Azabicyclic compounds, pharmaceutical compositions containing them and their use in therapy
申请人:MERCK SHARP & DOHME LTD.
公开号:EP0520555A1
公开(公告)日:1992-12-30
Compounds of formula (I), and salts and prodrugs thereof:
wherein
Q is the residue of an optionally substituted azabicyclic ring system;
X represents oxa or thia;
Y represents H or hydroxy;
R¹ represents phenyl or thienyl, either of which groups may be optionally substituted by halo, trifluoromethyl or C₁₋₃ alkoxy, or C₅₋₇ cycloalkyl;
R² represents benzyl which may be substituted in the benzyl ring by halo, trifluoromethyl or C₁₋₃alkoxy, or C₅₋₇ cycloalkyl; and
R³, R⁴ and R⁵ independently represent H, C₁₋₆ alkyl, C₂₋₆ alkenyl, C₂₋₆ alkynyl, halo, cyano, nitro, trifluoromethyl, trimethylsilyl, -ORa, SCH₃, SOCH₃, SO₂CH₃, -NRaRb, -NRaCORb, -NRaCO₂Rb, -CO₂Ra or -CONRaRb; and
Ra and Rb independently represent H, C₁₋₆ alkyl, phenyl or trifluoromethyl, are tachykinin receptor antagonists. They and compositions thereof are useful in therapy.
式(I)化合物及其盐类和原药:
其中
Q 是任选取代的氮杂环系统的残基;
X 代表氧或硫
Y 代表 H 或羟基
R¹ 代表苯基或噻吩基,其中任一基团可任选被卤、三氟甲基或 C₁₋₃ 烷氧基或 C₅₋₇ 环烷基取代;
R² 代表苄基,可在苄基环上被卤代、三氟甲基或 C₁₋₃ 烷氧基或 C₅₋₇ 环烷基取代;以及
R³、R⁴ 和 R⁵ 独立地代表 H、C₁₋₆ 烷基、C₂₋₆ 烯基、C₂₋₆ 炔基、卤代、氰基、硝基、三氟甲基、硝基、三氟甲基、三甲基硅基、-ORa、SCH₃、SOCH₃、SO₂CH₃、-NRaRb、-NRaCORb、-NRaCO₂Rb、-CO₂Ra 或 -CONRaRb;和
Ra 和 Rb 独立地代表 H、C₁₋₆ 烷基、苯基或三氟甲基,它们是速激肽受体拮抗剂。它们及其组合物可用于治疗。