Process for the preparation of certain substituted biphenyl tetrazoles and compounds thereof
US5252753A · kind A · utility
5Cited by
0References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 1, 1991 |
| Grant date | Oct 12, 1993 |
| Priority date | — |
| Expiry date | Nov 1, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for producing a compound of formula I: ##STR1## comprising reacting 5-(2-fluorophenyl)-1H-tetrazole with a Grignard reagent to produce the desired product is disclosed. Novel compounds produced by this process for use as intermediates in making certain angiotension II antagonists are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.