Benzothiazole derivatives
US3951998A · kind A · utility
2Cited by
0References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1974 |
| Grant date | Apr 20, 1976 |
| Priority date | — |
| Expiry date | Jun 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D277/74
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel benzothiazole derivatives of the formula ##SPC1## Wherein R.sub.1 and R.sub.2 are individually hydrogen, lower alkyl, nitro, halogen, optionally substituted amino, carboxyl, lower alkoxy-carbonyl or di-lower alkyl-carbamoyl; and R.sub.3 and R.sub.4 are individually hydrogen, lower alkyl or .alpha.-lower alkyl-benzyl or NR.sub.3 R.sub.4 is a saturated heterocyclic ring containing a nitrogen atom, and their salts. They are useful as antihypertensives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.