3-(1H-Tetrazol-5-yl)chromones

Details 3-(1H-Tetrazol-5-yl)chromones 3-(1H-Tetrazol-5-yl)chromones

1977-08-15

1978-09-26

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424269, G07D25704, D61K 3141

Patent

active

041169719

ABSTRACT:
There is described 3-(1H-tetrazol-5-yl)chromones having the following structural formula: ##STR1## 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.

REFERENCES:
patent: 3862143 (1975-01-01), Klutchko et al.
patent: 3896114 (1975-07-01), Nohara et al.

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