2-(Or4-)amino-5-alkylthio-pyrimidine herbicides
US4528026A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1980 |
| Grant date | Jul 9, 1985 |
| Priority date | — |
| Expiry date | Sep 30, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/48
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Pyrimidine compounds of the formula: ##STR1## in which R.sub.1 is alkyl, one of X.sub.1, X.sub.2, X.sub.3 is chlorine or bromine and the two others are respectively --NR.sub.1 R.sub.2 and --NR.sub.3 R.sub.4 in which R.sub.2 and R.sub.3 are, independently of one another, hydrogen, alkyl, cycloalkyl, aryl or aryl substituted by alkyl, hydroxy, chlorine, bromine or ##STR2## wherein R is hydrogen or alkyl, or form together with the nitrogen atom to which they are linked a nitrogenous heterocyclic radical other than piperazino and substituted piperazino, R.sub.4 and R.sub.5 are, independently of one another, hydrogen, alkyl, cycloalkyl, aryl or aryl substituted by alkyl, hydroxy, chlorine, bromine or ##STR3## wherein R is as defined above, or form together with the nitrogen atom to which they are linked a nitrogenous heterocyclic radical other than piperazino and substituted piperazino, at least one of the substituents --NR.sub.1 R.sub.2, --NR.sub.3 R.sub.4 being NH.sub.2 or ##STR4## and their salts with mineral or organic acids, are herbicides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.