Abstract:
The invention relates to novel herbicidal compounds of the formula I or I' ##STR1## in which X is an oxygen or sulfur atom,R.sup.1 is H, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.6 -haloalkyl, (C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, (C.sub.1 -C.sub.6 -alkoxy)carbonyl, aryloxycarbonyl, (C.sub.1 -C.sub.6 -alkyl) aminocarbonyl, arylaminocarbonyl, phenyl, substituted phenyl or acyl,R.sup.2 is phenyl or substituted phenyl,R.sup.3 independently of other radicals R.sup.3 is H or C.sub.1 -C.sub.5 -alkyl andn is an integer from 0 to 6.The herbicides are suitable for selectively controlling harmful plants in cereal crops.
Abstract:
Heterocyclically substituted phenoxysulfonylureas, processes for the preparation thereof, and the use thereof as herbicides or plant growth regulators. Compounds of the formula I or the salts thereof ##STR1## where R.sup.1 is (C.sub.1 -C.sub.8)alkyl, (C.sub.2 -C.sub.8)alkenyl or (C.sub.2 -C.sub.8)alkynyl, these radicals being substituted by halogen, saturated or unsaturated (C.sub.1 -C.sub.6)alkoxy, (C.sub.1 -C.sub.6)alkylthio, -sulfinyl or -sulfonyl, (C.sub.1 -C.sub.6)alkoxycarbonyl, NO.sub.2, CN or phenyl; furthermore is (C.sub.2 -C.sub.8)alkenyl, (C.sub.2 -C.sub.8)alkynyl or (C.sub.3 -C.sub.8)cycloalkyl, which can be substituted by halogen or by alkoxy or alkylthio; (C.sub.5 -C.sub.8)cycloalkenyl, cyclopropylmethyl, epoxypropyl; furfuryl, tetrahydrofurfuryl or phenoxy (C.sub.1 -C.sub.4)alkyl, it being possible for the last three substituents mentioned to be substituted by halogen, alkyl or alkoxy; or phenyl which can be substituted by halogen, alkyl, alkoxy, NO.sub.2, CF.sub.3, CN or OCHF.sub.2 ; or, in the event that R.sup.2 is alkenyl, alkynyl, phenyl or phenoxy, each of which can be substituted as indicated below, alkylsulfonyl or alkylsulfinyl and n.noteq., R.sup.1 is also (C.sub.1 -C.sub.8)alkyl,R.sup.2 radicals independently of one another are (C.sub.1 -C.sub.8)-alkyl, (C.sub.2 -C.sub.8)alkenyl, (C.sub.2 -C.sub.8)alkynyl, phenyl, phenoxy, (C.sub.1 -C.sub.4)alkoxy, (C.sub.1 -C.sub.4)alkylthio, (C.sub.1 -C.sub.4)-alkoxycarbonyl, (C.sub.2 -C.sub.4)alkenyloxycarbonyl, (C.sub.2 - C.sub.4)alkynyloxycarbonyl, it being possible for all the abovementioned radicals to be substituted by halogen, (C.sub.1 -C.sub.4)alkoxy or (C.sub.1 -C.sub.4)alkylthio; furthermore halogen, NO.sub.2, (C.sub.1 -C.sub.4)alkylsulfonyl or (C.sub.1 -C.sub.4)alkylsulfinyl;n is 0, 1, 2 or 3; y is O or S;R.sup.3 is hydrogen, (C.sub.1 -C.sub.8)alkyl, (C.sub.2 -C.sub.8)alkenyl, (C.sub.3 -C.sub.8)-alkynyl or (C.sub.1 -C.sub.4)alkoxy;R.sup.4 is a heterocyclic radical of the formulae ##STR2## E is CH or N, G is O or CH.sub.2,R.sup.5 and R.sup.6 are hydrogen, halogen, alkyl, alkoxy or alkylthio, it being possible for the abovementioned alkyl-containing radicals to be substituted by halogen, alkoxy or alkylthio, furthermore a radical of the formula --NR.sup.12 R.sup.13, --OCHR.sup.7 --CO.sub.2 R.sup.12, cycloalkyl, alkenyl, alkynyl, alkenyloxy or alkynyloxy,R.sup.7 is hydrogen or alkyl; R.sup.8 is alkyl, --CHF.sub.2 or --CH.sub.2 CF;R.sup.9 and R.sup.10 are hydrogen, alkyl, alkoxy or halogen, R.sup.11 is hydrogen, alkyl, --CHF.sub.2 or CH.sub.2 CF.sub.3, and R.sup.12 and R.sup.13 are hydrogen, alkyl, alkenyl or alkynyl, have outstanding herbicidal and plant growth-regulating properties.
Abstract:
Compounds of the formula I, their stereoisomers or their salts ##STR1## wherein A denotes >C(R.sup.4).sub.2 or >C.dbd.C(R.sup.5).sub.2 ; R.sup.1 denotes H, an optionally substituted aliphatic or cycloaliphatic radical, forfuryl, tetrahydrofurfuryl or (substituted) phenyl; R.sup.2 denotes H, alkyl, alkenyl, alkynyl or alkoxy; R.sup.3 denotes a radical of the formulae ##STR2## X denotes O, S or NR.sup.12 and Y denotes O or S, possess excellent herbicidal and plant-growth regulating properties.
