摘要:
Supported bis(phosphorus) ligands are disclosed for use in hydroformylation reactions, including the hydroformylation of olefins. Catalysts are formed when the ligands are complexed with a catalytically active metal (e.g., rhodium or iridium).
摘要:
A process directed to the preparation of 2-substituted and 2,2-disubstituted acetals of malondialdehyde from ortho formates and substituted vinyl ethers in the presence of an acidic catalyst.
摘要:
Hydrofluoroethers of formula:TnullCFXnullnullOnullRfnullCFXnullTnullnullnull(II)wherein: TnullCH3; X, Xnull, equal to or different from each other, are selected between F, CF3; T00nullnullF, Cl, H, C1-C3 perfluoroalkyl, CH3, CH2OH, COCl, CHO, CO2H; Rf is a perfluoroalkylene or a perfluoropolyoxyalkylene and respective preparation process by reduction with hydrogen in the presence of a platinum catalyst supported on metal fluorides of the corresponding compounds with at least one nullCOCl end group.