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    21.
    发明专利
    未知

    公开(公告)号：DD131369A5

    公开(公告)日：1978-06-21

    申请号：DD19929877

    申请日：1977-06-03

    Applicant: DEGUSSA

    Inventor： KLEEMANN AXEL ,  KLENK HERBERT ,  SCHWARZE WERNER

    IPC: C07C231/06 ,  C07C20060101 ,  C07C67/00 ,  C07C231/00 ,  C07C235/72 ,  C07C235/80 ,  C07C103/127

    Abstract: There are prepared alpha -ketocarboxylic acid amides of the formula (I) where R is hydrogen, R1 and R2 are the same or different, R1 is alkyl of 1 to 18 carbon atoms or haloalkyl, preferably chloroalkyl, of 1 to 18 carbon atoms, and R2 is hydrogen, alkyl of 1 to 18 carbon atoms or haloalkyl, preferably chloroalkyl, of 1 to 18 carbon atoms or together is a cycloalkyl group of 3 to 8 carbon atoms which can be substituted by one or more 1 to 5 carbon atom alkyl groups or by one or more halogen atoms, preferably chlorine atoms, with the proviso that when form a cycloalkyl group then R can also be alkyl of 1 to 5 carbon atoms. The process comprises saponifying an acyl cyanide of the formula (II) in which R, R1 and R2 are as defined above in an organic solvent or mixture of such solvents which is liquid and inert under the reaction conditions, first with gaseous hydrogen chloride and then treating with water at a temperature of about -70 DEG C. to about +70 DEG C. and then isolating the alpha -ketocarboxylic acid amide in conventional manner. Several of the cyclic alpha -ketocarboxylic acid amides are new compounds.

    PROCESS FOR PRODUCING 4-AMINO-6-TERT.BUTYL-3-MERCAPTO- 1,2,4-TRIAZIN-5-ONE
    25.
    发明专利
    PROCESS FOR PRODUCING 4-AMINO-6-TERT.BUTYL-3-MERCAPTO- 1,2,4-TRIAZIN-5-ONE 未知

    公开(公告)号：CA1148544A

    公开(公告)日：1983-06-21

    申请号：CA378552

    申请日：1981-05-28

    Applicant: DEGUSSA

    Inventor： KLEEMANNN AXEL ,  LEHMANN BERND ,  KLENK HERBERT

    IPC: C07D253/06 ,  C07D253/075

    Abstract: 4-Amino-6-tert.butyl-3-mercapto-1,2,4-triazin-5-one having the formula (I) is produced by reacting pivaloyl cyanide and isobutene in the presence of acetic acid and sulphuric acid, hydrolyzing the reaction mixture in the presence of water and reacting the formed trimethyl pyroracemic acid with thiocarbohydrizide. The triazinone is an important intermediate product in the synthesis of the known herbicide 4-amino-6-tert.butyl-3-methyl-mercapto-1,2,4-triazin-5-one.

    PROCESS FOR N-SUBSTITUTED AMIDES OF ALPHA-KETO-CARBOXYLIC ACIDS
    26.
    发明专利
    PROCESS FOR N-SUBSTITUTED AMIDES OF ALPHA-KETO-CARBOXYLIC ACIDS 未知

    公开(公告)号：HU179151B

    公开(公告)日：1982-08-28

    申请号：HUDE000969

    申请日：1978-07-21

    Applicant: DEGUSSA

    Inventor： KLEEMANN AXEL ,  KLENK HERBERT ,  OFFERMANNS HERIBERT ,  SCHERBERICH PAUL ,  SCHWARZE WERNER

    IPC: A01N25/00 ,  A01P3/00 ,  A01P13/00 ,  C07C67/00 ,  C07C231/00 ,  C07C231/06 ,  C07C231/08 ,  C07C235/72 ,  C07D307/54 ,  C07C102/08 ,  C07C103/34

    Abstract: Compounds are prepared of the formula (I) where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl group or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formula R-CO-CN (II) where R is as defined above with either (a) a tertiary alcohol of the formula HO-R'(III) in which R' is as defined above, or preferably (b) an alkene of the formula (IV) where R1 and R2 are the same or different and are hydrogen or an alkyl group and wherein R3 and R4 are the same or different and wherein the alkyl groups in each case can be 1 to 15 carbon atoms. Some of the compounds are new. They are useful as intermediates for synthesizing herbicides and can be used directly as fungicides.

    PROCESS FOR PRODUCING 1,2,4-TRIAZIN-5-ONE DERIVATIVES
    28.
    发明专利
    PROCESS FOR PRODUCING 1,2,4-TRIAZIN-5-ONE DERIVATIVES 未知

    公开(公告)号：HU175069B

    公开(公告)日：1980-05-28

    申请号：HUDE000970

    申请日：1978-07-21

    Applicant: DEGUSSA

    Inventor： KLENK HERBERT ,  SCHWARZE WERNER ,  LEUCHTENBERGER WOLFGANG

    IPC: C07D253/06 ,  A01N43/707 ,  C07D253/075

    Abstract: 1,2,4-triazin-5-one compounds of the general formula (I) (I) where R is are prepared by reacting a compound of general formula (II) (II) in which R is defined above with either (a) a tertiary alcohol of general formula (III) HO-R'(III) in which R' is a t-alkyl group having 4 to 18 carbon atoms, especially t-amyl or t-octyl or preferably t-butyl or (b) an alkene of general formula (IV) (IV) in which R1 and R2 are the same or different and are hydrogen or an alkyl group and R3 and R4 are the same or different and wherein the alkyl groups in each case can be 1 to 15 carbon atoms and wherein preferably R1 and R2 are hydrogen and R3 and R4 each are methyl to form an alpha -ketocarboxylic acid amide of general formula (V) (V) and this, in a given case after previous saponification to the free acid, condensed with thiocarbohydrazide to form a 1,2,4-triazin-5-one compound of general formula (VI) (VI) and then the mercapto group is methylated.

    29.
    发明专利
    未知

    公开(公告)号：DD137926A5

    公开(公告)日：1979-10-03

    申请号：DD20679378

    申请日：1978-07-18

    Applicant: DEGUSSA

    Inventor： KLEEMANN AXEL ,  KLENK HERBERT ,  OFFERMANN HERIBERT ,  SCHERBERICH PAUL ,  SCHWARZE WERNER

    IPC: A01N25/00 ,  A01P3/00 ,  A01P13/00 ,  C07C67/00 ,  C07C231/00 ,  C07C231/06 ,  C07C231/08 ,  C07C235/72 ,  C07D307/54 ,  C07C103/34

    Abstract: Compounds are prepared of the formula (I) where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl group or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formula R-CO-CN (II) where R is as defined above with either (a) a tertiary alcohol of the formula HO-R'(III) in which R' is as defined above, or preferably (b) an alkene of the formula (IV) where R1 and R2 are the same or different and are hydrogen or an alkyl group and wherein R3 and R4 are the same or different and wherein the alkyl groups in each case can be 1 to 15 carbon atoms. Some of the compounds are new. They are useful as intermediates for synthesizing herbicides and can be used directly as fungicides.

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