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公开(公告)号:DE4417837A1
公开(公告)日:1995-11-23
申请号:DE4417837
申请日:1994-05-20
Applicant: BASF AG
Inventor: BUSSCHE-HUENNEFELD CHRISTOPH D , KLINTZ RALF DR , HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , SCHAEFER PETER DR , MUENSTER PETER DR , DITRICH KLAUS DR , KOENIG HARTMANN DR , WESTPHALEN KARL-OTTO DR , GERBER MATTHIAS DR , WALTER HELMUT DR
IPC: A01N43/48 , A01N43/50 , A01N43/56 , A01N43/84 , A01N53/00 , C07D231/18 , C07D231/20 , C07D401/12 , C07D403/12 , C07D405/10 , C07D405/12 , C07D409/10 , C07D409/12 , C07D411/10 , C07D413/12 , C07D413/14 , C07F9/6503 , C07D403/10 , C07D413/10
Abstract: Substituted 3-phenylpyrazoles of formula (I), where R is H, or a substituent; R is CN, CF3, halogen; R is H, alkyl, halogenalkyl; R is C1-C4 alkyl, C1-C4 halogenalkyl; R is H, NO2, halogen, -COOR, optionally substituted aminocarbonyl (where R is H, a substituent); and Z is -O-, -S-, -SO-, -SO2-; and agriculturally usable salts thereof, for use as herbicides.
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公开(公告)号:DE4238001A1
公开(公告)日:1994-07-21
申请号:DE4238001
申请日:1992-11-11
Applicant: BASF AG
Inventor: KLINTZ RALF DR , HEISTRACHER ELISABETH DR , SCHAEFER PETER DR , HAMPRECHT GERHARD DR , PLATH PETER DR , KARDORFF UWE DR , GERBER MATTHIAS DR , WESTPHALEN KARL-OTTO DR , WALTER HELMUT DR
IPC: A01N37/30 , A01N37/32 , A01N37/34 , A01N37/46 , A01N43/12 , A01N43/16 , A01N43/40 , A01N43/74 , C07C233/61 , C07C233/63 , C07C255/13 , C07C255/46 , C07D209/48 , C07D295/185 , C07D307/12 , C07D307/90 , C07D309/06 , C07D339/08 , C07D401/10 , C07D413/10 , C07D417/10 , C07C233/57 , A01N37/22 , A01N43/28 , C07D265/30 , C07D295/192 , C07D315/00 , C07D339/06
Abstract: Substd. cyclohexene-1,2-dicarboxylic acid derivs. of formula (I), and their salts are new. Where T = CONR1R2 or CN; R1, R2 = H; R, 3-6C alkenyl, or 3-6C alkynyl, all opt. substd. by 1-3 halo, CN, NH2, SH, OH, OR, RSO, RSO2, RCO, COOH, ROCO, RNH, (R)2N, RNHCO, (R)2NCO, (RO)(HO)PO, (RO)2PO, or Ar); or Ar' when R1 is H or R, R2 may also be OH, RO, 3-6C alkenyloxy, 3-6C alkynyloxy, 3-7C cycloalkoxy 5-7 cycloalkenyloxy, 1-6C haloalkoxy, 3-6C halo alkenyloxy, 3-7C cycloalkyl-1-6C alkoxy, RCOO, 1-6C cyanoalkoxy, etc.; NR1R2 = a 3-8 membered non-aromatic heterocycle contg. 1-3N atoms and/or one O or S atom and opt. 1-2 CO gps., the ring being opt. substd. by 1-3R; Ar = phenyl or a 3-8 membered heterocycle (contg. 1-4 heteroatoms selected from 1-4N, 1O or 1S) both opt. substd. on every substitutable atom by OH, halo, CN, NO2, CF3, R or RO; Ar' as Ar except that the heterocycle contains 1-4 heteroatoms selected from 1-4N, 1-20 and 1-2S, and only C-atoms may be substd. R = 1-6C alkyl; R3 = H or R; R4 = H or halo; R5 = H, halo, NO2, CN or CF3; R6 = a 3-8 membered heterocycle (contg. 