Cyanomethyl substituted derivatives of dihalophenylcyclopropane
    2.
    发明授权
    Cyanomethyl substituted derivatives of dihalophenylcyclopropane 失效
    二羟基苯酚的氰基取代衍生物

    公开(公告)号:US3598857A

    公开(公告)日:1971-08-10

    申请号:US3598857D

    申请日:1968-09-30

    Applicant: OLIN MATHIESON

    CPC classification number: C07C17/32 C07C23/18 C08K5/16 C08L23/06

    Abstract: HALOMETHYL SUBSTITUTED DERIVATIVES OF DIHALOPHENYLCYCLOPROPANES HAVING THE FORMULA:

    1-(X"-CH2)N-(PHENYLENE)-,1-R,2-X,2-X''-CYCLOPROPANE

    WHEREIN X,X'',X" ARE EACH SELECTED FROM THE GROUP CONSISTING OF CHLORINE, BROMINE, IODINE, R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN OR ALKYL OF FROM 1 TO 5 INCLUSIVE CARBON ATOMS AND N IS AN INTERGER OF FROM 1 TO 2 INCLUSIVE; ARE PREPARED BY REACTING FORMALDEHYDE AND AN ACID, SUCH AS HYDROBROMIC ACID, WITH A DICHLOROCARBENE ADDUCT OF STYRENE. IN THE SECOND PHASE THE HALOMTHYL DERIVATIVES ARE REACTED WITH AN ALKALI METAL CYANIDE TO FORM CYANOMETHYL SUBSTITUTED DERIVATIVES OF THE DIHALOPHENYLCYCLOPROPANES. THE COMPOUNDS, WHICH CONTAIN A HIGH PERCENTAGE OF HALOGEN, ARE USEFUL AS FIRE RETARDANTS FOR PLASTIC MATERIALS SUCH ASS POLYETHYLENE AND, IN ADDITION, THE CYANOMETHYL DERIVATIVES ARE VALUBLE SOIL FUNGICIDES AND HERBICIDES.

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