Patent · US Expired

1,3,4,9-Tetrahydropyrano[3,4-b]indole-1-acetamides and derivatives

US3974179A · kind A · utility

26Cited by
1References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1974
Grant dateAug 10, 1976
Priority date
Expiry dateOct 10, 1994

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D10/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.