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1.

Вид документа : Статья из журнала
Шифр издания : 54
Автор(ы) : Trashakhova T. V., Nosova E. V., Slepukhin P. A., Valova M. S., Lipunova G. N., Charushin V. N.
Заглавие : 2-Hydroxybenzaldehyde (2-phenylquinazolin-4-yl)hydrazones
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №11. - С. 2347-2353
Примечания : Bibliogr. : p. 2353 (23 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): salicylidenehydrazine--zinc(ii) complexes--photoluminescent
Аннотация: N-(2-Phenylquinazolin-4-yl)-N´ salicylidenehydrazines and their ZnII complexes were obtained. The structures and luminescent properties of these new quinazoline derivatives were examined
\\\\expert2\\NBO\\Russian Chemical Bulletin\\2011, 60 (11), 2347-2353.pdf
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2.

Вид документа : Статья из журнала
Шифр издания : 54
Автор(ы) : Kozhevnikov D. N., Shabunina O. V., Kopchuk D. S., Slepukhin P. A., Kozhevnikov V. N.
Заглавие : 5-Aryl-2,2-bipyridines as tunable fluorophores
Место публикации : Tetrahedron Letters. - 2006. - Vol. 47, № 39. - С. 7025-7029
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Readily available 5-aryl-2,2?-bipyridines and their derivatives are a unique family of fine-tunable chromophores, where changes in the substitution patterns, solvation and coordination are translated into dramatic spectral changes. They exhibit sensitive and selective response to zinc ions with dramatic increases in emission intensity or significant red-shifts of emission maxima????
\\\\Expert2\\nbo\\Tetrahedron Letters\\2006, v. 47, p.7025.pdf
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3.

Вид документа : Статья из журнала
Шифр издания : Г/A 22
Автор(ы) : Puzyrev I. S., Andreikov E. I., Osipova V. A., Zakharova G. S., Podval'naya N. V.
Заглавие : Adsorption properties of mesoporous carbon synthesized by pyrolysis of zinc glycerolate
Место публикации : Russian chemical bulletin. - 2021. - Vol. 70, № 5. - С. 805-810
ББК : Г
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Mesoporous carbon of lamellar morphology was synthesized by the thermal decomposition of zinc glycerolate in an inert atmosphere followed by the removal of zinc oxide from the ZnO/C composite. The obtained material was characterized by scanning electron microscopy, Raman spectroscopy, and low-temperature adsorption of nitrogen. Mesoporous carbon is remarkable for a high adsorption rate of methylene blue dye from aqueous solutions with the maximum adsorption capacity toward the dye equal to 1680 mg g−1.
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4.

Вид документа : Статья из журнала
Шифр издания : 54/A 48
Автор(ы) : Kozhevnikov V. N., Shabunina O. V., Sharifullina A. R., Rusinov V. L., Chupakhin O. N., Koenig B.
Заглавие : Aminomethyl bi- and terpyridines as luminescent probes for Zn2+ ions [Electronic resource]
Место публикации : Mendeleev Communications. - 2005. - Vol. 15, № 1. - С. 8-9
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0959943605701607
Примечания : 11.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 2,2'-Bi- and 2,2':6',2"-terpyridines, bearing aminomethyl and aryl substituents, show a significant increase in emission intensity and bathochromic emission wavelength change upon the addition of zinc ions in aqueous solution, and they can be used as luminescent probes for zinc ions in physiological media.
\\\\Expert2\\nbo\\Mendeleev Communications\\2005, v.15, p.8.pdf
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5.

Вид документа : Статья из журнала
Шифр издания :
Автор(ы) : Zharkov G. P., Filimonova O. V., Petrova Y. S., Pestov A. V., Neudachina L. K.
Заглавие : Complexing properties of N-[1,1-bis(hydroxymethyl)ethyl]-and N-[tris(hydroxymethyl)methyl]-β-alanine
Место публикации : Russian chemical bulletin. - 2022. - Vol. 71, № 1. - С. 152–157
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): β-alanine
Аннотация: Protolytic and complexing properties of N-[1,1-bis(hydroxymethyl)ethyl]- and N-[tris-(hydroxymethyl)methyl]-β-alanine were estimated using the potentiometry. Values of the dissociation constants of amino and carboxyl functional groups in molecules of these reagents, as well as the stability constants of their complexes of various compositions with copper(II), cobalt(II), nickel(II), zinc(II), cadmium(II), silver(I), magnesium(II), calcium(II), strontium(II), and barium(II) ions, were calculated. The hydroxyalkylation of β-alanine tunes its properties towards the considered metal ions. Complexes of copper(II) ions with these β-alanine derivatives are the most stable complex compounds among explored herein.
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6.

