An optically active form of the quinazolinone derivatives represented by the general formula (1):
[wherein Y represents a phenyl group or C2-C7 alkyl group; E represents —CH═ or nitrogen atom; and R represents a C1-C4 alkyl group and so on], or pharmaceutically acceptable salts thereof, has a selective antagonism for the M3 muscarinic receptor and depressant action on the frequency of rhythmic bladder contractions, and it is useful for the treatment of pollakiuria and urinary incontinence.
一种光学活性的
喹唑啉酮衍
生物,其通式表示为(1):[其中Y表示苯基或C2-C7烷基;E表示-CH═或氮原子;R表示C1-C4烷基等],或其药学上可接受的盐,具有选择性拮抗M3
胆碱能受体和抑制节律性膀胱收缩频率的作用,可用于治疗尿频和尿失禁。