Výsledky vyhledávání - "Vladimir I. Nevodchikov"

Autor: Herbert Schumann, Vladimir I. Nevodchikov, Igor L. Fedushkin, Sebastian Dechert, Mikhail N. Bochkarev

Publikováno v: Russian Chemical Bulletin. 52:154-159

Reduction of 2,5-di-tert-butylcyclopentadienone with two equivalents of thulium diiodide in tetrahydrofuran afforded the binuclear thulium(iii) complex with the cyclopentadienyl oxide ligand, viz., TmI2(THF)2[η5-But2C5H2O]TmI2(THF)3 (1). Shielding o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::84cb568189f26fd57cb457c7b36e7028
https://doi.org/10.1023/a:1022408717918

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Autor: Yu. A. Kurskii, S. Müchle, Vladimir I. Nevodchikov, Mikhail N. Bochkarev, Igor L. Fedushkin, Herbert Schumann

Publikováno v: Russian Chemical Bulletin. 51:160-169

ansa-Metallocenes (η5:η5-C24H16)M(THF)2 (M = Sm (1), Yb (2), Ca (3)) and (η5:η5-C24H16)MI(THF) (M = Dy (8), Er (9), Tm (10), Lu (11)) were prepared in 50—90% yields by the in situ reactions of two equivalents of potassium acenaphthylenide K+C12

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::722569b4c1c91a2b916a8cd5d18e41e8
https://doi.org/10.1023/a:1015090520211

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Autor: Vladimir K. Cherkasov, Gleb A. Abakumov, O. N. Mamysheva, Yu. V. Chechet, Vladimir I. Nevodchikov, Sergey A. Chesnokov

Publikováno v: Russian Chemical Bulletin. 50:2366-2371

o-Benzoquinones initiate radical polymerization of methacrylates under visible light irradiation in the presence of tertiary amines. Spectral sensitivity of the initiating system coincides with absorption bands of o-benzoquinone attributed to the S(�

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https://doi.org/10.1023/a:1015079328446

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Synthesis and properties of homoleptic 2,2′-bipyridyl complexes of rare-earth elements. Crystal and molecular structures of the complexes Ln(N2C10H8)4 (Ln=Sm, Eu, Yb, or Lu) and the ionic complex [Lu(N2C10H8)4][Li(THF)4]

Autor: Tatyana V. Petrovskaya, Igor L. Fedushkin, Frank Girgsdies, Vladimir I. Nevodchikov, Mikhail N. Bochkarev, Herbert Schumann, Roman Weimann

Publikováno v: Russian Chemical Bulletin. 49:1869-1876

Homoleptic 2,2′-bipyridyl complexes of lanthanides (Ln), Ln(bpy)4, were prepared by the reactions of iodides LnI2(THF)2 (Ln=Sm, Eu, Tm, or Yb), LnI3(THF)3 (Ln=La, Ce, Pr, Nd, Gd, or Tb), or bis(trimethylsilyl)amides Ln[N(SiMe3)2]3 (Ln=Dy, Ho, Er, o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d386e2453ad78b8ed659929260c69a36
https://doi.org/10.1007/bf02494926

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The reaction of 3,6-di-tert-butyl-1,2-benzoquinone and 3,6-di-tert-butylcatechol withtert-butyl hydroperoxide

Autor: N. P. Makarenko, Vladimir I. Nevodchikov, Vladimir K. Cherkasov, N. A. Skorodumova, Ludmila G. Abakumova, Valentina N. Glushakova, Nikolay O. Druzhkov

Publikováno v: Russian Chemical Bulletin. 48:934-937

Reaction of 3,6-di-tert-butyl-1,2-benzoquinone and 3,6-di-tert-butylcatechol withtert-butyl hydroperoxide in aprotic solvents leads to the generation of semiquinone (SQ.H), alkylperoxy (ROO.), and alkyloxy radicals. The reaction of SQ.H and ROO. prod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5447e1387e25c963959b629571a43780
https://doi.org/10.1007/bf02494640

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Reactions of lithium phenylacetylenide and lithium 3,3-dimethylbut-1-ynide with 3,6-di-tert-butyl-1,2-benzoquinone. Molecular structure of 2,5-di-tert-butyl-8-(3,6-di-tert-butyl-1,2-benzoquinon-4-yl)-8-phenylocta-2,4,6,7-tetraen-1,6-olide

Autor: V. K. Cherkasov, Ludmila G. Abakumova, Gleb A. Abakumov, N. N. Vavilina, Lev N. Zakharov, Vladimir I. Nevodchikov, Yu. A. Kurskii

Publikováno v: Russian Chemical Bulletin. 48:350-355

Reactions of 3,6-di-tert-butyl-1,2-benzoquinone with PhC≡CLi and ButC≡CLi are multistage processes. In the first stage, nucleophilic 1,2-addition of the organometallic compound too-benzoquinone occurs to form the corresponding hydroxycyclohexadie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54cfd9df94d9dd1d3b2a3514093d9c2d
https://doi.org/10.1007/bf02494563

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C60-fullerenides of ytterbium and lutetium

Autor: Herbert Schumann, A. V. Protchenko, Mikhail N. Bochkarev, Igor L. Fedushkin, Vladimir I. Nevodchikov, Frank Girgsdies

Publikováno v: Inorganica Chimica Acta. 280:138-142

Cp#2Yb (Cp#=C5H4(CH2)2NMe2) has been obtained by reaction of YbI2(THF)2 with 2 equiv. of C5H4(CH2CH2NMe2)K in THF. The X-ray structure analysis shows a bent structure with intramolecular coordination of both nitrogen atoms to ytterbium. The reaction

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9813ff7de61a8e1762d95bf0d6748841
https://doi.org/10.1016/s0020-1693(98)00058-9

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New sterically hindered di-o-quinones of the biphenyl series

Autor: Nikolay O. Druzhkov, Vladimir I. Nevodchikov, Yu. A. Kurskii, Gleb A. Abakumov, Lev N. Zakharov, Vladimir K. Cherkasov, Ludmila G. Abakumova

Publikováno v: Russian Chemical Bulletin. 46:771-776

New di-o-quinones of the biphenyl series, namely, 2,2′-dialkyl-5,5′-di-tert-butylbiphenyl-3,4,3′,4′-diquinones, were synthesized. Their structures were established by IR and NMR spectroscopy. The molecular structure of 2,2′-dimethyl-5,5′-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b39ac18cb42eead7aa8f685a0f85bed9
https://doi.org/10.1007/bf02495211

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