Abstract: A process for preparing 4-dialkoxymethylpyrazoles of the formula I ##STR1## where R.sup.1 is n-alkyl,R.sup.2 is a hydrocarbon radical,R.sup.3 and R.sup.4 are each hydrogen, a hydrocarbon radical, cyano, halogen or alkoxycarbonyl,entails electrochemical oxidation of a 4-methylpyrazole of the formula II ##STR2## in the presence of an alkanol R.sup.1 --OH.

Abstract: Carboxanilides of the formula I where the substituents have the following meanings:R is substituted or unsubstituted alkyl, alkoxy, alkenyl, alkenyloxy, alkynyl, alkynyloxy, cycloalkyl, cycloalkenyl, cycloalkyloxy, cycloalkenyloxy or phenyl;A is one of the radicals A1 to A5 ##STR1## where R.sup.1 is hydrogen or alkyl;R.sup.2 is halogen or alkyl;R.sup.3 is alkyl or haloalkyl;n is 1 or 2,methods of manufacturing them, and agents containing them and their use for controlling harmful fungi.

Abstract: .alpha.-Arylacrylic acid derivatives of the formula I ##STR1## where the substituents have the following meanings: X C, NY CR.sup.4, N, O, SZ CR.sup.5, N, O, Sn 0 to 4R.sup.1 hydrogen, nitro, cyano, halogen; alkyl, alkoxy, halogenated alkyl, halogenated alkoxy or alkylthio, or, when n is 2, 3 or 4, two adjacent substituents R.sup.1 may together denote a 1,3-butadien-1,4-diyl group which may be substituted;R.sup.2 alkyl; halogenated alkyl, halogen, cyano, nitro, alkoxycarbonyl, dimethylamino, R.sup.2 additionally denotes hydrogen;R.sup.3 hydrogen; substituted or unsubstituted alkyl; a substituted or unsubstituted cyclic structure, which may contain, in addition to carbon atoms, one to three heteroatoms; or a substituted or unsubstituted aromatic system, which may contain, in addition to carbon atoms, one to four nitrogen atoms and one to three heteroatoms;R.sup.4, R.sup.

Abstract: 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.

Abstract: Substituted pyridine compounds of formula I ##STR1## and plant-tolerated acid addition salts and metal salt complexes thereof, and fungicides containing these compounds.

Abstract: Isoxazole- and isothiazole-5-carboxamides of the formula I ##STR1## where X is oxygen or sulfur, R.sup.1 is halogen, alkylthio, haloalkoxy, haloalkylthio, cyano, formyl, alkanoyl, alkoxycarbonyl, alkylaminocarbonyl, di-(C.sub.1 -C.sub.3)-alkylaminocarbonyl, cyclopropylaminocarbonyl, methylsulfonyl, trifluoromethylsulfonyl, unsubstituted or substituted phenoxy or phenylthio; R.sup.2 is formyl, haloformyl, 4,5-dihydro-2-oxazolyl, COOR.sup.5, COSR.sup.5 or CONR.sup.6 R.sup.7, and R.sup.3 to R.sup.7 have the meanings specified in the description, are suitable as herbicides.

Abstract: Azaporphyrin derivatives of the formula ##STR1## where R.sup.1 and R.sup.2 are each, independently of one another, hydrogen, unsubstituted or substituted C.sub.1 -C.sub.20 -alkyl, C.sub.5 -C.sub.7 -cycloalkyl or unsubstituted or substituted phenyl, or two adjacent R.sup.1 radicals form, together with the carbon atoms to which they are bonded, an unsaturated or aromatic 5- to 7-membered carbocyclic ring,X are each hydrogen or C.sub.1 -C.sub.4 -alkyl andp are each 1 or 2, andbiladienes of the formula ##STR2## where R.sup.1, R.sup.2, X and p each have the abovementioned meanings, m and n are each 0 or 1 and An.sup..crclbar. is an anion, as intermediates therefor, are used for preparing vinylogous porphyrin derivatives.