The present invention provide compounds exemplified by 2(R or S)-[2R-(S-Hydroxy-hydroxycarbamoyl-methyl)-4-methyl-pentanoylamine]-2-phenyl-ethanoic acid cyclopentyl ester; 2(R or S)-(3S-Hydroxycarbamoyl-2R-isobutyl-hex-5-enoylamino)-2-phenylethanoic acid isopropyl ester; 2(R or S)-[2R-(S-Hydroxycarbamoyi-methoxy-methyl)-4-methyl-pentanoylamino]-3-phenylethanoic acid cyclopentyl ester; 2(R or S)-(3S-Hydroxycarbamoyl-2R-isobutyl-hex-5-enoylamino)-2-(4-methoxyphenyl)ethanoic acid cyclopentyl ester; 2(R or S)-(3S-Hydroxycarbamoyl-2R-isobutyl-hex-5-enoylamino)-2-(thien-2-yl)ethanoic acid cyclopentyl ester; and 2(R or S)-(3S-Hydroxycarbamoyl-2R-isobutyl-hex-5-enoylamino)-2-(thien-3-yl)ethanoic acid cyclopentyl ester are cytostatic agents. Methods of treating proliferative cell growth disorders as well a methods of inhibiting hyper-proliferative cells are also disclosed.
本发明提供了一系列化合物,例如2(R或S)-[2R-(S-羟基羟基甲酰胺基)-4-甲基-戊酰胺基]-2-
苯乙酸环戊酯;2(R或S)-(3S-羟基甲酰胺基-2R-异丁基-己-5-烯酰
氨基)-2-
苯乙酸异丙基酯;2(R或S)-[2R-(S-羟基甲酰胺甲氧基甲基)-4-甲基-戊酰胺基]-3-
苯乙酸环戊酯;2(R或S)-(3S-羟基甲酰胺基-2R-异丁基-己-5-烯酰
氨基)-2-(4-
甲氧基苯基)
乙酸环戊酯;2(R或S)-(3S-羟基甲酰胺基-2R-异丁基-己-5-烯酰
氨基)-2-(
噻吩-2-基)
乙酸环戊酯;以及2(R或S)-(3S-羟基甲酰胺基-2R-异丁基-己-5-烯酰
氨基)-2-(
噻吩-3-基)
乙酸环戊酯均为抗增殖剂。还公开了治疗增殖性细胞生长障碍的方法以及抑制高增殖细胞的方法。