1-4 heteroatoms selected from 1-4N, 1-2O and 1-2S, and in which 1-2 CH2 gps. are opt. replaced by CO), opt. C-substd. by R, 2-6C alkenyl, 2-6C alkynyl, RO, RS, 3-6C alkenyloxy, 3-6C alkynyloxy, 3-6C alkenylthio, 3-6C alkynylthio, ROCO, NO2, NH2, halo, 1-4C alkylamino, di(1-4C)alkylamino, CN, 1-6C cyanoalkyl, 1-6C haloalkyl or 1-6C haloalkyloxy; ACN, ACOB, OR9, C(O)R10, C(S)R10, C(NR16)R10, A = straight chain 2-4C alkenylene or 2-4C alkynylene, both opt. substd. by 1-2 halo, CN, R, 1-6C haloalkyl, OH, RO, RCOO, ROCO or RCO; B = H, R, 3-6C alkenyl, 3-6C alkynyl, 1-6C haloalkyl, 3-7C cycloalkyl, OR17, SR17, phenyl (opt. substd. by 1-3R, 2-6C alkenyl, halo, CN, NO2, 1-6C haloalkyl, RO or ROCO), 1-6C alkoxy-1-6C alkyl, di(1-6C alkoxy)-1-6C alkyl, 1-6C alkylthio-1-6C alkyl or NR18R19; R17 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-6C cycloalkyl, 1-6C haloalkyl, 1-6C cyanoalkyl, 3-6C haloalkenyl, ROCO, 1-6C alkoxy(1-6C)alkyl, 1-6C alkoxycarbonyl (1-6C) alkyl, 1-6C alkoxyimino(1-6C)alkyl, or phenyl (opt. substd. by 1-3 R, 2-6C alkenyl, halo, CN, NO2, 1-6C haloalkyl, RO or ROCO); R18, R19 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-6C cycloalkyl, 1-6C haloalkyl, RCO, ROCO, 1-6C alkoxy (1-6C)alkyl, or phenyl (opt. substd. by 1-3R, 3-6C alkenyl, halo, CN, NO2, RO or ROCO); R9 = 1-6C cyanoalkyl RQ, 1-6C haloalkyl, 3-6C haloalkenyl, 3-6C alkynyl, 3-6C haloalkynyl, 1-6 alkoxycarbonyl-2-6C alkyl, ROQOCOQ, 1-6C alkoxyimino (1-6C)alkyl, or phenyl, phenyl-Q, 3-8 membered heterocyclyl or heterocyclyl-Q (where the heterocycles contain 1-4 heteroatoms, etc.; R10 = H, CN, R, 3-6C alkenyl, 3-6C alkynyl, 1-6C haloalkyl, 3-7C cycloalkyl, ROCO, ROCOQ, or phenyl (opt. substd. by 1-3 halo, CN, NO2, R, 3-6C alkenyl, 1-6C haloalkyl, RO or ROCO); R16 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-7C cycloalkyl, 1-6C haloalkyl, phenyl (opt. substd. by 1-3R, halo, CN, 2-6C alkenyl, NO2, 1-6C haloalkyl, 1-6C alkoxy, or ROCO), ROQ, OH, RO, 3-6C alkenyloxy, 3-6C alkynyloxy, 5-7C cycloalkoxy, 5-7C cycloalkenyloxy, etc.; R5+R6 = an opt. unsatd. 3-5 membered carbon chain which opt. contains 1-2O, S, N, CO or 1-6C alkoximino gps. and which is opt. substd. by 1-2 CN, NO2, NH2, halo, R, 1-6C haloalkyl, 2-6C alkenyl, 2-6C alkynyl, 1-6C cyanoalkyl, RCOQ, phenyl-Q or 3-8 membered heterocyclyl-1-6C alkyl, where the heterocycle is opt. unsatd. and contains 1-4 heteroatoms selected from 1-4N, 1-20 and 1-2S; provided that when T is CONR1R2 then R9 is not 3-6C alkynyl and R16 is not 1-6C alkoxy, and when T is CN then R9 is not 1-6C haloalkoxy.
