Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 246047-72-3, C46H65Cl2N2PRu. A document type is Article, introducing its new discovery., SDS of cas: 246047-72-3
The first highly enantioselective catalytic vinylation of aldimines to furnish allylic amines is reported. Exposure of aromatic and aliphatic N-arylsulfonyl aldimines 1a-12a to equal volumes of acetylene and hydrogen gas at 45 C and ambient pressure in the presence of chirally modified cationic rhodium catalysts provides the (Z)-dienyl allylic amines 1b-12b in highly optically enriched form (93-98% ee) and as single geometrical isomers (>95:5, Z/E). The coupling products 1b-12b arise via multicomponent coupling of four molecules: two molecules of acetylene, a molecule of aldimine, and elemental hydrogen. Unlike other imine additions involving nonstabilized carbanions, the present protocol circumvents use of preformed organometallic reagents. Copyright
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI