanoates and zinc with the secondary amides of 2-oxochromen-3-carboxylic acid form alkyl 3-(2-oxo-1a-(piperidinocarbonyl)-and 3-(6-R1-1a-(morpholinocarbonyl)-2-oxo-1a,7b-dihydrocyclopropa[c]chromen-1-yl)-2,2-R2,R2-3-oxopropanoates as single geometrical isomers
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (8), 1157.pdf
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7.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Korzun A.E., Vakhrin M.I., Silaichev P. S., Ezhikova M. A., Kodess M. I.
Заглавие : Reactions of zinc enolates derived from 1-aryl-2-bromo-alkanones and 1-aryl-2-bromo-2-phenylethanone with 3-aroyl-6-bromochromen-2-ones and 2-benzoylbenzo[f]chromen-3-one [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 9. - С. 1344-1347
Систем. требования: http://www.springerlink.com/content/h5742j6jn2715675/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 3-Aroyl-6-bromochromen-2-ones and 2-benzoylbenzo[f]chromen-3-one reacted with zinc enolates derived from 1-aryl-2-bromoalkanones and 1-aryl-2-bromo-2-phenylethanone to give, respectively, 4-(1-alkyl-2-aryl-2-oxoethyl)-3-aroyl-6-bromochroman-2-ones and 1-(2-aroyl-1-methyl-2-oxoethyl)-2-benzoyl-1,2-dihydrobenzo[f]chromen-3-ones as a single stereoisomer. Treatment with acetic anhydride of the intermediate product obtained from 3-benzoyl-6-bromochromen-2-one and [1-(4-chlorophenyl)-2-phenylethen-1-yloxy]-zinc(II) bromide resulted in the formation of 3-(1-acetoxy-1-phenylmethylidene)-6-bromo-4-[2-(4-chlorophenyl)-2-oxo-1-phenylethyl]chroman-2-one
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (9), 1344.pdf
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8.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Korzun A.E., Vakhrin M.I., Silaichev P. S., Ezhikova M. A., Kodess M. I.
Заглавие : Reaction of alkyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylates with zinc enolates prepared from zinc and 1-arul-2-bromo-2-phenylethanones, 2 bromoindanone, and 2-bromo-6-methyltetralone [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 8. - С. 1169-1173
Систем. требования: http://www.springerlink.com/content/rq9rw6g47x119818/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Alkyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylates react with zinc enolates prepared from 1-aryl-2-bromo-2-phenylethanones, 2-bromo indanone, 2-bromo-6-methyltetralone and zinc with formation of ethyl 4-(2-aryl-2-oxo-1-phenyl-ethyl)-5,5-dimethyl-2-oxotetrahydrofuran-3-carboxylates, alkyl 5,5-dimethyl-2-oxo-4-(1-oxoindan-2-yl)tetrahydrofuran-3-carboxylates, and ethyl 5,5-dimethyl-4-(6-methyl-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)-2-oxotetrahydrofuran-3-carboxylates respectively, mainly as single diastereomers
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (8), 1169.pdf
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9.

Вид документа : Статья из журнала
Шифр издания : 54/S 98
Автор(ы) : Shchepin V. V., Silaichev P. S., Racitin A. R., Kodess M. I.
Заглавие : Synthesis of 8-R-9c-alkyl-1-aryl-2-benzyl-1-hydroxy-1,2,9b,9c-tetrahydro-5-oxa-2-aza-cyclopenta[2,3]cyclopropa[1,2-a]naphthalene-3,4-diones and reaction thereof with acetic anhydride
Место публикации : Tetrahedron Letters. - 2006. - Vol. 47, № 4. - С. 557-560
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of zinc enolates synthesized from 1-aryl-2,2-dibromoalkanones and zinc with 6-R-2-oxochromene-3-carboxylic acid N-benzylamide affords 8-R-9c-alkyl-1-aryl-2-benzyl-1-hydroxy-1,2,9b,9c-tetrahydro-5-oxa-2-aza-cyclopenta[2,3]cyclopropa[1,2-a]naphthalene-3,4-diones. Acylation of these compounds is accompanied by an unexpected rearrangement producing a sole geometrical isomer of 4?-alkyl-5?-aryl-1?-benzyl-3,4,2?,3?-tetrahydro-2,2?-dioxospiro[chroman-3,3?-pyrrol]-4-yl acetates
\\\\Expert2\\nbo\\Tetrahedron Letters\\2006, v. 47, p.557.pdf
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10.

Вид документа : Статья из журнала
Шифр издания : 54/C 98
Автор(ы) : Shchepin V. V., Silaichev P. S., Stepanyan Yu.G., Kalyuzhnyi M.M., Russkikh N.Yu., Kodess M. I.
Заглавие : Cyclopropanation of N-substituted 3-aryl-2-cyanoprop-2-enamides and derivatives of 5,5-Dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylic acid and 2-oxochromene-3-carboxylic acid with bromine-containing zinc enolates [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 7. - С. 973-980
Систем. требования: http://www.springerlink.com/content/dk460032hk0v5214/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Zinc enolates derived from 1-aryl-2,2-dibromoalkanones react with N-substituted 3-aryl-2-cyanoprop-2-enamides and 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylic and 2-oxochromene-3-carboxylic acid derivatives to give, respectively, N-substituted 2-alkyl-3-aryl-2-aroyl-1-cyanocyclopropane-1-carboxamides, 6-(4-bromobenzoyl)-4,4,6-trimethyl-2-oxo-3-oxabicyclo[3.1.0]hexane-1-carboxylic acid ethyl ester and morpholide, and 1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropla[c]chromene-1a-carboxylic acids as a single geometric isomer. Treatment of 1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropa[c]chromene-1a-carboxylic acids with carboxylic acid anhydrides leads to the formation of the corresponding 9c-alkyl-1-aryl-3,4-dioxo-9b,9c-dihydro-2,5-dioxacyclopenta[2,3]cyclopropa[1,2-a]naphthalen-1-yl carboxylates
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (7), 973.pdf
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