PROBLEM TO BE SOLVED: To provide: 6-amino-morphinan compounds which can be used as highly active analgesics; pharmaceutically acceptable salts and easily accessible derivatives thereof (e.g., esters or amides of the amino acid derivatives); a process for their manufacture; and application method in the manufacture of pharmaceutical specialties.SOLUTION: This invention relates to three novel 6-amino morphinan compounds that contain a compound of formula (I).【課題】高活性鎮痛剤として使用できる6-アミノモルフィナン化合物、その医薬として許容可能な塩及び容易に誘導可能な誘導体(例えば、アミノ酸誘導体のエステル又はアミド)更に、それらの製造方法及び医薬品の製造におけるそれらの適用法の提供。【解決手段】式(I)の化合物を含む、3つの新規6-アミノモルフィナン化合物。【選択図】なし