发明授权
US5852031A 2,7-substituted octahydro-1H-pyrido�1,2-a!pyrazine derivatives 失效
2,7-取代的八氢-1H-吡啶并[1,2-a]吡嗪衍生物

2,7-substituted octahydro-1H-pyrido�1,2-a!pyrazine derivatives
摘要:
Substituted pydrido�1,2-a!pyrazines of general formula I wherein Ar and Ar.sup.1 represent various carbocyclic and heterocyclic aromatic rings; A represents O, S, SO, SO.sub.2, C.dbd.O, CHOH, or --(CR.sup.3 R.sup.4) and n is 0-2 as well as precursors thereto are ligands for dopamine receptor subtypes within the body and are therefore useful in the treatment of disorders of the dopamine system. ##STR1##
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