Abstract:
The invention concerns a process for preparing nitrobiphenylene of formula (I) wherein m stands for 1 or 2, R means halogen, R' or OR', R' being a C-organic group which can carry groups which are inert in the reaction conditions, n stands for 0, 1, 2 or 3 and, if n is 2 or 3, the R groups can also be different. According to the invention, a chloronitrobenzene of formula (II) is reacted in the presence of a palladium catalyst and a base in a solvent with a phenyl boric acid (IIIa), one of its alkyl esters of formula (IIIb), R meaning C1-C6 alkyl, or one of its anhydrides. The compounds (I) are suitable as initial products for biphenylamines which are in turn intermediate products for fungicidal plant-growth substances.
Abstract:
The invention relates to a method for producing 1-substituted 5- and/or 3-hydroxypyrazoles of formulas (I) and (II), wherein R1 represents C¿1?-C6-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, C3-C6-cycloalkyl or C1-C4-alkoxy, whereby these groups can be substituted by halogen, C1-C4-alkoxy, phenoxy, C1-C6-alkoxycarbonyl, C1-C6-alkylthiocarbonyl or a cyclic ring system with 3-14 ring atoms, by reacting a 3-alkoxyacrylic acid alkyl ester of formula (III), wherein R?2, R3¿ independently mean C¿1?-C6-alkyl or C3-C6-cycloalky, with a hydrazine of formula (IV), wherein R?1¿ has the above cited meaning, a) at a pH value of 6-11 to form 5-hydroxypyrazoles of formula (I), or b) at a pH value of 11-14 to form 3-hydroxypyrazoles of formula (II).
Abstract:
Disclosed is a method for the production of isoxazols of formula (I), wherein the substituents have the following meanings: R1 hydrogen, C¿1?-C6-alkyl, R?2¿ hydrogen, C¿1?-C6-alkyl, R?3, R4, R5¿ hydrogen, C¿1?-C6-alkyl or R?4 and R5¿ form a bond together, R6 a heterocylic ring, n 0, 1 or 2; including the production of an intermediate compound of formula (VI), whereby R?1, R3, R4 and R5¿ have the above-cited meanings, and subsequent halogenation, thiomethylation, oxidation and acylation to form compounds of formula (I). The invention further relates to novel intermediate products for the production of compounds of formula (I) and novel methods for the production of intermediate products.
Abstract:
The invention pertains to phenylcarbamates of formula (I), wherein X is a direct bond, O or NR ; Z is O, S or NR ; R is hydrogen, alkyl or alkyl halide; R is substituted methyl or optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl; R is optionally substituted alkyl, alkenyl or alkinyl; R is alkyl, alkenyl or alkinyl and, if X is NR , hydrogen also; R is hydrogen or optionally substituted alkyl, alkenyl, alkinyl, alkyl carbonyl or alkoxy carbonyl. The invention also pertains to methods for their preparation and agents containing them.
Abstract:
The invention relates to the use of 2-(N-phenylamino)pyrimidines of formula (I) wherein the substituents have the following meanings: R1, R3 represent, independently of each other, cyano, C¿1?-C8-alkyl, C2-C6-alkenyl, C2-C6-alkinyl, in which case the alkyl, alkenyl and alkinyl radicals can be substituted by cyano, halogen, C1-C4-alkoxy or C1-C4-alkoxycarbonyl; C3-C8-cycloalkyl or a group C(=NOR?x)Ry; and R2¿ represents halogen, C¿1?-C8-alkyl, C2-C6-alkenyl, C2-C6-alkinyl and the alkyl, alkenyl and alkinyl radicals can be substituted by cyano, halogen, C1-C4-alkoxy or C1-C4-alkoxycarbonyl; or R?1 and R2¿, together with the two carbon atoms with which they are bonded, form an anellated, partially unsaturated 4- to 8-membered ring which can be identically or differently substituted up to three times by C¿1?-C4-alkyl, halogen or C1-C4-alkoxycarbonyl, which can contain a carbonyl group and/or a double bond in addition to the multiple bond of the pyrimidine ring and/or which can be interrupted by O, S or N-(C1-C4-alkyl), the substituents R?4 to R8, Rx, Ry, Ra and Rb¿ having the meanings given in the description, as fungicides.
