T. Klimova

Universidad Nacional Autónoma de México

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Elena I. Klimova

Universidad Nacional Autónoma de México

178

Marcos Martínez‐García

Universidad Nacional Autónoma de México

113

M.M. Garcia

Rubén A. Toscano

Centre National de la Recherche Scientifique

Lena Ruiz‐Azuara

Universidad Nacional Autónoma de México

Simón Hernández‐Ortega

Universidad Nacional Autónoma de México

Marcos Flores‐Álamo

Universidad Nacional Autónoma de México

CÃ

Cecilio Ãlvarez-Toledano

Universidad Nacional Autónoma de México

José M. Méndez Stivalet

Universidad Nacional Autónoma de México

Leon V. Backinowsky

Russian Academy of Sciences

Cooperative Institutions

Universidad Nacional Autónoma de México

190

Mexican Institute of Petroleum

Universidad Autónoma Metropolitana

Instituto Politécnico Nacional

Universidad Autónoma del Estado de México

Centre National de la Recherche Scientifique

Universidad Autónoma de la Ciudad de México

Instituto de Catálisis y Petroleoquímica

Lomonosov Moscow State University

Russian Academy of Sciences

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Intramolecular Transformations of 3-Cyanoamino- and 3-Cyanoimino-1,2-diferrocenylcyclopropenes

Molecules (2009)

Elena I. Klimova T. Klimova Marcos Flores‐Álamo Leon V. Backinowsky Marcos Martínez‐García

3-Cyanoamino-1,2- and -2,3-diferrocenylcyclopropenes 6a,b and 11a,b prepared by the reaction of diferrocenylcyclopropenylium salts with sodium cyanamide undergo smooth intramolecular transformations with both conservation of the three-membered ring [affording 3-cyanoimino-1,2-diferrocenylcyclopropene (8)] and its opening [affording Z-3-morpholino- and Z-3-piperidino-3-(cyanoimino)-1,2-diferrocenylprop-1-enes 7a,b and Z-3-cyanoimino-2,3-diferrocenyl-1-methylthioprop-1-ene (10)]. 3-Cyano-imino-1,2-diferrocenylcyclopropene (8) reacts with hydrazine to form 3-amino-6-ferrocenyl-5-ferrocenylmethyl-1,2,4-triazine (12) and Z-2,3-diferrocenylacrylohydrazide N-cyanoimide (13) as a result of intramolecular transformations. The structures of the compounds obtained were determined by IR, 1H- and 13C-NMR spectroscopy and mass spectrometry. The structures of compounds 7a and 10 were additionally confirmed by their X-ray diffraction analysis data.

Cyanamide

Hydrazine (antidepressant)

Triazine

10.3390/molecules14093161

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Citations (7)

SBA-15 modified with Al, Ti, or Zr as supports for highly active NiW catalysts for HDS

Journal of Materials Science (2009)

Lilia Lizama T. Klimova

Dibenzothiophene

Physisorption

Sulfidation

10.1007/s10853-009-3613-6

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Citations (51)

ChemInform Abstract: 1,3‐Insertion of Amidines into Ethyl (E)‐2‐Acyl‐3‐ferrocenylacrylates.

ChemInform (2012)

Elena I. Klimova Victor H. Sotelo Domínguez Jessica J. Sánchez García T. Klimova Leon V. Backinowsky

Garcia

10.1002/chin.201217195

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Citations (0)

Synthesis of ferrocenylpyrazole derivatives

Journal of Heterocyclic Chemistry (2005)

Elena I. Klimova E.A.V. Lopez T. Klimova Cecilio Ãlvarez-Toledano Rubén A. Toscano

Reactions of arene- and pyridinecarbaldehydes with ferrocenyl-4,5-dihydropyrazoles afforded 1-arylmethyl- and 1-pyridylmethyl-3,5-aryl(ferrocenyl)pyrazoles. Their structures were established based on spectroscopic methods and, for 4-[(3,5-diferrocenylpyrazol-1-yl)methyl]pyridine, based on X-ray diffraction analysis.