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公开(公告)号:DE4237984A1
公开(公告)日:1994-05-19
申请号:DE4237984
申请日:1992-11-11
Applicant: BASF AG
Inventor: HEISTRACHER ELISABETH DR , HAMPRECHT GERHARD DR , KLINTZ RALF DR , SCHAEFER PETER DR , KARDORFF UWE DR , WESTPHALEN KARL-OTTO DR , GERBER MATTHIAS DR , WALTER HELMUT DR
IPC: A01N37/46 , C07C205/56 , C07D209/48 , A01N37/32 , A01N37/36 , C07C229/42
Abstract: Described are substituted 3,4,5,6-tetrahydrophthalimides of formula (I) in which R = H or C1-C6 alkyl; R = H or halogen; R = H, halogen, NO2, CN, CH3, CH3 substituted with 1 to 3 halogen atoms, OCH3 or OCH3 substituted with 1 to 3 halogen atoms; R = halogen; R = H or C1-C6 alkyl; R = H, optionally substituted C1-C6 alkyl, C3-C6 alkenyl, C3-C6 alkinyl, C3-C6 cycloalkyl, di-(C1-C6-alkoxy)-C2-C6-alkyl, di-(C1-C6-alkylthio)-C2-C6-alkyl, C3-C6 haloalkenyl or optionally substituted phenyl or benzyl, as well as their salts, wherein R is not CH3 or C2-H5 when R is H or F and R is Cl and R is Cl or Br and R is H. Also described are methods of preparing compounds of formula (I) and their use.
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公开(公告)号:AT207467T
公开(公告)日:2001-11-15
申请号:AT96112856
申请日:1996-08-09
Applicant: BASF AG
Inventor: HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , KLINTZ RALF DR , SCHAEFER PETER DR , ZAGAR CYRILL DR
IPC: A01N43/56 , C07D213/64 , C07D213/73 , C07D213/74 , C07D213/77 , C07D401/04
Abstract: Trifluoromethylpyridines of formula (Ia) and (Ib) are new. In cpds. (Ia), R2a = CF3, and R2b = halo; in cpds. (Ib), R2a = halo, and R2b = CF3; R1 = NH2 or NHNH2; in (Ib), R1 may also be Cl or Br; R3 = 1-6Calkyl, 1-6Calkenyl or 1-6Calkynyl (all opt. substd. by 1-6 halo), 3-6C cycloalkyl (opt. substd. by 1-3 of 1-3C alkyl), 1-6C alkyl substd. by CN, COOH, 1-6C alkoxycarbonyl, 1-4C alkoxy-2-4C alkoxycarbonyl, CONH2, CONH-1-4C alkyl, CON(1-4C alkyl)2,CONH-2-4C alkenyl, CONH-3-4C alkynyl or CON(1-4C alkyl) (3-4C alkenyl or alkynyl); 2-6C alkyl substd. by 1-4C alkoxy or 3-6C-( alpha -alkylalkylidene)iminoxy, 3-oxetanyl, cyclopropylmethyl, 1-6C alkylamino, di(1-6C alkyl)amino; 1-6C alkylideneimino or alpha -(1-4C alkyl)-2-6C alkylideneimino; and halo = F, Cl, Br or I.
