Mitsubishi Petrochemical Company Limited

Kiyoshi Sugaya

Kazuhiko Konno

Atsushi Goh

Keiji Endo

Mitsuru Hikido

Norio Sasaki

Kouichi Araki

A 1,3,5-triazine derivative represented by the following formula (I) ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, independently from each other, represent a hydrogen atom or a group selected from the class consisting of linear or branched C.sub.1 -C.sub.6 alkyl groups, C.sub.2 -C.sub.6 alkenyl groups, C.sub.2 -C.sub.6 alkynyl groups, C.sub.1 -C.sub.6 alkyl groups substituted by C.sub.1 -C.sub.6 alkoxy or alkylthio, C.sub.3 -C.sub.6 cycloalkyl groups, a phenyl group unsubstituted or substituted by a substituent selected from halogen, nitro, cyano, lower alkyl, lower alkoxy, lower alkylthio and fluoro-substituted lower alkyl, C.sub.7 -C.sub.9 aralkyl groups unsubstituted or substituted by a substituent selected from halogen, nitro, cyano, lower alkyl, lower alkoxy, lower alkylthio and fluoro-substituted lower alkyl, and alkoxycarbonylmethyl groups having 1 to 6 carbon atoms in the alkoxy moiety; and Y represents a fluoro-substituted C.sub.1 -C.sub.3 alkyl group and a herbicidal use thereof.

Triazine derivatives, herbicidal composition containing them, and method

In the process for the production of a thiolcarbamate compound of the formula ##STR1## wherein R.sup.1 and R.sup.2 are as defined in claim, comprising reacting a tertiary halogen compound of the formula ##STR2## wherein X and R.sup.3 are as defined in claim, with a thiolcarbamic acid salt of the formula ##STR3## wherein M represents a member selected from the group consisting of the alkali metals, ammonium group and immonium group, in an aqueous reaction medium, in the presence of a strong base; the improvement wherein the reaction is carried out under conditions in which the reaction system is adjusted to a pH ranging from about 9 to about 13.

Process for the production of thiolcarbamate compounds

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Ami, Japan

Kiyoshi Sugaya