河南十一选5

Shanghai Incat
 
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The noble metal heterogeneous catalysts are widely used in chemical, pharmaceutical, agrochemical, dyes, flavors and fragrances, crystal and other fine chemicals and other industries in the production process. Applicable reactions include: a variety of hydrogenation reactions, reductive alkylation, reductive amination, hydrogenation dehalogenation reaction, various deprotection reactions, dehydrogenation reactions and oxidation reactions.
Active metal Palladium (Pd), platinum (Pt), rhodium (Rh), ruthenium (Ru)
Carrier Activated carbon, alumina, calcium carbonate, barium sulfate
Metal content 0.1%-20%

Factor affecting the catalytic activity of palladium on carbon catalyst comprises a carrier selected activated carbon, the catalyst particle size distribution of metal-loaded, front active metal body, the metal oxidation state and a method for preparing a catalyst and the like.                              As shown below, catalyzed by palladium on carbon to a benzyl group protecting the hydroxyl elimination reaction, only select a different carrier and an active metal precursor reaction results obtained vary.
                 
Not all of the palladium on carbon catalyst has the same catalytic effect, for each specific reaction comparative Catalyst Screening is very important. Further optimization of the catalytic reaction should also include consideration of the entire reaction conditions - solvent, temperature, pressure and the like.

Alkyne hydrogenation to alkanes Alkane olefin hydrogenation Alkyne hydrogenation of olefins
Hydrogenation of aromatic compounds Hydrogenation of phenol to cyclohexa Pyridine hydrogenation piperidine
Hydrogenation of furan tetrahydrofur Pyrrole hydrogenation pyrrolidine Hydrogenation of fatty aliphatic ald
Aromatic aldehyde hydrogenation of a Hydrogenated to alcohols and ketones Hydrogenation of aromatic ketones al
Hydrogenation of ketones alkanes Hydrogenation of aromatic ketones al α-β unsaturated aldehyde hydrogenati
Aliphatic amine hydrogenation of nit Hydrogenation of aromatic nitro comp Hydrogenation of halogenated aromati...
Aminophenol hydrogenation of aromati Hydrogenation of the aliphatic nitro Hydrogenation of aromatic nitroso co
Aldehyde reductive alkylation Ketone reductive alkylation Imine hydrogenation to amine
Hydrazone hydrogenation of hydrazine Fatty nitrile hydrogenation to prima Fatty nitrile hydrogenation secondar
Hydrogenation of tertiary aliphatic Aromatic nitrile hydrogenation to pr Aromatic nitrile hydrogenation into
Aromatic nitrile hydrogenation of te Nitrile hydrogenation of aromatic al Hydrogenation to the amine oxime
O- benzyl elimination reaction N- benzyl elimination reaction N- benzyloxycarbonyl group eliminati
Hydrogenation dehalogenating halogen Hydrogenation of halogenated aromati
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