Purifying 1,4-dicyanobutenes
    1.
    发明授权
    Purifying 1,4-dicyanobutenes 失效
    净化1,4二聚体

    公开(公告)号:US3853947A

    公开(公告)日:1974-12-10

    申请号:US33875873

    申请日:1973-03-07

    Applicant: BASF AG

    CPC classification number: C07C255/00

    Abstract: Recovery of pure 1,4-dicyanobutenes from 1,4-dicyanobutenes containing halogen, particularly chlorine or bromine, by treatment with a hexamethylenediamine or with dihexamethylenetriamine in the liquid phase and separation of the 1,4-dicyanobutenes from the reaction products of the added hexamethylenediamine with the halogen compound.

    Abstract translation: 通过在液相中用六亚甲基二胺或二六亚甲基三胺处理,从含有卤素,特别是氯或溴的1,4-二氰基异腈中回收纯的1,4-二氰基异丁烯,并从所加入的反应产物中分离出1,4-二氰基 六亚甲基二胺与卤素化合物。

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