PALLADIUM HYDROGENATION CATALYST AND METHOD TO MANUFACTURE THEREOF Russian patent published in 2008 - IPC B01J23/44 B01J31/24 B01J37/18 C07C5/02 

FIELD: CHEMISTRY.

SUBSTANCE: palladium hydrogenation catalyst is described. It contains reduced palladium compound and modifier, where palladium bis-acetylacetonate is used as starting palladium compound and white phosphorus (Р₄) is used as modifier, component ratio being as follows: palladium bis-acetylacetonate/phosphorus =1:0.1 to 1:1. Method to manufacture thereof is also described. The said method is based on reduction of the starting palladium compound with hydrogen in the presence of modifier. White phosphorus is used as modifier and is introduced prior to reduction of palladium (II) compound with hydrogen, palladium bis-acetylacetonate being used as starting compound, at optimum for catalyst system formation temperature of 80-90°С (353-363 К) and optimum for catalyst formation time of 25-30 minutes.

EFFECT: increase in catalyst activity, when catalytic process takes place under mild conditions.

2 cl, 5 tbl, 25 ex