申请人:Eisai Co., Ltd.
公开号:US05298649A1
公开(公告)日:1994-03-29
A naphthalene derivative having the formula is new and useful for medicine. ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group or an acyl group; R.sup.2 independently represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, a halogen atom, a cycloalkyl group, a cycloalkylalkyl group, a hydroxyl group, an aryl group which may be substituted, an arylalkyl group whose aryl group may be substituted, a heteroaryl group, or a heteroarylalkyl group; R.sup.3 and R.sup.4 are the same or different and represent a hydrogen atom, a lower alkyl group, a lower alkenyl group, an aryl group which may have a substituent, an arylalkyl group whose aryl group may be substituted, an arylalkenyl group whose aryl group may be substituted, a cycloalkyl group, an alkoxyalkyl group, a heteroaryl group, a heteroarylalkyl group, a carboxyl group, a carboxyalkyl group, an aminoalkyl group, or a cyano group; R.sup.5 represents a group of the formula, --OR.sup.7, (wherein R.sup.7 represents a hydrogen atom or a lower alkyl group), or a group of the formula, ##STR2## (wherein R.sup.8 and R.sup.9 are the same or different and represent a hydrogen atom or a lower alkyl group.
一种具有以下结构式的萘衍生物,用于医药上是新的和有用的:##STR1##其中,R1代表氢原子,较低的烷基或酰基;R2独立地代表氢原子,较低的烷基,较低的烷氧基,卤原子,环烷基,环烷基烷基,羟基,取代的芳基,其芳基可以取代的芳基烷基,杂环芳基或杂环芳基烷基;R3和R4相同或不同,代表氢原子,较低的烷基,较低的烯基,可能具有取代基的芳基,其芳基可以取代的芳基烷基,其芳基可以取代的芳基烯基,环烷基,烷氧基烷基,杂环芳基,杂环芳基烷基,羧基,羧基烷基,氨基烷基或氰基;R5代表以下式的基团,--OR7(其中R7代表氢原子或较低的烷基),或以下式的基团:##STR2##(其中,R8和R9相同或不同,代表氢原子或较低的烷基)。