Abstract:
The invention concerns phenylcarbamates of formula (I) in which the substituents and the index have the following meanings: R = cyano, nitro, trifluoromethyl, halogen, alkyl or alkoxy; m = 0, 1 or 2; R = alkyl, alkenyl, alkinyl, cycloalkyl or cycloalkenyl and, if X stands for NR , additionally hydrogen; X is a direct bond, O or NR ; R = hydrogen, alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl; R = hydrogen, optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, cycloalkinyl, alkylcarbonyl or alkoxycarbonyl; R and R , independently of each other, stand for hydrogen, cyano, nitro, hydroxy, amino, halogen, optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, alkenyl, alkenyloxy, alkenylthio, alkenylamino, N-alkenyl-N-alkylamino, alkinyl, alkinyloxy, alkinylthio, alkinylamino, N-alkinyl-N-alkylamino, cycloalkyl, cycloalkyloxy, cycloalkylthio, cycloalkylamino, N-cycloalkyl-N-alkylamino, cycloalkenyl, cycloalkenyloxy, cycloalkenylthio, cycloalkenylamino, N-cycloalkenyl-N-alkylamino, heterocyclyl, heterocyclyloxy, heterocyclylthio, heterocyclylamino, N-heterocyclyl-N-alkylamino, aryl, aryloxy, arylthio, arylamino, N-aryl-N-alkylamino, hetaryl, hetaryloxy, hetarylthio, hetarylamino or N-heteraryl-N-alkylamino; and R is one of the groups mentioned under R or a CR =NOR group. The invention further concerns processes and intermediate products for preparing these substances and their use as pesticides and fungicides.
Abstract:
The invention relates to 4-(3-alkenyl-benzoyl)-pyrazoles of formula (I), wherein the variables can have the following meanings: R1, R2 = hydrogen, nitro, halogen, cyano, rhodano, alkyl, halogen alkane, alkoxyalkyl, alkenyl, alkinyl, -OR?6, -OCOR7¿, -OSO¿2R?7, -SH, -S(O)nR8, -SO2OR6, -SO2NR?6R9, -NR9SO¿2R?7 or -NR9COR7; R3¿ = hydrogen, halogen, alkyl, halogen alkane, alkoxy, alkenyl, alkinyl; R4, R5 = hydrogen, nitro, halogen, cyano, rhodano, alkyl, halogen alkane, cycloalkyl, alkenyl, cycloalkenyl, alkinyl, alkythio, halogen alkoxy, -COR10, -CO2R?10, -COSR10, -CONR10R11, -C(R12)=NR13¿, -PO(OR?10) (OR11¿); optionally substituted alkyl, heterocyclyl, heterocyclylalkyl, phenyl, phenylalkyl, hetaryl or hetarylalkyl; or R?4 and R5¿ together form an alkandiyl chain which can be substituted and/or interrupted by a heteroatom; Q = a substituted position 4 bonded pyrazole. The invention further relates to the salts thereof, which can be used in agriculture. The invention also relates to a method for the production of compounds of formula (I), to agents containing said compounds and to the use of said derivatives or agents containing said compounds to control undesired plants.
Abstract:
The invention relates to hydroximic acid halogenides of the formula (I) wherein the substituents have the following significance; X - NOCH3, CHOCH3 or CHCH3; Y - O or NH; R1 - halogen; R2 - optionally substituted alkyl, alkenyl, alkynyl, cycloalkyl or aryl; R3 - optionally substituted alkyl, alkoxyalkyl, cycloalkyl-alkyl, alkenyl and alkynyl and their salts. The invention also relates to a method for the production and use of said hydroximic acid halogenides.
Abstract:
The invention pertains to phenylcarbamates of formula (I), wherein X is a direct bond, O or NRa; Z is O, S or NRb; R1 is hydrogen, alkyl or alkyl halide; R2 is substituted methyl or optionally substituted alkyl, alkenyl, alkinyl or cycloalkyl; R3 is optionally substituted alkyl, alkenyl or alkinyl; R4 is alkyl, alkenyl or alkinyl and, if X is NRa, hydrogen also; R5 is hydrogen or optionally substituted alkyl, alkenyl, alkinyl, alkyl carbonyl or alkoxy carbonyl. The invention also pertains to methods for their preparation and agents containing them.