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Avaliação da atividade catalítica de nanopartículas de Pd imobilizadas sobre diferentes suportes de carbono na síntese da 3-Hexil-1H-Isocromen-1-Ona
(Universidade Federal da Grande DouradosBrasilFaculdade de Ciências Exatas e TecnologiaPrograma de pós-graduação em QuímicaUFGD, 2019)
Heck, Sonogashira, and Hiyama Reactions Catalyzed by Palladium Nanoparticles Stabilized by Tris-Imidazolium Salt
(Wiley VCH Verlag, 2014-04)
Palladium nanoparticles, prepared by the hydrogenation of Pd(dba)2 in the presence of a tris-imidazolium iodide as stabilizer, act as an efficient catalyst for Heck and copper-free Sonogashira reactions with a range of ...
Synthesis of (Z)-tributylstannyl enynes: systematic studies of Sonogashira cross-coupling reactions between (E)-1-iodovinyl-1-tributylstannanes and terminal acetylenes using amines or tetrabutylammonium hydroxide (TBAOH) as activator
(PERGAMON-ELSEVIER SCIENCE LTD, 2011)
Sonogashira cross-coupling reactions involving (E)-iodo vinyl stannanes and terminal acetylenes were carried out in the presence of Pd(PPh(3))(4), Cul and several amines, affording (Z)-tributylstannyl enynes in moderate ...
Síntese de 4-(1-fenil-5-trifluormetil-1h-pirazol-4-il)-1h-1,2,3-triazóis promovida por dialquil biaril fosfinas e catálise metálica
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2017-08-11)
The present dissertation describes the development of a three-step, one-pot methodology, involving the sequential reactions of Sonogashira cross-coupling, deprotection of terminal alkyne (removal of trimethylsilane group), ...
Avaliação da atividade catalítica de nanopartículas de Pt e Pt/Sn imobilizadas sobre suporte de carbono na síntese da 3-hexil-1H-isocromen-1-ona
(Universidade Federal da Grande DouradosBrasilFaculdade de Ciências Exatas e TecnologiaPrograma de pós-graduação em QuímicaUFGD, 2019)
Complejos de cobre(I) con potencial aplicación para las reacciones de acoplamiento cruzado de tipo Sonogashira
(Universidad de los AndesQuímicaFacultad de CienciasDepartamento de Química, 2020)
En el presente trabajo se describe la aplicación de complejos de cobre(I) para la reacción de acoplamiento cruzado de tipo Sonogashira empleado como sustratos haluros de bencilo, vinilo y alquilo y un alquino terminal. En ...
Palladium- and copper-catalyzed highly selective mono-coupling between 2,6-diiodoanisoles and terminal alkynes in the production of alkynylated anisoles as potential precursors of benzo[b]furans
(Sociedade Brasileira de Química, 2014-11-01)
The coupling reaction between 2,6-diiodoanisoles and terminal alkynes using Pd(PPh3)2Cl2 and CuI as catalysts and diisopropylamine as base in toluene at room temperature for 12 h produced selectively alkynylated 2-iodoanisoles, ...
Síntese de 2-alquinil telurofenos via reação de sonogashira entre 2-halotelurofeno e 1-alcinos
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2006-05-29)
We present herein our results of the palladium-catalyzed cross-coupling of 2-halotellurophenes with several terminal alkynes to give acetylenic tellurophene
derivatives in excellent yields. Our initial efforts were devoted ...