申请人:SmithKline Beecham p.l.c.
公开号:US06548504B1
公开(公告)日:2003-04-15
The present invention therefore provides, in a first aspect, a compound of formula (I) or a salt thereof:
in which the group D is selected from a group of formula (A), (B) or (C) below:
in which
P is a monocyclic, bicyclic or tricyclic alicyclic ring containing up to 20 carbon atoms in the ring(s);
A is a single bond, a C1-6alkylene or a C2-6alkenylene group;
R1 is halogen, C1-6alkyl optionally substituted by one or more fluorine atoms, C3-6cycloalkyl, C1-6alkoxy, OCF3, hydroxy, hydroxyC1-6alkyl, hydroxyC1-6alkoxy, C1-6alkoxyC1-6alkoxy, C1-6alkanoyl, amino, alkylamino or dialkylamino, SR11 where R11 is hydrogen or C1-6alkyl or R1 is aryl, arylC1-6alkyl, a bicyclic heterocyclic ring or is a 5 to 7-membered heterocyclic ring each containing 1 to 4 heteroatoms selected from oxygen, nitrogen or sulfur;
n is 0, 1, 2 or 3; and
R2 is hydrogen, C1-6alkyl, aryl, arylC1-6alkyl or C3-6cycloalkyl; or
in which Ra is an alkyl group containing 1 to 20 carbon atoms or is an arylC1-6alkyl group, and Rb is hydrogen or C1-6alkyl;
因此,本发明在第一个方面提供了一个具有以下结构的化合物或其盐:其中D基团从下列式(A)、(B)或(C)的基团中选择:其中P是含有最多20个碳原子的单环、双环或三环脂环;A是一个单键,一个C1-6烷基或一个C2-6烯基基团;R1是卤素,C1-6烷基(可选择地被一个或多个氟原子取代),C3-6环烷基,C1-6烷氧基,OCF3,羟基,羟基C1-6烷基,羟基C1-6烷氧基,C1-6烷氧基C1-6烷氧基,C1-6酰胺基,氨基,烷基氨基或二烷基氨基,SR11(其中R11是氢或C1-6烷基)或R1是芳基,芳基C1-6烷基,双环杂环环或是含有1到4个氧、氮或硫杂原子的5到7元杂环;n为0、1、2或3;R2是氢、C1-6烷基,芳基,芳基C1-6烷基或C3-6环烷基;或者Ra是含有1到20个碳原子的烷基基团或是芳基C1-6烷基基团,Rb是氢或C1-6烷基。