24.
    发明专利
    未知

    公开(公告)号:DK84983A

    公开(公告)日:1983-08-26

    申请号:DK84983

    申请日:1983-02-24

    Applicant: BASF AG

    Abstract: 1. A process for the preparation of an o-acylaminomethylbenzyl halide of the formula (I) see diagramm : EP0087676,P5,F3 where X is halogen and R**1 is an aliphatic or aromatic radical, wherein an o-aminomethylbenzyl alkyl ether of the formula (II) see diagramm : EP0087676,P5,F4 where R**2 is alkyl, is reacted with an acylating agent to give the corresponding acylaminomethylbenzyl alkyl ether, and the latter is reacted with an aqueous hydrohalic acid to give the halide (I).

    28.
    发明专利
    未知

    公开(公告)号:NO141992B

    公开(公告)日:1980-03-03

    申请号:NO743305

    申请日:1974-09-13

    Applicant: BASF AG

    Abstract: New 4-oxa-5-hydroxypolycycloalkenones-(3) and a new method for their Production by Diels-Alder reaction of cycloalkapolyenes with 2-hydroxy-2,5-dihydrofuran-5-ones. The new and known compounds obtainable by the process of the invention are starting materials for the production of dyes, plastics, pharmaceutical products and pest control agents.

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