1.
    发明专利
    未知

    公开(公告)号:DE1770826A1

    公开(公告)日:1972-01-20

    申请号:DE1770826

    申请日:1968-07-09

    Applicant: BASF AG

    Abstract: 1,264,150. Formylmethylene-isoindolinones. BADISCHE ANILIN- & SODA-FABRIK A.G. 8 July, 1969 [9 July, 1968], No. 34398/69. Heading C2C. [Also in Division D1] The invention comprises compounds of formula wherein R 1 and R 2 are each an aliphatic, cycloaliphatic, araliphatic or aromatic radical, or R 2 may be H or alkoxy (excepting the compound where R 1 =Me and R 2 =H), and a process for making them by reacting the corresponding R 2 -substituted-N-R 1 -o-acetylbenzamide with the reaction product of R 3 R 4 NCHO (where R 3 , R 4 are each an aliphatic or aromatic radical or NR 3 R 4 forms a heterocyclic ring) and an acid halide capable of replacing OH in organic compounds by halogen, in presence of an organic solvent, followed by hydrolysis.

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