Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1

Abstract: An aromatic carboxylic acid bicyclic sulfur compound of the formula (II): wherein X1 is a C1 to C4 alkyl, a halogen, a C1 to C4 haloalkyl, a C2 to C4 alkoxyalkyl, a C1 to C4 alkoxy or a C1 to C4 haloalkoxy; X2 is a hydrogen, a C1 to C4 alkyl or a C1 to C4 haloalkyl, or X2 forms a bond with X5; X3 is a hydrogen, a C1 to C4 alkyl or a C1 to C4 haloalkyl; X4 is a hydrogen, a halogen, a C1 to C4 alkyl, a C1 to C4 haloalkyl or a C1 to C4 alkoxy; X5 forms a bond with X2 or X5 forms a bond with X7; each of X6 and X8 is independently a hydrogen or a C1 to C4 alkyl or forms a bond with X5; p is 1; and n is 0, 1 or 2; or a salt thereof.

Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1

Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1

Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1

Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1

Abstract: Disclosed are novel pyrazole derivatives which are free of phytotoxicity to corn and can control a broad range of cropland weeds at a low dosage and herbicides containing them, and the present invention provides pyrazole derivatives of the general formula (I), or salts thereof, 1

Abstract: The present invention relates to pyrazole derivatives of the formula (I), 1

Abstract: The present invention relates to pyrazole derivatives of the formula (I), wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, p and n are as defined on claim 1, or a salt thereof, and herbicides containing them as active ingredients.

Abstract: The present invention relates to pyrazole derivatives of the formula (I), ##STR1## wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, p and n are as defined on claim 1, or a salt thereof, and herbicides containing them as active ingredients.

Abstract: An aromatic carboxylic acid bicyclic sulfur compound of the following formula: ##STR1## wherein X.sup.1 is selected from the group consisting of C.sub.1 to C.sub.4 alkyl, halogen, C.sub.1 to C.sub.4 haloalkyl, C.sub.2 to C.sub.4 alkoxyalkyl, C.sub.1 to C.sub.4 alkoxy and C.sub.1 to C.sub.4 haloalkoxy; each of X.sup.2 and X.sup.3 is independently selected from the group consisting of hydrogen, C.sub.1 to C.sub.4 alkyl and C.sub.1 to C.sub.4 haloalkyl; X.sup.4 is selected from the group consisting of hydrogen, halogen, C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 haloalkyl and C.sub.1 to C.sub.4 alkoxy; each of X.sup.5, X.sup.6, X.sup.7 and X.sup.8 is independently hydrogen or C.sub.1 to C.sub.4 alkyl; the bond between X.sup.2 and X.sup.5 is saturated or unsaturated; the bond between X.sup.5 and X.sup.7 is saturated or unsaturated; p is an integer of 0 or 1; and n is an integer of 0, 1 or 2; or a salt thereof.

Abstract: The present invention relates to cyclohexanedione derivatives or salts thereof and herbicides containing the cyclohexanedione derivatives and/or salts thereof as active ingredients, the cyclohexanedione derivatives having the general formula (I). ##STR1## The cyclohexanedione derivatives or the salts thereof can selectively control a broad range of upland soil weeds at a low dosage without causing phytotoxicity on crops cultivated in upland fields such as corn, in both upland pre-emergence and post-emergence treatments.

Abstract: Novel pyrazole derivatives in which a thiochroman ring bonds to a pyrazole through carbonyl group and R1 is haloalkyl group in formula (I) exhibit excellent selectivity between crops and weeds in foliar treatment and soil treatment.

Abstract: Cyclohexanedione derivatives which can selectively control a broad range of upland soil weeds at a low dosage without causing phytotoxicity on crops cultivated in upland fields such as corn or salts thereof, and herbicides containing the cyclohexanedione derivatives and/or salts thereof as active ingredients, the cyclohexanedione derivatives having the general formula (I), ##STR1## wherein symbols are as defined in the specification.

