Process for preparing 6-amino-3-hydrazinopyridazine derivatives
US4757142A · kind A · utility
3Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 13, 1986 |
| Grant date | Jul 12, 1988 |
| Priority date | — |
| Expiry date | May 13, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D237/20
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel process for preparing 6-amino-3-hydrazinopyridazine derivatives comprising reacting a 3-amino-6-chloropyridazine derivative with ethyl carbazate under aqueous conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.