申请人:Okamoto, Shosuke
公开号:EP0217286A1
公开(公告)日:1987-04-08
A phenylalanine derivative having the formula (I):
where R' and R2 are independently hydrogen provided that both R' and R2 are nof hydrogen at the same time;
C1-C5 alkyl which may be substituted with hydroxy, hydroxycarbonyl, C1-C4 alkoxycarbonyl, C1-C4 alkyl- mercapto, C,-C4 alkoxy, carbamoyl, sulfamoyl, pyridyl, or phenyl which may further be substituted with nitro, C1-C4 alkoxy, or halogen;
C6-C3 cycloalkyl which may be substituted with hydroxy, C1-C4 alkoxy, hydroxylcarbonyl, C1-C4 alkoxycarbonyl, or C1-C4 alkyl;
phenyl which may be substituted with halogen, nitro, trifluoromethyl, C,-C4 alkoxy, C1-C4 alkylmer- capto, C1-C4 alkylcarbonyl, phenylcarbonyl, hydroxycarbonyl, C1-C4 alkoxycarbonyl, carbamoyl, sulfamoyl, amidino, pyridylcarbonyl, or C1-C6 alkyl which may further be substituted with C1-C4 alkylcarbonyl, hydroxycarbonyl, or C1-C4 alkoxycarbonyl;
pyridyl which may be substituted with halogen or C1-C4 alkoxy;
pyrimidyl;
N-benzylazacyclohexyl; and
R' and R2 may form with the nitrogen atom attached thereto a ring structure as morpholino; thiomorpholino; or piperidyl which may be substituted with phenylcarbonyl, benzyl, or C1-C4 alkyl;
pyrrolidyl which may be substituted with hydroxycarbonyl or C1-C4 alkoxycarbonyl; and
piperidine substituted with C1-C4 alkyl, phenyl C1-C4 alkyl, phenylcarbonyl, or C,-C4 alkoxycarbonyl;
X is hydrogen; nitro; amino; or -OZ wherein Z is hydrogen: C1-C4 alkyl; C2-C4 alkenyl; benzyl which may be substituted with halogen, C1-C4 alkyl, nitro, trifluoromethyl, hydroxycarbonyl, C1-C4 alkoxycarbonyl, or cyano; phenylcarbonylmethyl, pyridylmethyl; phenyl which may be substituted with nitro or halogen; pyridyl or pyrimidyl which may be substituted with nitro; phenylsulfonyl which may be substituted with C1-C4 alkyl; or benzyloxycarbonyl which may be substituted with halogen;
n is 4 to 10; and
the mark indicates that the configuration of the carbon may be either one of D-configuration, L-configuration and DL-configuration or a pharmaceutical acceptable salt thereof.
This phenylalanine derivative is effective as a proteinase inhibitor.
具有式(I)的苯丙氨酸衍生物:
其中 R' 和 R2 独立地为氢,但 R' 和 R2 不能同时为氢;
可被羟基、羟羰基、C1-C4 烷氧羰基、C1-C4 烷基-巯基、C,-C4 烷氧基、氨基甲酰基、氨基磺酰基、吡啶基或苯基取代的 C1-C5 烷基,可进一步被硝基、C1-C4 烷氧基或卤素取代;
可被羟基、C1-C4 烷氧基、羟基羰基、C1-C4 烷氧基羰基或 C1-C4 烷基取代的 C6-C3 环烷基;
可被卤素、硝基、三氟甲基、C,-C4 烷氧基、C1-C4 烷巯基、C1-C4 烷羰基、苯羰基、羟羰基、C1-C4 烷氧羰基、氨基甲酰基、氨基磺酰基、脒基、吡啶羰基取代的苯基,或可进一步被 C1-C4 烷羰基、羟羰基或 C1-C4 烷氧羰基取代的 C1-C6 烷基;
可被卤素或 C1-C4 烷氧基取代的吡啶基
嘧啶基;
N-苄基氮杂环己基;以及
R'和R2可与相连的氮原子形成环状结构,如吗啉基;硫代吗啉基;或可被苯甲酰、苄基或C1-C4烷基取代的哌啶基;
可被羟羰基或 C1-C4 烷氧基羰基取代的吡咯烷基;以及
被 C1-C4 烷基、苯基 C1-C4 烷基、苯基羰基或 C,-C4烷氧基羰基取代的哌啶;
X 是氢;硝基;氨基;或-OZ,其中 Z 是氢:C1-C4烷基;C2-C4烯基;可被卤素、C1-C4烷基、硝基、三氟甲基、羟基羰基、C1-C4烷氧基羰基或氰基取代的苄基;苯基羰基甲基、吡啶基甲基;可被硝基或卤素取代的苯基;可被硝基取代的吡啶基或嘧啶基;可被C1-C4烷基取代的苯磺酰基;或可被卤素取代的苄氧羰基;
n 为 4 至 10;以及
标记表示碳的构型可以是 D-构型、L-构型和 DL-构型之一或其药物可接受盐。
这种苯丙氨酸衍生物作为蛋白酶抑制剂是有效的。