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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7.

Вид документа : Статья из журнала
Шифр издания : 54/C 98
Автор(ы) : Shchepin V. V., Silaichev P. S., Shchepin R.V., Ezhikova M. A., Kodess M. I.
Заглавие : Cyclopropanation of N-Substituted 2-Oxochromene- and 6-Bromo-2-oxochromene-3-carboxamides with Zinc Enolates Derived from 1-Aryl-2,2-dibromoalkanones [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 4. - С. 527-534
Систем. требования: http://www.springerlink.com/content/t64r8082010l8686/fulltext.pdf
Примечания : 31.10.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Zinc enolates derived from 1-aryl-2,2-dibromoalkanones react with N-cyclohexyl-2-oxochromene-3-carboxamides to give N-cyclohexyl-1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropa[c]chromene-1a-carboxamides mainly as cis isomers with respect to the substituents in positions 1 and 1a. Reactions of the same zinc enolates with N-benzyl-2-oxochromene-3-carboxamide and N-benzyl-6-bromo-2-oxochromene-3-carboxamide lead to formation of 1-aryl-2-benzyl- and 1-aryl-2-benzyl-6-bromo-1-hydroxy-9c-alkyl-1,2,9b,9c-tetrahydro-5-oxa-2-azacyclopenta[2,3]cyclopropa[1,2-a]naphthalene-3,4-diones. The reaction of zinc enolates with N-aryl-2-oxochromene-3-carboxamides in a weakly polar solvent (diethyl ether or ethyl acetate) affords mixtures of cis-N-aryl-1-aroyl-1-alkyl-2-oxo-1a,7b-dihydrocyclopropa[c]chromene-1a-carboxamides and their cyclic isomers, 9c-alkyl-1,2-diaryl-1-hydroxy-1,2,9b,9c-tetrahydro-5-oxa-2-azacyclopenta[2,3]cyclopropa[1,2-a]naphthalene-3,4-diones, the latter prevailing. N-Substituted 1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropa[c]chromene-1a-carboxamides in which the aroyl group on C1 and the carboxamide group on C1a are arranged trans are formed by reactions of zinc enolates with the corresponding 2-oxochromene-3-carboxamides in the presence of hexamethylphosphoric triamide
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2005, 41 (4), 527.pdf
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8.

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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9.

Вид документа :
Шифр издания : 54/D 46
Автор(ы) : Kopchuk D. S., Prokhorov A. M., Slepukhin P. A., Kozhevnikov D. N.
Заглавие : Design of ICT-PET fluorescent probes for zinc(II) based on 5-aryl-2,2′-bipyridines
Место публикации : Tetrahedron Letters. - 2012. - Vol.53, №46. - С. 6265-6268
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): zinc(ii) sensor--bipyridines--intramolecular charge transfer
Аннотация: Rational design of selective and sensitive ‘off-on’ fluorescent probes for Zn(II) cations exploiting both PET and ICT mechanisms of sensing is illustrated by the synthesis and application of 5-aryl-2,2′-bipyridines modified with a dipicolylaminomethyl fragment. The aryl substituent provides tuning of the prop
\\\\Expert2\\nbo\\Tetrahedron Letters\\2012, v. 53, p. 6265.pdf
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10.

Вид документа : Статья из журнала
Шифр издания : 54/K 42
Автор(ы) : Khomutov O. G., Filyakova V. I., Pashkevich K. I.
Заглавие : Selective reduction of derivatives of fluorinated beta-diketones
Место публикации : Journal of Fluorine Chemistry. - 1992. - Vol. 58, № 2-3. - С. 351
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reduction of fluorinated ?-diketones (DK) is known to give ?-diols [G. Swalens, M. Anteunis and D. Tavernier, Bull. Soc. Chim. Belg., 79 (1970) 441–450] and ?-hydroxyketones (HK) II [A.L. Henne and P.E. Hinkamp, J. Am. Chem. Soc., 76 (1954) 5147]. We have established that the lithium salts (Ia) as well as chelate compounds of DK with zinc (Ib) and aluminium (Ic) undergo selective reduction with LiAlh4 to HK III. Salts (Id) and chelate compounds (If) are not reduced under the same conditions
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11.

