摘要:
The invention relates to novel 3-methyltetrahydrophthalimides of the formula I in which the substituents R.sub.1 is hydrogen or fluorine, R.sub.2 is halogen, X is O or S and R.sub.3 is C.sub.3 -C.sub.10 -alkenyl, C.sub.5 -C.sub.6 -cycloakly, C.sub.5 -C.sub.6 -cycloalkenyl, C.sub.3 -C.sub.10 -alkynyl, or C.sub.1 -C.sub.10 -alkyl which if desired, is mono- or poly-substituted by halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxycarbonyl, cyano, C.sub.1 -C.sub.4 -alkylthio or by C.sub.1 -C.sub.4 -alkylthiocarbonyl, to processes for their preparation, and to novel selective herbicidal compositions containing compounds of the formula I.
摘要:
Novel bicyclic triazole compounds of the formula I have an excellent herbicidal and plant-growth regulating action.The compounds correspond to the formula I ##STR1## wherein Q is hydrogen or halogen,T is halogen, andZ is a radical --XR or --COXR, in whichX is oxygen, sulfur or a radical --NR.sub.1 --,R is hydrogen, a C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl or C.sub.3 -C.sub.6 -alkynyl radical, which is unsubstituted or substituted by halogen, or is a radical --A--COXR.sub.1, in whichA is a C.sub.1 -C.sub.4 -alkylene bridge andR.sub.1 is hydrogen or C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.3 -C.sub.4 -alkenyl or C.sub.3 -C.sub.4 -alkynyl.
摘要:
5-(N-3,4,5,6-tetrahydrophthalimido)benzoic acid esters of formula I below have good selective herbicidal properties pre- and postemergence and also influence or inhibit plant growth.The novel compounds are of formula I ##STR1## wherein n is 0, 1, or 2,R is C.sub.1 -C.sub.3 alkyl,R.sub.1 is hydrogen or halogen,R.sub.2 is halogen,X is oxygen or sulfur,A is a straight chain or branched C.sub.1 -C.sub.4 alkylene bridge,Q is a 5- or 6-membered heterocycle which is bound through carbon or nitrogen and contains 1 to 3 hetero atoms and may further contain one or two carbonyl groups, which heterocycle may be fused to benzene rings and substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, nitro, cyano, C.sub.1 -C.sub.3 alkylamino or di(C.sub.1 -C.sub.3)alkylamino, or Q is C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.2 -C.sub.8 alkoxyalkyl, nitro or di(C.sub.1 -C.sub.4)alkylamino, or is a benzyloxy, phenoxy or phenylthio radical, each of which may be substituted in the phenyl nucleus by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, nitro, cyano, C.sub.1 -C.sub.3 alkylamino or di(C.sub.1 -C.sub.3)alkylamino, or, if X is sulfur, Q may also be a COOR.sub.3 radical, in whichR.sub.3 is C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkynyl or C.sub.3 -C.sub.7 cycloalkyl, each of which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.4 alkoxy.
摘要:
Novel derivatives of N-phenylmaleic acid imide and N-phenylsuccinimide have good pre- and post-emergence selective herbicidal properties and they influence plant growth. The compounds correspond to the formula I in which.vertline.: represents a single or double bond,R.sup.1 represents hydrogen or fluorine,R.sup.2 represents halogen,Y represents C.sub.1 -C.sub.8 -alkyl,Z represents hydrogen or C.sub.1 -C.sub.8 -alkyl, andA represents hydrogen or a group ##STR1## wherein R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 represent customary organic radicals and X represents oxygen, sulphur, SO, SO.sub.2, NH, alkylimino or alkenylimino.
摘要:
The invention relates to novel 4-methyltetrahydrophthalimides of the formula I ##STR1## in which the substituents R.sub.1, R.sub.2, R.sub.3 and X have the meanings explained in the text, to processes for their preparation, and to novel selective herbicidal compositions containing compounds of the formula I.
