Anti-spasmodic agents containing quaternary nitrogen
US4721722A · kind A · utility
2Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1985 |
| Grant date | Jan 26, 1988 |
| Priority date | — |
| Expiry date | Jul 12, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D311/84
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A new class of anti-spasmodic compounds having two branch chains and containing quaternary nitrogen is provided. The compounds have the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are defined hereinbelow and m is an integer from 0 to 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.