申请人:Kowa Company, Ltd.
公开号:US04394382A1
公开(公告)日:1983-07-19
A benzopyran compound represented by the following ##STR1## wherein A represents a direct bond or the bond --CH.sub.2 --O--, R.sub.1 represents a member selected from the group consisting of a C.sub.3 -C.sub.5 alkyl group, a hydroxy-(C.sub.3 -C.sub.5 alkyl) group, a lower alkylamino-lower alkyl group, a nitrato-(C.sub.3 -C.sub.5 alkyl) group and a phenyl-(C.sub.1 -C.sub.5) alkyl group, provided that the phenyl may be substituted by a lower alkoxy group, R.sub.2 represents a member selected from the group consisting of hydrogen, halogen, OH, NO.sub.2, a carbamoyl group, a lower alkyl group, a lower alkoxy group, a lower alkyleneoxy group and acetyl group, R.sub.3 represents hydrogen or NO.sub.2, B represents a direct bond, a C.sub.1 -C.sub.7 alkylene group, a --O-lower alkylene group or a --CONH-lower alkylene group, and n represents 1 or 2; and an acid addition salt thereof and a pharmaceutical composition comprising aforesaid compound.
以下为苯并吡喃类化合物的结构式:##STR1## 其中A代表直接键或键--CH.sub.2 --O--,R.sub.1代表从群组中选择的一种成员,所述群组包括C.sub.3-C.sub.5烷基,羟基-(C.sub.3-C.sub.5烷基)基,较低的烷基氨基-较低的烷基基团,硝酸酯-(C.sub.3-C.sub.5烷基)基和苯基-(C.sub.1-C.sub.5)烷基,其中苯基可以被较低的烷氧基取代,R.sub.2代表从群组中选择的一种成员,所述群组包括氢、卤素、OH、NO.sub.2、氨基甲酰基、较低的烷基、较低的烷氧基、较低的烷基氧基和乙酰基,R.sub.3代表氢或NO.sub.2,B代表直接键、C.sub.1-C.sub.7烷基、--O-较低烷基基团或--CONH-较低烷基基团,n代表1或2;以及其酸加成盐和包含上述化合物的药物组合物。