53.
    发明专利
    未知

    公开(公告)号:DE19536809A1

    公开(公告)日:1997-04-03

    申请号:DE19536809

    申请日:1995-10-02

    Applicant: BASF AG

    Abstract: The invention relates to salicylic acid derivatives of formula I, in which the substituents have the following meaning: A is a five membered heteroaromatic with a oxygen atom, nitrogen atom or sulphur atom or with one to four nitrogen atoms or with one to two nitrogen atoms and additionally a sulphur atom or an oxygen atom in the ring which can carry at least one -B-R group and additionally one or a plurality of the following substituents: nitro, halogen, cyano, optionally substituted alkyl, alkyl thio, alkyl sulfonyl, alkyl sulfinyl, formyl or a R group; a six membered hereroaromatic with two to three nitrogen atoms in the ring which can carry at least one -B-R group and additionally one or a plurality of the following substituents: nitro, halogen, cyano, optionally substituted alkyl, alkyl thio, alkyl sulfonyl, alkyl sulfinyl, formyl or a R group; B is oxygen, sulphur, SO, SO2; X is oxygen or sulphur; Y is nitrogen or C-H; Z is nitrogen or a C-R grouping, the substituents R , R , and R having the meaning given in claim 1. The invention also relates to a process for the preparation of these derivatives, herbicidal agents and a method of controlling undesirable vegetation.

    54.
    发明专利
    未知

    公开(公告)号:DE4441678A1

    公开(公告)日:1996-05-30

    申请号:DE4441678

    申请日:1994-11-23

    Applicant: BASF AG

    Abstract: alpha -halogen carbonyl derivatives have the general formula (I), in which R is a formyl group, a CO2H group or a rest capable of being hydrolysed into COOH and the other substituents have the following meanings: R stands for halogen, C1-C4alkyl, C1-C4alkyl halide, C1-C4alkoxy, C1-C4alkoxy halide or C1-C4alkylthio; X is nitrogen or CR , in which R is hydrogen or forms together with R a 3 to 4-membered alkylene or alkenylene chain in which a methylene group is substituted by oxygen; R is halogen, C1-C4alkyl, C1-C4alkyl halide, C1-C4alkoxy, C1-C4alkoxy halide or C1-C4alkylthio, or R is bound together with R into a 5 to 6-membered ring, as described above; R is a carbonyl group or a derivative of a carbonyl group; R is hydrogen, C1-C4alkyl, C3-C6alkenyl, C3-C6alkinyl, C3-C8cycloalkyl, C1-C4alkyl halide, C1-C4alkoxyalkyl, C1-C4alkylthioalkyl or phenyl; Y is sulphur or oxygen or a simple bond; Z is halogen.

    Derivatives of 3-hydroxycarboxylic acids, their preparation and use

    公开(公告)号:DE4335950A1

    公开(公告)日:1995-04-27

    申请号:DE4335950

    申请日:1993-10-21

    Applicant: BASF AG

    Abstract: Derivatives of 3-hydroxycarboxylic acids of the formula I in which the substituents have the following meaning: R is a CHO group, a CO2H group or a radical which can be hydrolysed to give CO2H, R is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio; X is nitrogen or CR , R being hydrogen or together with R forming a 3- to 4-membered alkylene or alkenylene chain in which one methylene group in each case is replaced by oxygen; R is halogen, alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio, or R is linked with R as indicated above to give a 5- or 6-membered ring; R is an optionally substituted alkyl, alkenyl or alkynyl group; a cycloalkyl or cycloalkenyl group which can contain an oxygen or sulphur atom and is optionally substituted; optionally substituted phenyl or naphthyl or an optionally substituted heteroaromatic; or R and R , together with the adjacent carbon atom, form a 3- to 8-membered ring which can contain an oxygen or sulphur atom and can carry 1 to 3 radicals; R is hydrogen, alkyl, alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl, haloalkyl, cycloalkyl, alkoxyalkyl, alkylthioalkyl or optionally substituted phenyl, or R is linked with R as indicated above to give a ring; Y is sulphur, oxygen or a single bond; R is the radicals mentioned for R and additionally an amino group -NR R or a radical ... Original abstract incomplete.

Patent Agency Ranking