A 6-phenyltetrahydro-1,3-oxazin-2-one derivative having the formula (I):
wherein, R1 is an unsubstituted or substituted C1 to C8 alkyl group; an unsubstituted or substituted C3 to C7 cycloalkyl group;, etc., R2 is a C1 to C4 alkyl group, R3 is H; an unsubstituted or substituted C1 to C5 alkyl group; etc., R4 is H; an unsubstituted or substituted C1 to C6 alkyl group, and R5 and R6 are independently a hydrogen atom; an unsubstituted or substituted C1 to C5 alkyl group; etc. an optical isomer thereof, or a pharmacologically acceptable salt thereof, or a hydrate or a solvate thereof and pharmaceutical compositions containing the same, in particular a drug for the prevention or treatment of inflammatory diseases and a drug for asthma.
The above 6-phenyltetrahydro-1,3-oxazin-2-one derivative has a strong type IV PDE inhibitory activity and has a bronchiodilator and antiinflammatory effects.
一种具有式(I)的 6-
苯基四
氢-1,3-恶嗪-2-
酮衍
生物:
其中,R1 是未取代或取代的 C1 至 C8 烷基;未取代或取代的 C3 至 C7
环烷基;等等,R2 是 C1 至 C4 烷基,R3 是 H;未取代或取代的 C1 至 C5 烷基;等等、R4为H;未取代或取代的C1至C6烷基,R5和R6独立地为
氢原子;未取代或取代的C1至C5烷基;等,其光学异构体,或其药理学上可接受的盐,或其
水合物或溶液,以及含有上述物质的药物组合物,特别是一种预防或治疗炎症性疾病的药物和一种治疗哮喘的药物。
上述 6-
苯基四
氢-1,3-恶嗪-2-
酮衍
生物具有很强的 IV 型 PDE 抑制活性,并具有支气管扩张和抗炎作用。