2.
    发明专利
    未知

    公开(公告)号:DE102004058887A1

    公开(公告)日:2006-06-08

    申请号:DE102004058887

    申请日:2004-12-06

    Applicant: BASF AG

    Abstract: A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution and in the range from 0.0002 to 0.09 mol of catalyst per mole of MeOAc, and performing the reaction at a temperature in the range from 90 to 140° C. and at an absolute pressure in the range from 10 to 30 bar.

    3.
    发明专利
    未知

    公开(公告)号:DE102004058886A1

    公开(公告)日:2006-06-08

    申请号:DE102004058886

    申请日:2004-12-06

    Applicant: BASF AG

    Abstract: A process for preparing N,N-dimethylacetamide (DMAC) by continuously reacting methyl acetate (MeOAc) with dimethylamine (DMA) in the presence of a basic catalyst, wherein MeOAc is used in the form of a methanolic solution which is obtained as a by-product in the preparation of polyTHF by transesterifying polyTHF diacetate with methanol.

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