摘要:
2-(Benzaryl)pyridines I and salts thereof where n=zero, 1; R1=H, CN, NO2, NH2, OH, SH, SO2—OH, SO2—Cl, SO2—NH2, halogen, optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfonyl, alkylaminosulfonyl, dialkylaminosulfonyl; R2, R3=H, halogen; R4=CN, OH, halogen, alkoxy or optionally substituted benzyloxy; X=—Y—C(ZR5)═N— where the nitrogen is attached to &agr; or &bgr; and Y=—O—, —S—, —N(R6)—; Z=a chemical bond, —O—, —S—, —S(O)—, —SO2—, —N(R7)—; R5, R6, R7=H, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or 3- to 7-membered heterocyclyl; or R5=H, CN, SH, NH2, halogen, —CH2—CH(halogen)-R8, —CH═CH—R8 or —CH═C(halogen)-R8 (R8=COOH, alkoxycarbonyl, alkylthiocarbonyl, CONH2, alkylaminocarbonyl or dialkylaminocarbonyl), when Z=a chemical bond; or R5+R7=1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene. Use: as herbicides, desiccants or defoliants.
摘要:
3-phenylpyrazoles of formula I wherein R1 is cyano, alkyl or haloalkyl; R2 is cyano or is optionally halogenated alkyl, alkoxy, alkylthio, alkylsulfinyl or alkylsulfonyl; R3 is hydrogen, cyano, halogen, alkyl or haloalkyl; R4 is hydrogen or halogen; R5 is cyano, halogen, or is optionally halogenated alkyl or alkoxy; R6, R7 independently of one another are optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl or phenyl, optionally substituted alkylcarbonyl, alkoxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl or optionally halogenated alkylsulfonyl; X is a chemical bond, —C≡C—, —CH2—CH(R8)— or —CH═C(R8)—, wherein R8 is hydrogen, cyano, nitro, halogen, alkyl or haloalkyl; Y is oxygen or sulfur; their preparation and their use for controlling undesirable vegetation.
摘要:
A substituted 2-phenylpyridine of the formula I ##STR1## where Ar is ##STR2## and the N-oxides of I and the agriculturally utilizable salts of I where these exist. Use: herbicides; desiccation/defoliation of plants.
摘要:
Substituted 2-phenylpyridines I ##STR1## where n is 0, 1;R.sup.1 is halogen, C.sub.1 -C.sub.6 -haloalkyl;R.sup.2 and R.sup.3 are H, halogen;R.sup.4 is cyano, halogen;X and Y are --O--, --S--;R.sup.5 and R.sup.6 are H, C.sub.1 -C.sub.4 -alkyl or together are a 1,2-ethylene, 1,3-propylene, 1,4-tetramethylene or 1,5-pentamethylene chain;R.sup.7 is C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -haloalkenyl, C.sub.2 -C.sub.6 -alkenyloxy-C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyloxy-C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkadienyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.5 -C.sub.6 -cycloalkenyl, 3-oxetanyl, 3-thietanyl, phenyl, phenyl-C.sub.1 -C.sub.4 -alkyl or 5/6-membered heteroaryl having 1 to 3 hetero atoms selected from the group consisting of two oxygen atoms, two sulfur atoms and 3 nitrogen atoms, orR.sup.6 and R.sup.7 together are a 1,2-ethylene or 1,3-propylene chain which can have attached to it one or two C.sub.1 -C.sub.4 -alkyl substituents are used as herbicides and for the desiccation/defoliation of plants.
摘要:
Substituted N-phenylglutarimides I ##STR1## X.sup.1, X.sup.2 =O, S; R.sup.1 =halogen, NO.sub.2, CN, CF.sub.3 ; R.sup.2 =H, halogen; R.sup.3, R.sup.4, R.sup.5 =H, halogen, CN, alkyl, cyctoalkyl, alkenyl, alkynyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkyl-thio, cyanoalkyl, alkoxycarbonyl, unsubstituted or substituted phenyl or benzyl,or 2 substituents of a C atom or 2 substituents of adjacent C atoms of the glutarimide ring are bonded to one another via a chain which may be substituted; A=CHR.sup.6 --CHR.sup.7 --CO--B or CR.sup.6 .dbd.CR.sup.8 --CO--B; R.sup.6 =H, C.sub.1 -C.sub.6 -alkyl or C.sub.1 -C.sub.6 -haloalkyl; R.sup.7 =halogen, haloalkyl, OH, alkoxy or alkylcarbonyloxy; R.sup.8 =H, CN, alkyl, alkylcarbonyl, alkoxycarbonyl or B=H, alkyl, alkenyl, alkynyl, haloalkyl, cycloalkyl, alkoxy-alkyl, dialkoxyalkyl, alkylthioalkyl, alkoxy, alkylthio or amino, the last three radicals may be substituted, unsubstituted or functionalized; and plant-tolerable salts of I; their preparation and use as herbicides and desiccating/defoliating agents, and precursors for the preparation of the N-phenylglutarimides I.
摘要:
Isoxazole- and isothiazole-5-carboxamides of the formula ##STR1## where X is oxygen or sulfur, R.sup.1 is hydrogen, substituted or unsubstituted alkyl, cycloalkyl, cycloalkenyl, alkenyl (may be epoxidized at the double bond), alkynyl, alkoxy, a heterocyclic radical or phenyl, R.sup.2 is a derivative carboxylic acid function and R.sup.3 and R.sup.4 have the meanings given in the disclosure, and herbicidal agents containing compounds I.
摘要:
Dicarboximides of the formulae Ia, Ib and Ic ##STR1## where X is oxygen or sulfur,R.sup.1 is hydrogen, halogen, cyano, alkyl, cycloalkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy, alkylthio, haloalkoxy, haloalkylthio, alkylsulfonyl, haloalkylsulfonyl, phenyl, phenylalkyl, phenoxy or phenylthio, a 5-membered or 6-membered saturated or aromatic heterocyclic radical containing one or two hetero atoms selected from the group consisting of oxygen, sulfur and nitrogen, where the stated organic radicals may be further substituted, andR.sup.2 is hydrogen, hydroxyl, alkoxy, alkyl, cycloalkyl, alkenyl, alkynyl, di-C.sub.1 -C.sub.4 - alkylamino, a 5-membered or 6-membered heterocyclic saturated or aromatic radical having one or two hetero atoms selected from the group consisting of oxygen, sulfur and nitrogen, phenyl or naphthyl, where the stated organic radicals may be further substituted,and plant-tolerated salts of the dicarboximides I, except for 3-methylisoxazole-4,5-dicarboximide and thiazole-4,5-dicarboximides in which R.sup.2 is phenyl when R.sup.1 is methyl or 2-thiazolyl,and herbicides containing these compounds.