30.
    发明专利
    未知

    公开(公告)号:CH612945A5

    公开(公告)日:1979-08-31

    申请号:CH346075

    申请日:1975-03-18

    Applicant: HOECHST AG

    Abstract: Production of tertiary methylphosphine oxides of the general formula (I) in which R and R' each stand for identical or different, branched or unbranched, substituted or unsubstituted alkyl, cycloalkyl, aralkyl or aryl groups having from 1 to 18 carbon atoms. The compounds are produced by subjecting tertiary hydroxymethylphosphines of the general formula (II) in which R and R' have the meanings given above, to a thermal rearrangement reaction at temperatures higher than about 90 DEG C or, in the presence of a catalyst, at temperatures within the range -10 and +250 DEG C.

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