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Generated: August 23, 2017

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Title: 1,3,4,9-Tetrahydropyrano[3,4-b]indole-1-acetamides and derivatives
Abstract:Indole derivatives characterized by having a 1,3,4,9-tetrahydropyrano[3,4-b]indole or 1,3,4,9-tetrahydrothiopyrano[3,4-b]indole nucleus bearing a substituent in position 1, said substituent incorporating an acid, ester or amide function therein, are disclosed. The nucleus is further substituted at position 1 and may be optionally substituted at positions 3, 4, 5, 6, 7, 8, and 9. The derivatives are useful antiinflammatory, analgesic, antibacterial and antifungal agents and methods for their preparation and use are also disclosed.
Inventor(s): Demerson; Christopher A. (Montreal, CA), Humber; Leslie G. (Dollard des Ormeaux, CA), Dobson; Thomas A. (Dollard des Ormeaux, CA), Jirkovsky; Ivo L. (Montreal, CA)
Assignee: American Home Products Corporation (New York, NY)
Filing Date:Oct 10, 1974
Application Number:05/513,693
Claims:1. A compound of the formula ##SPC12##

wherein R.sup.1 is lower alkyl having from 1 to 6 carbon atoms; R.sup.6 is hydrogen or methoxy; R.sup.7 is hydrogen or lower alkyl having from 1 to 6 carbon atoms; X is oxy or thio, Y is CO, CH.sub.2 CO or CH.sub.2 CH.sub.2 CO and Z is amino, methylamino, dimethylamino, diethylamino or phenylamino.

2. A compound of the formula ##SPC13##

wherein R.sup.1 is lower alkyl having from 1 to 6 carbon atoms; R.sup.6 is hydrogen, chlorine, methyl or benzyloxy; R.sup.7 is hydrogen or lower alkyl having from 1 to 6 carbon atoms; X is oxy; Y is CH.sub.2 CO or CH.sub.2 CH.sub.2 CO and Z is amino, methylamino, ethylamino, isopropylamino or dimethylamino.

3. N,N-Diethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

4. N,N-Dimethyl-1-propyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

5. N-Isopropyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

6. N-Ethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

7. N,N,1-Trimethyl-1,3,4,9-tetrahydrothiopyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

8. N,N,1,9-Tetramethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

9. N,1,9-Trimethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

10. 1,9-Dimethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

11. N,N-Diethyl-1,9- dimethyl-1,3,4,9-tetrahydropyrano[3,4-b]-indole-1-acetamide, as claimed in claim 1.

12. N,1,9-Trimethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-propionamide, as claimed im claim 1.

13. 6-Methoxy-N,N,1,9-t etramethyl-1,3,4,9-tetrahydropyrano[3,4-b]-indole-1-acetamide, as claimed in claim 1.

14. N,N,1,9- Tetramethyl-1,3,4,9-tetrahydrothiopyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

15. N,1,9-Trimethyl-1,3,4,9-tetrahydrothiopyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

16. N,N,1-Trimethyl-9-p ropyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

17. 9-Ethyl-N,1-dimethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

18. 9-Ethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 1.

19. N,N,1,9-Tetramet hyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-propionamide, as claimed in claim 1.

20. 6-Benzyloxy-N-N,1-9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 2.

21. 5-Chloro-N,N-1,9 -tetramethyl-1,3,4,9-tetrahydropyrano-[3,4-b]indole-1-acetamide, as claimed in claim 2.

22. 6-Benzyl oxy-9-ethyl-N,N,1-trimethyl-1,3,4,9-tetrahydropyrano-[3,4-b]indole-1-acetam ide, as claimed in claim 2.

23. N,N,1,5,9-Pentamethyl-1 ,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetamide, as claimed in claim 2.
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