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公开(公告)号:AT202560T
公开(公告)日:2001-07-15
申请号:AT97118857
申请日:1993-04-20
Applicant: BASF AG
Inventor: KLINTZ RALF DR , HEISTRACHER ELISABETH DR , SCHAEFER PETER DR , HAMPRECHT GERHARD DR , PLATH PETER DR , KARDORFF UWE DR , GERBER MATTHIAS DR , WESTPHALEN KARL-OTTO DR , WALTER HELMUT DR
IPC: C07D317/30 , A01N37/30 , A01N37/32 , A01N37/34 , A01N37/46 , A01N43/08 , A01N43/12 , A01N43/16 , A01N43/18 , A01N43/28 , A01N43/32 , A01N43/38 , A01N43/40 , A01N43/74 , A01N43/78 , C07C233/57 , C07C233/60 , C07C233/61 , C07C233/62 , C07C233/63 , C07C237/42 , C07C251/48 , C07C251/60 , C07C255/13 , C07C255/24 , C07C255/42 , C07C255/46 , C07C255/58 , C07C271/62 , C07D209/48 , C07D295/185 , C07D307/12 , C07D307/90 , C07D309/06 , C07D335/02 , C07D339/06 , C07D339/08 , C07D401/10 , C07D413/06 , C07D413/10 , C07D417/06 , C07D417/10
Abstract: Substd. cyclohexene-1,2-dicarboxylic acid derivs. of formula (I), and their salts are new. Where T = CONR1R2 or CN; R1, R2 = H; R, 3-6C alkenyl, or 3-6C alkynyl, all opt. substd. by 1-3 halo, CN, NH2, SH, OH, OR, RSO, RSO2, RCO, COOH, ROCO, RNH, (R)2N, RNHCO, (R)2NCO, (RO)(HO)PO, (RO)2PO, or Ar); or Ar' when R1 is H or R, R2 may also be OH, RO, 3-6C alkenyloxy, 3-6C alkynyloxy, 3-7C cycloalkoxy 5-7 cycloalkenyloxy, 1-6C haloalkoxy, 3-6C halo alkenyloxy, 3-7C cycloalkyl-1-6C alkoxy, RCOO, 1-6C cyanoalkoxy, etc.; NR1R2 = a 3-8 membered non-aromatic heterocycle contg. 1-3N atoms and/or one O or S atom and opt. 1-2 CO gps., the ring being opt. substd. by 1-3R; Ar = phenyl or a 3-8 membered heterocycle (contg. 1-4 heteroatoms selected from 1-4N, 1O or 1S) both opt. substd. on every substitutable atom by OH, halo, CN, NO2, CF3, R or RO; Ar' as Ar except that the heterocycle contains 1-4 heteroatoms selected from 1-4N, 1-20 and 1-2S, and only C-atoms may be substd. R = 1-6C alkyl; R3 = H or R; R4 = H or halo; R5 = H, halo, NO2, CN or CF3; R6 = a 3-8 membered heterocycle (contg. 1-4 heteroatoms selected from 1-4N, 1-2O and 1-2S, and in which 1-2 CH2 gps. are opt. replaced by CO), opt. C-substd. by R, 2-6C alkenyl, 2-6C alkynyl, RO, RS, 3-6C alkenyloxy, 3-6C alkynyloxy, 3-6C alkenylthio, 3-6C alkynylthio, ROCO, NO2, NH2, halo, 1-4C alkylamino, di(1-4C)alkylamino, CN, 1-6C cyanoalkyl, 1-6C haloalkyl or 1-6C haloalkyloxy; ACN, ACOB, OR9, C(O)R10, C(S)R10, C(NR16)R10, A = straight chain 2-4C alkenylene or 2-4C alkynylene, both opt. substd. by 1-2 halo, CN, R, 1-6C haloalkyl, OH, RO, RCOO, ROCO or RCO; B = H, R, 3-6C alkenyl, 3-6C alkynyl, 1-6C haloalkyl, 3-7C cycloalkyl, OR17, SR17, phenyl (opt. substd. by 1-3R, 2-6C alkenyl, halo, CN, NO2, 1-6C haloalkyl, RO or ROCO), 1-6C alkoxy-1-6C alkyl, di(1-6C alkoxy)-1-6C alkyl, 1-6C alkylthio-1-6C alkyl or NR18R19; R17 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-6C cycloalkyl, 1-6C haloalkyl, 1-6C cyanoalkyl, 3-6C haloalkenyl, ROCO, 1-6C alkoxy(1-6C)alkyl, 1-6C alkoxycarbonyl (1-6C) alkyl, 1-6C alkoxyimino(1-6C)alkyl, or phenyl (opt. substd. by 1-3 R, 2-6C alkenyl, halo, CN, NO2, 1-6C haloalkyl, RO or ROCO); R18, R19 