摘要:
Novel 5-(N-3,4,5,6-tetrahydrophthalimido)benzoic acid esters of formula I below have good selective herbicidal properties pre- and postemergence and also influence or inhibit plant growth.The novel compounds are of formula I ##STR1## wherein n is 0, 1 or 2,R is C.sub.1 -C.sub.3 alkyl,R.sub.1 is hydrogen or halogen,R.sub.2 is halogen,X is oxygen or sulfur,A is a straight chain or branched C.sub.1 -C.sub.4 alkylene bridge,Q is a 5- or 6-membered heterocycle which is bound through carbon or nitrogen and contains 1 to 3 hetero atoms and may further contain one or two carbonyl groups, which heterocycle may be fused to benzene rings and substituted by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, nitro, cyano, C.sub.1 -C.sub.3 alkylamino or di(C.sub.1 -C.sub.3)alkylamino, or Q is C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 alkylsulfonyl, C.sub.2 -C.sub.8 alkoxyalkyl, nitro or di(C.sub.1 -C.sub.4)alkylamino, or is a benzyloxy, phenoxy or phenylthio radical, each of which may be substituted in the phenyl nucleus by halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.3 haloalkyl, C.sub.1 -C.sub.3 alkoxy, C.sub.1 -C.sub.3 haloalkoxy, nitro, cyano, C.sub.1 -C.sub.3 alkylamino or di(C.sub.1 -C.sub.3)alkylamino, or, if X is sulfur, Q may also be a COOR.sub.3 radical, in which R.sub.3 is C.sub.1 -C.sub.20 alkyl, C.sub.3 -C.sub.6 alkenyl, C.sub.3 -C.sub.6 alkynyl or C.sub.3 -C.sub.7 cycloalkyl, each of which is unsubstituted or substituted by halogen or C.sub.1 -C.sub.4 alkoxy.
摘要:
Novel derivatives of N-phenylmaleic acid imide and N-phenylsuccinimide have good pre- and post-emergence selective herbicidal properties and they influence plant growth. The compounds correspond to the formula I ##STR1## in which .vertline.: represent a single or double bond,R.sup.1 represents hydrogen or fluorine,R.sup.2 represents halogen,Y represents C.sub.1 -C.sub.8 -alkyl,Z represents hydrogen or C.sub.1 -C.sub.8 -alkyl, andA represents hydrogen or a group ##STR2## wherein R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 represent customary organic radicals and X represents oxygen, sulphur, SO, SO.sub.2, NH, alkylimino or alkenylimino.
摘要:
Novel pyrazinyl sulfonamides of the formulaQ--SO.sub.2 --NH.sub.2wherein Q is a substituted pyrazine group are intermediates for the production of sulfonylureas and suflonylthioureas which are useful in controlling weeds or selectively influencing plant growth.
摘要:
The invention is concerned with new herbicidally active 4-phenoxy-.alpha.-phenoxy-alkanecarboxylic acid derivatives, especially propionic acid esters of the type ##STR1## bearing in the first phenoxy radical a nitro group besides another substituent R.sub.1 which is preferably a halogen atom, the CF.sub.3 group is lower alkyl, alkoxy or alkoxycarbonyl group. The invention is further concerned with herbicidal compositions containing such new derivatives and with methods for the selective control of grass-like weeds in crops of dicotyledonous and monocotyledonous cultivated plants such as cereals.
摘要:
Novel derivatives of N-phenyl-3,4,5,6-tetrahydrophthalimide of the formula I given below have good pre- and post-emergence, selective-herbicidal properties, and they furthermore regulate and inhibit plant growth. The compounds correspond to the formula I ##STR1## wherein R is C.sub.1 -C.sub.3 -alkyl,n is zero, one or two,R.sub.1 and R.sub.2 independently of one another are each hydrogen or halogen,R.sub.3 is hydrogen, cyano, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl or a radical --CH.sub.2 YR.sub.4,R.sub.4 is C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -alkenyl, C.sub.3 -C.sub.4 -alkynyl, C.sub.3 -C.sub.7 -cycloalkyl, benzyl or phenyl,Z is oxygen, or an oxime radical .dbd.N--O--Q, and the grouping --C(R.sub.3).dbd.Z can also be a ketal radical, andQ is hydrogen, a C.sub.1 -C.sub.10 -alkyl radical, a C.sub.3 -C.sub.8 -alkenyl radical or a C.sub.3 -C.sub.8 -alkynyl radical, a C.sub.3 -C.sub.7 -cycloalkyl or C.sub.3 -C.sub.7 -cycloalkenyl radical, a phenyl-C.sub.1 -C.sub.4 -alkyl group, a carbamoyl radical, a carbonic or thiocarbonic acid radical, a C.sub.1 -C.sub.4 -alkylsulfonyl radical, a metal ion or a quaternized ammonium ion.