申请人:YOSHITOMI PHARMACEUTICAL INDUSTRIES, LTD.
公开号:EP0601184A1
公开(公告)日:1994-06-15
A fused pyridazine compound represented by the general formula (I) and an antianxiety drug containing the same as the active ingredient: wherein R¹ represents carboxyl, formyl, cyano, hydroxy-iminomethyl, acyl, etc.; R² represents hydrogen, C₁ to C₈ alkyl, hydroxyalkyl, alkanoyloxyalkyl, aryl, aralkyl, heteroaryl, etc.; A represents sulfur or -CH=CH-; E represents -CH₂- or -S(O)m-, wherein m represents 0, 1 or 2; n represents 1 or 2; and the bond represented by both solid and broken lines is either a single or a double bond; provided that when A represents sulfur, E represents -CH₂-, while when A represents -CH=CH-, E represents -S(O)m-, wherein m represents 0, 1 or 2, and n represents 2. This compound is reduced in side effects such as muscular relaxation, anesthesia potentiation, sedation, sleep/alcohol potentiation, etc., thus being useful as an antianxiety drug which selectively acts against anxiety.
一种由通式(I)代表的融合哒嗪化合物和一种以其为有效成分的抗焦虑药物: 其中R¹代表羧基、甲酰基、氰基、羟基亚氨甲基、酰基等;R²代表氢、C₁至C₈烷基、羟基烷基、烷酰氧基烷基、芳基、芳烷基、杂芳基等。A代表硫或-CH=CH-;E代表-CH₂-或-S(O)m-,其中m代表0、1或2;n代表1或2;实线和断线所代表的键为单键或双键;条件是当A代表硫时,E代表-CH₂-,而当A代表-CH=CH-时,E代表-S(O)m-,其中m代表0、1或2,n代表2。这种化合物可减少副作用,如肌肉松弛、麻醉增效、镇静、睡眠/酒精增效等,因此可作为抗焦虑药物,选择性地对抗焦虑。