摘要:
A process for preparing pyridyl-substituted N-phenylhydroxylamines by catalytic hydrogenation of the corresponding nitro compounds in the presence of an N-substituted morpholine compound and rearrangement of the hydroxylamine compounds obtained to pyridyl-4-fluoraniline compounds is described.
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:
2-Iminooxyphenylacetic acid derivatives ##STR1## where the substituents and the index have the following meanings: R.sup.1 is C(CO.sub.2 CH.sub.3).dbd.NOCH.sub.3 (Ia), C(CONHCH.sub.3).dbd.NOCH.sub.3 (Ib), C(CONH.sub.2).dbd.NOCH.sub.3 (Ic), C(CO.sub.2 CH.sub.3).dbd.CHOCH.sub.3 (Id) or C(CO.sub.2 CH.sub.3).dbd.CHCH.sub.3 (Ie);R.sup.2 is cyano, nitro, halogen, alkyl, haloalkyl or alkoxy;m is 0, 1 or 2;R.sup.3 is hydrogen, cyano, hydroxyl, halogen,alkyl, haloalkyl, alkoxyalkyl, alkoxy, haloalkoxy, alkylthio, cyclopropyl, alkenyl,unsubstituted or substituted aryloxyalkyl, benzyl or benzyloxy,R.sup.4 is hydrogen, cyano,unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl and hetaryl;unsubstituted or substituted alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, heterocyclyloxy, aryloxy and hetaryloxy;unsubstituted or substituted arylthio and hetarylthio;--Q--C(R.sup.5).dbd.N--Y.sup.1 --R.sup.6 or --Q--O--N.dbd.CR.sup.7 R.sup.8,R.sup.3 and R.sup.4 together with the carbon atom to which they are bonded are an unsubstituted or substituted four- to eight-membered ring which, besides carbon atoms, may contain one or two oxygen and/or sulfur atoms and/or NH and/or N(C.sub.1 -C.sub.4 -alkyl) groups;R.sup.3 and R.sup.4 not simultaneously being bonded to the carbon atom via hetero atoms;their salts, processes and intermediates for their preparation, and their use.
摘要:
Pyridyl phenyl and pyridyl benzyl ethers of the formula I ##STR1## and their salts and N-oxides where the substituent and indices have the following meanings:Q is C(CO.sub.2 CH.sub.3).dbd.CHCl.sub.3, C(CO.sub.2 CH.sub.3).dbd.CHOCH.sub.3, C(CONH.sub.2).dbd.NOCH.sub.3, C(CO.sub.2 CH.sub.3).dbd.NOCH.sub.3, C(CONHCH.sub.3).dbd.NOCH.sub.3 or N(OCH.sub.3)--CO.sub.2 CH.sub.3 ;n is 0 or 1;R.sup.1 is hydrogen or an organic radical linked via a carbon atom;R.sup.2 is hydrogen, cyano, halogen or an organic radical linked via a carbon, oxygen, sulfur or nitrogen atom;R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.2 -haloalkyl;x is 0, 1 or 2;R.sup.4 is cyano, nitro, halogen or an organic radical linked via a carbon, oxygen, sulfur or nitrogen atom;y is 0, 1, 2 or 3;R.sup.5 is cyano, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -alkoxy,processes and intermediates for their preparation and their use.
摘要:
Pyrimidyl phenyl and pyrimidyl benzyl ethers of the general formula I ##STR1## and their salts and N-oxides, where the substituents and indices have the following meanings:Q is (CO.sub.2 CH.sub.3).dbd.CHCH.sub.3, C(CO.sub.2 CH.sub.3).dbd.CHOCH.sub.3, C(CONHCH.sub.3).dbd.CHOCH.sub.3, C(CONH.sub.2).dbd.NOCH.sub.3, C(CONHCH.sub.3).dbd.NOCH.sub.3 or N(OCH.sub.3)--CO.sub.2 CH.sub.3 ;n is 0 or 1;R.sup.1 is hydrogen or an organic radical bonded via a carbon atom;R.sup.2 is hydrogen, cyano, halogen or an organic radical bonded via a carbon, oxygen, sulfur or nitrogen atom;R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.2 -haloalkyl;R.sup.4 is hydrogen, cyano, nitro, halogen or an organic radical bonded via a carbon, oxygen, sulfur or nitrogen atom;y is 0, 1, 2 or 3, it being possible for the radicals R.sup.5 to be different if y is 2 or 3;R.sup.5 is cyano, halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl or C.sub.1 -C.sub.4 -alkoxy, processes and intermediates for their preparation, and their use.
摘要:
A diphenyl ether of the formula I, ##STR1## or a salt or N-oxide thereof wherein Q is C(CO.sub.2 CH.sub.3).dbd.CHCH.sub.3, C(CONH.sub.2).dbd.CHOCH.sub.3, C(CO.sub.2 CH.sub.3).dbd.NOCH.sub.3, C(CONHCH.sub.3).dbd.NOCH.sub.3 or N(OCH.sub.3)--CO.sub.2 CH.sub.3 ;n is 0 or 1;R.sup.1 is hydrogen or a carbon bonded organic radical;R.sup.2 is hydrogen or an organic radical bonded via C, O, S or N;x is 0, 1 or 2;R.sup.3 is cyano, nitro, halogen or an organic radical bonded via C, O, S or N; ory is 0, 1, 2 or 3;R.sup.4 is cyano, halogen, alkyl, haloalkyl or alkoxy,intermediates and processes for its preparation, and its use.
摘要:
Substituted thiopyridines of the general formula I where n is 1 or 2; R1 is chlorine, C1-C3-fluoroalkyl, nitro or methylsulfonyl; R2 is a C1-C10-alkyl, C2-C10-alkenyl or C2-C10-alkynyl radical, in each case unsubstituted or substituted by halogen, C1-C4-alkoxy, C1-C4-alkoxycarbonyl, di-(C1-C4-alkylamino) carbonyl, cyano or nitro, a C3-C8-cycloalkyl radical, or a C1-C4-alkylenephenyl, phenyl or naphthyl radical which is unsubstituted or substituted in the phenyl moiety by halogen, C1-C3-alkyl, C1-C3-alkoxy, trifluoromethyl, cyano or nitro.
摘要:
Substituted thiopyridines of the general formula I where n is 1 or 2; R1 is chlorine, C1-C3-fluoroalkyl, nitro or methylsulfonyl; R2 is a C1-C10-alkyl, C2-C10-alkenyl or C2-C10-alkynyl radical, in each case unsubstituted or substituted by halogen, C1-C4-alkoxy, C1-C4-alkoxycarbonyl, di-(C1-C4-alkylamino)carbonyl, cyano or nitro, a C3-C8-cycloalkyl radical, or a C1-C4-alkyl-enephenyl, phenyl or naphthyl radical which is unsubstituted or substituted in the phenyl moiety by halogen, C1-C3-alkyl, C1-C3-alkoxy, trifluoromethyl, cyano or nitro.
摘要:
A process for preparing substituted phenylpyridines of the formula I comprises reacting substituted pyridines of the formula II with an aryl compound of the formula III.