Ube Industries, Inc.

Sankyo Company, Limited

Kazuto Nakagami

Katsutoshi Fujii

Mikio Kojima

Takeo Honda

Shinji Yokoi

Shigeki Nagai

Kiroku Oda

Kenji Nishimura

Takashi Kobayashi

Ryuji Kobayashi

Tokio Obata

Yuji Akiyoshi

Hideakira Tsuji

Shinjiro Yamamoto

Kenji Nishimura, Deceased

Compounds having the formula (I) ##STR1## [wherein: R.sup.1 and R.sup.2 are each alkyl or halogen, or they are trimethylene or tetramethylene; R.sup.3 is hydrogen or alkyl; A is alkylene; and R.sup.4 is optionally substituted phenyloxy or benzyloxy substituted with at least one alkyl, halogen, alkoxy, alkylthio, alkenyl, trifluoromethyl or nitro; optionally substituted phenyl substituted with one or two halogen atoms, alkyl or alkoxy; furyl or thienyl] and their salts.

Aminopyrimidine derivatives, processes for their preparation, and

Agricultural fungicidal compositions containing as an active ingredient one or more 4-aminoquinazoline derivatives. The amino group is substituted, e.g., with a phenoxyalkylene, and the quinazoline nucleus may be substituted at 2- and or 6-positions.

4-Aminoquinazoline compounds useful as agricultural fungicides

4-Aminoquinazoline derivatives of formula (I): ##STR1## (wherein: R.sup.1 represents an alkyl group, a cycloalkyl group, an alkenyl group or a benzyl group;

4-Aminoquinazoline derivatives having fungicidal, anti-insect and

Agricultural fungicidal method

Growing community of inventors

Yasumachi, Japan

Kazuto Nakagami