Вид документа : Статья из журнала
Шифр издания : 54/P 51
Автор(ы) : Marakushev A. A., Paneyakh N. A., Rusinov V. L., Pertsev N. N., Zotov I. A.
Заглавие : Petrological model of formation of giant ore deposits
Место публикации : Geology of Ore Deposits. - 1998. - Vol. 40, № 3. - С. 211-227
Примечания : Bibliogr. : p. 227 (46 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The available data on the giant ore deposits of chromium (Kempirsai in the Urals), platinum-group metals (Bushveld in Africa), platinum-bearing copper-nickel ores (Talnakh in the Noril'sk district, northern part of the Siberian Platform), zinc-copper (massive sulfide) ores (Gai, Sibai, and Uchaly) and apatite deposits (Khibiny, the Kola Peninsula) is summarized. The giant sizes of the deposits are caused by extraordinary ore-forming processes directly associated with the highly extensive petrogenetic processes. These processes resulted in the formation of peculiar dunites in the hyperbasite complexes (chromite ores), agpaitic urtites in alkaline associations (apatite deposits), development of low-sulfide horizons and hortonolite dunites in the basite-hyperbasite layered intrusions (platinum-group metal deposits), specific processes of transmagmatic sulfurization of the iron-rich igneous differentiates (Cu-Ni sulfide and massif sulfide ores), and processes of magmatic replacement of hyperbasites that cause the alkaline agpaitic affinity of magmatism. This agpaitic tendency increases the solubility of carbon-bearing fluid components (CO2, CH4, etc.) in magma and leads to the concentration of ore metals, which form chloride-carbonate and hydrocarbon migrating compounds in the transmagmatic fluids. Some mineralogical-petrological prospecting criteria are deduced on the basis of genetic models of giant ore deposits.
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12.

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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13.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Kirillov N. F., Slepukhin P. A., Nikiforova E. A., Shurov S. N., Kashkin P. M.
Заглавие : Reaction of methyl 1-(2-bromo-4-methoxy-1,4-dioxobutyl)- cyclohexanecarboxylate with zinc and aromatic aldehydes [Электронный ресурс]
Место публикации : Mendeleev Communications. - 2014. - Vol.24, №3. - С. 178-179
Систем. требования: http://libgen.org/scimag/get.php?doi=10.1016%2Fj.mencom.2014.04.019
Примечания : Bibliogr. : p. 179 (7 ref.). - 13.08.2014
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): cyclohexanecarboxylate--zinc--aldehydes
\\\\expert2\\nbo\\Mendeleev Communications\\2014, v.24, p. 178-179.pdf
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14.

Вид документа :
Шифр издания : 54/R 30
Автор(ы) : Kirillov N. F., Gavrilov A. G., Vasyanin A. N., Shurov S. N., Vakhrin M.I., Slepukhin P. A.
Заглавие : Reaction of methyl 1-bromocycloalkanecarboxylates with zinc and 2,6-bis(arylmethylene)cyclohexanones
Место публикации : Russian Journal of General Chemistry. - 2012. - Vol.82, №2. - С. 289-293
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): bromocycloalkanecarboxylates--zinc--cyclohexanones
Аннотация: Methyl 1-bromocyclopentane-, 1-bromocyclohexane-, and 1-bromocycloheptanecarboxylates react with zinc and 2,6-bis(arylmethylene)cyclohexanones to afford 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cyclopentan]-2(4H)-ones, 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cyclohexan]-2(4H)-ones, and 4-aryl-8-(arylmethylene)-5,6,7,8-tetrahydrospiro[chromene-3,1′-cycloheptan]-2(4H)-ones, resp
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N 2, p. 289-293.pdf
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15.

Вид документа :
Шифр издания : 54/R 30
Автор(ы) : Kirillov N. F., Nikiforova E. A., Slepukhin P. A., Vakhrin M.I.
Заглавие : Reaction of methyl 1-bromocycloalkanecarboxylates with zinc and ethyl 5-aryl-3-oxo-2,2-diethylpent-4-enoa
Место публикации : Russian Journal of General Chemistry. - 2012. - Vol.82, №5. - С. 891-894
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): bromocycloalkanecarboxylates--zinc--ethyl
Аннотация: Methyl 1-bromoalkanecarboxylates react with zinc and ethyl 5-aryl-3-oxo-2,2-diethylpent-4-enoates to form ethyl 2-(10-aryl-6-oxo-7-oxaspiro[4.5]dec-8-en-8-yl)-2-ethylbutanoates and ethyl 2-(5-aryl-1-oxo-2-oxaspiro[5.5]undec-3-en-3-yl)-2-ethylbutanoates.
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N 5, p. 891–894.pdf
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16.