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-6C cycloalkyl, 1-6C haloalkyl, RCO, ROCO, 1-6C alkoxy (1-6C)alkyl, or phenyl (opt. substd. by 1-3R, 3-6C alkenyl, halo, CN, NO2, RO or ROCO); R9 = 1-6C cyanoalkyl RQ, 1-6C haloalkyl, 3-6C haloalkenyl, 3-6C alkynyl, 3-6C haloalkynyl, 1-6 alkoxycarbonyl-2-6C alkyl, ROQOCOQ, 1-6C alkoxyimino (1-6C)alkyl, or phenyl, phenyl-Q, 3-8 membered heterocyclyl or heterocyclyl-Q (where the heterocycles contain 1-4 heteroatoms, etc.; R10 = H, CN, R, 3-6C alkenyl, 3-6C alkynyl, 1-6C haloalkyl, 3-7C cycloalkyl, ROCO, ROCOQ, or phenyl (opt. substd. by 1-3 halo, CN, NO2, R, 3-6C alkenyl, 1-6C haloalkyl, RO or ROCO); R16 = H, R, 3-6C alkenyl, 3-6C alkynyl, 3-7C cycloalkyl, 1-6C haloalkyl, phenyl (opt. substd. by 1-3R, halo, CN, 2-6C alkenyl, NO2, 1-6C haloalkyl, 1-6C alkoxy, or ROCO), ROQ, OH, RO, 3-6C alkenyloxy, 3-6C alkynyloxy, 5-7C cycloalkoxy, 5-7C cycloalkenyloxy, etc.; R5+R6 = an opt. unsatd. 3-5 membered carbon chain which opt. contains 1-2O, S, N, CO or 1-6C alkoximino gps. and which is opt. substd. by 1-2 CN, NO2, NH2, halo, R, 1-6C haloalkyl, 2-6C alkenyl, 2-6C alkynyl, 1-6C cyanoalkyl, RCOQ, phenyl-Q or 3-8 membered heterocyclyl-1-6C alkyl, where the heterocycle is opt. unsatd. and contains 1-4 heteroatoms selected from 1-4N, 1-20 and 1-2S; provided that when T is CONR1R2 then R9 is not 3-6C alkynyl and R16 is not 1-6C alkoxy, and when T is CN then R9 is not 1-6C haloalkoxy.
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公开(公告)号:CH689621A5
公开(公告)日:1999-07-15
申请号:CH144595
申请日:1995-05-17
Applicant: BASF AG
Inventor: KLINTZ RALF DR
IPC: A01N37/32 , A01N41/04 , A01N41/06 , A01N43/18 , A01N43/22 , A01N47/06 , A01N47/12 , A01N53/00 , C07C205/26 , C07C215/68 , C07D209/48 , C07D409/12 , A01N43/38 , C07C205/19
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公开(公告)号:CZ9703885A3
公开(公告)日:1998-07-15
申请号:CZ388597
申请日:1996-06-20
Applicant: BASF AG
Inventor: MENKE OLAF DR , KLINTZ RALF DR , HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , SCHAFER PETER DR , ZAGAR CYRILL DR , GOTZ NORBERT DR , WESTPHALEN KARL-OTTO DR , MISSLITZ ULF DR , WALTER HELMUT DR
IPC: A01N43/54 , C07C275/24 , C07C281/02 , C07C281/06 , C07D239/54 , C07D413/12 , C07D419/12
CPC classification number: C07D239/54 , A01N43/54 , C07C275/24 , C07C281/02 , C07C281/06
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公开(公告)号:DE19504188A1
公开(公告)日:1996-08-14
申请号:DE19504188
申请日:1995-02-09
Applicant: BASF AG
Inventor: KLINTZ RALF DR , SCHAEFER PETER DR , HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , BUSSCHE-HUENNEFELD CHRISTOPH D , GOETZ NORBERT DR , HARREUS ALBRECHT DR , WESTPHALEN KARL-OTTO DR , WALTER HELMUT DR , MISLITZ ULF DR
IPC: A01N25/02 , A01N25/08 , A01N25/12 , A01N25/34 , A01N43/54 , C07C237/18 , C07C255/59 , C07C255/60 , C07C275/42 , C07D239/54 , C07D239/56 , C07C253/30 , C07C273/18 , C07C275/40 , C07D239/46 , C07D405/12
