| abstract |
The invention relates to new thiopyrones, in particular new benzothiopyranones of the general formula in which R 1 is hydrogen or an aliphatic radical, n is 0, 1 or 2, Ph is substituted or unsubstituted 1,2-phenylene and A is a group of the formula - NH - CO - R, in which R is carboxy or esterified Carboxy represents, and their salts, processes for the preparation of compounds of formula (I) and their salts, pharmaceutical compositions containing such compounds as well as the use of compounds of formula (I) and their salts as active pharmaceutical ingredients and / or for the preparation of pharmaceutical preparations. The compounds of formula (I) and their salts have anti-allergic properties. |