第 40 卷第 2 期 |  | Vol. 40 No. 2 | 2010 年 4 月 | Apr 2010 |
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所属栏目:医药及中间体
2-氯-5-甲基噻吩的合成 |
张 央
(徐州市人元医药化工有限公司 研发科,江苏 徐州 221400) |
摘 要:以噻吩为原料,经甲酰化,还原制得2-甲基噻吩,2-甲基噻吩经硫酰氯氯化制备2-氯-5-甲基噻吩。通过实验获得反应的优化条件,在此条件下的收率为73.84%。 |
关键词:2-噻吩甲醛;2-甲基噻吩;2-氯-5-甲基噻吩 |
中图分类号:TQ463 文献标识码:A 文章编号:1009-9212(2010)02-0041-03 |
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Synthesis of 2-Chloro-5-methylthiophene |
ZHANG Yang
(Research and Development Department of Xuzhou Renyuan Pharmaceutical Chemicals Co.,Ltd,Xuzhou 221400,China) |
Abstract:2-Chloro-5-methylthiophene(1)is a versatile intermediate for the synthesis of pharmaceuticals and agrochemicals. A facile and low-cost route for the preparation of 1 was reported through the reaction of 2-methylthiophene with sulfuryl chloride. The process produced the product in 73.96% yield. |
Key words:2-thiophenecarboxaldehyde;2-methylthiophene;2-chloro-5-methylthiophene |
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作者简介:张 央(1981-),男,重庆万盛人,硕士,从事药物中间体的合成。(E-mail:zyang710@163.com)
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收稿日期:2010-03-09
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