Process for the preparation of tetrazoles
US5284954A · kind A · utility
10Cited by
0References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1992 |
| Grant date | Feb 8, 1994 |
| Priority date | — |
| Expiry date | Sep 30, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of 5-aryl tetrazoles of the formula: ##STR1## or a salt thereof comprising reacting an aryl nitrile with a trisubstituted silyl azide and a disubstituted tin oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.