2-Substituted-5-oxo-5H-dibenzo [a,d] cycloheptenes represented by the following formula: ##STR1## where one of R.sup.2 and R.sup.3 is hydrogen, and the other is hydrogen, methyl, or ethyl, or together R.sup.2 and R.sup.3 are methylene; the dotted line represents an optional, additional bond between the carbon atoms at the 10- and 11-positions; and the pharmaceutically acceptable esters and ethers thereof. The compounds have anti-inflammatory, analgesic, and antipyretic activities and, accordingly, are useful in the treatment of inflammation, pain and pyrexia.
以下是代表为2-取代基-5-氧代-
5H-二苯并[a,d]环庚烯的
化学式:##STR1## 其中R.sup.2和R.sup.3中的一个是氢,另一个是氢、甲基或乙基,或者R.sup.2和R.sup.3一起是亚甲基;虚线表示10-和11-位置的碳原子之间的可选额外键;以及其药学上可接受的酯和醚。这些化合物具有抗炎、镇痛和退烧活性,因此在治疗炎症、疼痛和发热方面有用。