Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: cis-4-Aminocyclohexane carboxylic acid, is researched, Molecular C7H13NO2, CAS is 3685-23-2, about Preparation and properties of ruthenium catalysts of the liquid-phase hydrogenation of aromatic compounds.Recommanded Product: 3685-23-2.
The activity and sp. surface of 5% Ru catalysts increased in the order of supports SiO2 < γ-Al2O3 < C, but the specific activity per m2 surface was independent of the support or the method of catalyst preparation A catalyst prepared by treating C with Ru(OH)Cl3 at pH 5.9-6.1 followed by reduction with H at 300° or NaBH4 at 20° had the highest dispersion and specific activity by weight of those studied in the hydrogenation of p-H2NC6H4CO2- NH4+ (p-I). Hexahydroarom. acids were formed in 86-98% yield from m- and p-I, p-H2NCH2C6H4CO2- NH4+, p-Me3CC6H4CO2Na, ammonium isonicotinate and BzOH, and acenaphthene gave >90% perhydroacenaphthene at 80-145° and 60-80 atm.
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Reference:
Synthesis and Crystal Structure of a Chiral C3-Symmetric Oxygen Tripodal Ligand and Its Applications to Asymmetric Catalysis,
Chiral lanthanide(III) complexes of sulphur–nitrogen–oxygen ligand derived from aminothiourea and sodium D-camphor-β-sulfonate