Sumitomo Chemical Company, Limited

Minoru Takano

Satoru Kizawa

Kazuo Saito

Masayuki Enomoto

Susumu Takemura

Hirofumi Mishima

Shinichi Kawamura

Takashi Komori

Mitsunori Hiratsuka

Kazuo Saitoh

Condensed heterocyclic compounds of general formula (I) wherein T is carbon or nitrogen; when T is carbon, then the bond between T and A is a double bond, the bond between A and Y is a single bond, and Y is oxygen, sulfur, or optionally substituted NH; or when T is nitrogen, then the bond between T and A is a single bond, the bond between A and Y is a double bond, and Y is nitrogen or optionally substituted CH; A is nitrogen or optionally substituted CH; R is hydrogen, halogen, alkyl, haloalkyl, hydroxymethyl, nitro, or cyano; R is hydrogen, halogen, alkyl, haloalkyl, hydroxymethyl, nitro, cyano, or the like; R is hydrogen, halogen, alkyl, haloalkyl, hydroxymethyl, nitro, cyano, or the like; R is hydrogen, halogen, alkyl, halo-alkyl, hydroxymethyl, nitro, or cyano; and Q is a saturated or unsaturated 5- or 6- membered heterocyclic ring containing one to four nitrogen atoms, or a saturated or unsaturated cyclopentylideneamino group containing one or two nitrogen heteroatoms and one oxygen or sulfur heteroatom.

Condensed heterocylic compounds and herbicides containing them

6-Hydroxy-5,6-dihydrouracil compound and herbicidal composition containing thereof

Process for producing 3-phenyluracil compounds

The present invention provides new pyrimidinone derivative encompassed by the formula: ##STR1## wherein, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7 and G are as defined in the specification. The pyrimidinone derivatives exhibit excellent herbicidal efficacy, therefore, the pyrimidinone derivatives can be used as an active ingredient for herbicidal compositions and can be utilized in herbicidal methods, which are also discussed.

Pyrimidinone derivatives

Novel compounds of the formula �1! are disclosed, wherein X is hydrogen, fluorine or chlorine; Y is fluorine, chlorine or bromine; R.sup.1 is hydrogen or C.sub.1 -C.sub.3 alkyl; and R.sup.2 and Q are various groups. Also disclosed are herbicidal compositions containing these compounds as active ingredients and methods for controlling unfavorable weeds by application of these compounds.

Epoxyphenol derivatives and herbicides containing them as active

There is disclosed an iminothiazoline derivative of the general formula: ##STR1## wherein R.sub.1 is (halo)alkyl, (halo)alkenyl, (halo)alkynyl or the like; R.sub.2 is (halo)alkyl, optionally substituted aryl, formyl, cyano or the like; R.sub.3 is hydrogen, (halo)alkyl or the like; and Q is a group of the particular general formula. Also disclosed are a herbicide containing a herbicidally effective amount of the iminothiazoline derivative and a method for controlling unfavorable weeds, which includes applying a herbicidally effective amount of the iminothiazoline derivative to an area where the unfavorable weeds grow or will grow.

Iminothiazoline derivatives and herbicides containing them as active

There are disclosed novel dihydrobenzofuran derivatives of the formula: ##STR1## wherein X, Y, Z and R.sup.2 are each as defined in the description. Also disclosed are a herbicidal composition containing a herbicidally effective amount of the compound (I) as an active ingredient and a method for exterminating unfavorable weeds by applying a herbicidally effective amount of the compound (I) to an area where the unfavorable weeds grow or will grow.

Dihydrobenzofuran derivatives, their production and use

There is disclosed a compound of the formula: ##STR1## wherein X is hydrogen or halogen; Y is halogen; Z is oxygen or sulfur; R.sup.1 is hydrogen or alkyl; and R.sup.2 is a group of the formula: ##STR2## wherein R.sup.3 and R.sup.4 are the same or different, and each is hydrogen, alkyl, cycloalkyl or benzyl, or the ends of R.sup.3 and R.sup.4 are connected together to be alkylene; or R.sup.2 is a group of the formula: ##STR3## wherein R.sup.5 and R.sup.6 are the same or different, and each is hydrogen or alkyl, or the ends of R.sup.5 and R.sup.6 are connected together to be alkylene, with the proviso that R.sup.2 is a group of the formula: ##STR4## when Z is oxygen, which is useful as a herbicide.

Tetrahydrophthalimide derivatives and their use as herbicides

There are disclosed novel dihydrobenzofuran derivatives of the formula: ##STR1## wherein A, X, Y, Z, R.sup.1 and R.sup.2 are each as defined in the description. Also disclosed are a herbicidal composition containing a herbicidally effective amount of the compound (I) as an active ingredient and a method for exterminating unfavorable weeds by applying a herbicidally effective amount of the compound (I) to an area where the unfavorable weeds grow or will grow.

Growing community of inventors

Kameoka, Japan

Minoru Takano