The invention provides compounds of formula 1
wherein R1, R3, and R4 are as defined, and their pharmaceutically acceptable salts. Compounds of formula 1 are indicated to have activity inhibiting cdk5, cdk2, and GSK-3. Pharmaceutical compositions and methods comprising compounds of formula 1 for treating diseases and conditions comprising abnormal cell growth, such as cancer, and neurodegenerative diseases and conditions and those affected by dopamine neurotransmission are described. Also described are pharmaceutical compositions and methods comprising compounds of formula 1 for treating male fertility and sperm motility; diabetes mellitus; impaired glucose tolerance; metabolic syndrome or syndrome X; polycystic ovary syndrome; adipogenesis and obesity; myogenesis and frailty, for example age-related decline in physical performance; acute sarcopenia, for example muscle atrophy and/or cachexia associated with burns, bed rest, limb immobilization, or major thoracic, abdominal, and/or orthopedic surgery; sepsis; hair loss, hair thinning, and balding; and immunodeficiency.
本发明提供了式 1 的化合物
其中 R1、R3 和 R4 如所定义,以及它们的药学上可接受的盐类。式 1 的化合物具有抑制 cdk5、cdk2 和 GSK-3 的活性。描述了包含式 1 化合物的药物组合物和方法,用于治疗包含异常细胞生长的疾病和病症,如癌症、神经退行性疾病和病症以及受
多巴胺神经传递影响的疾病和病症。还描述了包含式 1 化合物的药物组合物和方法,用于治疗男性生育力和精子活力、糖尿病、糖耐量受损、代谢综合征或 X 综合征、多囊卵巢综合征、脂肪生成和肥胖症;肌肉生成和虚弱,例如与年龄有关的体能下降;急性肌肉疏松症,例如与烧伤、卧床休息、肢体固定或胸部、腹部和/或骨科大手术有关的肌肉萎缩和/或恶病质;败血症;脱发、头发稀疏和秃顶;以及免疫缺陷。