Abstract: The invention discloses compounds of formula I ##STR1## wherein X is oxygen or sulfur,R is hydrogen, chlorine or fluorine,R.sub.1 is fluorine, chlorine, bromine, cyano or methyl,R.sub.2 is halogen, C.sub.1-6 alkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkylcarbonyloxy, C.sub.3-6 cycloalkoxy, C.sub.3-6 alkynyloxy, C.sub.3-6 alkenyloxy, --COOH, --CO--R.sub.3, --CO--NR.sub.4 R.sub.5, --NR.sub.6 R.sub.7, C.sub.2-6 alkenyl, N-pyrrolyl, 2-oxo-3-tetrahydrofuranyl or isC.sub.1-6 alkyl substituted with halogen, COOH, --CO--R.sub.3, --CO--NR.sub.8 R.sub.9, .dbd.N--OH, .dbd.N--C.sub.1-4 alkoxy, --O--CO--R.sub.3 or --O--C.sub.2-3 alkylene-O--; or isC.sub.2-6 alkenyl substituted with halogen, COOH, --CO--R.sub.3, --CO--NR.sub.8 R.sub.9 or C.sub.1-4 alkoxy; or isC.sub.1-6 alkoxy substituted with cyano, --CO--R.sub.3, C.sub.1-4 alkoxy, C.sub.3-6 cycloalkyl, oxiranyl, orC.sub.1-4 alkoxy or halogen; or isC.sub.3-6 alkenyloxy substituted by C.sub.2-5 alkynyl;R.sub.3 is C.sub.1-6 alkyl, C.sub.1-6 haloalkyl, C.sub.1-6 cyanoalkyl, C.sub.

Abstract: This invention relates to novel 2-(2,4,5-substituted phenyl) hydantoin compounds, intermediates therefor, synthesis thereof, and the use of said compounds for combatting weeds.

Abstract: This invention described in this patent application relates to novel amides of the formula (I) ##STR1## wherein the substituents are as defined in the disclosure, intermediates for such amides, synthesis thereof and their use for the control of weeds.

Abstract: Arylaminocarbonyl compounds of the formula (I) ##STR1## wherein R.sub.2-6, X.sub.1, A and m are as defined in the disclosure, intermediates therefore, synthesis thereof, and the use of said compounds for the control of weeds are described.

Abstract: The invention provides 5-membered heteroaromatic compounds of formula IArN(Y)COCH.sub.2 Cl Iwherein Ar is a 5-membered heteroaromatic group comprising 1 or 2 heteroatoms selected from O, S and N and linked by a ring C-atom to the N-atom of the N(Y)COCH.sub.2 Cl group to which it is bound, whereby where Ar is pyrazolyl, said N(Y)COCH.sub.2 Cl group is in the 4-position,and Y is as specified in the description,the use of these compounds as herbicides, compositions for facilitating such use and the preparation of the chloroacetamides.

Abstract: The invention provides novel pyrimidine compounds substituted in the 5-position by a chloroacetylamino group which are useful as herbicides. Other objects of the invention are herbicidal compositions comprising such novel compounds and methods of combatting weeds with the aid of said novel compounds.

Abstract: The invention provides 6-(2-propenyloxy)-4-methyl-2-aminopyrimidine derivatives which are chlorinated or brominated in 2 or 3 position of the 2-propenyl moiety, e.g. 6-(2-chloro-2-propenyloxy)-4-methyl-2-n-hexylaminopyrimidine. The compounds are useful as herbicides and allow the control of undesired weeds in a crop locus.

Abstract: Pyrimidines having an amino group in the 2-position and a cyclopropylmethoxy group in the 4-position of the pyrimidine nucleus. Compounds according to the invention have valuable herbicidal activity, particularly after pre-emergence application in cotton and sunflower.

Abstract: The present invention concerns novel pyrimidinyl phosphoric and thiophosphoric esters. ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are substituents, e.g. alkyl,R.sub.4 is an amino or heterocyclic function andZ and Y are bridging functions, e.g. oxygen.The compounds are useful insecticides.

Abstract: The present invention concerns novel 4-hydroxypyrimidine derivatives of the formula: ##SPC1##Wherein R.sub.1 is a substituent, e.g., alkyl, R.sub.2 is hydrogen or a substituent, e.g., alkyl R.sub.3 is amino unsubstituted or substituted by alkyl, a nitrogen heterocycle, alkoxy or alkylthio, which are used as intermediates in the production of useful insecticides.