- Substituted chromans
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The invention relates to chroman derivatives of the general formula STR1 wherein R1 is hydrogen, lower alkyl, substituted phenyl, phenyl, phenyl-lower alkyl, substituted phenyl-lower alkyl or lower alkyl-amino-lower alkyl; R2 is STR2 R3, R4, R5 and R6 each is independently selected from hydrogen, hydroxy, amino, -o-acyl, -o-lower alkyl; STR3 halogen, lower alkyl, or halo substituted lower alkyl; and salts and hydrates thereof. These compounds are useful as anti-inflammatory agents; for inhibition of blood platelet aggregation, as antiallergy and as antihypertensive agents.
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