Antiinflammatory activity of two phenylindandione derivatives.

2-5-Dibromo-2-(beta-naphtyl)indan-1,3-dione (43/63) and 4-bromo-2-phenylindan-1,3-dione (43/13) are two interesting members of a series of "indandione" derivatives which possess an antiinflammatory activity (in the following tests: carrageenin induced rat hind paw edema, cotton pellets granuloma and chronic adjuvant arthritis). The two drugs are devoided of anticoagulant activity and their antiinflammatory effect is not adrenalmediated.