5H-1,3,4-thiadiazolo(3,2-A)pyrimidin-5-one derivatives and functional compositions containing the same
US4971971A · kind A · utility
61Cited by
4References
13Claims
0Family size
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Key dates
| Filing date | Aug 28, 1989 |
| Grant date | Nov 20, 1990 |
| Priority date | — |
| Expiry date | Aug 28, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01N43/90
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.