Abstract: 2-[1′,2′,4′-Triazol-3′-yloxymethylene]anilides of the formula I where the index and the substituents have the following meanings: n is 0, 1, 2, 3 or 4; X is a direct bond, O or NRa; Ra is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl; R1 is nitro, cyano, halogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy or alkynyloxy; R2 is hydrogen, nitro, cyano, halogen, alkyl, haloalkyl, alkoxy, alkylthio or alkoxycarbonyl; R3 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl or heteroaryl; R4 is hydrogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylcarbonyl or alkoxycarbonyl; R5 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, processes and intermediates for their preparation and their use are described.

Abstract: A process for removing impurities from 3-(2′-acetoxyethyl)dihydro-2(3H)furanone (I), where the 3-(2′-acetoxyethyl)dihydro-2(3H)furanone containing the undesirable impurities is initially prepared in a manner known per se by acetylation of 3-(2′-hydroxyethyl)dihydro-2(3H)furanone and the resulting product is subsequently subjected to a distillation or rectification, includes carrying out the distillation or rectification in a plurality of steps, where high-boiling impurities are removed in a first step, the product which is drawn off via the top is subsequently subjected to at least one further step in which low-boilers and intermediate boilers are drawn off via the top and the desired pure I is obtained as bottom product.

Abstract: Compounds of formula I wherein n is 0, 1, 2, 3, or 4; R is nitro, cyano, halogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy or two adjacent radicals R form an optionally substituted three or four membered bridge; R1, R2 are C1-C4-alkyl; and R3 is a substituted pyrazole or triazole ring; their preparation and intermediates adapted therefore, and their use for controlling animal and fungal pests.

Abstract: Substituted 3-phenylpyrazoles of the formula I Salts thereof and use as herbicides.

Abstract: 2-[1′,2′,4′-Triazol-3′-yloxymethylene]anilides of the formula I where the index and the substituents have the following meanings: n is 0, 1, 2, 3, or 4; X is a direct bond, O or NRa; Ra is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl; R1 is nitro, cyano, halogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy or alkynyloxy; R2 is hydrogen, nitro, cyano, halogen, alkyl, haloalkyl, alkoxy, alkylthio or alkoxycarbonyl; R3 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, heteocyclyl, aryl or heteroaryl; R4 is hydrogen, unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, alkylcarbonyl or alkoxycarbonyl; R5 is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl or cycloalkenyl, processes and intermediates for their preparation and their use are described.

Abstract: A process for removing impurities from 3-(2′-acetoxyethyl)-dihydro-2(3H)-furanone (I), which comprises initially preparing the 3-(2′-acetoxyethyl)-dihydro-2(3H)-furanone containing the undesirable impurities in a manner known per se by acetylating 3-(2′-hydroxylethyl)-dihydro-2(3H)-furanone, subsequently treating it with strong mineral acids and finally removing the decomposition products of the undesirable impurities from I.

Abstract: Sulfur-containing 2-chloro-3-(4,5-dihydro-3-isoxazolyl)-benzoic acids of the formula I in which the substituents have the meanings given in the description are prepared as described.

Abstract: 2-[(Dihydro)pyrazol-3'-yloxymethylene]anilides of the formula I ##STR1## processes and intermediates for their preparation and their use as pesticides and fungicides.

Abstract: A process is described for preparing N-substituted 3-hydroxypyrazoles of the formula I ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or heteroaryl andR.sup.2, R.sup.3 are hydrogen, cyano, halogen and unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or heteroaryl,by oxidizing a corresponding pyrazolidin-3-one.

Abstract: There are described compounds of the general formula I ##STR1## where the index and the substituents have the following meanings: R is cyano, halogen, alkyl or alkoxy;n is 0, 1 or 2, it being possible for the substituents R to differ from each other if n is 2;Het is a 5-membered heteroaromatic ring having three nitrogen atoms or two nitrogen atoms and one oxygen or sulfur atom and having attached to it an unsubstituted or substituted 6-membered aromatic or heteroaromatic ring;processes for their preparation, and their use.

Abstract: (Het)aryloxy-, -thio- and -aminocrotonates of the formula I ##STR1## where the substituents have the following meanings: U is oxygen, sulfur or amino;V is oxygen, sulfur, amino or alkylamino;X, Y and Z independently of one another are .dbd.N-- or .dbd.CR.sup.3 --;R.sup.1 and R.sup.2 independently of one another are alkyl;R.sup.3 is hydrogen, cyano, nitro, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio and haloalkylthio; andR.sup.4 is an organic radical which is bonded to the skeleton directly or via an oxy, mercapto, amino, carboxyl or carbonylamino group,process for their preparation, and their use.

