申请人:Eisai Co., Ltd.
公开号:EP1052254A1
公开(公告)日:2000-11-15
The present invention provides a novel nitrogen-containing heterocyclic compound useful as a phosphodiesterase-4 inhibitor, and a medicament comprising the same. Further, the present invention provides a nitrogen-containing heterocyclic compound represented by the following formula, its salt or hydrates thereof, and a medicament comprising the same.
Wherein the ring A is an aromatic hydrocarbon ring which may have a heteroatom, the ring B represents (a) a saturated hydrocarbon ring, (b) an unsaturated hydrocarbon ring, (c) a saturated heterocyclic ring or (d) an unsaturated heterocyclic ring, all of which may have a substituent group, R1 represents hydrogen atom, a halogen atom, a C1-6 alkyl group which may be substituted with a halogen atom, a C1-6 alkoxy group which may be substituted with a halogen atom, etc., R2 and R3 are the same as or different from and represent hydrogen atom, a C1-6 alkyl group which may have a substituent group, a C3-7 cycloalkyl group which may have a substituent group, etc., R4, R5, R6 and R7 are the same as or different from each other and each represent hydrogen atom, a halogen atom, a C1-6 alkyl group which may be substituted with a halogen atom, a C3-7 cycloalkyl group which may have a substituent group, a C1-6 alkoxy group which may have a substituent group, etc., neighboring R3, R4, R5 and R6 may be combined to form a ring which may be substituted with a C1-6 alkyl group which may contain a heteroatom, L represents a single bond, (a) a C1-6 alkylene group, (b) a C2-6 alkenylene group, (c) a C2-6 alkynylene group, all of which may have a substituent group, or a group represented by the formula -E-G- (wherein E represents oxygen atom, sulfur atom, the formula -CO-, -SO-, -SO2-, -N(R8)- (R8 is hydrogen atom, a C1-6 alkyl group or an acyl group), -N(R9)-CO- (R9 is hydrogen atom or a C1-6 alkyl group), or -(CH2)m- which may have a substituent group (m is an integer of 0 to 6), and G represents a sulfonyl group, the formula -N(R10)- (R10 represents hydrogen atom, a C1-6 alkyl group or an acyl group) or -(CH2)n- (n is an integer of 0 to 6)), and X and Y are the same as or different from each other and each represents nitrogen atom, =CH- or a carbon atom which may be substituted with a C1-6 alkyl group which may have a substituent group, provided that X and Y are not simultaneously carbon atoms which may be substituted with a C1-3 alkyl group.
本发明提供了一种可用作磷酸二酯酶-4 抑制剂的新型含氮杂环化合物,以及包含该化合物的药物。此外,本发明还提供了由下式表示的含氮杂环化合物、其盐或水合物,以及由其组成的药物。
其中,环 A 是芳香烃环,可带有一个杂原子,环 B 代表(a) 饱和烃环、(b) 不饱和烃环、(c) 饱和杂环或(d) 不饱和杂环,均可带有取代基,R1 代表氢原子、卤素原子、可被卤素原子取代的 C1-6 烷基、可被卤素原子取代的 C1-6 烷氧基等、R2和R3相同或不同,分别代表氢原子、可被取代基取代的C1-6烷基、可被取代基取代的C3-7环烷基等,R4、R5、R6和R7相同或不同,分别代表氢原子、卤素原子、可被卤素原子取代的C1-6烷基、可被取代基取代的C3-7环烷基、可被取代基取代的C1-6烷氧基等、相邻的 R3、R4、R5 和 R6 可结合形成一个环,该环可被一个可能含有杂原子的 C1-6 烷基取代,L 代表单键、(a) C1-6 亚烷基、(b) C2-6 亚烯基、(c) C2-6 亚炔基、所有这些基团均可带有取代基,或由式-E-G-代表的基团(其中 E 代表氧原子、硫原子、式-CO-、-SO-、-SO2-、-N(R8)-(R8 为氢原子、C1-6 烷基或酰基)、-N(R9)-CO-(R9 为氢原子或 C1-6 烷基)、或-(CH2)m-,其中可带有取代基(m 为 0-6 的整数),G 代表磺酰基,式中 -N(R10)- (R10 代表氢原子、C1-6 烷基或酰基)或-(CH2)n-(n 为 0-6 的整数)、X和Y彼此相同或不同,各自代表氮原子、=CH-或可被C1-6烷基取代的碳原子,该碳原子可带有取代基,但X和Y不能同时是可被C1-3烷基取代的碳原子。