第 33 卷第 2 期 |  | Vol. 33 No. 2 | 2003 年 4 月 | Apr 2003 |
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所属栏目:其它
光气路线合成4-氯丁酰氯 |
杨兴武(湖南海利化工股份有限公司; 湖南长沙; 410007) |
摘 要:介绍了以γ -丁内酯为原料 ,通过光气化反应制备 4 -氯丁酰氯的方法 ,对主要的影响作了考察 ,优惠工艺条件 :光化反应温度 135℃ ,反应时间 10h ,γ -丁内酯与光气的配比为 1∶1 1(mol/mol) ,催化剂用量 5 %,反应收率 95 %。 |
关键词:4-氯丁酰氯; 光气; γ-丁内酯 |
中图分类号:TQ225.22 文献标识码:A 文章编号: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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