Tang Lin-sheng
2008
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Journal
Journal of Qingdao University of Science and Technology
Abstract
2,2-Dimethyl-3-(3-methylphenyl)-propan-1-ol was synthesized using NiB/SiO2 amorphous alloy as catalyst and 2,2-dimethyl-3-(3-methylphenyl)propionaldehyde as starting materials through hydrogenation.According to the experiment,NiB/SiO2 has a very high catalytic activity and selectivity,which made the reaction conditions very moderation.The optimum conditions were as follows: reaction temperature 110℃,reaction pressure 3.0 MPa,m(catlyst)∶m(2,2-dimethyl-3-(3-methylphenyl)propionaldehyde)=0.03∶1.00,and reaction time 7.5 h.Under above conditions,the yield of 2,2-dimethyl-3-(3-methylphenyl)-propan-1-ol was above 99%,the weight percent was above 98% by rectification.