摘要:
A process for preparing alkyl 2-alkyl-4-fluoromethylthiazolecarboxylates of the formula I ##STR1## where R.sup.1 is alkyl,R.sup.2 is difluoromethyl or trifluoromethyl andR.sup.3 is alkyl,by reacting thiocarboxamides of the formula II ##STR2## where R.sup.1 has the abovementioned meaning, with alkyl 2-chloro-4-fluoroacetoacetamides of the formula III ##STR3## where R.sup.2 and R.sup.3 have the abovementioned meanings, in an aprotic solvent at below 100.degree. C. and reacting with a dehydrating agent, in the presence of a base, at below 80.degree. C. is described.
摘要:
3-(3,4,5,6-tetrahydrophthalimido)cinnamic esters I ##STR1## (R.sup.1 =H, halogen; R.sup.2, R.sup.3 =halogen; R.sup.4 =C-organic radical, R.sup.5 =H, CH.sub.3) are prepared by reducing 3-nitrocinnamic esters II ##STR2## with hydrogen in the presence of a catalyst and condensing the resulting 3-aminocinnamic esters III ##STR3## with a 3,4,5,6-tetrahydrophthalic anhydride IV ##STR4## and are valuable active ingredients in crop protection.
摘要:
N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates of the general formula I ##STR1## where A is --NO.sub.2, --NH.sub.2 or ##STR2## corresponding to the compounds Ia, Ib and Ic, B is --CH.sub.2 --, --CH.sub.2 --CHR.sup.1 --, --CH.sub.2 --CHR.sup.1 --CH.sub.2 --, --CH.dbd., --CH.dbd.CR.sup.1 -- or --CH.dbd.CR.sup.1 --CH.dbd., R.sup.1 being --H, --Cl, --Br or --CH.sub.3, D is ##STR3## or .dbd.C
摘要:
N-aryltetrahydrophthalimide compounds of the general formula I ##STR1## where n, R.sup.1, Y, R.sup.2 and R.sup.3 have the meanings stated in the claims and description, and a method for controlling undesirable plant growth.
摘要:
Thiadiazabicyclononane derivatives of the formula I ##STR1## (R.sup.1 =H, F; R.sup.2 =halogen; R.sup.3 =H, C.sub.1 -C.sub.4 -alkyl; R.sup.4 =H, C.sub.1 -C.sub.8 -alkoxycarbonyl, C.sub.3 -C.sub.6 -alkenyloxycarbonyl or C.sub.3 -C.sub.5 -alkynyloxycarbonyl, and these 3 groups may additionally bear C.sub.1 -C.sub.4 -alkoxy; X, Y, Z=O,= S; a=C.sub.2 -C.sub.3 -alkylene chain which in addition to R.sup.4 may bear up to 3 identical or different radicals R.sup.5 : OH, COOH, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.6 -alkoxycarbonyl, and the last two radicals may in turn bear up to 5 halogen atoms or one of the following substituents; OH, CN, SH, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.3 -C.sub.6 -alkenyloxy, C.sub.3 -C.sub.6 -alkenylthio, C.sub.3 -C.sub.6 -alkynyloxy, C.sub.3 -C.sub.6 -alkynylthio, C.sub.1 -C.sub.6 -alkylcarbonyloxy, C.sub.1 -C.sub.6 -alkoxycarbonyl, C.sub.1 -C.sub.6 -alkoxycarbonyl-C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.6 -alkoxycarbonyl-C.sub.1 -C.sub.4 -alkylthio).These thiadiazabicyclononane derivatives are suitable for use as herbicides.
摘要:
Salicylic acid derivatives of the formula I ##STR1## where A is unsubstituted or substituted phenyl, an unsubstituted or substituted five-membered heteroaromatic structure having from two to four nitrogen atoms or having two nitrogen atoms and in addition a sulfur or oxygen atom, or unsubstituted or substituted naphthyl, n is 0, 1 or 2, X and Y are each nitrogen or a methine group and R.sup.1 to R.sup.4 have the meanings stated in the description, processes and intermediates for their preparation, and their use as herbicides and bioregulators.
摘要:
Salicylaldehyde derivatives and salicyclic acid derivatives of the formula I ##STR1## where A is an unsubstituted or substituted phenyl radical, an unsubstituted or substituted 5-membered heteroaromatic radical having from 2 to 4 nitrogen atoms or two nitrogen atoms and additionally one sulfur or oxygen atom or an unsubstituted or substituted thienyl, pyridyl, naphthyl, quinolyl, indazolyl or benzotriazolyl radical, X is oxygen or sulfur, and the radicals R.sup.1 and R.sup.4 have the means given in the specification, processes and intermediates for their production, and their use as herbicides and bioregulators.
摘要:
N-aryltetrahydrophthalimide compounds of the general formula I ##STR1## where n, R.sup.1, Y, R.sup.2 and R.sup.3 have the meanings stated in the claims and description, and a method for controlling undesirable plant growth.
摘要:
Aromatic carboxylic acid derivatives of the formula ##STR1## in which the radical ##STR2## is a substituted or unsubstituted quinoline, naphthalene, benzofuran, thiophene or pyridine radical,R.sup.1 is hydrogen, alkylidenaminoxy, unsubstituted or substituted cycloalkylidenaminoxy, succinyliminoxy, unsubstituted or substituted alkenyloxy, alkynyloxy, azolyl, alkylsulfonylamino, alkoxycarbonylalkyloxy, N-azolylalkyloxy, unsubstituted or substituted alkoxy, unsubstituted or substituted phenylalkoxy, hydroxyl or the radical O.sup..crclbar. M.sup..sym., M.sup..sym. being one equivalent of an alkali metal, alkaline earth metal or organic ammonium ion,R.sup.2 and R.sup.3 are alkyl, haloalkyl, alkoxy, haloalkoxy or alkylthio,X is oxygen or sulfur,Y and Z are nitrogen or the methine group, andR.sup.4 and R.sup.5 are hydrogen, halogen, alkyl, haloalkyl, nitro, alkoxy, unsubstituted or substituted alkenyloxy, acylamino, alkylamino, dialkylamino or arylamino, and their use for controlling the growth of unwanted plants.
摘要:
5-(N-3,4,5,6-Tetrahydrophthalimido)-cinnamic acid derivatives of the formula Ib ##STR1## where the substituents have the following meanings: Y is chlorine, bromine or C.sub.1 -C.sub.4 -alkyl;R.sup.1 is hydrogen, C.sub.1 -C.sub.8 -alkyl, substituted or unsubstituted C.sub.2 -C.sub.4 alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkynyl, or substituted or unsubstituted phenyl or benzyl,R.sup.2 is C.sub.5 -C.sub.8 -alkyl, substituted or unsubstituted C.sub.2 -C.sub.4 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkenyloxy, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -alkynyloxy, or substituted or unsubstituted phenyl, phenoxy, benzyl or benzyloxy,R.sub.3 C.sub.1 -C.sub.6 -alkyl, or substituted or unsubstituted C.sub.2 -C.sub.6 -alkyl,methods of manufacturing these compounds, and their use as herbicides.