Method for the production of β-aminopropionic acid derivatives
    1.
    发明授权
    Method for the production of β-aminopropionic acid derivatives 有权
    生产氨基丙酸衍生物的方法

    公开(公告)号:US07674929B2

    公开(公告)日:2010-03-09

    申请号:US12066681

    申请日:2006-09-13

    IPC分类号: C07C255/00

    摘要: The invention relates to a process for preparing β-aminopropionic acid derivatives by reacting a primary or secondary amine with an acrylic acid derivative, wherein comprises (i) a first primary or secondary amine is provided as an amine of value and reacted with the acrylic acid derivative, to obtain a reaction mixture comprising a first β-aminopropionic acid derivative as a product of value and additionally unconverted acrylic acid derivative, (ii) the unconverted acrylic acid derivative present in the reaction mixture is reacted with a second secondary amine as a scavenger amine virtually fully to give a second β-aminopropionic acid derivative to obtain a reaction mixture comprising the first β-aminopropionic acid derivative as a product of value, the second β-aminopropionic acid derivative and unconverted secondary amine.

    摘要翻译: 本发明涉及一种通过使伯胺或仲胺与丙烯酸衍生物反应来制备β-氨基丙酸衍生物的方法,其中包括(i)第一伯胺或仲胺作为有价值的胺并与丙烯酸反应 酸衍生物,得到包含第一和次氨基丙酸衍生物作为值的产物和另外未转化的丙烯酸衍生物的反应混合物,(ii)将存在于反应混合物中的未转化的丙烯酸衍生物与第二仲胺反应, 一种清除剂胺实际上完全可以得到第二种 - 氨基丙酸衍生物,以获得包含第一种和第二种 - 氨基丙酸衍生物和未转化的仲胺的第一种 - 氨基丙酸衍生物的反应混合物。

    Method for the Production of Beta-Aminopropionic Acid Derivatives
    2.
    发明申请
    Method for the Production of Beta-Aminopropionic Acid Derivatives 有权
    β-氨基丙酸衍生物的制备方法

    公开(公告)号:US20080249333A1

    公开(公告)日:2008-10-09

    申请号:US12066681

    申请日:2006-09-13

    IPC分类号: C07C229/02

    摘要: The invention relates to a process for preparing β-aminopropionic acid derivatives by reacting a primary or secondary amine with an acrylic acid derivative, wherein comprises (i) a first primary or secondary amine is provided as an amine of value and reacted with the acrylic acid derivative, to obtain a reaction mixture comprising a first β-aminopropionic acid derivative as a product of value and additionally unconverted acrylic acid derivative, (ii) the unconverted acrylic acid derivative present in the reaction mixture is reacted with a second secondary amine as a scavenger amine virtually fully to give a second β-aminopropionic acid derivative to obtain a reaction mixture comprising the first β-aminopropionic acid derivative as a product of value, the second β-aminopropionic acid derivative and unconverted secondary amine.

    摘要翻译: 本发明涉及通过使伯胺或仲胺与丙烯酸衍生物反应来制备β-氨基丙酸衍生物的方法,其中包括(i)第一伯胺或仲胺作为有价值的胺并与丙烯酸反应 衍生物,以获得包含作为有价值的产物的第一β-氨基丙酸衍生物和另外未转化的丙烯酸衍生物的反应混合物,(ii)反应混合物中存在的未转化的丙烯酸衍生物与作为清除剂的第二仲胺反应 胺实际上完全提供第二β-氨基丙酸衍生物以获得包含第一β-氨基丙酸衍生物作为有价值的产物,第二β-氨基丙酸衍生物和未转化的仲胺的反应混合物。

    Method for the Production of Xylyendiamine
    3.
    发明申请
    Method for the Production of Xylyendiamine 审中-公开
    辛二胺生产方法

    公开(公告)号:US20080262266A1

    公开(公告)日:2008-10-23

    申请号:US12067893

    申请日:2006-09-14

    IPC分类号: C07C209/48 C07C211/27

    CPC分类号: C07C209/48 C07C211/27

    摘要: Process for preparing o-, m- or p-xylylenediamine by hydrogenation of o-, m- or p-phthalonitrile in the presence of a heterogenous catalyst, which comprises feeding a solution of the phthalonitrile in the corresponding isomer of crude xylylenediamine into the hydrogenation reactor, with the crude xylylenediamine having a purity in the range from 85 to 99.7% by weight and a content of higher boilers in the range from 0.3 to 15% by weight.

