6-Substituted tetrahydroimidazo[2,1-a]phthalazines and use as bronchodilators
US4391807A · kind A · utility
3Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1982 |
| Grant date | Jul 5, 1983 |
| Priority date | — |
| Expiry date | Jul 12, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D237/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Substituted tetrahydroimidazo[2,1-a]phthalazine compounds such as 6-methylamino-7,8,9,10-tetrahydroimidazo[2,1-a]phthalazine are prepared by reacting a 6-halo-7,8,9,10-tetrahydroimidazo[1,2-a]phthalazine with an appropriate amine. The compounds are useful as bronchodilators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.