Pyrimidine derivatives and process preparing the same
US4780537A · kind A · utility
4Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1987 |
| Grant date | Oct 25, 1988 |
| Priority date | — |
| Expiry date | Jul 10, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A pyrimidine derivative of the formulae (Ia), (Ib) and (Ic), ##STR1## wherein R stands for an alkyl group group with 1 to 6 carbon atoms or an aryl group optionally substituted by halogen atom; and PA0 X stands for chlorine or bromine atom or an arylsulfonyloxy group optionally substituted by 1 to 3 lower alkyl groups. The subject pyrimidine derivatives are intermediates for preparing 6-amino-1,2-dihydro-1-hydroxy-2-imino-4-piperidinopyrimidine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.