摘要:
Triazapentadienes of the formula ##STR1## in which R.sub.1, R.sub.2 and R.sub.3 are each hydrogen, halogen, C.sub.1 -C.sub.3 alkyl or trifluoromethyl, and R.sub.4 is C.sub.1 -C.sub.4 alkyl, processes for producing them and their use in controlling pests.
摘要:
N-Phenyl-triazolopyrimidinyl-sulfonamides of formula I ##STR1## wherein R.sub.1 is halogen, phenyl, O-phenyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, --OR.sub.8, --OR.sub.9, nitro, hydroxy, cyano, --SR.sub.6, --SOR.sub.6, --SO.sub.2 R.sub.6, --SR.sub.8, --SOR.sub.8, --SO.sub.2 R.sub.8, --SO.sub.3 R.sub.8, --SR.sub.9, --SOR.sub.9, --SO.sub.2 R.sub.9, --SO.sub.2 NR.sub.10 (R.sub.10), --SO.sub.3 R.sub.9, --COOR.sub.7, --CONHR.sub.9, --CONR.sub.9 (R.sub.9), formyl, ##STR2## --NH.sub.2, --NHR.sub.9 or --NR.sub.9 (R.sub.9); R.sub.2 and R.sub.4 independently of one another are hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, --COOR.sub.7 or --OR.sub.9 ;R.sub.3 is hydrogen or halogen;R.sub.5 is hydrogen, halogen, phenyl, O-phenyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, --OR.sub.8, --OR.sub.9, nitro, hydroxy, cyano, --SR.sub.6, --SOR.sub.6, --SO.sub.2 R.sub.6, --SR.sub.8, --SOR.sub.8, --SO.sub.3 R.sub.8, --SR.sub.9, --SOR.sub.9, --SO.sub.2 R.sub.9, --SO.sub.2 NR.sub.10 (R.sub.10), --SO.sub.3 R.sub.9, --COOR.sub.7, --CONHR.sub.9, --CONR.sub.9 (R.sub.9), formyl, ##STR3## --NH.sub.2, --NHR.sub.9 or --NR.sub.9 (R.sub.9); R.sub.6 is hydrogen, phenyl, benzyl, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 alkynyl, or C.sub.1 -C.sub.4 alkyl substituted by --OR.sub.9 ;R.sub.7 is C.sub.1 -C.sub.4 alkyl, C.sub.2 -C.sub.4 alkenyl, C.sub.2 -C.sub.4 alkynyl, phenyl or benzyl;R.sub.8 is C.sub.1 -C.sub.4 haloalkyl;R.sub.9 is C.sub.1 -C.sub.4 alkyl;R.sub.10 is hydrogen or C.sub.1 -C.sub.4 alkyl;X, Y and Z independently of one another are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, phenylthio, benzylthio, hydroxy, halogen, --OR.sub.8, --OR.sub.9, C.sub.1 -C.sub.4 alkyl substituted by --OR.sub.9, C.sub.1 -C.sub.4 alkyl substituted by --OR.sub.8, or --NH.sub.2, --NHR.sub.9, --NR.sub.9 (R.sub.9), C.sub.3 -C.sub.6 cycloalkyl, C.sub.3 -C.sub.6 cycloalkyl substituted by halogen, --OR.sub.8, --OR.sub.9, --SR.sub.8, --SR.sub.9 or by C.sub.1 -C.sub.4 alkyl, or X and Y together or Y and Z together form a C.sub.2 -C.sub.3 alkylene bridge which may be interrupted by oxygen or sulfur;with the proviso that at least one of the substituents X, Y and Z is C.sub.3 -C.sub.6 cycloalkyl or C.sub.3 -C.sub.6 cycloalkyl substituted by halogen, --OR.sub.8, --OR.sub.9, --SR.sub.8, --SR.sub.9 or by C.sub.1 -C.sub.4 alkyl, and the salts of those compounds, have good pre- and postemergent selective herbicidal and growth regulating properties.
摘要:
The present invention relates to the novel use of antidotes of formula I ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.6 cycloalkyl, and each of R.sup.2 and R.sup.3, independently of the other, is hydrogen, C.sub.1 -C.sub.3 alkyl, trifluoromethyl or cyclopropyl, with the proviso that only one of the symbols R.sup.2 and R.sup.3 may be hydrogen, for protecting cultivated plants from the phytotoxic action of herbicides. The invention relates also to novel compounds and the preparation thereof and to novel intermediates and the preparation thereof. The invention further relates to herbicidal compositions that contain a combination of herbicide and antidote and to corresponding methods of controlling weeds. Finally, the invention relates also to the seeds of cultivated plants protected by the treatment with the antidote.
