Benzopyran[4,3-d]-thiazole-derivatives with anti-allergic, anti-

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

514253, 514338, 544368, 546198, 548151, C07D51304, A61K 31925

Patent

active

048290777

ABSTRACT:
Compounds of formula ##STR1## (wherein R and R.sub.1 have the meanings reported in the specification) and their preparation are described.
The compounds of formula I have anti-allergic, anti-anaphylactic and anti-arthritic activity and are useful in pharmaceutical field.
Compositions for pharmaceutical use containing a compound of formula I as active ingredient are described too.

REFERENCES:
patent: 4407810 (1983-10-01), Eilingsfeld

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