4-(3-coumarinyl)-thiazole-derivatives with anti-allergic, anti-anaphylactic and anti-arthritic activity and compositions containing them

摘要

Compounds of formula CHEM (wherein R, R1 and R2 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.