摘要:
The invention relates to processes for the preparation of 6-substituted 2-(imidazolin-2-yl)-nicotinic acid derivatives that are distinguished by excellent herbicidal and plant growth-regulating properties, and to intermediates and processes for the preparation of the intermediates. The derivatives correspond to formula I ##STR1## in which R.sub.1 represents hydrogen or a salt, ester or amide radical,each of R.sub.2 and R.sub.3, independently of the other, represents C.sub.1 -C.sub.4 -alkyl or they together represent a C.sub.3 -C.sub.5 -alkylene radical,X represents hydrogen or methyl,Y represents hydrogen, halogen, alkyl, haloalkyl, hydroxyalkyl, alkoxy, alkylthio, phenoxy, nitro, cyano, alkylamino, phenyl, alkenyloxy or alkynyloxy, andZ represents a --CQ.sub.1 Q.sub.2 Q.sub.3 or --CQ.sub.1 Q.sub.4 Q.sub.5 radical in whichQ.sub.1 and Q.sub.2 each represents hydrogen or C.sub.1 -C.sub.4 -alkyl,Q.sub.3 represents C.sub.1 -C.sub.6 -alkoxy or phenoxy that is unsubstituted or substituted, or C.sub.3 -C.sub.6 -alkenyloxy or C.sub.3 -C.sub.6 -alkynyloxy andQ.sub.4 and Q.sub.5, together with the carbon atom to which they are bonded, represent a cycloalkyl, furyl, pyran, dioxan or dioxolan radical, orZ represents a 5- or 6-membered heterocyclic radical.
摘要:
This continuation-in-part is directed to novel pyridine compounds of formula I below have good selective herbicidal properties pre- and postemergence and also influence or inhibit plant growth. The compounds are of formula I ##STR1## wherein each of X, Y and Z independently of one another is hydrogen or a C.sub.1 -C.sub.4 alkyl group, or two adjacent substituents together also form a saturated or unsaturated 3- or 4-membered alkylene chain or alkenyl chain, each of which chains may in turn by substituted by one to four C.sub.1 -C.sub.4 alkyl groups and R is a C.sub.1 -C.sub.4 nitroalkyl group.
摘要:
This invention relates to new phenoxyphenylthioalkanecarboxylic acid derivatives with herbicidal and plant growth-regulating activity of the formula ##STR1## wherein A is hydrogen or C.sub.1 -C.sub.4 alkyl, B is a salt of a carboxylic-acid, an ester, a thioester, an amide or an imidoether thereof, X is hydrogen, halogen, cyano, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy, D is hydrogen, halogen, cyano or trifluoromethyl, E is halogen, cyano, nitro or trifluoromethyl and N is 0 or 1.
摘要:
There have been produced novel cyanoalkyl-phenylureas which have herbicidal activity and which exhibit good selectivity in various crops of cultivated plants. The novel cyanoalkyl-phenylureas correspond to the formula I defined herein ##STR1##
摘要:
The present invention relates to novel herbicidal and plant growth-inhibiting 2-substituted 5-phenoxyphenylphosphonic acid derivatives of the formula ##STR1## wherein each of R.sub.1 and R.sub.2 independently is hydroxyl, lower alkoxy, lower alkylthio, alkylamino, dialkylamino, chlorine, benzyloxy or benzylthio, X is halogen or a --CF.sub.3, --NO.sub.2, --CN, --CONH.sub.2 or --CSNH.sub.2 group, n is 0 to 3, and Y is --OH, halogen, NO.sub.2, --CN, NH.sub.2, --NHCO--R, --NHCOOR or --NH--SO.sub.2 --R, wherein R is an unsubstituted or halogenated lower alkyl radical. Preferred compounds are 2-nitro-5-(2'-chloro-4'-trifluoromethylphenoxy)-phenylphosphonic acid and the lower dialkyl esters thereof. The invention also relates to the production of the novel phosphonic acid derivatives, starting from a 3,4-dinitrodiphenyl ether and reacting it with a trialkylphosphite as first step. The invention further relates to herbicidal and plant growth-regulating compositions which contain one of the novel compounds as active component, and also to the use of these compounds and compositions for controlling weeds (also selectively), for inhibiting plant growth and desiccating parts of plants above the soil, as well as for totally destroying existing plant growth.
摘要:
Thiazoline derivatives of the formula ##STR1## wherein X is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl,R.sub.1 is C.sub.1 -C.sub.4 -alkyl, andR.sub.2 and R.sub.3 are each hydrogen or C.sub.1 -C.sub.4 -alkyl,Process for producing these thiazoline derivatives and their use in combating pests.
摘要:
Thiazolidine-derivatives of the formula ##STR1## wherein X is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl,R.sub.1, r.sub.3 and R.sub.4 are each hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sub.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy andR.sub.5 is C.sub.1 -C.sub.4 -alkyl,Process for producing these thiazolidine-derivatives and their use in combating pests.