Abstract: The invention concerns 3-(4-cyanophenyl)uracils of formula (I), wherein A = H, CH3, NH2; Y = -O-, -S-; R = H, halogen; R = H, halogen, C1-C6-alkyl, C1-C6-alkyl halide, C1-C6-alkylthio, C1-C6-alkylsulphenyl, C1-C6-alkylsulphonyl; R = H, halogen, C1-C6-alkyl; R = H, C1-C6-alkyl halide, C1-C6-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C6-alkinyl, (C1-C6-alkyl)carbonyl, (C3-C6-alkenyl)carbonyl, (C3-C6-alkinyl)carbonyl or alkylsulphonyl, each of the last-mentioned eight groups being able to carry one to three substituents: halogen, nitro, cyano, hydroxy, C3-C8-cycloalkyl, C1-C6-alkoxy, C3-C8-cycloalkoxy, C3-C6-alkenyloxy, C3-C6-alkinyloxy, C1-C6-alkoxy-C1-C6-alkoxy, C1-C6-alkylthio, C1-C6-alkylsulphenyl, C1-C6-alkylsulphonyl, C1-C6-alkylidene aminoxy, optionally substituted phenyl, phenoxy or phenylsulphonyl, an optionally substituted 3 to 7-member heterocyclyl or heterocyclyloxy group with one to three heteroatoms, -CO-XR , -OCO-XR or -N(R )R , wherein X = chemical bond, oxygen, sulphur or -N(R )-; R = H, C1-C6-alkyl, C3-C8-cycloalkyl, C3-C6-alkenyl, C3-C6-alkinyl, C1-C6-alkoxy-C1-C6-alkyl, (C1-C6-alkoxy)carbonyl-C1-C6-alkyl, optionally substituted phenyl or phenyl-C1-C6-alkyl; or X and R together equal a 3 to 7-member heterocyclic ring which is bonded via nitrogen, has one to three heteroatoms and can optionally carry one to three substituents; R = H, OH, C1-C6-alkyl, C3-C8-cycloalkyl or C1-C6-alkoxy, and the salts of I when A = hydrogen. The products are used as herbicides, for desiccating and defoliating plants.
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公开(公告)号:CZ9600021A3
公开(公告)日:1996-04-17
申请号:CZ2196
申请日:1994-07-11
Applicant: BASF AG
Inventor: SCHAEFER PETER DR , HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , KOENIG HARTMANN DR , KLINTZ RALF DR , MUENSTER PETER DR , RANG HARALD DR , WESTPHALEN KARL OTTO DR , GERBER MATTHIAS DR , WALTER HELMUT DR
IPC: A01N43/40 , A01N43/42 , A01N43/60 , A01N43/647 , A01N43/76 , A01N43/78 , A01N43/84 , A01N47/22 , C07D213/30 , C07D213/61 , C07D213/65 , C07D213/70 , C07D213/89 , C07D265/36 , C07D401/04 , C07D405/04 , C07D405/14 , C07D409/04 , C07D409/12 , C07D413/04 , C07D417/04
CPC classification number: C07D213/30 , C07D213/61 , C07D265/36 , C07D409/12
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公开(公告)号:CZ2196A3
公开(公告)日:1996-04-17
申请号:CZ2196
申请日:1994-07-11
Applicant: BASF AG
Inventor: SCHAEFER PETER DR , HAMPRECHT GERHARD DR , HEISTRACHER ELISABETH DR , KOENIG HARTMANN DR , KLINTZ RALF DR , MUENSTER PETER DR , RANG HARALD DR , WESTPHALEN KARL OTTO DR , GERBER MATTHIAS DR , WALTER HELMUT DR
IPC: A01N43/40 , A01N43/42 , A01N43/60 , A01N43/647 , A01N43/76 , A01N43/78 , A01N43/84 , A01N47/22 , C07D213/30 , C07D213/61 , C07D213/65 , C07D213/68 , C07D213/70 , C07D213/89 , C07D265/36 , C07D401/04 , C07D405/04 , C07D405/14 , C07D409/04 , C07D409/12 , C07D413/04 , C07D417/04
Abstract: PCT No. PCT/EP94/02264 Sec. 371 Date Jan. 11, 1996 Sec. 102(e) Date Jan. 11, 1996 PCT Filed Jul. 11, 1994 PCT Pub. No. WO95/02590 PCT Pub. Date Jan. 26, 1995A substituted 2-phenylpyridine of the formula I where Ar is and the N-oxides of I and the agriculturally utilizable salts of I where these exist. Use: herbicides; desiccation/defoliation of plants.
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