Anthranilates of oxyalkylated carboxamides
    2.
    发明授权
    Anthranilates of oxyalkylated carboxamides 失效
    烷氧基化甲酰胺的邻氨基苯甲酸酯

    公开(公告)号:US4174455A

    公开(公告)日:1979-11-13

    申请号:US966417

    申请日:1978-12-04

    摘要: Anthranilates of the formula ##STR1## wherein each R is hydrogen or ##STR2## each n is the number 2, 3 or 4, y is nought or 1 and X is an alkylene radical having 1 to 8 C atoms, meta- or para-phenylene or meta- or para-cyclohexylene, are obtained by reacting a hydroxyalkylated dicarboxylic acid diamide of the formula ##STR3## wherein each R is hydrogen or --CH.sub.2).sub.n OH and n, y and X are as defined above, with isatoic anhydride, preferably in the presence of an alkaline catalyst.The novel compounds are valuable chain extenders and crosslinking agents for the production of polyurethanes and polyurea resins and are also suitable as curing agents for epoxide resins.

    摘要翻译: 其中每个R为氢或每个n为每个n为2,3或4,y为无或1,X为具有1至8个C原子的亚烷基,间位或对位的邻苯二甲酸酯, 亚苯基或间 - 或对 - 亚环己基是通过使式(IMAGE)的羟烷基化的二羧酸二酰胺与其中每个R是氢或-CH 2)n OH和n,y和X如上所定义的, 在碱性催化剂的存在下。 新型化合物是用于生产聚氨酯和聚脲树脂的有价值的增链剂和交联剂,并且也适合作为环氧树脂的固化剂。

    Process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters
    6.
    发明授权
    Process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters 失效
    4-羟基-3-硝基苯甲酸烷基酯的制备方法

    公开(公告)号:US3929864A

    公开(公告)日:1975-12-30

    申请号:US39209773

    申请日:1973-08-27

    申请人: HOECHST AG

    发明人: PAPENFUSS THEODOR

    IPC分类号: C07C205/59 C07C101/54

    CPC分类号: C07C201/08 C07C205/59

    摘要: A process for preparing 4-hydroxy-3-nitrobenzoic acid alkyl esters by nitration of 4-hydroxybenzoic acid alkyl esters with nitric acid, wherein nitration is carried out at about 0 to 60*C with the aid of nitric acid having a strength of 30 to 62 %, which process represents a considerable improvement of the yield and wherein pure products are obtained.

    摘要翻译: 通过用硝酸硝化4-羟基苯甲酸烷基酯制备4-羟基-3-硝基苯甲酸烷基酯的方法,其中硝酸在约0至60℃下,借助于强度为30的硝酸进行 至62%,该方法代表产量的显着改善,并且其中获得纯产品。

    Process for the production of halogen-substituted aromatic amines
    7.
    发明授权
    Process for the production of halogen-substituted aromatic amines 失效
    制备卤素取代芳香胺的方法

    公开(公告)号:US3868403A

    公开(公告)日:1975-02-25

    申请号:US16367971

    申请日:1971-07-19

    申请人: BAYER AG

    IPC分类号: C07C209/36 C07C101/54

    CPC分类号: C07C209/365 F16D2065/026

    摘要: Halogen substituted aromatic amines are prepared by reducing the corresponding nitro compounds at a temperature of from 80* 130* C, under hydrogen pressure of from 10 - 150 atmospheres and at a pH of from 7 - 12 in an amount of watermisicible solvent sufficient to maintain a homogeneous phase during the reaction in the presence of from 1 to 25 percent by weight of a noble metal catalyst supported on active carbon, which catalyst has been used at least once in a catalytic hydrogenation reaction.

    摘要翻译: 卤素取代的芳族胺通过在80-130℃的温度下,在10-150个大气压的氢气压力和7-12的pH下还原相应的硝基化合物来制备,其量足够的 在负载在活性炭上的贵重金属催化剂1〜25重量%存在下,在反应期间维持均相,该催化剂在催化氢化反应中至少使用一次。

    Complex of the methyl esters of 3-amino-2,5-dichlorobenzoic acid and 2,5-dichloro-3-nitrobenzoic acid
    9.
    发明授权
    Complex of the methyl esters of 3-amino-2,5-dichlorobenzoic acid and 2,5-dichloro-3-nitrobenzoic acid 失效
    3-氨基-2,5-二氯苯甲酸和2,5-二氯-3-硝基苯甲酸的甲酯的复合物

    公开(公告)号:US3681429A

    公开(公告)日:1972-08-01

    申请号:US3681429D

    申请日:1970-03-11

    申请人: GAF CORP

    IPC分类号: C07C101/54

    CPC分类号: C07C205/57

    摘要: A novel complex which is formed when essentially equimolar proportions of the methyl ester of 3-amino-2,5-dichlorobenzoic acid and the methyl ester of 2,5-dichloro-3-nitrobenzoic acid are heated together which complex shows herbicidal activity.

    摘要翻译: 当将基本上等摩尔比例的3-氨基-2,5-二氯苯甲酸甲酯和2,5-二氯-3-硝基苯甲酸甲酯一起加热时形成的新型络合物,其中复合物显示除草活性。