Process for making 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-triamine
US6423844B1 · kind B1 · utility
3Cited by
9References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2001 |
| Grant date | Jul 23, 2002 |
| Priority date | — |
| Expiry date | Jun 6, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S149/119
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is a process for making a 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-triamine, acid salt and a process for neutralizing the acid salt to make 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-triamine. 1,2,4-triazolo[4,3-a][1,3,5]triazine-3,5,7-triamine can be used as a precursor for ingredients in propellants, explosives, pyrotechnics, gas generators, pharmaceuticals, and azo dyes. The general process involves ring closure of 2,4-diamino-6-hydrazino-s-triazine with an acid and a chemical of the general formula RCN where the R comprises a leaving group, then neutralizing said acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.