Abstract: Herbicidal compounds of formula (I) and salts thereof, where A is --N.dbd. or --CH.dbd.; X is --OH, --OR.sup.10, --SH, --SR.sup.10, --SCN, NH.sub.2, --NHacyl, --CH.sub.2 OH, --CH.sub.2 OR.sup.9 or --CN; R.sup.1 and R.sup.2, which may be the same or different, each represent alkyl, alkoxy, haloalkyl, haloalkoxy, halo, alkylamino or dialkylamino; R.sup.3 is --CN, --COOR.sup.5, --CONR.sup.6 R.sup.7, --CSNH.sub.2, --CHO, --CH.dbd.Z, --CH(Oalkyl).sub.2, --CH.sub.2 OH, --CH.sub.2 OR.sup.9, --COSR.sup.4a, --CS.sub.2 R.sup.4a, or a substituted or unsubstituted 5- or 6-membered heterocyclic group linked via a ring carbon atom which is between two ring heteroatoms; R.sup.4 and R.sup.4a, which may be the same or different, are each H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, aralkyl or heteroaryl group; R.sup.

Abstract: Herbicidal sulfonamides of the formula: ##STR1## and salts thereof, where: A represents a substituted or unsubstituted benzene ring, or a 5- or 6-membered substituted or unsubstituted heteroaromatic ring; Q is --O--, --S-- or a group --CXX'--; X and X', which may be the same or different, are each hydrogen, halogen, cyano, an optionally-substituted alkyl group, or a group --OR.sup.a, --SR.sup.a, or --COR.sup.b ; or one of X and X' represents hydroxy and the other is as defined above; or X and X' together represent .dbd.O or .dbd.S; R.sup.a is an optionally-substituted alkyl, aryl or acyl group; R.sup.b is an optionally-substituted alkyl or aryl group, or a group --OR.sup.c or --NR.sup.c R.sup.d ; R.sup.c and R.sup.d, which may be the same or different, are each hydrogen, or an optionally-substituted alkyl or aryl group; Y is nitrogen or a group CR.sup.9 ; R.sup.1 is an optionally-substituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl, heterocyclyl, benzoheterocyclyl or amino group; R.sup.

Abstract: Herbicidal haloacetic acid derivatives of the formula: ##STR1## and salts thereof, where: A is --N.dbd. or --CH.dbd.;X is halo;R.sup.1 and R.sup.2, which may be the same or different, each represent alkyl, alkoxy, haloalkyl, haloalkoxy, halo, alkylamino or dialkylamino;R.sup.3 is --CN, --COOR.sup.5, --CONR.sup.6 R.sup.7, --CSNH.sub.2, --CHO, --CH.dbd.Z, --CH(OAlkyl).sub.2, --CH.sub.2 OH, --CH.sub.2 OR.sup.9, or a substituted or unsubstituted 5- or 6-membered heterocyclic group linked via a ring carbon atom which is between two ring heteroatoms;R.sup.4 is H, or a substituted or unsubstituted alkyl, alkenyl, alkynyl, cycloalkyl, aryl or aralkyl group;with R.sup.5, R.sup.6, R.sup.7, R.sup.9,and Z as defined in the specification.

Abstract: Herbicidal compositions which comprise one or more compounds of the formula: ##STR1## or salts thereof, where: A is --CH.dbd. or --N.dbd.;R.sup.1 is alkyl, alkoxy, halo or --NR.sup.7 R.sup.8 ;R.sup.2 is alkyl or alkoxy;R.sup.3 is hydrogen, alkenyl or alkynyl, or substituted or unsubstituted alkyl, alkanoyl or alkoxycarbonyl;R.sup.4 is hydrogen or substituted or unsubstituted alkyl;R.sup.5 is halo or substituted or unsubstituted alkyl or aryl; andX is --CO.sub.2 R.sup.6, --CONR.sup.7 R.sup.8 or --CN;in which R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, each represent hydrogen, substituted or unsubstituted alkyl, or one of R.sup.7 and R.sup.8 represents substituted amino;in association with a suitable carrier and/or surface active agent, together with the compounds of formula I per se where R.sup.5 represents isopropyl, and/or X represents methoxycarbonyl, and salts thereof.

Abstract: The invention provides novel herbicidal sulphonanilides of the formula: ##STR1## where R.sup.1 -R.sup.8 have the meanings given in the specification, and salts thereof, processes for their preparation, and herbicidal compositions containing them.

Abstract: The invention provides certain herbicidal thiazolotriazole sulphonamides, processes for their preparation, and compositions containing them, the compounds being of the formula: ##STR1## where: R.sup.1 and R.sup.2, which may be the same or different, each represent hydrogen, hydroxy, halo, cyano, substituted or unsubstituted alkyl, alkoxy, alkenyloxy, alkynyloxy, aryl, aralkyl, heteroaryl or carbamoyl, or a group --COR.sup.a or --CO.sub.2 R.sup.a or where R.sup.a is hydrogen or alkyl; or R.sup.1 and R.sup.2 together represent an alkylene chain of 3 or 4 carbon atoms;R.sup.3 represents a substituted or unsubstituted aryl, heterocyclyl or benzheterocyclyl group; andR.sup.4 represents hydrogen, an alkali-metal atom, an ammonium group, a substituted or unsubstituted alkyl, alkenyl, alkynyl, acyl, alkoxycarbonyl or aralkyl group, a heterocyclic group, or a group of the formula: ##STR2## where R.sup.1 and R.sup.2 are as defined hereinbefore.

