Azacyclic compounds, processes for their preparation and their pharmaceutical use
申请人:Dr. Lo. Zambeletti S.p.A.
公开号:EP0333315A1
公开(公告)日:1989-09-20
A compound, or a solvate or salt thereof, of formula (I)
in which:
R₁ and R₂ are independently hydrogen, C₁₋₆ alkyl, C₂₋₆ alkenyl, C₃₋₆ cycloalkyl or C₄₋₁₂ cycloalkylalkyl groups, or together form a C₂₋₈ branched or linear polymethylene or C₂₋₆ alkenylene group optionally substituted with a hetero-atom, provided that R₁ and R₂ are not simultaneously hydrogen;
R₃ is hydrogen, C₁₋₆ alkyl, preferably methyl or ethyl, or phenyl, or R₃ together with R₁ form a -(CH₂)₃- or -(CH₂)₄- group;
p is 1, 2, 3 or 4, and
R is a group of formula (II)
in which the group -(CHR₄)n-X- is in the meta- or paraposition with respect to YR₅ or R₆, R₄ is hydrogen or C₁₋₆ alkyl, preferably hydrogen;
n is 0, 1 or 2, preferably 1;
X is a direct bond, or O, S or NRa in which Ra is hydrogen or C₁₋₆ alkyl, and is preferably a direct bond;
Y is >C=O, >CHOH, -S=O or - SO₂;
each of R₅ and R₆ is C₁₋₆ alkyl, or
R₅ and R₆ are linked together and R₅ represents -(Z)m- where m is 0 or 1 and Z is O, S or NR₇ where R₇ is hydrogen or C₁₋₆ alkyl,
and R₆ represents -(CH₂)q- where q is an integer of from 1 to 4, preferably 2 or 3, and in which one or more of the -(CH₂)- groups is optionally substituted by a C₁₋₆ alkyl group, is useful for the treatment of pain.
式 (I) 的化合物或其溶液或盐
其中
R₁ 和 R₂ 独立地为氢、C₁₋₆ 烷基、C₂₋₆ 烯基、C₃₋₆ 环烷基或 C₄₋₁₂ 环烷基烷基、或共同形成 C₂₋₈支链或线性聚亚甲基或 C₂₋₆烯基,可选择被杂原子取代,但 R₁ 和 R₂ 不能同时为氢;
R₃ 是氢、C₁₋₆ 烷基(最好是甲基或乙基)或苯基,或 R₃ 与 R₁ 共同形成 -(CH₂)₃- 或 -(CH₂)₄- 基团;
p 是 1、2、3 或 4,以及
R 是式 (II) 的基团
其中基团-(CHR₄)n-X-相对于 YR₅ 或 R₆ 是元位置或准位置,R₄ 是氢或 C₁₋₆ 烷基,最好是氢;
n 是 0、1 或 2,最好是 1;
X 是直接键,或 O、S 或 NRa,其中 Ra 是氢或 C₁₋₆ 烷基,最好是直接键;
Y 是 >C=O、>CHOH、-S=O 或-SO₂;
R₅ 和 R₆ 各为 C₁₋₆ 烷基,或
R₅ 和 R₆ 连接在一起,且 R₅ 代表-(Z)m-,其中 m 是 0 或 1,Z 是 O、S 或 NR₇,其中 R₇ 是氢或 C₁₋₆ 烷基、
和 R₆ 代表-(CH₂)q-,其中 q 是 1 至 4 的整数,优选 2 或 3,且其中一个或多个-(CH₂)-基团可选地被 C₁₋₆ 烷基取代。