Polyoxometalate catalyzed imine synthesis: Investigation of mechanistic pathways
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DOI: 10.1016/j.tet.2020.131245
Abstract: Abstract The syntheses of imines by oxidative coupling of primary alcohols and amines were achieved by using 2 mol% polyoxometalate (POM) Na12[WZn3(H2O)2(ZnW9O34)2] (Zn–WZn3) catalyst in the presence of t-BuOK and di-oxygen with excellent conversion (up to… read more here.
Keywords: polyoxometalate catalyzed; investigation mechanistic; synthesis investigation; imine synthesis ... See more keywords
Pd-catalyzed imine-directed intramolecular C N bond formation through C(sp3) H activation: An efficient approach to multisubstituted pyrroles
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DOI: 10.1016/j.tetlet.2020.151887
Abstract: Abstract An atom-economic approach to synthesize 1,2,4-trisubstituted pyrroles through palladium-catalyzed imine-directed intramolecular C(sp3) H amination reaction has been developed. The imine group acts as a directing group as well as an intramolecular nucleophile for the… read more here.
Keywords: sp3; imine directed; approach; directed intramolecular ... See more keywords
Mechanistic insight into B(C6F5)3 catalyzed imine reduction with PhSiH3 under stoichiometric water conditions
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DOI: 10.1039/d1ra02399c
Abstract: A DFT and experimental study on the mechanism of B(C6F5)3 catalyzed imine reduction is performed using PhSiH3 as reductant under stoichiometric water conditions. Ingleson’s path B is reconfirmed here. And four novel (C6F5)3B–OH2 induced pathways… read more here.
Keywords: c6f5 catalyzed; imine reduction; catalyzed imine; water ... See more keywords
Pd-catalyzed imine-directed one-pot access to polysubstituted pyrroles via tandem triple isocyanide insertion/aza-Nazarov cyclization reactions
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DOI: 10.1039/d3qo00598d
Abstract: Herein, we report a novel one-pot method for synthesizing polysubstituted pyrrole derivatives via three-component reactions of alkenyl bromides, amines, and isocyanides. The conversion process is catalyzed by a Pd catalyst... read more here.
Keywords: catalyzed imine; imine directed; one pot; directed one ... See more keywords