摘要:
Compounds of the formula (I) or salts thereof ##STR1## in which R.sup.1 -R.sup.4, W, A, n and m are as defined in claim 1, for example R.sup.1 and R.sup.2 are H, (substituted) alkyl, (substituted) alkenyl or alkynyl, (substituted) cycloalkyl, (substituted) aryl or acyl and A is (substituted) pyrimidinyl or triazinyl are suitable as selective sulfonylurea herbicides and plant growth regulators. (I) is prepared analogously to known processes via intermediates, some of which are novel, for example via suitably substituted pyridylsulfonamides (II) and N-tert-butylsulfonamides (VIII) as claimed in claim 5.
摘要:
Novel N-acylsulfonamides, novel mixtures of herbicides and antidotes, and their use Safeners against phytotoxic side effects of pesticides in crop plants are compounds of the formula (I) and salts thereof where R1 is hydrogen, a hydrocarbon radical, a hydrocarbonoxy radical, a hydrocarbonthio radical or a heterocyclyl radical, each of the last-mentioned 4 radicals being unsubstituted or substituted by one or more identical or different radicals selected from the group consisting of halogen, cyano, nitro, amino, hydroxyl, carboxyl, formyl, carboxamide, sulfonamide and radicals of the formula —Za—Ra R2 is hydrogen or (C1-C4)-alkyl or R1 and R2 together with the group of the formula —CO—N— are the radical of a 3- to 8-membered saturated or unsaturated ring and R3 to R5, n and m are as defined in claim 1. The compounds can be prepared by the process of claim 8.
摘要:
The present invention relates to compounds of the formula (I) and/or salts thereof where R1, R2, A, B, X and Y are as defined in claim 1. The compounds according to the invention are suitable for use as herbicides and plant growth regulators.
摘要:
The present invention relates to a compound of the formula (I) or salt thereof in which R1 is identical or different at each occurrence and is H, halogen, CN, nitro, SF5, (C1-C8)alkyl, (C2-C8)alkenyl, (C2-C8)alkynyl, (C1-C8)alkoxy, [(C1-C8)alkyl]-carbonyl or (C1-C8)alkylsulfonyl, each of the radicals being unsubstituted or substituted, or is S(O)p—R7, where p=0, 1 or 2 and R7 is (C1-C8)alkyl, (C1-C8)haloalkyl or NR8R9, where R8 and R9 independently of one another are identical or different and are H, (C1-C8)alkyl, (C2-C8)alkenyl, (C7-C10)arylalkyl, (C7-C10)alkylaryl or (C6-C10)aryl, each of the last-mentioned five radicals being unsubstituted or substituted, or is a group of the formula where R10 is (C1-C8)alkyl which is unsubstituted or substituted, and W=O or S, A is optionally substituted aryl or an optionally substituted heterocyclic radical, X is O or S, R2,R3,R4, and R5 are identical or different and are H, halogen, CN, (C1-C8)alkoxy or (C1-C8)alkyl, each of the two last-mentioned radicals being unsubstituted or substituted, m is 0 or 1, R6 is H, (C1-C8)alkyl, (C1-C8)alkoxy, (C2-C8)alkenyl or (C2-C8)alkynyl, each of the four last-mentioned radicals being unsubstituted or substituted, or is hydroxyl or an acyl radical, and B is an acyl radical, or B and R6 together form a 4- or 5-membered chain, with the exception of N-hydroxy-N-[(6-phenoxy-2-pyridyl)methyl]-acetamide and its salts. The compounds of the invention are suitable, for example, as herbicides and growth regulators.
摘要:
What is described are N-[pyrimidin-2-ylmethyl]carboxamides of the formula (I) and their use as herbicides. In this formula (I), X1 and X2 are hydrogen or methyl, R1 to R4 are various radicals and A is an aromatic or heteroaromatic ring.