摘要:
Synergistic herbicidal compositions are provided, containing as active ingredients: (1) 3-(benzthiazol-2-yl)-1,3-dimethyl-urea of the formula ##STR1## and (2) 3-(5-n-butylsulphonyl-1,3,4-thiadiazol-2-yl)-1,3-dimethyl-urea of the formula ##STR2## alone or in admixture with a solid or liquid or liquefied gaseous diluent or carrier.
摘要:
Novel cyclic N-thiadiazolyl-(2)-carboxylic acid amide compounds of the formula: ##SPC1##WhereinR is alkyl, haloalkyl, alkylthio, alkylsulfonyl or alkoxy, andN is 1 or 2,Display strong herbicidal properties.
摘要:
Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
New 6-sec.-butyl-1,2,4-triazin-5(4H)-one compounds of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen, orR.sup.1 and R.sup.2 together represent alkylidene or substituted alkylidene of the formula: ##STR2## wherein R.sup.3 is hydrogen, alkyl or cycloalkyl, and R.sup.4 is alkyl, alkenyl, cycloalkyl, cycloalkenyl, aralkyl, aralkenyl, optionally substituted aryl or an optionally substituted heterocyclic radical, orR.sup.3 and R.sup.4 together with the carbon atom shown from a 5-membered to 7-membered ring, andY is sulfur, NH or NCH.sub.3 ;are outstandingly active herbicides.
摘要:
Novel 3-aryl-2-halothiopropionic acid compounds of the formula ##STR1## wherein X is chlorine or bromine,R.sup.1 is hydrogen, a salt-forming cation, an aliphatic radical or a substituted aliphatic radical wherein the substituent is halogen, haloalkyl, hydroxy, alkoxy, alkoxy-carbonyl or aryl,R.sup.2 is hydrogen, halogen or alkylR.sup.3 is hydrogen or alkyln is an integer from 0 to 3; andR.sup.4 is halogen, alkyl, haloalkyl or nitro and wherein the radical R.sup.4, when n is 2 or 3, may be the same or different,Are outstandingly effective herbicides, exhibiting particularly selective action.
摘要:
Halogenated 4-trifluoromethyl-4'-nitro-diphenyl-ether compounds of the formula ##STR1## in which R is halogen or methylthio, andX is hydrogen or chlorine,Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
A herbicidal composition containing as active ingredients(1) 4-amino-6-tert.-butyl-3-methylthio-1,2,4-triazin-5-one of the formula ##STR1## and (2) 2,6-dichloro-4-trifluoromethyl-4'-cyano-diphenyl ether of the formula ##STR2## preferably in a weight ratio from about 1:0.05 to 1:10. The composition can be used as a total herbicide or, at suitable levels of application, in growing crops as a selective herbicide against particularly resistant weeds.
摘要:
New (trifluoromethylphenoxy)-phenylureas of the formula: ##STR1## wherein R is hydrogen or methyl andn and m, which may be identical or different, are each 0, 1, 2, 3 or 4, but only n and m may be 0 if the trifluoromethyl group is in the 3-positionAnd have strong herbicidal properties.
摘要:
Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl;R.sup.2 is hydrogen or methyl;X.sup.1 is halogen; andX.sup.2 is hydrogen or halogen;Are outstandingly effective as herbicides, particularly as selective herbicides.
摘要:
Novel 1-alkylideneaminouracil compounds of the formula ##STR1## in which R.sup.1 is optionally substituted hydrocarbyl which may contain hetero-atoms.R.sup.2 is hydrogen or halogen; andR.sup.3 is hydrogen or alkyl; orR.sup.2 and R.sup.3 together represent a multi-membered methylene bridge which forms, with the two carbon atoms in the 5- and 6-position of the heterocyclic structure, a fused ring which is optionally substituted by alkyl.R.sup.4 is alkyl, cycloalkyl, cycloalkenyl, optionally substituted 5-membered or 6-membered heteroaryl with the hetero-atoms O, N or S; andR.sup.5 is hydrogen, alkyl or optionally substituted aryl; advantageously employ the selective herbicides in crops, e.g., in cotton or cereal crops.