Method for the production of N,N-carbonyldiazoles
US7888515B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2004 |
| Grant date | Feb 15, 2011 |
| Priority date | — |
| Expiry date | May 23, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/54
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an improved process for preparing N,N′-carbonyldiazoles by reacting azoles with phosgene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.