This invention relates compounds having serotonin receptor binding activity, to pharmaceutical compositions containing them and to their medical use, particularly in the treatment of CNS conditions. Described herein are compounds which have the general formula: ##STR1## wherein R.sup.1 is selected from H, C.sub.1-6 alkyl and benzyl; R.sup.2 is selected from H and C.sub.1-6 alkyl; R.sup.3 is selected from H and C.sub.1-6 alkyl; R.sup.4 is selected from C.sub.1-6 alkyl and halo; R.sup.5 is selected from H and OH; and salts, hydrates and solvates thereof. Also described is the use of these compounds as pharmaceuticals to treat indications where stimulation of subtypes of the serotonin receptor is implicated, such as migraine.
本发明涉及具有5-羟
色胺受体结合活性的化合物,包含它们的制药组合物以及它们在医学上的应用,特别是在中枢神经系统疾病的治疗中。本文所述的化合物具有以下通式:##STR1## 其中R.sup.1选择H、C.sub.1-6烷基和苄基;R.sup.2选择H和C.sub.1-6烷基;R.sup.3选择H和C.sub.1-6烷基;R.sup.4选择C.sub.1-6烷基和卤素;R.sup.5选择H和OH;以及其盐、
水合物和溶剂化物。还描述了这些化合物作为药物用于治疗刺激5-羟
色胺受体亚型的适应症,例如偏头痛。