Soft anticholinergic esters
US8628759B2 · kind B2 · utility
21Cited by
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18Claims
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Key dates
| Filing date | Mar 16, 2012 |
| Grant date | Jan 14, 2014 |
| Priority date | — |
| Expiry date | Mar 16, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D451/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Soft anticholinergic esters of the formulas:wherein R1 and R2 are both phenyl or one of R1 and R2 is phenyl and the other is cyclopentyl; R is C1-C8 alkyl, straight or branched chain; and X− is an anion with a single negative charge; and wherein each asterisk marks a chiral center; said compound having the R, S or RS stereoisomeric configuration at each chiral center unless specified otherwise, or being a mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.