Patent · US Expired

(Tetrazolyl) thienopyridinones

US4593099A · kind A · utility

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3Claims
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Assignee

Inventor

Key dates

Filing dateOct 10, 1984
Grant dateJun 3, 1986
Priority date
Expiry dateOct 10, 2004

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P37/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

(1H-Tetrazol-5-yl)thienopyridinones and related compounds which are useful as antiallergic agents are described herein. The compounds are prepared by the reaction of an appropriate cyanoketone with ammonium chloride and an azide such as sodium azide in an inert solvent such as dimethylformamide.

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