申请人:Takeda Chemical Industries, Ltd.
公开号:US04148897A1
公开(公告)日:1979-04-10
Novel 1,2-dihydronaphthalene derivatives of the formula ##STR1## wherein R.sup.1 and R.sup.2, independently of each other, are hydrogen, nitro, amino, halogen, or hydroxyl which may be protected, and R.sup.3 is a piperazinyl or morpholino group which may be substituted by lower alkyl, aralkyl, carboxylic acid-derived acyl, lower alkoxycarbonyl-lower alkyl or cycloaminocarbonyl-lower alkyl, and its salts have excellent pharmacological activities such as vasodilator and cerebral blood flow increasing activities.
1,2-二氢萘衍生物的新颖化合物,化学式为##STR1##其中R.sup.1和R.sup.2分别独立地是氢、硝基、氨基、卤素或羟基(可能被保护),R.sup.3是哌嗪基或吗啉基(可能被较低烷基、芳基烷基、羧酸衍生酰基、较低烷氧羰基-较低烷基或环氨基羰基-较低烷基取代),其盐具有出色的药理活性,如扩张血管和增加脑血流活性。