Method for producing cyanophenyl derivatives
    1.
    发明授权
    Method for producing cyanophenyl derivatives 失效
    制备氰基苯基衍生物的方法

    公开(公告)号:US06262292B1

    公开(公告)日:2001-07-17

    申请号:US09343268

    申请日:1999-06-30

    IPC分类号: C07C25500

    摘要: The invention relates to (1) a process for producing a cyanobenzaldehyde compound by converting the aminomethyl group in a cyanobenzylamine compound into an aldehyde group using an oxidizing agent without impairing the cyano group, to (2) a process for producing a cyanobenzoyl halide compound by converting the aldehyde group in a cyanobenzaldehyde compound into an acid halide group without impairing the cyano group, and to (3) a process for producing a cyanobenzoic acid compound by reacting a cyanobenzaldehyde compound with a hypohalogenous compound. According to the present invention, cyanophenyl derivatives that are useful as an intermediate of medical preparations, agricultural chemicals, liquid crystals, functional high molecular monomers and the like can be produced efficiently from raw materials that are obtained without difficulty.

    摘要翻译: 本发明涉及(1)通过使用氧化剂将氰基苄胺化合物中的氨基甲基转化为醛基而不损害氰基的方法,(2)通过以下方法制备氰基苯甲醛化合物的方法:(2)通过 将氰基苯甲醛化合物中的醛基转化成酰卤基团而不损害氰基,和(3)通过使氰基苯甲醛化合物与低级光化合物反应来制备氰基苯甲酸化合物的方法。根据本发明,氰基苯基衍生物 作为医药制剂,农药,液晶,功能性高分子单体等的中间体是有用的,可以从难以获得的原料中有效地制造。

    Production process for halogenated aromatic methylamine
    3.
    发明授权
    Production process for halogenated aromatic methylamine 失效
    卤代芳香胺的生产工艺

    公开(公告)号:US06960691B2

    公开(公告)日:2005-11-01

    申请号:US10344263

    申请日:2002-06-17

    摘要: The invention intends to provide means for producing halogenated aromatic methylamine useful as an intermediate in the production of agrochemical or medical preparations, by an industrially advantageous method.The process according to the present invention for producing halogenated aromatic methylamine is characterized by comprising hydrogen-reducing a halogenated aromatic nitrile represented by formula (1): (wherein X represents a chlorine atom or a fluorine atom, m represents an integer of 1 to 5, n represents an integer of 1 to 5, m+n≦6, and when n is 2 or more, each X may be the same or different) using a hydrogenating catalyst in the presence of an organic acid in a solvent to produce a halogenated aromatic methylamine represented by formula (2): (wherein X, m and n have the same meanings as defined above, and a represents an integer of 1 to m).

    摘要翻译: 本发明旨在通过工业上有利的方法提供生产用作生产农药或医药制剂中的中间体的卤代芳族甲胺的方法。 根据本发明的用于制备卤代芳族甲胺的方法的特征在于包含氢还原由式(1)表示的卤代芳族腈:其中X表示氯原子或氟原子,m表示1〜5的整数 ,n表示1〜5的整数,m + n <= 6,n为2以上时,各X可以相同或不同),使用氢化催化剂,在有机酸的存在下,在溶剂中反应生成 由式(2)表示的卤代芳族甲胺:(其中X,m和n具有与上述相同的含义,a表示1至m的整数)。

    Process for producing fluorinated methyl-benzyl alcohol
    4.
    发明授权
    Process for producing fluorinated methyl-benzyl alcohol 失效
    制备氟化甲基 - 苄醇的方法

    公开(公告)号:US06828467B2

    公开(公告)日:2004-12-07

    申请号:US10380047

    申请日:2003-03-11

    IPC分类号: C07C3346

    CPC分类号: C07C29/60 C07C33/46

    摘要: An object of the present invention is to provide a process for producing a fluorinated methyl-benzyl alcohol, which process is industrially applicable. A process for producing a fluorinated methyl-benzyl alcohol according to the present invention includes hydrogenolysis of one hydroxyl group in fluorinated benzene dimethanol. The hydrogenolysis can be carried out in a solvent in the presence of a catalyst. The catalyst can include at least one metal selected from cobalt, iron, copper, nickel, platinum, palladium, and rhenium, and the hydrogenolysis can be carried out using hydrogen.

