Ube Industries, Inc.

Ikuo Shiraishi

Yuji Akiyoshi

Takaaki Abe

Takashi Hayama

Mikio Kojima

Katsumasa Harada

Akio Matsushita

Hiroshi Shiraishi

Kaoru Yamamoto

Takaaki Kuwata

Shohei Fukuda

Disclosed are a pyrimidine or triazine compound represented by the following formula (I): ##STR1## wherein R.sup.1 represents cyano group, a halogen atom, hydroxy group or --O--R.sup.7 where R.sup.7 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a halo-lower alkyl group or a cyano-lower alkyl group; R.sup.2 represents hydrogen atom or a lower alkyl group; R.sup.3 represents hydrogen atom or a lower alkyl group; R.sup.4 represents a 1-imidazolyl group, --NHSO.sub.2 --R.sup.8 where R.sup.8 represents a lower alkyl group or a phenyl group which may have a substituent, hydroxy group, a lower alkoxy group or a benzyloxy group when Z is nitrogen atom; or a 1-imidazolyl group, --NHSO.sub.2 --R.sup.8 where R.sup.8 has the same meaning as defined above, hydroxy group, OK, a lower alkoxy group which may have a substituent, a lower alkenyloxy group, a lower alkynyloxy group, a cycloalkoxy group which may have a substituent, a phenoxy group, a benzyloxy group, a lower alkylthio group, a phenylthio group or an alkylsulfonylamino group when Z is --CH.dbd. group; R.sup.5 represents a lower alkoxy group; R.sup.6 represents a lower alkoxy group or a lower alkyl group; X represents oxygen atom or sulfur atom; and Z represents nitrogen atom or --CH.dbd. group. processes for preparing the same and a herbicide containing the same as an active ingredient(s).

Triazine derivative, process for preparing the same and herbicide using

Disclosed are a 3-alkoxy-N-cyclolalkylsulfonylalkanoic amide compound represented by the formula (I): ##STR1## wherein R represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a halo-lower alkyl group or a cyano-lower alkyl group; X represents an oxygen atom or a sulfur atom; Z represents a --CH.dbd. group or a nitrogen atom; and n represents an integer of 2 to 9, a process for preparing the same and a herbicide containing the same as an active ingredient(s).

3-alkoxy-N-cycloalkylsulfonyalkanoic amide derivative and herbicide

Pyrimidine derivatives, process for preparing the same and herbicide

Disclosed are a sulfonamide compound represented by the following formula (I): ##STR1## wherein Y represents a lower akyl group, a lower alkenyl group, a lower alkynyl group, a halo-lower alkyl group, a cyano-lower alkyl group or --C(CH.sub.3).sub.2 (OR.sup.1) where R.sup.1 represents a lower akyl group, a lower alkenyl group, a lower alkynyl group, a halo-lower alkyl group or a cyano-lower alkyl group; Q represents a substituted or unsubstituted pyridyl group or --NR.sup.2 R.sup.3 where R.sup.2 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group; and R.sup.3 represents a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a phenyl group or a benzyl group; or R.sup.2 and R.sup.3 may be combined to form a cycloamino group; X represents an oxygen atom or a sulfur atom; and Z represents a nitrogen atom or --CH.dbd. group; processes for preparing the same and a herbicide containing the same as an active ingredient(s).

Sulfonamide derivative, process for preparing the same and herbicide

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Ube, Japan

Ikuo Shiraishi