Results 41 to 50 of about 2,581 (118)

Preparação de sais de isotiourônio as partir de brometos alílicos e tioureias: avaliação da atividade antitumoral e aplicações na síntese de 2-iminotiazolidinas e derivados [PDF]

, 2015
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.Este trabalho apresenta o desenvolvimento de métodos simples e eficientes para a síntese de ...
Ferreira, Misael
core  

Aplicação da relação entre estrutura e retenção cromatográfica (QSRR) empregando diferentes descritores para cumarinas, acetofenonas e triterpenos: estudo de um novo índice para alcanos e alcenos / [PDF]

, 2000
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matematicas.Aplicação da relação entre estrutura e retenção cromatográfica (QSRR), empregando diferentes descritores moleculares para grupos de compostos que têm ...
Soares, Míriam de Freitas
core  

I. Studies on the Metal-Catalyzed Cycloadditions of Isocyanates and Unsaturated Systems and II. Chromium-Catalyzed Synthesis of 1,3-Butadienes via (Silylmethyl)allenes [PDF]

, 2011
Metal-catalyzed cycloadditions of alkynes with isocyanates or nitriles are valuable tools for the synthesis of complex carbocycles and heterocycles. Although this transformation has been studied for over three decades, the cyclizations of disocyanates ...
Duran Galvan, Maria
core  

Allenylidene/Alkenylcarbyne Synthesis and Reactivity in Ruthenium Complexes with Monodentate Phosphine Ligands

, 2016
An alternative reactivity mode of electron-rich allenylidene complexes via alkenylcarbyne species is reported for the first time in ruthenium complexes bearing monodentate phosphine ligands (triethylphosphine).
Jose Angel Pino-Chamorro (2388058), Pedro Valerga (1390185), M. Carmen Puerta (1390183), Emilio Bustelo (2178136)   +3 more
core   +1 more source

Mechanism of Alcohol Oxidation Mediated by Copper(II) and Nitroxyl Radicals

, 2016
2,2′-Bipyridine-ligated copper complexes, in combination with TEMPO (2,2,6,6-tetramethylpiperidine-N-oxyl), are highly effective catalysts for aerobic alcohol oxidation.
Bradford L. Ryland (1759060), Shannon S. Stahl (1291731), Thomas C. Brunold (1327833), Scott D. McCann (1759057)   +3 more
core   +1 more source

삼 알킬 수소화 알루미늄산 리튬의 선택 환원반응 ;

, 1985
학위논문(박사) - 한국과학기술원 : 화학과, 1985.2, [ ix, 177 p. ]Lithium diisobutyl-n-butylaluminum hydride, the "ate" complex generated from diisobutylaluminum hydride and n-butyllithium in an equimolar ratio, was reacted with a series of selected organic compounds ...
Ahn, Kyo-Han, 안교한
core  

Rates of Oxidation of Some Bicyclic Alcohols with Silver Carbonate on Celite

, 1971
It is well known that silver carbonate is a powerful agent for the oxidation of both primary and secondary alcohols1'2 Recently Fetizon introduced a convenient modification of this procedure by using silver carbonate precipitated on celite3-
Tušek, Lj., Sunko, D. E., Lj. Tušek, M. Eckert-Maksić, D. E. Sunko, Eckert-Maksić, M.   +5 more
core  

Asymmetric nucleophilic catalysis with planar-chiral DMAP derivatives and chiral phosphines : synthetic and mechanistic studies

, 2014
Thesis: Ph. D. in Organic Chemistry, Massachusetts Institute of Technology, Department of Chemistry, 2014.Cataloged from PDF version of thesis. Vita.Includes bibliographical references.Chapter 1 describes the development and detailed mechanistic ...
Lee, Sarah Yunmi
core  

Bidirectional skeletal remodelling of SF₅-nitrobenzenes into azepine, bicyclic, and benzimidazole frameworks. [PDF]

Chem Sci
Bacho MZ, Wu S, Muramatsu T, Nagababu C, Harano D, Ochiai S, Shibata N.   +6 more
europepmc   +1 more source

Study of fatty acids and terpenes effect on tolnaftate penetration into human skin from dermatological systems in vitro

, 2011
Chemical penetration enhancers, namely fatty acids and terpenes, incorporated into model drug containing polyethylene glycol 400 solution, ointment and o/w cream, were investigated.
Sadauskienė, Toma
core