Process for the synthesis of ribonucleotide reductase inhibitors 3-AP and 3-AMP
US5869676A · kind A · utility
4Cited by
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12Claims
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Key dates
| Filing date | May 15, 1997 |
| Grant date | Feb 9, 1999 |
| Priority date | — |
| Expiry date | May 15, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to improved, efficient chemical syntheses of 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (3-AP) and 3-amino-4-methylpyridine-2-carboxaldehyde thiosemicarbazone (3-AMP).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.