第 45 卷第 6 期 |  | Vol. 45 No. 6 | 2015 年 12 月 | Dec 2015 |
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所屬欄目:醫藥及中間體
3-甲基苯丙酮的合成方法研究 |
黃朋勉,唐文娟,吳 瑩,黃子杰,易 霞,周智慧
(長(cháng)沙理工大學(xué) 化學(xué)與生物工程學(xué)院,湖南 長(cháng)沙 410114) |
摘 要:以溴乙烷和鎂屑為原料,四氫呋喃為溶劑制備乙基溴化鎂格氏試劑。格氏試劑和間甲基苯甲醛反應得到3′-甲基苯丙醇,隨后采用氯鉻酸吡啶鎓鹽(Pcc)氧化得到產(chǎn)品3′-甲基苯丙酮。收率為72%,純度為98%(HPLC)。優(yōu)化反應條件為:n(溴乙烷)∶n(鎂屑)∶n(間甲基苯甲醛)= 1.2∶1.1∶1.0,氧化反應溫度為40℃。 |
關(guān)鍵詞:格氏試劑;間甲基苯甲醛;3′-甲基苯丙酮;Pcc |
中圖分類(lèi)號:O625.42 文獻標識碼:A 文章編號:1009-9212(2015)06-0023-03 |
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Synthesis of 3-Methypropiophenone |
HUANG Peng-mian, TANG Wen-juan, WU Ying, HUANG Zi-jie, YI Xia, ZHOU Zhi-hui
(Changsha University of Science & Technology, Changsha 410114, China) |
Abstract:Grignard reagent-ethyl magnesium bromide was prepared using bromoethane and magnesium in tetrahydrofuran. 1-(3-Methyl-phenyl)-propan-1-ol was obtained by the reaction of ethyl magnesium bromide with m-tolualdehyde. 3-Methylpropiophenone was obtained from the oxidation reaction of 1-(3-methyl-phenyl)-propan-1-ol using pyridinium chlorochromate (PCC) with a yield of 72% and purity of 98% (HPLC). The optimal reaction conditions were as following: the molar ratio of bromoethane, magnesium and m-tolualdehyde was of 1.2:1.1:1.0, and the oxidation reaction temperature was of 40℃. |
Key words:Grignard reagent; m-tolualdehyde; 3-methylpropiophenone; Pcc |
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基金項目:湖南省教育廳項目資助(15C0022)。
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作者簡(jiǎn)介:黃朋勉(1972-),男,湖南靖州人,副教授,博士,主要從事藥物及中間體的研究(E-mail:huangpengmian@126.com)。
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收稿日期:2015-10-21
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