Process for the preparation of N-(amino-4,6-dihalo-pyrimidine) formamides
US6271376A · kind A · utility
3Cited by
2References
14Claims
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Key dates
| Filing date | Dec 16, 1999 |
| Grant date | Aug 7, 2001 |
| Priority date | — |
| Expiry date | Dec 16, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of N-(amino-4,6-dihalopyrimidine)formamides of the formula: ##STR1## in which X is a halogen atom, starting from 2,5-diamino-4,6-dihalopyrimidine of the formula: ##STR2## in which X has the meaning afore-mentioned, by reaction with formic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.