Kumiai Chemical Industry Co., Ltd.

Ihara Chemical Industry Co., Ltd.

Yasuo Saso

Yoshiyuki Kojima

Nobumitsu Sawai

Shinichiro Maeno

Yukio Tokunaga

Koichiro Kaku

A new class of 5H-1,3,4-thiadiazolo[3,2-a]pyrimidin-5-one derivatives were synthesized. They are useful as agricultural-horticultural fungicides.

5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and

A class of novel 5H-1,3,4-thiadiazolo[3,2-a]-pyrimidin-5-one derivatives are disclosed. These compounds exhibit remarkable fungicidal activities for pathogenic fungi of cucumber gray mold, cucumber downy mildew. Alternaria sooty spot of Chinese mustard, apple Alternaria leaf spot, pear black spot, rice blast, tomato late blight, etc.

5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional

A class of novel 5H-1,3,4-thiadizaolo[3,2-a]pyrimidin-5-one derivatives are disclosed. These compounds exhibit remarkable fungicidal activities for pathogenic fungi of cucumber gray mold, cucumber downy mildew, Alternaria sooty spot of Chinese mustard, apple Alternaria leaf spot, pear black spot, rice blast, tomato late blight, etc.

5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and fungicidal

It is disclosed that a class of 5H-1,3,4-thiadiazolo[3,2-a]pyrimidin-5-one derivatives exhibit remarkable fungicidal activities for cucumber gray mold, cucumber downy mildew, Alternaria sooty spot of Chinese mustard, rice blast, etc.

Growing community of inventors

Miyagi, Japan

Yasuo Saso