6-[(Cyclic amino)alkylamino]-tetrahydrotriazolo[3,4-a]phthalazines
US4487930A · kind A · utility
2Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 1982 |
| Grant date | Dec 11, 1984 |
| Priority date | — |
| Expiry date | Sep 7, 2002 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
6-[(Cyclic amino)alkylamino]-7,8,9,10-tetrahydro-1,2,4-triazolo[3,4-a]phthalazines are novel compounds prepared by the reaction of a 6-halo-7,8,9,10-tetrahydro-1,2,4-triazolo[3,4-a]phthalazine with an appropriate (cyclic amino)alkylamine. The compounds are useful as bronchodilators.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.