10.1002/jhet.5570420214

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Citations (19)

Functional Group Migration in Reactions of 1,2‐Diferrocenyl‐3‐(methylthio)cyclopropenylium Iodide with CH Acids

European Journal of Organic Chemistry (2006)

Elena I. Klimova Marcos Martínez‐García T. Klimova Cecilio Ãlvarez-Toledano Rubén A. Toscano

Abstract 1,2‐Diferrocenyl‐3‐(methylthio)cyclopropenylium iodide reacts with malonic acid derivatives (diethyl malonate and malononitrile as the active methylene compounds) to give mainly the corresponding 3,4‐diferrocenyl‐2‐(methylthio)hexa‐2,4‐dienedioic acid and 2,3‐diferrocenyl‐4‐(methylthio)buta‐1,3‐diene‐1,1‐dicarboxylic acid derivatives as well as ethyl 2,3‐diferrocenyl‐4‐(methylthio)‐5‐oxocyclo‐1,3‐pentadiene‐1‐carboxylate or 2‐cyano‐3,4‐diferrocenyl‐5‐(methylthio)‐2,4‐cyclopentadien‐1‐imine. X‐ray diffraction data for diethyl (2 Z ,4 E )‐3,4‐diferrocenyl‐2‐(methylthio)hexa‐2,4‐dienedioate and 2,3‐diferrocenyl‐4‐(methylthio)buta‐1,3‐diene‐1,1‐dicarbonitrile are presented. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)

Diethyl malonate

Malonic acid

Malonate

10.1002/ejoc.200600413

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Citations (12)

New NiMo catalysts supported on ZrO2-modified SBA-15 materials for 4,6-dimethyldibenzothiophene hydrodesulfurization

Studies in surface science and catalysis (2006)

Oliver Y. Gutiérrez Karla A. Romero Gustavo A. Fuentes T. Klimova

Monoclinic crystal system

Tetragonal crystal system

Incipient wetness impregnation

Dibenzothiophene

10.1016/s0167-2991(06)80927-4

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Citations (10)

Vigotski desconhecido: a experiência de tradução literária do hebraico antigo

Teoria e Prática da Educação (2019)

В.С. Собкин T. Klimova

No presente artigo, publicamos, pela primeira vez, uma tradução, até agora desconhecida, feita no início do século XX por L. S. Vigotski. Trata-se da tradução de um conto popular, escrito originalmente em hebraico antigo e de autoria do escritor judeu M. I. Berditchevski. Nos comentários que apresentamos, é reconstruído o contexto em que vivia L. S. Vigotski, no período pré-revolucionário. Atenção especial é dada à questão que estava diante dele sobre a autodeterminação nacional e cultural. São analisados os contextos culturais necessários para a compreensão e interpretação das peculiaridades artísticas e da visão de mundo contida no texto do conto. Faz-se uma comparação que mostra a ligação dos temas presentes no conto com problemas fundamentais dos quais se ocupará Vigotski, pouco tempo depois, como psicólogo profissional: a vivência artística, a escolha moral, a mediação cultural.Palavras-chave: Psicologia da Arte. Psicologia das Emoções. Vivência Estética.

10.4025/tpe.v22i1.47425

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Citations (0)

CCDC 729319: Experimental Crystal Structure Determination

The Cambridge Structural Database (2010)

Elena I. Klimova T. Klimova Marcos Flores‐Álamo Leon V. Backinowsky Marcos Martínez‐García

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccsgxfk

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Citations (0)

CCDC 927702: Experimental Crystal Structure Determination

The Cambridge Structural Database (2019)

Elena I. Klimova Marcos Flores‐Álamo T. Klimova Sandra Cortez-Maya I. P. Beletskaya

10.5517/ccdc.csd.cc104bwc

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Citations (0)

CCDC 232399: Experimental Crystal Structure Determination

The Cambridge Structural Database (2005)

Isabel Méndez T. Klimova Elena I. Klimova O.S. Hernandez F.J. Pérez

Crystal (programming language)

10.5517/cc7strk

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Citations (0)