Вид документа :
Шифр издания : 54/R 30
Автор(ы) : Kirillov N. F., Nikiforova M.E., Shurov S. N., Slepukhin P. A., Vakhrin M.I.
Заглавие : Reaction of methyl 1-bromocyclohexanecarboxylate with zinc and 3-aryl-2-cyanopropenoic acids amides
Место публикации : Russian Journal of General Chemistry. - 2012. - Vol.82, №7. - С. 1228-1232
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): bromocyclohexanecarboxylate--zinc--cyanopropenoic acids
Аннотация: Methyl 1-bromocyclohexanecarboxylate reacts with zinc and amides or methylamides of 3-aryl-2-cyanopropenoic acids to give 5-aryl-1,3-dioxo-2-azaspiro[5.5]undecane-4-carbonitriles or 5-aryl-2-methyl-1,3-dioxo-2-azaspiro[5.5]undecane-4-carbonitriles
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2012, V. 82, N 7, p. 1228–1232.pdf
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17.

Вид документа :
Шифр издания : 54/R 30
Автор(ы) : Kirillov N. F., Slepukhin P. A., Gorbunov A. A., Gavrilov A. G., Vahrin M.I.
Заглавие : Reaction of methyl 1-bromocyclopentanecarboxylate with zinc and 1-aryl-5-phenylpenta-1,4-dien-3-ones
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2012. - Vol.48, №8. - С. 1090-1093
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): bromocyclopentanecarboxylate--zinc
Аннотация: Methyl 1-bromocyclopentanecarboxylate reacted with zinc and 1-aryl-5-phenylpenta-1,4-dien-3-ones with the formation of isomeric 10-aryl-8-(2-arylethenyl)-7-oxaspiro[4.5]dec-8-en-6-o
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2012, 48 (8), 1090-1093.pdf
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18.

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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19.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Stepanyan Yu.G., Silaichev P. S., Kodess M. I.
Заглавие : Reaction of organozinc reagents formed in reaction of dibromomalonic acid dialkyl esters and zinc, with 2-arylmethylenemalonic acid dinitriles and 3-aryl-2-cyanopropenoic acid methyl esters [Electronic resource]
Место публикации : Russian Journal of General Chemistry. - 2006. - Vol. 76, № 12. - С. 1919-1921
Систем. требования: http://www.springerlink.com/content/n442273h646k774w/fulltext.pdf
Примечания : 17.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Organozinc compounds, obtained from dibromomalonic acid dialkyl esters and zinc, react with 2-arylmethylmalonic acid dinitriles and 3-aryl-2-cyanopropenoic acid methyl esters forming 3-aryl-2,2-dicyanocyclopropane-1,1-dicarboxylic acid dialkyl esters and 3-aryl-2-cyanocyclopropane-1,1,2-tricarboxylic acid trimethyl esters
\\\\Expert2\\nbo\\Russian Journal of General Chemistry\\2006, V. 76, N 12, p.1919.pdf
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20.

Вид документа : Статья из журнала
Шифр издания : 54/R 30
Автор(ы) : Shchepin V. V., Silaichev P. S., Stepanyan Yu.G., Russkikh N.Yu., Vakhrin M.I., Ezhikova M. A., Kodess M. I.
Заглавие : Reaction of organozinc reagents prepared from bromomalonic acid esters and zinc with 3-aryl-2-cyanopropenoic acid primary amides [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 11. - С. 1625-1629
Систем. требования: http://www.springerlink.com/content/306077881327325g/fulltext.pdf
Примечания : 1.11.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Organozinc compounds prepared from bromomalonic acid esters and zinc react with 3-aryl-2-cyanopropenoic acid primary amides giving a single diastereomer of the corresponding 1-R?-4-aryl-2,6-dioxo-5-cyanopiperidine-3-carboxylic acid esters, or 3-R?-6-aryl-2,4-dioxo-5-cyano-3-azabicyclo[3.1.0]hexene-1-carboxylic acid esters
\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (11), 1625.pdf
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