| 摘要 |
Methylenealkanamide compounds, and pharmaceutically-acceptable salts thereof, of the formula: <IMAGE> wherein X is O or S; R is straight or branched methylene substituted alkane having from 11 to 23 carbon atoms; R1 is H, OH, or OCH3; R2 is OH or a short-chain ester; and wherein at least one of R1 and R2 is OH or OCH3. Compositions, useful for producing analgesia in humans or lower animals, comprise a safe and effective amount of: a methylenealkanamide, pharmaceutically-acceptable salts thereof, or mixtures thereof; and a pharmaceutically-acceptable carrier. Preferably, these methylenealkanamides are N-vanillyl-methylenealkanamides. Methods of treatment, comprising administering a safe and effective amount of these methylenealkanamides, pharmaceutically-acceptable salts thereof, or mixtures thereof, include methods of parenteral, oral and topical administration. |
