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《Journal of Beijing University of Chemical Technology》 2005-05
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Catalytic synthesis of butanone 1,2-propanediol ketal over H_4SiW_6Mo_6O_(40)/PAn

YANG Shui-jin~1 WANG Min~2(1.Department of Chemistry and Environmental Engineering,Hubei Normal University,Hubei Huangshi 435002,China;2.College of Chemistry,Central China Normal University,Hubei Wuhan 430079,China)  
A new environmentally friendly catalyst,H_4SiW_6Mo_6O_(40)/PAn was prepared.Butanone 1,2-propanediol ketal(Ⅰ) was synthesized from butanone(Ⅱ) and 1,2-propanediol(Ⅲ) in the presence of H_4SiW_6Mo_6O_(40)/PAn(Ⅳ).The factors influencing the synthesis were discussed and the optimum conditions were found.Experimental results show that Ⅳ is an excellent catalyst.With n(Ⅱ)∶n(Ⅲ)=1.0∶1.7,(w(Ⅳ)=)0.6%,and reaction time t=40?min,the yield of Ⅰ can reach 83.1%.
【Fund】: 湖北省自然科学基金和湖北省教育厅重点科研基金(2004D007)
【CateGory Index】: TQ224.2
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