Method for producing deuterated methyl methacrylate
    2.
    发明申请
    Method for producing deuterated methyl methacrylate 失效
    氘代甲基丙烯酸甲酯的制备方法

    公开(公告)号:US20070043242A1

    公开(公告)日:2007-02-22

    申请号:US10569643

    申请日:2004-09-01

    IPC分类号: C07C233/02

    摘要: A method for producing MMA-d8 which includes a step of exchanging D in hydroxyl group of methanol-d4 represented by the formula: CD3OD with H to prepare the methanol-d3 represented by the formula CD3OH and simultaneously recovering a deuterium-containing compound, and a step of reacting methanol-d3 with sulfuric acid salt of methacrylic acid amide represented by the formula CD2═(CD3)CO(NH2·H2SO4) to prepare MMA-d8 represented by the formula: CD2═(CD3)COOCD3.

    摘要翻译: 一种制备MMA-d 8 N的方法,该方法包括在由下式表示的甲醇-d 4的羟基中交换D的步骤:< 3< 3> > OD以制备由式CD 3 OH表示的甲醇-d 3并同时回收含氘化合物,并且使甲醇-d 3反应, 由式CD 2 - (CD 3 N)CO(NH 2)2表示的甲基丙烯酸酰胺的硫酸盐与(3-N) > H 2 SO 4),以制备由下式表示的MMA-d 8:(Ⅳ)(((((((::::::::::::::::::::::::::::::: CD 3)COOCD 3 3。

    Method for producing deuterated methyl methacrylate
    3.
    发明授权
    Method for producing deuterated methyl methacrylate 失效
    氘代甲基丙烯酸甲酯的制备方法

    公开(公告)号:US07375247B2

    公开(公告)日:2008-05-20

    申请号:US10569643

    申请日:2004-09-01

    IPC分类号: C07C67/20

    摘要: A method for producing MMA-d8 which includes a step of exchanging D in hydroxyl group of methanol-d4 represented by the formula: CD3OD with H to prepare the methanol-d3 represented by the formula CD3OH and simultaneously recovering a deuterium-containing compound, and a step of reacting methanol-d3 with sulfuric acid salt of methacrylic acid amide represented by the formula CD2=(CD3)CO(NH2.H2SO4) to prepare MMA-d8 represented by the formula: CD2=(CD3)COOCD3.

    摘要翻译: 一种制备MMA-d 8 N的方法,该方法包括在由下式表示的甲醇-d 4的羟基中交换D的步骤:< 3< 3> > OD以制备由式CD 3 OH表示的甲醇-d 3并同时回收含氘化合物,并且使甲醇-d 3反应, 由式CD 2代表的甲基丙烯酸酰胺的硫酸盐(NH 3 CO 2(CO 3 NH 3)) 以制备由下列化学式表示的MMA-d 8:(2)式(Ⅳ) CD 3)COOCD 3 3。