Abstract translation:式I化合物,其立体异构体或其盐其中A表示> C(R 4)2或> C = C(R 5)2; R 1表示H,任选取代的脂族或脂环族基,糠基,四氢糠基或(取代的)苯基; R2表示H,烷基,烯基,炔基或烷氧基; R 3表示式的基团,其中X表示O,S或NR 12,Y表示O或S,具有优异的除草和植物生长调节性质。
Abstract:
Compounds of the formula I or their salts ##STR1## wherein R.sup.1 and R.sup.2 denote H, halogen, alkyl, alkenyl, alkynyl or alkoxy, which can be substituted, or denote --(CH.sub.2).sub.n --COOR.sup.11 ;R.sup.3 denotes H, alkyl, alkenyl or alkynyl;R.sup.4 denotes a heterocyclic radical of the formulae ##STR2## where E is CH or N; X is O or S nd a, b, c, d, e in each case denote 0, 1 or 2, with the proviso that c+d+e.gtoreq.2, possess excellent herbicidal and plant growth-regulating properties.
Abstract:
Compounds of the formula ##STR1## exhibit, in the pre-emergence process and in the post-emergence process, a good herbicidal action against a number of dicotyledonous weeds, they are well tolerated in monocotyledonous crops, such as wheat, barley, rice, sorghum and maize, and are also selectively active in some dicotyledonous crops such as soy beans, groundnuts and the like.
Abstract:
Herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds (A2) glyphosate (salts) and related compounds such as sulfosate, (A3) imidazolinones such as imazethapyr, imazapyr, imazaquin, imazamox or their salts and (A4) herbicidal azoles from the group of the protoporphyrinogen oxidase inhibitors (PPO inhibitors) and (A5) the hydroxybenzonitriles and (B) herbicides from the group consisting of (B0) one or more structurally different herbicides from the abovementioned group (A), (B1) foliar- and soil-acting herbicides which are effective against monocotyledonous and dicotyledonous harmful plants, (B2) predominantly foliar-acting herbicides which are effective against dicotyledonous harmful plants, (B3) predominantly foliar-acting herbicides which are effective against monocotyledonous harmful plants, and (B4) foliar- and soil-acting herbicides which are effective against predominantly monocotyledonous harmful plants are suitable for controlling harmful plants in cotton which consists of tolerant or resistant mutants or transgenic cotton plants.
Abstract:
The invention related to an optically active compound of formula (I) or a salt thereof: wherein the various symbols are as defined in the description, to processes for their preparation, to compositions thereof, and to their use as herbicides or plant growth regulators. The invention also relates to novel intermediates of formula (III), (V) and (XIII) as defined in the description.
Abstract:
Herbicidal compositions comprising A) 2-[2-chloro-3-(2,2,2-trifluoroethoxymethyl)-4-methylsulfonylbenzoyl]cyclohexane-1,3-dione and B) at least one compound from the group consisting of ethoxysulfuron, flumetsulam, halosulfuron, imazamox, imazapyr, imazaquin, imazethapyr, metosulam, nicosulfuron, primisulfuron, prosulfuron, rimsulfuron, thifensulfuron-methyl, triflusulfuron, foramsulfuron, ametryne, atrazine, bromoxynil, cyanazine, diuron, hexazinone, metribuzin, pyridate, terbuthylazine, 2,4-D, clopyralid, dicamba, diflufenzopyr, fluoroxypyr, butylate, EPTC, fenoxaprop-P-ethyl, acetochlor, alachlor, dimethenamid, flufenacet, mefenacet, metolachlor, thenylchlor, S-metolachlor, fluthiacet-methyl, carfentrazone-ethyl, isoxaflutole, mesotrione, sulcotrione, 4-(4-trifluoromethyl-2-methylsulfonylbenzoyl)-5-hydroxy-1-methyl-3-methylpyrazole, glyphosate, pendimethalin, trifluralin, asulam, triaziflam, diflufenican and glufosinate-ammonium against monocotyledonous and/or dicotyledonous harmful plants are described. The activity of these compositions is superior to that of the herbicides applied individually.
Abstract:
What is described are herbicidal compositions comprising herbicidal compounds of the formula I and a compound which acts as safener. In the formula I, the symbols R1 to R4 denote hydrogen, halogen, alkyl and haloalkyl.
Abstract:
Suitable for controlling harmful plants in sugar beet crops composed of tolerant or resistant mutants or transgenic sugar beet plants are herbicide combinations (A)+(B), if appropriate in the presence of safeners, with an effective content of (A) broad-spectrum herbicides from the group (A1) glufosinate (salts) and related compounds, (A2) glyphosate (salts) and related compounds such as sulfosate and (A3) imidazolinones or their salts and (B) herbicides from the group consisting of (B0) one or more structurally different herbicides from the abovementioned group (A) or (B1) foliar- and predominantly soil-acting herbicides which are active against monocotyledonous and dicotyledonous harmful plants, or (B2) herbicides which are active predominantly against dicotyledonous harmful plants, and (B3) herbicides which are predominantly foliar-acting and which can be employed against monocotyledonous harmful plants, or (B4) herbicides which are both foliar- and soil-acting and which can be employed against monocotyledonous harmful plants, or of herbicides of more than one of groups (B0) to (B4), the sugar beet crops tolerating the herbicides (A) and (B) present in the combination, if appropriate in the presence of safeners. If appropriate, the combinations are also suitable for regulating the growth or else for controlling the yield or the constituents of sugar beet plants.