Abstract: Substituted 2-phenylpyridines I ##STR1## wherein all variables are as defined in the specification are used as herbicides and for the desiccation/defoliation of plants.

Abstract: There are described compounds of the general formula I ##STR1## in which the index and the substituents have the following meanings: n is 0, 1, 2, 3 or 4;R is nitro, cyano, halogen,unsubstituted or substituted alkyl, alkenyl, alkynyl, alkoxy, alkenyloxy, alkynyloxy orin the event that n is greater than 1 additionally an unsubstituted or substituted bridge which is bonded to two adjacent ring atoms;R.sup.1, R.sup.2 are alkyl;R.sup.3 is a substituted pyrazole ?sic! or triazole ?sic! radical of the formulae A.1 to A.3 ##STR2## where the bond marked .circle-solid. is the bond to the oxygen, processes for their preparation, and their use.

Abstract: Substituted 3-phenylpyrazoles of formula (I), where R.sup.1 is H, or a substituent; R.sup.2 is CN, CF.sub.3, halogen; R.sup.3 is H, alkyl, halogenalkyl; R.sup.4 is C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 halogenalkyl; R.sup.5 is H, NO.sub.2, halogen, --COOR, optionally substituted aminocarbonyl (where R is H, a substituent); and Z is --O--, --S--, --SO--, --SO.sub.2 --; and argriculturally usable salts thereof, for use as herbicides.

Abstract: N-substituted 3-hydroxypyrazoles of the formula I ##STR1## where R.sup.1 is unsubstituted or substituted alkyl, aryl or heteroaryl and R.sup.2, R.sup.3 is hydrogen, cyano, halogen or unsubstituted or substituted alkyl, aryl or heteroaryl, are prepared by oxidation of a corresponding pyrazolidin-3-one with atmospheric oxygen in the presence of a metal salt in an essentially pH-neutral medium.

Abstract: The invention concerns 2-?(dihydro)pyrazolyl-3'-oxymethylene!-anilides of formula (I) in which -- is a single or double bond and the subscripts and substituents are as follows: n 0, 1, 2, 3 or 4; m 0, 1 or 2; X a direct bond or CH.sub.2, oxygen or NR.sup.a, R.sup.a being hydrogen, alkyl, alkenyl, alkinyl, cycloalkyl or cycloalkenyl; R.sup.1 nitro, cyano, halogen or optionally substituted alkyl, alkenyl, alkinyl, alkoxy, alkenyloxy or alkinyloxy; R.sup.2 nitro, cyano, halogen, alkyl, haloalkyl, alkoxy, alkylthio or alkoxycarbonyl; R.sup.3 optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, heterocyclyl, aryl or heteroaryl; R.sup.4 hydrogen or optionally substituted alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, alkylcarbonyl or alkoxycarbonyl; R.sup.5 hydrogen, alkyl, alkenyl, alkinyl, cycloalkyl or cycloalkenyl. The invention also concerns methods of preparing such compounds, intermediates used in their preparation and their use.

Abstract: Pyrazol-4-ylbenzoyl compounds of the formula I ##STR1## where Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical, Q is a pyrazole ring and L and M are as defined in the specification, their use as herbicidal compounds and to processes for preparing the compounds.

Abstract: Herbicidally active phenyldiketone compounds of the formula I ##STR1## in which the substituents have the following meanings: L and M are hydrogen, 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.4 -alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C.sub.1 -C.sub.4 -alkoxy, or halogen, cyano, nitro, a group --(Y).sub.n --S(O).sub.m R.sup.7 or a group --(Y).sub.n --CO--R.sup.8,Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical which has one to three hetero atoms selected from the group consisting of oxygen, sulfur or nitrogen and which is unsubstituted or substituted by halogen, cyano, nitro, a group --CO--R.sup.8, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, di-C.sub.1 -C.sub.

Abstract: Cyclic acetals of the formula I ##STR1## where the substituents have the following meanings: R.sup.1 and R.sup.2 are hydrogen, unsubstituted or substituted alkyl or phenyl; additionally R.sup.1 and R.sup.2 together are an unsubstituted or substituted C.sub.2 -C.sub.6 -alkylene chain;Y is oxygen or sulfur;A has the meaning as given in claim 1;a process for preparing the acetals I and their use for the production of crop protection compositions are described.

Abstract: Substituted 2-phenylpyridines I ##STR1## where substituents have the meaning described in the specification and their use as herbicides; for the desiccation/defoliation of plants.