4,5-disubstituted pyrimidine derivatives and herbicides
US5716904A · kind A · utility
1Cited by
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11Claims
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Assignee
Inventors
Key dates
| Filing date | May 1, 1996 |
| Grant date | Feb 10, 1998 |
| Priority date | — |
| Expiry date | May 1, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/1804
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel 4,5-disubstituted pyrimidine derivative of the formula (I): ##STR1## wherein R1 is CF.sub.2 X (X is Cl or Br), R.sub.2 is a C.sub.1 -C.sub.8 alkyl group, a C.sub.3 -C.sub.8 cycloalkyl group, etc., R3 is a halogen atom, SH, NH.sub.2, etc., and R4 is a hydrogen atom, a halogen atom, a C.sub.1 -C.sub.6 alkyl group, etc., is a herbicide having excellent activities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.