    摘要翻译: 在异种催化剂存在下通过邻位,间或对邻二甲苯氢化制备邻 - ,间 - 或对 - 苯二甲胺的方法,其中包括将邻苯二甲腈在粗苯二甲胺的相应异构体中的溶液加入氢化 反应器,其中粗苯二胺的纯度为85-99.7重量%,较高锅炉的含量为0.3-15重量%。

    Method for producing xylylenediamine (xda)
    4.
    发明申请
    Method for producing xylylenediamine (xda) 失效
    苯二甲胺生产方法(xda)

    公开(公告)号:US20070088178A1

    公开(公告)日:2007-04-19

    申请号:US10571615

    申请日:2004-09-04

    IPC分类号: C07C209/48

    CPC分类号: C07C209/48 C07C211/27

    摘要: A process for preparing xylylenediamine, comprising the steps of ammoxidizing xylene to phthalonitrile by contacting the vaporous product of this ammoxidation stage directly with a liquid organic solvent (quench), removing products having a boiling point higher than phthalonitrile (high boilers) from the resulting quench solution or suspension and hydrogenating the phthalonitrile, wherein the organic solvent used for the quench is N-methyl-2-pyrrolidone (NMP), after the removal of the high boilers and before the hydrogenation, there is a partial or complete removal of the NMP and/or of products having a boiling point lower than phthalonitrile (low boilers) and the phthalonitrile for the hydrogenation step is dissolved or suspended in an organic solvent or in liquid ammon

    摘要翻译: 一种制备苯二甲胺的方法,包括以下步骤:通过使该氨氧化段的蒸气产物与液体有机溶剂(骤冷)接触,将二甲苯与邻苯二甲腈进行氨氧化,从所得的淬火中除去沸点高于邻苯二甲腈(高锅炉)的产物 溶液或悬浮液并氢化邻苯二甲腈,其中用于骤冷的有机溶剂是N-甲基-2-吡咯烷酮(NMP),在除去高锅炉之后,在氢化之前,部分或完全除去NMP 和/或沸点低于邻苯二甲腈(低锅炉)的产物和用于氢化步骤的邻苯二甲腈溶解或悬浮在有机溶剂或液氨中

    Preparation of vinylphosphonic acid compounds
    5.
    发明授权
    Preparation of vinylphosphonic acid compounds 失效
    乙烯基膦酸化合物的制备

    公开(公告)号:US06479687B2

    公开(公告)日:2002-11-12

    申请号:US09803146

    申请日:2001-03-12

    IPC分类号: C07F940

    CPC分类号: C07F9/4015 C07F9/3826

    摘要: A process for preparing vinylphosphonic acid compounds of the formula (I) where R1 and R2 are, independently, H, C1-16-alkyl, C6-12-aryl, C7-12-alkaryl or C7-12-aralkyl, it being possible for the organic radicals to be substituted by one or more halogen atoms, hydroxyl, acyl or acetoxy groups, by reacting phosphorous acid compounds of the formula (II) with acetylene in the presence of a Pd(O) complexe or Pt(O) complex as catalyst.

    摘要翻译: 制备式(I)的乙烯基膦酸化合物的方法,其中R 1和R 2独立地为H,C 1-6 - 烷基,C 6-12 - 芳基,C 7-12 - 烷芳基或C 7-12 - 芳烷基,这是可能的 通过在Pd(O)络合物或Pt(O)络合物的存在下使式(II)的亚磷酸化合物与乙炔反应,使有机基团被一个或多个卤素原子,羟基,酰基或乙酰氧基取代 作为催化剂。

    Method for producing vinyl oxime-ethers
    6.
    发明授权
    Method for producing vinyl oxime-ethers 失效
    乙烯基肟醚的制备方法

    公开(公告)号:US06313347B1

    公开(公告)日:2001-11-06

    申请号:US09744246

    申请日:2001-01-30

    IPC分类号: C07C24900

    CPC分类号: C07C251/38 C07C251/44

    摘要: In the process for the preparation of vinyloxime ethers of the formula I by reacting an oxime with an alkyne where R1 and R2 are identical or different and are alkyl or aryl radicals, R3 is hydrogen, an alkyl or aryl radical, and R4 is a radical having the meaning of R3, which may be different than R3, or is a hydroxyalkyl radical, in a superbasic polar organic solvent in the presence of a strong base, the reaction is carried out under conditions such that the resulting vinyloxime ether stays in contact with the other constituents of the reaction mixture for only a short time so that it is unable to decompose or react to give secondary products to a significant extent.

    摘要翻译: 在制备式I的乙烯基肟醚的方法中,通过使肟与炔烃反应,R 1和R 2相同或不同,并且是烷基或芳基,R 3是氢,烷基或芳基,R 4是具有 R 3可以不同于R 3,或者是羟烷基,在强碱存在的情况下,在超碱性极性有机溶剂中,该反应在使得所得维琳肟醚与其它成分接触的条件下进行 反应混合物只需很短的时间,使其不能在很大程度上分解或反应得到二次产物。