Abstract: Compounds of formula ##STR1## where Az is 1-imidazolyl or 1-(1,2,4-triazolyl); R.sup.1 is aryl or optionally substituted alkyl; R.sup.2 and R.sup.3, which may be the same or different, are hydrogen or alkyl or, together with the carbon to which they are attached, form a 5 to 7 membered ring which may contain one or more oxygen atoms and which may be substituted, or when Az is 1-(1,2,4-triazolyl) can together with the carbon to which they attached form a carbonyl group; R.sup.4 is aryl, substituted alkyl or aryloxy, or when R.sup.2 and R.sup.3 form an oxygen containing ring, can be hydrogen or unsubstituted alkyl; and n is 0, 1 or 2; together with acid addition salts, quaternary ammonium salts and complexes of these compounds with metal salts have fungicidal and plant growth regulant activity.

Abstract: 5-Benzofuranyl esters of the general formula ##STR1## wherein the substituents are as defined in the specification, possess physiological activity, particularly plant physiological activity and may be used as herbicides, plant growth regulants, fungicides, insecticides and anthelmintics.

Abstract: The invention provides herbicidally-active 2,3-dihydro-5-cyanobenzofurans of the formula: ##STR1## (wherein: R.sup.1 and R.sup.2 together represent .dbd.O or R.sup.1 represents hydrogen and R.sup.2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkylthiocarbonylamino, N-bonded heterocyclyl, cyano or alkylthio; R.sup.3 and R.sup.4 together represent alkylene or each represent hydrogen or alkyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them.

Abstract: The invention provides herbicidally-active 2,3-dihydro-5-cyanobenzofurans of the formula: ##STR1## (wherein: R.sup.1 and R.sup.2 together represent .dbd.O or R.sup.1 represents hydrogen and R.sup.2 represents hydrogen, hydroxy, alkoxy, acyloxy, alkoxycarbonyloxy, alkylthiocarbonyloxy, halogen, isothiocyanato, amino, alkylamino, dialkylamino, arylamino, acylamino, alkoxycarbonylamino, alkylthiocarbonylamino, N-bonded heterocyclyl, cyano or alkylthio; R.sup.3 and R.sup.4 together represent alkylene or each represent hydrogen or alkyl; and R.sup.5, R.sup.6 and R.sup.7, which may be the same or different, each represent hydrogen, halogen, alkyl, alkoxy, acyl or cyano), processes for their preparation and herbicidal compositions containing them.

Abstract: The invention provides herbicidally-active sulphonates of the formula ##STR1## wherein X represents a group --CHR.sup.3 --OR.sup.4 and Y represents a group --OR.sup.5, or X and Y together represent a group --CHR.sup.3 --O-- or a group --CHR.sup.3 --O--Z--O--, the free oxygen atom of which is attached to the benzene ring; R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each represent hydrogen or C 1 to 6 alkyl, or R.sup.1 and R.sup.2 together or R.sup.2 and R.sup.3 together form a C 3 to 6 alkylene chain; R.sup.4 and R.sup.5, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, C 2 to 6 alkenyl, C 2 to 6 alkynyl, phenyl, a group --C(.dbd.O)R.sup.10 or a group --SO.sub.2 R.sup.11 ; R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, halogen, cyano, C 2 to 6 carboxylic acyl, or C 1 to 4 alkoxy; R.sup.

Abstract: Pyrogallol is prepared by (A) reacting a halo compound of formula ##STR1## where X represents Br or I, R.sup.1 represents hydrogen, secondary or tertiary alkyl of up to 10 carbon atoms, carboxy or alkoxycarbonyl of 2-5 carbon atoms and R.sup.2 represents hydrogen or alkyl of 1-4 carbon atoms, with an alkali metal alkoxide of formula ROM where M represents an alkali metal and R represents alkyl of 1-4 carbon atoms, to replace each X by OR, and then (B) dealkylating each OR and each OR.sup.2 where R.sup.2 represents alkyl of 1-4 carbon atoms and removing the R.sup.1 group where this is not hydrogen.

Abstract: The invention provides herbicidally-active sulphonates of the formula ##STR1## wherein X represents a group --CHR.sup.3 --OR.sup.4 and Y represents a group --OR.sup.5, or X and Y together represent a group --CHR.sup.3 --O-- or a group --CHR.sup.3 --O--Z--O--, the free oxygen atom of which is attached to the benzene ring; R.sup.1, R.sup.2 and R.sup.3, which may be the same or different, each represent hydrogen or C 1 to 6 alkyl, or R.sup.1 and R.sup.2 together or R.sup.2 and R.sup.3 together form a C 3 to 6 alkylene chain; R.sup.4 and R.sup.5, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, C 2 to 6 alkenyl, C 2 to 6 alkynyl, phenyl, a group --O(.dbd.O)R.sup.10 or a group --SO.sub.2 R.sup.11 ; R.sup.6, R.sup.7 and R.sup.8, which may be the same or different, each represent hydrogen, C 1 to 6 alkyl, halogen, cyano, C 2 to 6 carboxylic acyl, or C 1 to 4 alkoxy; R.sup.

Abstract: 5-Benzofuranyl esters of the general formula ##STR1## wherein the substituents are as defined in the specification, possess physiological activity, particularly plant physiological activity and may be used as herbicides, plant growth regulants, fungicides, insecticides and anthelmintics.

Abstract: 5-Benzofuranyl esters of the general formula ##STR1## wherein the substituents are as defined in the specification, possess physiological activity, particularly plant physiological activity and may be used as herbicides, plant growth regulants, fungicides, insecticides and anthelmintics.