< Topic >The usefulness dermal or the composition for sutra mucous membrane dosage is offered the anti- Alzheimers disease medicine and the anti- parkinsons disease medicine, you disagree as a medicine, psychotropic drugs or a medicine dependence symptom remedy etc.SolutionsThe 1 (benzo franc 2 iru) the 2 propyl amino pentane or containing effective quantity and behikuru of the racemic body or the optically active substance of the salt which that pharmacology it can allow, the anti- Alzheimers disease medicine and the anti- parkinsons disease medicine which is not the fault, which dermal it is possible to prescribe without invade tissuing the skin and the mucous membrane which become or as for the composition for sutra mucous membrane dosage, stabilizing the sufficient effective quantity inside internal or the brain through the skin, and the mucous membrane it is possible, to make arrive, decline and pain and the injury or infection of the active ingredient with first passing effect with the liver and are superior, you disagree the medicine and direction mindIt is the medicine or the medicine dependence symptom remedy.< Selective figure >Figure 3【課題】抗アルツハイマー病薬、抗パーキンソン病薬、抗うつ薬、向精神薬または薬物依存症治療薬などとして有用な経皮または経粘膜投与用組成物を提供する。【解決手段】1-(ベンゾフラン-2-イル)-2-プロピルアミノペンタンまたはその薬理学的に許容しうる塩のラセミ体もしくは光学活性体の有効量およびベヒクルを含有してなる皮膚および粘膜を侵襲することなく投与することができる経皮または経粘膜投与用組成物は、皮膚および粘膜を通して十分な有効量を体内ないし脳内に安定して到達させることができ、肝臓での初回通過効果による有効成分の減退や痛みや傷害あるいは感染という欠点がない優れた抗アルツハイマー病薬、抗パーキンソン病薬、抗うつ薬、向精神薬または薬物依存症治療薬である。【選択図】図3