Navegação Ciências Exatas e da Terra por Autor "Livotto, Paolo Roberto"
Resultados 1-6 de 6
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3-arylisoxazolyl-5-carboxylic acid and 5-(hydroxymethyl)-3-aryl-2-isoxazoline as molecular platforms for liquid-crystalline materials
Tavares, Aline; Livotto, Paolo Roberto; Goncalves, Paulo Fernando Bruno; Merlo, Aloir Antonio (2009) [Artigo de periódico]A síntese de uma plataforma molecular para materiais líquido-cristalinos derivados do ácido 3-arilisoxazolil-5-carboxílico (1) e do 5-(hidroximetil)-3-aril-2-isoxazolina (2) é descrita. Os intermediários 1 e 2 são obtidos ... -
Experimental and theoretical study on the reactivity of the R-CN/H2O2 system in the epoxidation of unfunctionalized olefins
Holleben, Maria Luiza Ambros von; Livotto, Paolo Roberto; Schuch, Cristina Maria (2001) [Artigo de periódico]A reatividade da acetonitrila, tricloroacetonitrila, benzonitrila, m-clorobenzonitrila, 3- cianopiridina, 1-naftonitrila e 9-antracenonitrila na geração in situ do respectivo ácido peroxicarboximídico foi estudada por ... -
Flavone complexes of Ti and Zr active in ethylene polymerization
Gheno, Grasiela; Basso, Nara Regina de Souza; Ceschi, Marco Antonio; Livotto, Paolo Roberto; Nascimento, Alanjone Azevedo; Rocha, Zênis Novais da; Galland, Griselda Ligia Barrera (2013) [Artigo de periódico]Two new complexes of Ti and Zr were synthesized with 3-hydroxyflavone bidentate ligand and investi-gated in homogeneous ethylene polymerization. Both complexes were characterized by UV–VIS,1H and13C NMR, and electrochemical ... -
New isopropylmaltol - Ti synthesis and its use as a catalyst for olefin polymerization
Gheno, Grasiela; Basso, Nara Regina de Souza; Ceschi, Marco Antonio; Costa, Jessie Sobieski da; Livotto, Paolo Roberto; Galland, Griselda Ligia Barrera (2014) [Artigo de periódico]Este artigo mostra a síntese e caracterização do ligante isopropilmaltol obtido a partir do furfural e também um novo complexo diclorobis-(3-hidroxi-2-isopropil-4-pirona)titânio(IV) com estrutura cis. Dados de ressonância ... -
Synthesis, characterization and ethylene oligomerization studies of chromium complexes bearing imino-furfural ligands
Ulbrich, Ana Helena Dias Pereira dos Santos; Milani, Jorge Luiz Sônego; Livotto, Paolo Roberto; Carpentier, Jean-François; Casagrande Júnior, Osvaldo de Lázaro (2014) [Artigo de periódico]A series of chromium(III) complexes bearing imino-furfural ligands (Cr1-Cr4) were synthesized and characterized by high-resolution mass spectrometry (HRMS). All chromium precatalysts, activated with methylaluminoxane (MAO), ... -
Synthesis of new family of thiazoline and thiazole esters and investigation of their thermal properties
Schneider, Juliana Maria Forain Miolo; Sales, Eric Souza; Livotto, Paolo Roberto; Schneider, Paulo Henrique; Merlo, Aloir Antonio (2014) [Artigo de periódico]A new family of thiazoline and thiazole esters has been synthesized and their thermal properties are presented and discussed. Thiazoline esters were obtained by cyclization reaction from 4-substituted benzenenitrile and ...