Method of preparing certain 3-halo-imidazopyridines
US5750699A · kind A · utility
24Cited by
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Key dates
| Filing date | Jun 12, 1996 |
| Grant date | May 12, 1998 |
| Priority date | — |
| Expiry date | Jun 12, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to bradykinin antagonists of the formula: ##STR1## wherein R.sup.1 is halogen, PA1 R.sup.2 and R.sup.3 are each hydrogen, lower alkyl, halo(lower)alkyl or acyl, PA1 R.sup.4 is aryl having suitable substituent(s), or a heterocyclic group optionally having suitable substituent(s), PA1 Q is O or N--R.sup.11, in which R.sup.11 is hydrogen or acyl, and PA1 A is lower alkylene, and pharmaceutically acceptable salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.