| 第 33 卷第 2 期 |  | Vol. 33 No. 2 | | 2003 年 4 月 | Apr 2003 |
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所屬欄目：其它
光氣路線(xiàn)合成4-氯丁酰氯 |
| 楊興武(湖南海利化工股份有限公司; 湖南長(cháng)沙; 410007) |
| 摘 要：介紹了以γ -丁內酯為原料 ,通過(guò)光氣化反應制備 4 -氯丁酰氯的方法 ,對主要的影響作了考察 ,優(yōu)惠工藝條件 :光化反應溫度 135℃ ,反應時(shí)間 10h ,γ -丁內酯與光氣的配比為 1∶1 1(mol/mol) ,催化劑用量 5 %,反應收率 95 %。 |
| 關(guān)鍵詞：4-氯丁酰氯; 光氣; γ-丁內酯 |
| 中圖分類(lèi)號：TQ225.22 文獻標識碼：A 文章編號：1009-9212(2003)02-0045-02 |
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| The Synthesis of 4-Chlorobutyryl Chloride by Phosgenation |
| YANG Xing-wu 1; XU Jian-bin 2; ZANG Yang-ling 2.（1.Pilot plant of Hunan Haili Chemical Industry Co.Ltd.Changsha; China; 2.Hunan Research Institute of Chemical Industry Changsha 410007; China） |
| Abstract：The 4-Chlorlbutyryl Chloride was prepared form 4-butyrolactone by phosgenation.The effect of the reaction conditions were investigated.The temperature of the phosgenation is 135?℃; the mole ratio of 4-butyrolactone to phosgene is 1∶1.1; the time of phosgenation is 10h; the amount of catalyst is 5%. The yield is 95%. |
| Key words：Chlorobutyryl chloride; phosgene4-butyrolactone |
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收稿日期：2002-10-23
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