Manufacture of dialkyl pyridines
    2.
    发明授权
    Manufacture of dialkyl pyridines 失效
    二烷基吡啶的制备

    公开(公告)号:US3689496A

    公开(公告)日:1972-09-05

    申请号:US3689496D

    申请日:1969-08-13

    Applicant: BAYER AG

    CPC classification number: C07D213/08

    Abstract: Alkyl pyridines are manufactured by reacting R-C(CH2OH)3 (a trimethylolalkane) with ammonia or an amine, preferably in the presence of a polar solvent (water) and an acid catalyst.

    Abstract translation: 烷基吡啶通过R-C(CH 2 OH)3(三羟甲基烷烃)与氨或胺反应制备,优选在极性溶剂(水)和酸催化剂存在下制备。

    Sulfonic acid betaines
    5.
    发明授权
    Sulfonic acid betaines 失效
    亚硫酸

    公开(公告)号:US3673242A

    公开(公告)日:1972-06-27

    申请号:US3673242D

    申请日:1970-01-06

    Applicant: BAYER AG

    CPC classification number: C08K5/42 Y10S260/18

    Abstract: Unsaturated sulfonic acid betaines suitable for use as antistatic agents with high polymers are prepared by reacting an unsaturated N,N-disubstituted acid hydrazide with a sultone.

    Abstract translation: 通过使不饱和N,N-二取代的酰肼与磺内酯反应制备适合用作高聚物抗静电剂的不饱和磺酸甜菜碱。

    Process for the production of halopyrimidines
    7.
    发明授权
    Process for the production of halopyrimidines 失效
    生产二恶嗪的方法

    公开(公告)号:US3682916A

    公开(公告)日:1972-08-08

    申请号:US3682916D

    申请日:1970-08-05

    Applicant: BAYER AG

    Abstract: Process for producing halopyrimidines by reacting a nitrile or dinitrile and an isocyanide-dichloride in the presence or absence of an inert solvent or diluent and in the presence or absence of an acidic catalyst at a temperature of from 20* to 600* C.

    Abstract translation: 在存在或不存在惰性溶剂或稀释剂的情况下,在存在或不存在酸性催化剂的情况下,在20〜600℃的温度下,使腈或二腈和异氰化二氯化物反应生成卤代嘧啶的方法。

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