Buscar
Mostrando ítems 31-40 de 2180
Síntese de um novo organocatalisador derivado da d-galactose e aplicação em reação do tipo Michael
(Universidade Federal de Juiz de ForaBrasilICE – Instituto de Ciências ExatasPrograma de Pós-graduação em QuímicaUFJF, 2016)
Lipase-catalyzed synthesis and characterization of a novel linear polyamidoamine oligomer
(Elsevier, 2010-03)
A linear polyamidoamine oligomer was obtained by polymerization of ethyl acrylate and N-methyl-1,3-diaminopropane, catalyzed by the Candida antarctica lipase. Depending on the reaction conditions such as substrates ...
Síntesis de furilquinonas por adición de michael de potencial actividad antileishmania entre n-n-dimetilhidrazona del furfural con 1,4-quinonas
(Universidad Nacional de Trujillo, 2017)
Estudo sobre o uso do pentacloreto de nióbio, como ácido de Lewis, na síntese de enaminas através da reação de adição de Michael
(Universidade Estadual Paulista (Unesp), 2013)
The NbCl5 being a strong electrophile, is a potential candidate to act as a Lewis acid, and therefore it mediates various organic reactions. For this reason, it has received continuous attention by Brazilian researchers, ...
Michael Addition Of Soft Carbon Nucleophiles To Alkylidene Isoxazol-5-ones: A Divergent Entry To Beta-branched Carbonyl Compounds
(AMER CHEMICAL SOCWASHINGTON, 2015)
Adição de Michael de α,α-Diciano-Olefinas a Chalconas via organocatálise assimétrica empregando solvente derivado de biomassa
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Química - PPGQCâmpus São Carlos, 2018-05-18)
In recent years, organocatalysed reactions have become an important field in asymmetric synthesis. Particularly, Michael addition reactions using various donors and acceptors have been explored to generate substrates that ...
Small-Digit Addition
(2016)
Small-Digit Addition
(2011)
TANDEM N-ACYLIMINIUM-MICHAEL ADDITION-REACTION - AN EFFICIENT TOTAL SYNTHESIS OF THE QUINOLIZIDINE ALKALOIDS (+/-)-MYRTINE AND (+/-)-LASUBINE-II
(Pergamon-elsevier Science LtdOxfordInglaterra, 1993)
Tetraethyl Vinylidenebisphosphonate: A Versatile Synthon for the Preparation of Bisphosphonates
(Georg Thieme Verlag Kg, 2014-04)
Tetraethyl vinylidenebisphosphonate is a versatile synthetic intermediate that allows access to a variety of highly functionalized compounds bearing the bisphosphonic moiety. As an electron-deficient alkene, this compound ...