Abstract: A bicyclic sulfur compound of the following formula: ##STR1## wherein X.sup.1 is selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen, C.sub.1 -C.sub.4 haloalkyl, C.sub.2 -C.sub.4 alkoxyalkyl, C.sub.1 -C.sub.4 alkoxy and C.sub.1 -C.sub.4 haloalkoxy; each of X.sup.2 and X.sup.3 is independently selected from the group consisting of hydrogen, C.sub.1 -C.sub.4 alkyl and C.sub.1 -C.sub.4 haloalkyl; X.sup.4 is selected from the group consisting of hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl and C.sub.1 -C.sub.4 alkoxy; each of X.sup.5, X.sup.6, X.sup.7 and X.sup.8 is independently hydrogen or C.sub.1 -C.sub.4 alkyl; or X.sup.2 and X.sup.5 can combine to form an unsaturated double bond; or X.sup.5 and X.sup.7 can combine to form an unsaturated bond; p is an integer of 0 or 1; and n is an integer of 0, 1 or 2; or a salt thereof.

Abstract: Pyrazole compounds of the formula (I) ##STR1## and the formula (XI), ##STR2## and the pyrazole compounds of the formula (I) exhibits selectivity to paddy rice and corn, and can control a wide range of paddy field and upland field weeds at a low dosage.

Abstract: Provided by the present invention is a herbicide composition containing, as active ingredients, a pyrazole derivative of the general formula (I) ##STR1## and at least one herbicide compound selected from the group consisting of chloroacetamide-containing herbicides, imidazoline-containing herbicides, atrazine, cyanazine, metribuzin, linuron, metobenzuron, bentazone, dicamba, chlopyralid, 2,4-D, bromoxynil, pendimethalin, nicosulfuron, rimsulfuron, primisulfuron and pyridate. The herbicide composition of the present invention can control a broad rage of gramineous weeds and broad-leaved weeds at a very low dosage without damaging corn and other crops.

Abstract: The present invention relates to pyrazole derivatives of the formula (I), ##STR1## wherein R.sup.1, R.sup.2, X.sup.1, X.sup.2, X.sup.3, X.sup.4, X.sup.5, X.sup.6, X.sup.7, X.sup.8, p and n are as defined on claim 1, or a salt thereof, and herbicides containing them as active ingredients.

Abstract: An aromatic carboxylic acid compound of the following formula: ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl group, each of X.sup.1 and X.sup.2 is independently a C.sub.1 -C.sub.4 alkyl group, m is an integer of 0 or 1, and n is an integer of 0, 1 or 2, or a salt thereof.

Abstract: Processes for producing a pyrazole compound by reacting a compound ##STR1## wherein R.sup.1 is a C.sub.1 -C.sub.6 alkyl, each of R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is hydrogen or a C.sub.1 -C.sub.4 alkyl, X.sup.1 is a C.sub.1 -C.sub.4 alkyl or a halogen, n is 1 to 3, and p.sup.1 is 0 to 2, with a compound ##STR2## wherein R.sup.6 is a C.sub.1 -C.sub.4 alkyl and R.sup.7 is hydrogen or a C.sub.1 -C.sub.4 alkyl, to form a pyrazole compound ##STR3## and optionally reacting the pyrazole compound (Ia) with a sulfonic acid halide of the formula Q.sup.2 X.sup.2 (IV)wherein Q.sup.2 is --SO.sub.2 --R.sup.8 or ##STR4## in which R.sup.8 is a C.sub.1 -C.sub.6 alkyl, Y is hydrogen, a C.sub.1 -C.sub.1 alkyl or a halogen, m.sup.1 is 1 to 3, and X.sup.2 is a halogen. Alternatively, the compound of the formula (II) is reacted with a halogenation agent to produce a compound which is reacted with a compound of the formula (III) to produce a compound which is heated to form a compound of the formula (Ia).