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

摘要

Compounds of formula ##STR1## (wherein R, R.sub.1 and R.sub.2 have the meanings reported in the specification) and their preparation are described.PPThe compounds of formula I have anti- allergic, anti-anaphylactic and anti-arthritic activity and are useful in pharmaceutical field.PPCompositions for pharmaceutical use containing a compound of formula I as active ingredient are described too.