PYRAZOLOMORPHINAN DERIVATIVE
    6.
    发明公开

    公开(公告)号:EP4062972A1

    公开(公告)日:2022-09-28

    申请号:EP20890718.8

    申请日:2020-11-20

    摘要: The present invention provides a compound having a selective opioid δ receptor agonist effect. The present invention provides a pyrazolomorphinan derivative represented by general formula (1) (in the formula, (II) R 1 represents a hydrogen atom, an alkyl group, a cycloalkylmethyl group, or the like, R 2 represents a hydrogen atom or a hydroxy protecting group, R 3 represents a hydroxy group, an alkyl group, a partially unsaturated heterocyclic group, an aryl group, a heteroaryl group, or the like; and R 4 represents a hydrogen atom, an alkyl group, an aralkyl group, a cycloalkyl group, a cycloalkyl alkyl group, a saturated heterocyclic group, an aryl group, a heteroaryl group, or the like). The pyrazolomorphinan derivative can be used as an active ingredient in an analgesic, an antidepressant, an anxiolytic, or the like.