| 第 36 卷第 3 期 |  | Vol. 36 No. 3 | | 2006 年 6 月 | Jun 2006 |
|
所屬欄目：香精香料
稀土固體超強酸SO_4~(2-)/TiO_2/Ce(IV)催化合成環(huán)己酮1,2-丙二醇縮酮 |
| 張慶; 滕俊江; 梁紅冬; 葉秀娟; 蘇映紅(茂名學(xué)院化學(xué)與生命科學(xué)學(xué)院; 廣東茂名) |
| 摘 要：以環(huán)己酮與1,2-丙二醇為原料,稀土固體超強酸SO42-/TiO2/Ce(IV)為催化劑,合成了環(huán)己酮1,2-丙二醇縮酮,考察了影響反應的因素。結果表明,在n(酮)n∶(醇)=1 1∶.5、催化劑用量占反應物總質(zhì)量的1.7%、帶水劑環(huán)己烷用量占反應物總質(zhì)量的30%、反應時(shí)間1h的優(yōu)化條件下,環(huán)己酮1,2-丙二醇縮酮收率可達84.28%。 |
| 關(guān)鍵詞：環(huán)己酮1; 2-丙二醇縮酮; SO_4~（2-）/TiO_2/Ce（IV）; 催化; 縮酮反應 |
| 中圖分類(lèi)號：TQ224.2 文獻標識碼：A 文章編號：1009-9212(2006)03-0034-03 |
|
| Catalytic Synthesis of Cyclohexanone 1,2-Propylene Glycol Ketal by Rare Earth Solid Superacid SO _4~(2-)/TiO_2 /Ce(Ⅳ) |
| ZHANG Qing; TENG Jun-jiang; LIANG Hong-dong; YE Xiu-juan; SU Ying-hong（School of Chemistry and Life Sicence; Maoming College; Maoming 525000; China） |
| Abstract：The synthesis of cyclohexanone 1,2-propylene glycol ketal from cyclohexanone and 1,2-propylene glycol under the presence of catalyst rare earth solid superacid SO42-/TiO2 /Ce(Ⅳ) was studied.The influent factors on reaction were investigated.The results showed that the appropriate conditions were as follows:molar ratio of cyclohexanone and 1,2-propylene glycol was 1 ∶ 1.5,the amount of catalyst was 1.7% of the total weight of cyclohexanone and 1,2-propylene glycol,the amount of cyclohexane was 30% of the wei... |
| Key words：cyclohexanone 1; 2-propylene glycol ketal; SO42-/TiO2 /Ce（IV）; catalysis; ketalation |
|
收稿日期：2006-03-10
|
| 閱讀全文 |
|