| H_6P_2W_(18)O_(62)/SiO_2催化合成环己酮1,2-丙二醇缩酮 |
| |
| 引用本文： | 罗震,罗晶,刘晓霞,杨水金.H_6P_2W_(18)O_(62)/SiO_2催化合成环己酮1,2-丙二醇缩酮[J].商丘师范学院学报,2014(9):34-37. |
| |
| 作者姓名： | 罗震 罗晶 刘晓霞 杨水金 |
| |
| 作者单位： | 湖北师范学院化学化工学院,湖北黄石435002 |
| |
| 基金项目： | 湖北省自然科学基金资助项目（2005ABA053） |
| |
| 摘 要： | 以二氧化硅负载Dawson型磷钨酸H6P2W18O62/SiO2为催化剂,采用环己酮和1,2-丙二醇为原料合成环己酮1,2-丙二醇缩酮.探讨H6P2W18O62/SiO2对缩酮反应的催化活性,较系统地研究了各种因素对产物收率的影响.实验表明:H6P2W18O62/SiO2是合成环己酮1,2-丙二醇缩酮的良好催化剂,在n(环己酮)∶n(1,2-丙二醇)=1∶1.5,带水剂环己烷6 mL,催化剂用量占反应物料总质量的0.6%,反应时间60 min的优化条件下,环己酮1,2-丙二醇缩酮的收率可达85.4%.
|
| 关 键 词： | 环己酮 -丙二醇缩酮 HPWO/SiO 催化 |
Catalytic synthesis of cyclohexanone 1,2-propanediol ketal by H6 P2 W18 O62/SiO2 |
| |
| LUO Zhen,LUO Jing,LIU Xiaoxia,YANG Shuijin.Catalytic synthesis of cyclohexanone 1,2-propanediol ketal by H6 P2 W18 O62/SiO2[J].Journal of Shangqiu Teachers College,2014(9):34-37. |
| |
| Authors: | LUO Zhen LUO Jing LIU Xiaoxia YANG Shuijin |
| |
| Institution: | (College of Chemistry and Chemical Engineering, Hubei Normal University, Huangshi 435002 ,China) |
| |
| Abstract: | Cyclohexanone 1,2-propanediol ketal was synthesized from cyclohexanone and 1,2-propanediol in the presence of H6 P2 W18 O62/SiO2 as catalyst.The factors influencing the synthesis were discussed and the best reaction conditions were found out .Experimental results showed that H 6 P2 W18 O62/SiO2 was an excellent catalyst .The optimum conditions are：molar ratio of cyclohexanone to 1,2-propanediol is 1∶1.5, the volume of cyclohexane as the water-carrying agent is 6 mL, the quantity of catalyst is equal to 0.6%of feed stocks , and the reaction time is 60 min.Under these conditions , the yield of cyclohexanone 1,2-propanediol ketal can reach 85.4 %. |
| |
| Keywords: | cyclohexanone1 2-propanediol ketal H6 P2 W18 O62/SiO2 catalysis |
| 本文献已被 CNKI 维普 等数据库收录！ |
|
