Novel 4-(5- and 7-)benzoylindolin-2-ones of the formula: ##SPC1## Wherein R is hydrogen, lower-alkyl, or methylthio, R.sup.1 is hydrogen or lower-alkyl, R.sup.2 is lower-alkyl, lower-alkoxy, halogen, nitro or trifluoromethyl, R.sup.3 is hydrogen, halogen or lower-alkoxy, and n is 0, 1 or 2, are prepared by (a) acylation of indolin-2-one to give 5-benzoylindoline-2-one, (b) cyclization of 2-acetamido-3-benzoylphenylacetic acid or ethyl 2-acetamido-3-benzoylphenylacetate to give 7-benzoyindoline-2-one, or (c) by reacting aminobenzophenones with alkyl .alpha.(methylthio)acetates to give alkyl 2-amino-3-(5- or 6-)benzoyl-.alpha.-(methylthio)phenylacetates which are cyclized and demethylthiolated to 4-(5- and 7-)benzoylindolin-2-ones. The novel compounds possess anti-inflammatory activity and are intermediates for the preparation of 2-amino-3-(5- or 6-) benzoylphenylacetic acids which posess anti-inflammatory properties.
这段文字描述了一种化合物的制备方法和其药理活性。化合物的结构式为:##
SPC1## 其中R为氢、低碳基或甲
硫基,R.sup.1为氢或低碳基,R.sup.2为低碳基、低氧基、卤素、硝基或三
氟甲基,R.sup.3为氢、卤素或低氧基,n为0、1或2。该化合物具有抗炎活性,是制备具有抗炎性质的2-
氨基-3-(5-或6-)
苯甲酸的中间体。制备方法包括:(a)酰化
吲哚酮以得到5-苯甲酰
吲哚酮,(b)环化2-乙酰
氨基-3-
苯甲酰苯乙酸或
乙酸2-乙酰
氨基-3-
苯甲酰苯乙酸酯以得到7-苯甲酰
吲哚酮,或(c)将
氨基苯甲酮与烷基.α.
(甲硫基)乙酸酯反应以得到烷基2-
氨基-3-(5-或6-)苯甲酰.α.-(甲
硫基)
苯乙酸酯,然后环化并去甲
硫基以得到4-(5-和7-)苯甲酰
吲哚酮。