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Polymer-Supported Palladium (II) Complex of Pyridine-Oxazoline as a Recyclable Catalyst for an Asymmetric Addition of Arylboronic Acids to Conjugated Cyclic Enones
Year: 2022
Type of publication: ostatní - přednáška nebo poster
Page from-to: nestránkováno
Titles:
Language Name Abstract Keywords
eng Polymer-Supported Palladium (II) Complex of Pyridine-Oxazoline as a Recyclable Catalyst for an Asymmetric Addition of Arylboronic Acids to Conjugated Cyclic Enones Swellable pearl-like copolymers of (S)-4-(tert-butyl)-2-(4-(4-vinylphenyl)pyridin-2-yl)-4,5-dihydrooxazole with styrene and various cross-linkers were designed and prepared. Catalytic activity of palladium (II) complexes of the prepared copolymers was tested on addition of various arylboronic acid to 3-methyl-2-cyclohexenone. It was possible to use the catalyst at least 6 times and their catalytic activity was comparable with homogenous conditions. Such system was the very first recyclable catalytic system for palladium-catalysed asymmetric addition of arylboronic acids to conjugated cyclic enones. Palladium(II) complexes; asymmetric addition; arylboronic acids; cyclic enones; polymer

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