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:
Phosphonic acid compounds I wherein Eth is optionally substituted 1,2-ethynediyl, ethanediyl or ethene-1,2-diyl; Y1 is oxygen or sulfur; Y2 is oxygen, sulfur or —N(R6)—; Y3 is oxygen, sulfur or —N(R7)—; R1, R2, R6 and R7 are hydrogen or optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heterocyclyl, or R1 and R2, R1 and R6, R2 and R7 together are optionally substituted 1,2-ethanediyl, 1,3-propylene, tetramethylene, pentamethylene or ethyleneoxyethylene, or R1 and R2 together are optionally substituted 1,2-phenylene; R3 is cyano, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy; R4 is hydrogen or halogen, and R5 is a heterocycle &PHgr;1 to &PHgr;22 as defined in the specification, their manufacture and intermediates therefore. The phosphonic acid compounds are effective against unwanted plants and act as desiccants and defoliants.
摘要:
2-Phenylpyridines I ##STR1## wherein X is a chemical bond, 1,2-ethynediyl or optionally substituted --(CH.sub.2).sub.1-3 --, --O--(CH.sub.2).sub.1-2 --, --s--(CH.sub.2).sub.1-2 --, --CH.sub.2 --O--CH.sub.2 --, --CH.sub.2 --S--CH.sub.2 -- or --CH.dbd.CH--;Y is oxygen or sulfur;Z.sup.1 is oxygen, sulfur or --N(R.sup.7)--;Z.sup.2 is oxygen, sulfur or --N(R.sup.8)--;R.sup.1, R.sup.2, R.sup.7 and R.sup.8 independently of one another are hydrogen, optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl, phenyl or heterocyclyl; orR.sup.1 and R.sup.2 or R.sup.7, or R.sup.2 and R.sup.8 together are optionally substituted --(CH.sub.2).sub.2-5 -- or --(CH.sub.2).sub.2 --O--(CH.sub.2).sub.2 --, orR.sup.1 and R.sup.2 together are optionally substituted 1,2-phenylene;R.sup.3 is cyano, halogen, alkyl, haloalkyl, alkoxy or haloalkoxy;R.sup.4 and R.sup.5 are hydrogen or halogen;R.sup.6 is halogen or haloalkyl;n is zero or one;and their salts are suitable for controlling undesirable vegetation and as desiccants or defoliants.
摘要:
Substituted 1-methyl-3-phenylpyrazoles I and their agriculturally useful acid addition salts ##STR1## where R.sup.1 =C.sub.1 -C.sub.4 -haloalkoxy or C.sub.1-C.sub.4 -haloalkylthio;R.sup.2 =halogen; R.sup.3 =F or Cl;R.sup.4 =CN, C.sub.1 -C.sub.4 -fluoroalkyl, C.sub.2 -C.sub.4 -fluoroalkenyl or --C(R.sup.5)(X-R.sup.6)(Y-R.sup.7);R.sup.5 =H or C.sub.1 -C.sub.4 -alkyl; X and Y=--O-- or --S--;R.sup.6, R.sup.7 =C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.4 -alkenyl, C.sub.3 -C.sub.4 -haloalkenyl or C.sub.3 -C.sub.4 -alkynyl;are used as herbicides; for the desiccation/defoliation of plants.
摘要:
Saccharincarboxylic acids and -carboxylic acid esters of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, alkyl, alkoxy, alkylthio, chlorine, cyano, alkylsulfonyl, nitro or trifluoromethyl;Z is hydrogen, alkyl, cycloalkyl, alkyl, aryl or aralkyl;R is H or C.sub.1 -C.sub.6 -alkyl,are prepared by reacting corresponding bromo- or iodo-substituted saccharin derivatives of the formula II ##STR2## where L, M and Z have the abovementioned meanings, or if Z.noteq.H, compounds of the formula III ##STR3## in the presence of a palladium, nickel, cobalt or rhodium transition metal catalyst and of a base with carbon monoxide and water or a C.sub.1 -C.sub.6 -alcohol under elevated pressure.
摘要:
Unsaturated cyclohexenone oxime ethers I ##STR1## (Q=H, alkylcarbonyl, benzoyl, alkali metal or alkaline earth metal ion, substituted or unsubstituted ammonium ion, phosphonium ion, sulfonium ion, sulfoxonium ion, an equivalent of a transition metal cation;W=--C.ident.C-- or --CH=CH--;R.sup.1 =substituted or unsubstituted cycloalkyl, cycloalkenyl or 6-membered heterocyclic group which has 1-2 oxygen and/or sulfur atoms and can be saturated or partially unsaturated; substituted or unsubstituted 5-membered saturated heterocycle with 1-2 oxygen and/or sulfur atoms; substituted or unsubstituted 5-membered heteroaromatic group with 1-2 nitrogen atoms and/or 1 oxygen or sulfur atom; substituted or unsubstituted phenyl, pyridyl or R.sup.9 -X-substituted alkyl with X=O, S, --SO--, --SO.sub.2 -- andR.sup.9 =alkyl, phenyl, 5/6-membered hetaryl with 1-3 hetero atoms;R.sup.2 =alkyl;R.sup.3 =H, alkyl;R.sup.4 =H, halogen, alkyl;R.sup.5 =H, alkyl;or R.sup.3 +R.sup.4, R.sup.3 +R.sup.5 or R.sup.4 +R.sup.5 together form C.sub.2 -C.sub.4 -alkylene or C.sub.2 -C.sub.4 -alkenylene;R.sup.6 =H, alkyl, unsubstituted or phenyl-substituted haloalkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, substituted or unsubstituted cycloalkyl or cycloalkenyl; substituted or unsubstituted phenyl or pyridyl) are suitable as herbicides.
摘要翻译:不饱和环己烯酮肟醚I(Q = H,烷基羰基,苯甲酰基,碱金属或碱土金属离子,取代或未取代的铵离子,鏻离子,锍离子,氧锍离子,当量的过渡金属阳离子; W = -C = C-或-CH = CH-; R 1 =具有1-2个氧和/或硫原子并且可以是饱和或部分不饱和的取代或未取代的环烷基,环烯基或6元杂环基;取代或未取代的5 具有1-2个氧和/或硫原子的饱和杂环;具有1-2个氮原子和/或1个氧或硫原子的取代或未取代的5元杂芳基;取代或未取代的苯基,吡啶基或R9-X取代的 具有X = O,S,-SO - , - SO 2 - 和R 9 =烷基的苯基,具有1-3个杂原子的5-6元杂芳基; R 2 =烷基; R 3 = H,烷基; R 4 = H,卤素 ,烷基; R5 = H,烷基或R3 + R4,R3 + R5或R4 + R5一起形成C 2 -C 4 - 亚烷基或C 2 -C 4 - 亚烯基; R 6 = H,烷基,未取代的或ph 烯基,烷氧基烷基,烷硫基烷基,取代或未取代的环烷基或环烯基; 取代或未取代的苯基或吡啶基)适合作为除草剂。
摘要:
Saccharin derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, alkyl, alkoxy, alkylthio, chlorine, cyano, methylsulfonyl, nitro or trifluoromethyl; Z is hydrogen, alkyl, cycloalkyl, alkenyl, alkynyl, acyl, or benzyl or phenyl which are unsubstituted or substituted by halogen or alkyl; J is a 2-linked, unsubstituted or substituted cyclohexane-1,3-dione ring, are described.