Sumitomo Chemical Company, Limited

Kazuo Saitoh

Mitsunori Hiratsuka

Naonori Hirata

Hideyuki Shibata

Masayuki Enomoto

Masaharu Sakaki

Satoru Kizawa

Minoru Takano

There is disclosed a herbicidal composition containing (a) 2-�4-chloro-2-fluoro-5-(n-pentyloxycarbonylmethoxy)phenyl!-4,5,6,7-tetrahy dro-2H-isoindole-1,3-dione and (b) at least one selected from the group consisting of N-(phosphonomethyl)glycine, (2-amino-4-methylphosphinobutyryl)alanylalanine, DL-homoalanin-4-yl(methyl)phosphinic acid and salts thereof. Also disclosed is a method for controlling undesired weeds by application of the herbicidal composition.

Herbicidal composition containing 2-(4-chloro-2-fluoro-5-(N-pentyloxy

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

A pyrimidine herbicide derivative having the formula, ##STR1## wherein A is C.sub.3 -C.sub.6 oxacycloalkyl, C.sub.3 -C.sub.6 oxacycloalkyl substituted with at least one member selected from the group consisting of C.sub.1 -C.sub.6 alkyl and halogen, C.sub.2 -C.sub.6 oxacycloalkyl C.sub.1 -C.sub.6 alkyl, C.sub.2 -C.sub.6 oxacycloalkyl C.sub.1 -C.sub.6 alkyl substituted with at least one member selected from the group consisting of C.sub.1 -C.sub.6 alkyl and halogen, C.sub.3 -C.sub.5 dioxacycloalykyl, C.sub.3 -C.sub.5 dioxacycloalkyl substituted with at least one member selected from the group consisting of C.sub.1 -C.sub.6 alkyl and halogen, C.sub.3 -C.sub.5 dioxacycloalkyl C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.5 dioxacycloalkyl C.sub.1 -C.sub.6 alkyl substituted with at least one member selected from the group consisting of C.sub.1 -C.sub.6 alkyl and halogen;

Pyrimidine derivatives

Herbicidal pyrimidine compound having the formula ##STR1## wherein the substitutents A, R.sup.1, R.sup.2, X, Y.sup.1, Y.sup.2, Y.sup.3 and Z are as herein below defined.

Herbicidal pyrimidine compounds, compositions containing the same and

Herbicidal pyrimidine compound having the formula ##STR1## wherein the substitutents A, R.sup.1, R.sup.2, X, Y.sup.1, Y.sup.2, Y.sup.3 and Z are as defined herein below.

The present invention relates to a pyrimidine derivative having the formula ##STR1## (wherein the variables are defined in the full text of the patent), a method for producing the same, and its use as a herbicide.

Pyrimidine derivative

A herbicidal pyrimidine derivative having the formula, ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, Y.sub.1, Y.sub.2, Y.sub.3, X and Z are defined as in the specification.

Growing community of inventors

Toyonaka, Japan

Kazuo Saitoh