Anti-spasmodic agents containing quaternary nitrogen
US4918082A · kind A · utility
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19Claims
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Key dates
| Filing date | Sep 2, 1988 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Sep 2, 2008 |
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 is provided. The compounds have the general formula ##STR1## where R.sub.2 is a radical selected from the group consisting of ##STR2## where m is an integer from 0 to 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.