A compound represented by the formula ##STR1## wherein R.sup.1 represents a hydroxyl group, an alkanoyloxy group or a group of the formula ##STR2## in which R.sup.2 represents a hydrogen atom or a lower alkyl group, and R.sup.3 represents a hydrogen atom, a lower alkyl group, an alkanoyl group, a phenyl group, a carbamoyl group or a thiocarbamoyl group, or a salt thereof. The said compound can be prepared by reacting a compound represented by the formula ##STR3## with a compound of the formula NH.sub.2 --R.sup.1 (III) wherein R.sup.1 is as defined hereinabove, or a salt thereof, and as required, alkanoylating the resulting compound of formula (I) in which R.sup.1 represents a hydroxyl group or an amino group, and as required, converting the resulting compound of formula (I) in which R.sup.1 is the group ##STR4## into its salt, and is useful for the treatment of inflammation, pain or rheumatism.
化合物的
化学式为##STR1##其中R.sup.1代表羟基、烷酰氧基或式子##STR2##中R.sup.2代表氢原子或较低烷基基团,R.sup.3代表氢原子、较低烷基基团、烷酰基、苯基、
氨基甲酰基或
硫代
氨基甲酰基,或其盐。该化合物可以通过将
化学式##STR3##的化合物与
化学式NH.sub.2 --R.sup.1(III)的化合物反应制备,其中R.sup.1如上所定义,或其盐,并根据需要对
化学式(I)中R.sup.1代表羟基或
氨基的产物进行烷酰化,并根据需要将
化学式(I)中R.sup.1为##STR4##的产物转化为其盐。该化合物对于治疗炎症、疼痛或风湿病有用。