The present invention relates to a compound which is represented by the following general formula and has type 4 phosphodiesterase inhibitory action, and uses and an intermediate compound thereof.
(wherein
R1, R2: hydrogen, a halogen, a lower alkyl, a lower alkoxy, or the like,
R3, R4: hydrogen, a (substituted) lower alkyl, a halogen, or the like,
R5: hydrogen, a lower alkyl, a lower alkoxycarbonyl, or the like, and
n: 0 or 1).
本发明涉及一种化合物,该化合物由以下通式表示,并具有4型
磷酸二酯酶抑制作用,以及其
中间体化合物和用途。(其中R1、R2:
氢、卤素、较低的烷基、较低的烷
氧基或类似物,R3、R4:
氢、(取代的)较低的烷基、卤素或类似物,R5:
氢、较低的烷基、较低的烷
氧羰基或类似物,n:0或1)。