Bis(trifluoromethylthio) fluorobutanes
    3.
    发明授权
    Bis(trifluoromethylthio) fluorobutanes 失效
    BIS(三氟乙烯)氟化物

    公开(公告)号:US3646221A

    公开(公告)日:1972-02-29

    申请号:US3646221D

    申请日:1969-09-12

    Applicant: ALLIED CHEM

    CPC classification number: C07C323/00

    Abstract: BIS(TRIFLUOROMETHYLTHIO) FLUOROBUTANES USEFUL AS THERMALLY STABLE DIELECTRIC COOLANTS OR INSECTICIDAL FUMIGANTS, AND PROCESS FOR PREPARING THEM BY SUBJECTING A VAPOROUS MIXTURE OF HIS(TRIFLUOROMETHYL)DISULFIDE AND CERTAIN FLUOROETHYLENES TO ULTRAVIOLET LIGHT IN THE WAVE LENGHT RANGE BETWEEN ABOUT 2000A.AND ABOUT 3600A.AT TEMPERATURES OF AT LEAST ABOUT 35*C.

    D R A W I N G

    Process for preparing 2-chloromethyl-1 3-polyfluoro-2-propanols
    9.
    发明授权
    Process for preparing 2-chloromethyl-1 3-polyfluoro-2-propanols 失效
    制备2-氯代甲基-1,3-二氟丙醇的方法

    公开(公告)号:US3616360A

    公开(公告)日:1971-10-26

    申请号:US3616360D

    申请日:1969-05-20

    Applicant: ALLIED CHEM

    CPC classification number: B01J19/123

    Abstract: Preparation of 2-chloromethyl-1,3-polyfluoro-2-propanols by subjecting a mixture of a 2-methyl-1,3-polyfluoro-2-propanol, or a 2-(mono or dichloromethyl)-1,3-polyfluoro-2-propanol and chlorine to the action of a broadband of ultraviolet light in the wavelength range between about 2,000* A. and about 3,600* A. at a temperature between about 10* C. and about 200* C. The resulting compounds and their fluorinated derivatives are useful as fumigants against insects.

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