112.
    发明专利
    未知

    公开(公告)号:NL9001545A

    公开(公告)日:1992-02-03

    申请号:NL9001545

    申请日:1990-07-06

    Applicant: STAMICARBON

    Abstract: Treatment of a ketoxime- (pref. cyclohexanone oxime) or aldoxime-contg. amide mixt. obtd. by a catalytic Beckmann rearrangement of the corresponding oxime, by hydrolysing the oxime-contg. mixt., sepg. off the prods. from the corresponding amide and returning them to an oximation reaction. Hydrolysis is at pH 0-4, pref. by means of an acid cation exchanger, at 50-150 deg. C,

    116.
    发明专利
    未知

    公开(公告)号:ES528705A0

    公开(公告)日:1985-11-16

    申请号:ES528705

    申请日:1984-01-05

    Applicant: MONSANTO CO

    Abstract: A method of preparing a lactam magnesium halide comprising the steps of:a. reactively admixing magnesium, hydrocarbon halide and lactam in the presence of cyclic ether solvent, wherein the halide is either chloride or bromide; andb. removing the cyclic ether and the hydrocarbon residue.

    120.
    发明专利
    未知

    公开(公告)号:BR8400073A

    公开(公告)日:1984-08-14

    申请号:BR8400073

    申请日:1984-01-09

    Applicant: MONSANTO CO

    Abstract: A method of preparing a lactam magnesium halide comprising the steps of:a. reactively admixing magnesium, hydrocarbon halide and lactam in the presence of cyclic ether solvent, wherein the halide is either chloride or bromide; andb. removing the cyclic ether and the hydrocarbon residue.

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