Production of substituted imidazoles
    1.
    发明授权
    Production of substituted imidazoles 失效
    生产替代的咪唑烷

    公开(公告)号:US3843676A

    公开(公告)日:1974-10-22

    申请号:US22461872

    申请日:1972-02-08

    Applicant: BASF AG

    CPC classification number: C07D233/54

    Abstract: The production of imidazoles bearing a substituent on a nitrogen atom by reaction of an imidazole with an aliphatic alcohol or ether in the presence of an oxide and/or phosphate of a metal of Group 2, 3 or 4 of the Periodic Table and additionally in the presence of a phosphoric acid and/or an ester of a phosphoric acid. The products are intermediates for the production of dyes, textile auxiliaries and insecticides.

    9.
    发明专利
    未知

    公开(公告)号:BR7403189D0

    公开(公告)日:1974-12-24

    申请号:BR318974

    申请日:1974-04-19

    Applicant: BASF AG

    Inventor: PLATZ R DOCKNER T

    Abstract: Manufacture of carboxamides by the addition of water to nitriles in the presence of a copper-containing and magnesium silicate-containing catalyst which has been treated with a reducing gas. The carboxamides obtained by the process of the invention are valuable starting materials for the manufacture of solvents, flocculating agents, crosslinking agents, pesticides, plant protectants, textile auxiliaries such as levelling agents, waterproofing agents, foam stabilizers and detergents.

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