3-(1h-tetrazol-5-yl) chromones

Details 3-(1h-tetrazol-5-yl) chromones 3-(1h-tetrazol-5-yl) chromones

C - Chemistry, Metallurgy

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C07D 403/00 (2006.01) C07D 405/00 (2006.01) C07D 405/04 (2006.01) C07D 409/00 (2006.01) C07D 257/06 (2006.01) C07D 311/22 (2006.01)

Patent

CA 1108151

ABSTRACT OF THE DISCLOSURE There is described 3-(1H-tetrazol-5-yl)chromones having the following structural formula: Image I. in which R is lower alkoxy having 1 to 3 carbon atoms, aryl such as phenyl, halogen or trihalo lower alkyl. These compounds exhibit anti-allergic properties and are indicated in the treatment of allergic conditions such as hay fever and asthma.

312620

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