Zobrazeno 1 - 10 of 11 pro vyhledávání: '"R. V. Shchepin"'
1
Cyclopropanation of N-Substituted 2-Oxochromene- and 6-Bromo-2-oxochromene-3-carboxamides with Zinc Enolates Derived from 1-Aryl-2,2-dibromoalkanones
Autor: M. A. Ezhikova, R. V. Shchepin, V. V. Shchepin, M. I. Kodess, P. S. Silaichev
Publikováno v: Russian Journal of Organic Chemistry. 41:527-534
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 substi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3816259243434d0b48c53dc3b46be416
https://doi.org/10.1007/s11178-005-0199-6
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2
[Untitled]
Autor: M. M. Kalyuzhnyi, V. V. Shchepin, Scott B. Lewis, R. V. Shchepin, A. A. Tryastsin
Publikováno v: Russian Journal of Organic Chemistry. 37:1596-1599
1-Aryl-2,2-dibromobutan-1-ones react with zinc and dialkyl arylmethylene- or isobutylidenemalonates to give dialkyl 2-aroyl-3-phenyl(isopropyl)-2-ethylcyclopropane-1,1-dicarboxylates which are formed mainly as Z isomers.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e67d8fcc740bdd80cda297e495abe85b
https://doi.org/10.1023/a:1013864305166
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3
ChemInform Abstract: Synthesis and Crystal Structure of Dimethyl 2-Benzoyl-2-ethyl-3-phenylcyclopropane-1,1-dicarboxylate
Autor: S. B. Lewis, V. V. Shchepin, R. V. Shchepin, Z. G. Aliev, L. O. Atovmyan
Publikováno v: ChemInform. 32
The reaction of alfa,alfa-dibromobutyrophenone with dimethyl benzylidenemalonate in the presence of zinc gives dimethyl 2-benzoyl-2-ethyl-3-phenylcyclopropane-1,1-dicarboxylate as a single geometrical isomer. Its structure was determined by X-ray dif
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3ec0a4e9c5eb51640235860fcbc1d77e
https://doi.org/10.1002/chin.200126085
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4
ChemInform Abstract: Synthesis of 3-Substituted Dialkyl 2-Aroyl-2-ethylcyclopropane-1,1-dicarboxylates by the Reformatsky Reaction
Autor: Scott B. Lewis, A. A. Tryastsin, V. V. Shchepin, M. M. Kalyuzhnyi, R. V. Shchepin
Publikováno v: ChemInform. 33
1-Aryl-2,2-dibromobutan-1-ones react with zinc and dialkyl arylmethylene- or isobutylidenemalonates to give dialkyl 2-aroyl-3-phenyl(isopropyl)-2-ethylcyclopropane-1,1-dicarboxylates which are formed mainly as Z isomers.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1b7fa1e8daba680fde1fb8a34c75f5c3
https://doi.org/10.1002/chin.200227093
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6
Reactions of Zinc Enolates Derived from 1-Aryl-2,2-di-bromoalkanones with 2-Acyl-3H-benzo[f]chromen-3-ones, 6-Bromo-2-oxochromene-3-carboxamides, and 3-Oxo-3H-benzo[f]chromene-2-carboxamides
Autor: R. V. Shchepin, P. S. Silaichev, V. V. Shchepin, M. I. Kodess, M. M. Kalyuzhnyi, M. A. Ezhikova, N. Yu. Russkikh
Publikováno v: ChemInform. 36
Zinc enolates derived from substituted 1-aryl-2,2-dibromoalkanones reacted with 2-acyl-3H-benzo-[f]chromen-3-ones to give 1-alkyl-1-aroyl-1a-acyl-1a, 9c-dihydro-1H-3-oxacyclopropa[c]phenanthren-2-ones which were formed as a single stereoisomer. React
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7578eaf2b36f9290aa877451a3d6b39f
https://doi.org/10.1002/chin.200516122
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7
Reactions of Zinc Enolates of Substituted 1-Aryl-2,2-dibromobutanones with Alkyl Esters of 3-Oxo-3H-benzo[f]chromene-2-carboxylic Acid
Autor: N. Yu. Russkikh, R. V. Shchepin, V. V. Shchepin, M. M. Kalyuzhnyi, M. I. Vakhrin
Publikováno v: Russian Journal of General Chemistry. 74:937-938
Zinc enolates derived from substituted 1-aryl-2,2-dibromobutanones react with alkyl 3-oxo-3H-benzo[f]chromene-2-carboxylates to form alkyl 1-aroyl-1-ethyl-2-oxo-1,9c-dihydro-3-oxacyclopropa[c]phenanthrene-1a-carboxylate as a single geometric isomer.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc681934b9461af258c9cc81da215a5e
https://doi.org/10.1023/b:rugc.0000042431.01715.29
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8
Reactions of Zinc Enolates Derived from 1-Aryl-2,2-dibromoalkanones with 3-Acetyl-6-bromochromen-2-one
Autor: M. I. Vakhrin, M. M. Kalyuzhnyi, N. Yu. Russkikh, V. V. Shchepin, R. V. Shchepin
Publikováno v: Russian Journal of Organic Chemistry. 39:1316-1317
Zinc enolates derived from substituted 1-aryl-2,2-dibromoalkanones react with 3-acetyl-6-bromochromen-2-one to give 1a-acetyl-1-alkyl-1-aroyl-6-bromo-1a,7b-dihydro-1H-cyclopropa[c]chromen-2-ones as a single stereoisomer.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41bd05c601a22c1bd84b3a55488c6f44
https://doi.org/10.1023/b:rujo.0000010220.65145.00
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9
[Untitled]
Autor: V. V. Shchepin, M. M. Kalyuzhnyi, R. V. Shchepin, M. I. Vakhrin
Publikováno v: Russian Journal of General Chemistry. 73:758-759
Zinc enolates derived from substituted 2,2-dibromobutyrophenones react with ethyl 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylate to give ethyl 6-aroyl-6-ethyl-4,4-dimethyl-2-oxo-3-oxabicyclo[3.1.0]-hexane-1-carboxylates mostly as a single geometri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31a9443afc3f01f021241e4d6aa37138
https://doi.org/10.1023/a:1026139004280
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