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    Methylacetylene chlorination
    17.
    发明授权
    Methylacetylene chlorination 失效
    甲基乙烯氯化

    公开(公告)号：US3700735A

    公开(公告)日：1972-10-24

    申请号：US3700735D

    申请日：1968-04-22

    申请人： DOW CHEMICAL CO

    发明人： PAWLOSKI CHESTER E ,  STEWART RUSSELL L

    IPC分类号： C07C45/30 ,  C07C49/16 ,  C07C45/06

    CPC分类号： C07C49/16 ,  C07C45/30

    摘要： 1,1-Dichloro-2-propanone is produced by a process comprising reacting by contacting methylacetylene with chlorine in the presence of water, preferably at a temperature between 50* and 105* C. The product is biologically active.

    摘要翻译： 通过包括通过在水存在下使甲基乙炔与氯接触，优选在50至105℃之间的温度下反应来制备1,1-二氯-2-丙酮。该产物具有生物活性。

    Hexamethylenetetramine adducts with haloacetic acid esters
    18.
    发明授权
    Hexamethylenetetramine adducts with haloacetic acid esters 失效
    十六烷基磺酰胺与半胱氨酸酯的添加剂

    公开(公告)号：US3624253A

    公开(公告)日：1971-11-30

    申请号：US3624253D

    申请日：1970-03-05

    申请人： DOW CHEMICAL CO

    发明人： PAWLOSKI CHESTER E

    IPC分类号： C07D487/18 ,  C07D55/14

    CPC分类号： C07D487/18

    摘要： New compositions are made by the 1:1 molar reaction of hexamethylenetetramine with a haloacetic acid ester. The quaternary salts thus formed are colorless crystalline solids, readily soluble in water and having biological activity. They are bactericides which also have fungicidal activity.