Um grande número de reações de formação de ligações carbono-carbono (tais como: acoplamentos de Heck, Suzuki, Stille, Negishi e Sonogashira, entre outros) é facilitado pela catálise com compostos de paládio. Neste artigo de revisão, apresentamos uma visão detalhada e compreensiva da literatura sobre a versatilidade do uso de líquidos iônicos em conjunto com paládio em vários tipos de reações.A number of carbon-carbon bond forming reactions in organic chemistry (such as the Heck, Suzuki, Stille, Negishi, Sonogashira coupling etc) are facilitated by catalysis with palladium compounds. An attempt has been made to present a detailed and comprehensive literature collection about the versatility of ionic liquid in conjunction with palladium for various types of reactions.
in Wiley InterScience (www.interscience.wiley.com).1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) efficiently catalyzes three-component one-pot condensations of aldehyde, malononitrile, and thiophenol to produce highly functionalized pyridines in excellent yield in aqueous ethanol.
The trifluoromethyl group is found in a variety of pharmaceuticals, agrochemicals, and functional organic compounds due to its ability to improve properties like electronegativity, hydrophobicity, metabolic stability, binding selectivity, and bioavailability. As a result, the development of innovative techniques for the incorporation of trifluoromethyl group has long been a research focus. Various metals such as Cu, Mg, Ni, Ag, Fe, and V were found to act as lewis acid in the synthesis of different trifluoromethylated compounds. In this review, the recent development of metal-catalyzed trifluoromethylation of C-C, C-N, C-O multiple/single bonds using hypervalent iodine reagent is described.
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