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4-反式-正丙基环己基乙酸的合成新方法
引用本文:段迎春,李娜,段娟,李启贵,刘骞峰.4-反式-正丙基环己基乙酸的合成新方法[J].化工时刊,2009,23(8):30-31,51.
作者姓名:段迎春  李娜  段娟  李启贵  刘骞峰
作者单位:西安瑞联近代电子材料有限公司,陕西,西安,710065
摘    要:以4-反式-正丙基环己基甲酸(Ⅰ)为原料,经过LiAlH4的还原,得到4-反式-正丙基环己基甲醇(Ⅱ),再经过溴代反应,合成了4-反式-正丙基环己基溴代甲烷(Ⅲ),此溴代物制备成格氏试剂与CO2气体反应得到目标化合物4-反式-正丙基环己基乙酸(Ⅳ),总产率47.9%。并对产物用GC—MS,^1HNMR进行了表征。此种方法较文献上普遍采用的合成方法有了较大的改进,提高收率、降低成本,并且避免了KCN、NaCN这样的剧毒物的使用。

关 键 词:丙基环己基甲酸  丙基环己基甲醇  还原  格氏试剂  丙基环己基乙酸  合成

New Method for Synthesis of 4-Trans-(n-propyl)cyclohexyl Acetic Acid
Duan Yingchun Li Na Li Qigui Liu Qianfeng.New Method for Synthesis of 4-Trans-(n-propyl)cyclohexyl Acetic Acid[J].Chemical Industry Times,2009,23(8):30-31,51.
Authors:Duan Yingchun Li Na Li Qigui Liu Qianfeng
Affiliation:Xian Ruilian Moder Electronic Chemical Co.Ltd;Shanxi Xian 710065
Abstract:4 - Trans - ( n - propyl) cyclohexyl acid( Ⅰ) was reducted with LiAlH4 to pruduce the 4 - trans - ( n -propyl) cyclohexyl methanol( Ⅱ ). The compound Ⅱ was bromized to produce the 4 -trans - (n -propyl)cyclohexyl bromic methane( Ⅲ ). And then the goal product 4 - trans - ( n - propyl) eyclohexyl acetic acid( Ⅳ ) was abtained from treatment of Grignard rengent from compound m with carbon dioxidein overall yield of 47.9%. And the structure of the goal compound are characterized by means of GC - MS, ^1HNMR. This method has more advantageous than synthesis method by mentioned in the past literature such as increasing yield, decreasing cost, nontoxicity.
Keywords:4 - trans - ( n - propyl) cyclohexyl acid 4 - trans - ( n - propyl) cyclohexyl methanol reduction -ri / -J - - JGrignard reagent 4 - trans - (n - propyl) eyelohexyl acetic acid sythesis
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