Dihydropyridine derivatives, processes for their preparation and pharmaceutical compositions thereof
申请人:FISONS plc
公开号:EP0225175A2
公开(公告)日:1987-06-10
There are described compounds of Formula I,
in which R₁, R₂, R₃ and R₄ are as defined in the specification,
R₅ is alkyl optionally interrupted by an amide group and optionally substituted by halogen or by a carboxy or a heterocyclic group,
X is -O-, -NR-, -S(O)m₁, or a bond,
Z is hydrogen or together with R forms a bond,
R is hydrogen, alkyl or together with Z forms a bond,
R₆ is a 5 or 6 membered unsaturated nitrogen containing heterocyclic ring, optionally fused to a phenyl ring and optionally substituted by one or more of oxo, hydroxy, alkyl, -(CH₂)n₁NH₂, alkoxy, phenyl or -COOH,
and when X is -NR- or -S(O)m₁-, R₆ may in addition be hydrogen or a group -CH₂CH₂NH₂, -CH₂CH₂-het. or NHC(=NH)NH₂,
when X is -O-, R₆ may also be a group -NH₂, -C(=O) (CH₂)nNH₂, -CH₂CH₂NR₁₄R₁₅ or CH₂CH₂OCH₂CH₂NR₁₄R₁₅,
when X is -NR-, -S(O)m₁-, or a bond, R₆ may also be hydrogen or a group -C(=NR₁₂)NHR₁₃,
R₁₃ and R₁₄ may be hydrogen or alkyl,
R₁₂ is hydrogen, alkylcarbonyl, nitrile or hydroxy,
R₁₅ is hydrogen or a group R₁₁,
m and m₁ are each 0, 1 or 2,
n is 0 or 1,
n₁ is an integer from 0 to 6
and pharmaceutically acceptable salts, esters, amides, analogues and protected derivatives thereof.
所述化合物为式 I、
其中 R₁、R₂、R₃ 和 R₄ 如说明书中所定义、
R₅ 是任选被酰胺基打断并任选被卤素或羧基或杂环基取代的烷基、
X 是-O-、-NR-、-S(O)m₁ 或键、
Z 是氢,或与 R 形成键、
R 是氢、烷基或与 Z 共同形成键、
R₆ 是 5 或 6 个成员的不饱和含氮杂环,可选择与苯基环融合,并可选择被氧 化物、羟基、烷基、-(CH₂)n₁NH₂、烷氧基、苯基或-COOH 中的一个或多个取代、
当 X 为-NR-或-S(O)m₁-时,R₆ 还可以是氢或基团-CH₂CH₂NH₂、-CH₂CH₂-热或 NHC(=NH)NH₂ 、
当 X 为 -O- 时,R₆ 也可以是基团 -NH₂、-C(=O) (CH₂)nNH₂, -CH₂CH₂NR₁₄R₁₅ 或 CH₂CH₂OCH₂CH₂NR₁₄R₁₅、
当 X 为-NR-、-S(O)m₁- 或键时,R₆ 也可以是氢或基团-C(=NR₁₂)NHR₁₃、
R₁₃ 和 R₁₄ 可以是氢或烷基、
R₁₂ 是氢、烷基羰基、腈或羟基、
R₁₅ 是氢或基团 R₁₁、
m 和 m₁ 均为 0、1 或 2、
n 为 0 或 1、
n₁ 是 0 至 6 的整数
及其药学上可接受的盐、酯、酰胺、类似物和受保护的衍生物。