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    • 94. 发明授权
    • Process for producing adamantane
    • 生产金刚烷的方法
    • US07381855B2
    • 2008-06-03
    • US10590995
    • 2005-02-28
    • Jun MaseShinji MiyamotoAkio KojimaMasao SaitoToshiaki Kusaba
    • Jun MaseShinji MiyamotoAkio KojimaMasao SaitoToshiaki Kusaba
    • C07C13/28C07C7/14
    • C07C5/29B01J29/126C07C7/14C07C2603/74C07C13/615
    • An industrially advantageous process for producing adamantane by which high-purity adamantane reduced in coloration is efficiently produced while minimizing the loss. The process, which is for producing adamantane by isomerizing trimethylenenorbornane, includes (A) a reaction step of isomerizing the starting material, (B) a concentration step of concentrating the adamantane contained in the resultant liquid reaction mixture, (C) a crystallization step of precipitating the concentrated adamantane, (D) a solid-liquid separation step of separating the adamantane crystals from the slurry resulting from the crystallization, (E) a washing step of washing the isolated adamantane crystals, and (F) a drying step of drying the adamantane crystals washed, characterized in that the mass ratio of the endo-trimethylenenorbornane to the adamantane each contained in the materials to be subjected to the crystallization step (C) (endo-trimethylenenorbornane/adamantane) is 0.25 or lower.
    • 在生产金刚​​烷的工业上有利的方法是高效率地生产高纯度金刚烷,降低了损失。 用于通过异亚丙基降冰片烷生产金刚烷的方法包括(A)使原料异构化的反应步骤,(B)浓缩所得液体反应混合物中所含金刚烷的浓缩步骤,(C)结晶步骤 沉淀浓缩金刚烷,(D)从结晶得到的浆料中分离金刚烷结晶的固液分离步骤,(E)洗涤分离的金刚烷结晶的洗涤步骤,和(F)干燥步骤 金刚烷晶体洗涤,其特征在于,待进行结晶步骤(C)(内 - 三亚甲基降冰片烷/金刚烷)的材料中含有的内 - 三亚甲基降冰片烷与金刚烷的质量比为0.25以下。
    • 97. 发明申请
    • Process for producing adamantane
    • 生产金刚烷的方法
    • US20070173678A1
    • 2007-07-26
    • US10590995
    • 2005-02-28
    • Jun MaseShinji MiyamotoAkio KojimaMasao SaitoToshiaki Kusaba
    • Jun MaseShinji MiyamotoAkio KojimaMasao SaitoToshiaki Kusaba
    • C07C5/13
    • C07C5/29B01J29/126C07C7/14C07C2603/74C07C13/615
    • An industrially advantageous process for producing adamantane by which high-purity adamantane reduced in coloration is efficiently produced while minimizing the loss. The process, which is for producing adamantane by isomerizing trimethylenenorbornane, includes (A) a reaction step of isomerizing the starting material, (B) a concentration step of concentrating the adamantane contained in the resultant liquid reaction mixture, (C) a crystallization step of precipitating the concentrated adamantane, (D) a solid-liquid separation step of separating the adamantane crystals from the slurry resulting from the crystallization, (E) a washing step of washing the isolated adamantane crystals, and (F) a drying step of drying the adamantane crystals washed, characterized in that the mass ratio of the endo-trimethylenenorbornane to the adamantane each contained in the materials to be subjected to the crystallization step (C) (endo-trimethylenenorbornane/adamantane) is 0.25 or lower.
    • 在生产金刚​​烷的工业上有利的方法是高效率地生产高纯度金刚烷,降低了损失。 用于通过异亚丙基降冰片烷生产金刚烷的方法包括(A)使原料异构化的反应步骤,(B)浓缩所得液体反应混合物中所含金刚烷的浓缩步骤,(C)结晶步骤 沉淀浓缩金刚烷,(D)从结晶得到的浆料中分离金刚烷结晶的固液分离步骤,(E)洗涤分离的金刚烷结晶的洗涤步骤,和(F)干燥步骤 金刚烷晶体洗涤,其特征在于,待进行结晶步骤(C)(内 - 三亚甲基降冰片烷/金刚烷)的材料中含有的内 - 三亚甲基降冰片烷与金刚烷的质量比为0.25以下。