INDOLE DERIVATIVE, PROCESS FOR PRODUCING THE SAME, AND MEDICINAL USE THEREOF.

摘要

An indole derivative represented by general formula (I) and a pharmacologically acceptable acid addition salt thereof, wherein R<1> represents alkyl, cycloalkyl, etc.; R<2> represents hydrogen, hydroxy, alkanoyloxy or alkoxy; R<3> represents hydrogen, alkyl, alkanoyl or benzyl; R<4> represents hydrogen, alkyl or benzyl; and R<5> and R<6> represent each independently hydrogen, iodine, trifluoromethyl, trifluoromethoxy, etc. The invention also provides an immunosuppressant, antiallergic, antiinflammatory and brain cell protectant each containing the above derivative or salt as the active ingredient.