申请人:BOEHRINGER INGELHEIM ITALIA S.p.A.
公开号:EP0382687A2
公开(公告)日:1990-08-16
Pharmacologically active benzofused-N-containing heterocycle derivatives are described as muscarinic receptor blocking agents useful for the treatment of gastrointestinal and respiratory tract disorders of the following formula:
wherein
R represents H or C₁₋₆ alkyl;
R₁ and R₂ represent H, halogen, C₁₋₆ alkyl, C₁₋₆ alkoxy, C₁₋₆ alkylthio, C₁₋₆ alkoxycarbonyl, carboxyl, hydroxy, nitro, cyano, optionally C₁₋₄ alkyl mono- or disubstituted carbamoyl, optionally C₁₋₄ alkyl mono- or disubstituted amino, C₁₋₆ acylamino, C₁₋₄ alkoxy carbonylamino, C₁₋₆ alkylsulphynyl, C₁₋₆ alkylsulphonyl, C₁₋₆ acyl;
R₃ represents H, C₁₋₆ alkyl, aryl, aralkyl or it may be absent;
A represents CO, C = S, S -> O or
B represents nitrogen when R₃ is absent and the B-D bond is single, or it is carbon;
D represents CO, CH₂-CH₂,
when the B-D bond is single, or D is C-R when the D-B bond is double, in which R₄ represents H, C₁₋₆ alkyl, aryl, aralkyl, hydroxy, C₁₋₄ alkoxy and R₅ represents H;
X represents oxygen, N-R or it is absent;
Y represents a basic group selected from:
in which n is 2 or 3; p is 0 or 1 at the same time or not; q is 0, 2 or 3; R₆ and R₇ may be at the same time or not H, C₁₋₄ alkyl, aralkyl or, when R₇ is H or C₁₋₄ alkyl, R₆ may be
in which R₈ represents H, C₁₋₄ alkyl or amino.
The processes for the preparation of the compounds of formula (I) as well as pharmaceutical compositions containing them are also described.
具有药理活性的含苯并呋喃-N-杂环衍生物可作为毒蕈碱受体阻断剂用于治疗胃肠道和呼吸道疾病,如下式所示:
其中
R 代表 H 或 C₁₋₆ 烷基;
R₁ 和 R₂ 代表 H、卤素、C₁₋₆ 烷基、C₁₋₆ 烷氧基、C₁₋₆ 烷硫基、C₁₋₆ 烷氧羰基、羧基、羟基、硝基、氰基、任选 C₁₋₄烷基单取代或二取代氨基甲酰基、任选的 C₁₋₄烷基单-或二取代氨基、C₁₋₆ 氨基烷基、C₁₋₄烷氧基氨基羰基、C₁₋₆ 氨基烷基、C₁₋₆ 氨基烷基、C₁₋₆ 氨基烷基磺酰基、C₁₋₆ 氨基酰基;
R₃ 代表 H、C₁₋₆ 烷基、芳基、芳烷基,也可以不含;
A 代表 CO、C = S、S -> O 或
当 R₃ 不存在且 B-D 键为单键时,B 代表氮,或者代表碳;
D 代表 CO、CH₂-CH₂、
其中 R₄ 代表 H、C₁₋₆ 烷基、芳基、芳烷基、羟基、C₁₋₄ 烷氧基,R₅ 代表 H;
X 代表氧、N-R 或不存在;
Y 代表选自下列各项的碱性基团
其中 n 是 2 或 3;p 同时是或不是 0 或 1;q 是 0、2 或 3;R₆ 和 R₇ 可以同时是或不是 H、C₁₋₄ 烷基、芳烷基,或者当 R₇ 是 H 或 C₁₋₄ 烷基时,R₆ 可以是
其中 R₈ 代表 H、C₁₋₄ 烷基或氨基。
此外,还介绍了制备式 (I) 化合物以及含有这些化合物的药物组合物的工艺。