    摘要翻译: 本发明的目的是提供一种工业上可应用的氟化甲基 - 苄醇的制备方法。 根据本发明的氟代甲基 - 苄醇的制造方法包括在氟化苯二甲醇中氢解一个羟基。 氢解可以在溶剂中在催化剂存在下进行。 催化剂可以包括选自钴,铁,铜,镍,铂,钯和铼中的至少一种金属,并且氢解可以使用氢气进行。

    Non-hygroscopic crystals of p-aminomethylbenzoic acid and process for
preparing the same
    5.
    发明授权
    Non-hygroscopic crystals of p-aminomethylbenzoic acid and process for preparing the same 失效
    对氨基甲基苯甲酸的非吸湿性晶体及其制备方法

    公开(公告)号:US5777158A

    公开(公告)日:1998-07-07

    申请号:US917688

    申请日:1997-08-26

    CPC分类号: C07C227/42 C07C229/38

    摘要: The novel non-hygroscopic crystals of p-aminomethylbenzoic acid can be obtained by heating hygroscopic crystals of p-aminomethylbenzoic acid with keeping the hygroscopic crystals in contact with moisture to transit the hygroscopic crystals to non-hygroscopic crystals. The non-hygroscopic crystals of p-aminomethylbenzoic acid can be particularly advantageously handled in the atmosphere as compared with the conventional hygroscopic crystals. Especially when the p-aminomethylbenzoic acid is used for the non-aqueous reaction, the crystals of the invention are exceptionally advantageous from the viewpoints of removal of moisture and humidity control.

    摘要翻译: 对氨基甲基苯甲酸的新型非吸湿性结晶可以通过加热对氨基甲基苯甲酸的吸湿结晶,同时保持吸湿结晶与水分接触,使吸湿性晶体转移到非吸湿性晶体。 与常规吸湿晶体相比,对氨基甲基苯甲酸的非吸湿性结晶可以特别有利地在大气中处理。 特别是当对氨基甲基苯甲酸用于非水反应时,从除去湿气和湿度控制的观点来看,本发明的结晶是非常有利的。

    Production process of fluorinated benzonitrile
    6.
    发明授权
    Production process of fluorinated benzonitrile 失效
    氟化苄腈的生产工艺

    公开(公告)号:US07569718B2

    公开(公告)日:2009-08-04

    申请号:US10513370

    申请日:2003-07-23

    IPC分类号: C07C255/49

    CPC分类号: C07C253/30 C07C255/50

    摘要: The invention enables reduction of catalyst in producing tetrafluorobenzonitrile by decyanation of one cyano group of tetrafluorodicyanobenzene by using a synthetic zeolite, particularly Zeolite 3A, 4A or 5A, in the reaction. Therefore, the invention provides an industrially useful process capable of producing tetrafluorobenzonitrile, a useful agrochemical and drug intermediate, by hydrogenolysis of tetrafluorodicyanobenzene to decyanate one cyano group with the use of catalyst in small amounts.

    摘要翻译: 本发明可以通过在反应中使用合成沸石,特别是沸石3A,4A或5A脱卤一个氰基的四氟二氰基苯来制备四氟苄腈来制备催化剂。 因此,本发明提供了一种工业上有用的方法,其能够通过使用少量催化剂将四氟二氰基苯氢解成一个氰基,从而生产四氟苄腈,一种有用的农药和药物中间体。

    Production method for benzenedimethanol compound
    7.
    发明授权
    Production method for benzenedimethanol compound 失效
    苯二甲醇化合物的制备方法

    公开(公告)号:US06909023B2

    公开(公告)日:2005-06-21

    申请号:US10311801

    申请日:2001-07-03

    摘要: To provide a novel method for producing a fluorinated benzenedimethanol compound useful as a starting material or an intermediate in the production of agricultural or medicinal chemicals in an industrially advantageous manner.A method for producing a fluorinated benzenedimethanol compound according to the present invention comprises the steps of reducing the nitrile groups of a fluorinated benzenedinitrile compound to obtain a fluorinated xylylenediamine compound and then converting the aminomethyl groups of the fluorinated xylylenediamine compound into hydroxymethyl groups.

    摘要翻译: 提供以工业上有利的方式制造用作农药或药用化学品生产中的起始原料或中间体的氟化苯二甲醇化合物的新方法。 根据本发明的氟化苯二甲醇化合物的制造方法包括将氟化苯二腈化合物的腈基还原,得到氟化苯二甲胺化合物,然后将氟化苯二甲胺化合物的氨基甲基转化为羟甲基的工序。

    Method for preparing an N-phosphonomethylglycine
    9.
    发明授权
    Method for preparing an N-phosphonomethylglycine 失效
    N-膦酰基甲基甘氨酸的制备方法

    公开(公告)号:US5453537A

    公开(公告)日:1995-09-26

    申请号:US260959

    申请日:1994-06-16

    IPC分类号: C07F9/24 C07F9/38

    CPC分类号: C07F9/3813

    摘要: The invention is directed to a process for preparing N-phosphonomethylglycine comprising the steps of reacting an aminomethylphosphonic acid with a glyconitrile in the presence of an alkali metal hydroxide to form a product, and then hydrolyzing the product by adding an alkali metal hydroxide in an amount sufficient to neutralize the resulting carboxylic acid.

    摘要翻译: 本发明涉及一种制备N-膦酰基甲基甘氨酸的方法,包括以下步骤:在碱金属氢氧化物存在下使氨基甲基膦酸与甘氨腈反应形成产物,然后通过加入一定量的碱金属氢氧化物水解产物 足以中和所得羧酸。