Hydroformylation
    9.
    发明授权
    Hydroformylation 失效
    水力发电

    公开(公告)号:US3555098A

    公开(公告)日:1971-01-12

    申请号:US3555098D

    申请日:1967-12-13

    Applicant: UNION OIL CO

    CPC classification number: C07C45/50 C07C47/02

    Abstract: CATALYTIC ACTIVITY IS MAINTAINED IN A HYDROFORMYLATION REACTION BY THE TREATMENT OF ALL OR A PORTION OF THE RECYCLED REACTION MEDIUM CONTAINING THE CATALYST WITH AN AQUEOUS SOLUTION, PREFERABLY WITH AN ALKALINE AQUEOUS SOLUTION. THE TREATMENT IS EFFECTIVE AT MILD CONDITIONS AND RESULTS IN THE EXTRACTION OF THE BYPRODUCT ACID FORMED IN THE HYDROFORMYLATION WHICH UNLESS REMOVED DEACTIVATES THE CATALYST. THE INVENTION IS APPLICABLE TO THE HYDROFORMYLATION REACTIONS PERFORMED IN LIQUID PHASE USING A COMPLEX OF A BIPHYLIC LIGAND AND A GROUP VIII NOBLE METAL CATALYST, PREFERABLY A RHODIUM COMPLEX WITH A TRIARYL PHOSPHINE.

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