第 40 卷第 2 期 |  | Vol. 40 No. 2 | 2010 年 4 月 | Apr 2010 |
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所屬欄目:醫藥及中間體
2-氯-5-甲基噻吩的合成 |
張 央
(徐州市人元醫藥化工有限公司 研發(fā)科,江蘇 徐州 221400) |
摘 要:以噻吩為原料,經(jīng)甲;,還原制得2-甲基噻吩,2-甲基噻吩經(jīng)硫酰氯氯化制備2-氯-5-甲基噻吩。通過(guò)實(shí)驗獲得反應的優(yōu)化條件,在此條件下的收率為73.84%。 |
關(guān)鍵詞:2-噻吩甲醛;2-甲基噻吩;2-氯-5-甲基噻吩 |
中圖分類(lèi)號:TQ463 文獻標識碼:A 文章編號: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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作者簡(jiǎn)介:張 央(1981-),男,重慶萬(wàn)盛人,碩士,從事藥物中間體的合成。(E-mail:zyang710@163.com)
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收稿日期:2010-03-09
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