| US 7,534,799 B2 | ||
| Pyridomorphinans, thienomorphinans and use thereof | ||
| Subramaniam Ananthan, Birmingham, Ala. (US) | ||
| Assigned to Southern Research Institute, Birmingham, Ala. (US) | ||
| Filed on Jul. 25, 2006, as Appl. No. 11/492,095. | ||
| Application 11/492095 is a division of application No. 11/259073, filed on Oct. 27, 2005, granted, now 7,105,675. | ||
| Application 11/259073 is a division of application No. 10/049504, granted, now 7,015,326, previously published as PCT/US00/22094, filed on Aug. 14, 2000. | ||
| Claims priority of provisional application 60/148581, filed on Aug. 13, 1999. | ||
| Prior Publication US 2006/0264452 A1, Nov. 23, 2006 | ||
| Int. Cl. A61K 31/4748 (2006.01); C07D 491/18 (2006.01) | ||
| U.S. Cl. 514—279 [546/39; 546/40] | 13 Claims |
1. A method for treating a patient suffering from pain which comprises administering to the patient a pain treating effective
amount of at least one compound represented by the formulae I and II
 wherein each of Y, X and R individually is selected from the group consisting of hydrogen, hydroxyl, halo, CF3, NO2, CN, NH2, COR1 and CO2R2 wherein R1 is selected from the group consisting of alkyl, aryl, alkaryl, and NH2, and R2 is selected from the group consisting of alkyl, aryl, and aralkyl, and provided that at least one of Y, X and R in formula
I is other than hydrogen; or pharmaceutically acceptable salt thereof.
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