Problem to be solved: to provide a compound useful as an effective component of antianxiety agents and antidepressants, and to provide drugs containing them.Next general formula (I)Morphine derivatives represented by.Diagram【課題】抗不安薬や抗うつ薬の有効成分として有用な化合物、及びそれを含む医薬の提供。【解決手段】次の一般式(I)で表されるモルヒナン誘導体。【選択図】図1