Indole derivative and process for its preparation

摘要

A compound of the formula (I) <IMAGE> and its physiologically acceptable salts and solvates are described. These compounds are suitable for the treatment and/or prophylaxis of pains which are caused by dilation of the cranial vascular system, in particular of migraine. The compound of the formula (I) can be prepared, for example, by cyclization of a compound of the formula (II) <IMAGE>