L. Qi-gui
2004
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Journal
Fine chemicals
Abstract
Mixture containing trans- and cis- forms of 4-ethylcyclohexylcarboxylic acid(2HA) was produced by hydrogenation of 4-ethylbenzoic acid using supported ruthenium/carbon as catalysts.The isomerization reaction was performed at 180 ℃ without solvent when the mole ratio of potassium hydroxide catalyst to 2HA was 2.0.Mass ratio of trans-2HA to cis-2HA in the product was 96∶4.