2006•Hecheng huaxueRequires access
Catalystic Synthesis of Cyclohexanone 1,2-Propylene Ketal by Polyaniline Doped with Iodine
Genxiang Luo
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Abstract
A new environmentally-friendly catalyst, polyaniline doped with iodine(PAn-I_2),was prepared.Cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propylene alcohol in the presence of PAn-I_2.Factors influencing the product yield were discussed and the optimal reaction conditions were found.Experimental results showed that PAn-I_2 is an excellent catalyst.With cyclohexanone 100 mmol,n(cyclohexanone) ∶n(1,2-propylene)=1 ∶1.5,w(polyaniline doped with iodine)=3%,cyclohexane 12 mL and refluxing for 2.0 h,the yield of cyclohexanone 1,2-propylene ketal can reach 92.1%.