Alkenyltetrazole derivatives
US4916231A · kind A · utility
1Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 1989 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Jul 10, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D493/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Tetrazole derivatives represented by the formula: ##STR1## wherein R is naphthyl or phenyl optionally substituted by phenyl, lower alkyo, halogen, lower alkoxy, hydroxy or acetoxy; X is methylene, dimethylmethylene or oxygen; n is an integer of 0 or 1; and p and r each is an integer of 0 or 1 and q is an integer of 1 or 2 provided that p+q+r=2; or a tautomer in tetrazole ring and a pharmaceutically acceptable salt thereof, which are useful as TXA.sub.2 receptor antagonist.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.