申请人:Tanabe Seiyaku Co., Ltd.
公开号:US05342941A1
公开(公告)日:1994-08-30
Naphthalene derivative of the formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different and are hydrogen atom, hydroxy group, cyclo-lower alkyloxy group, substituted or unsubstituted lower alkoxy group, or both combine each other to form lower alkylenedioxy group, R.sup.3 is substituted or unsubstituted nitrogen-containing 6-membered heterocyclic group, and groups of the formulae: --OR.sup.4 and --OR.sup.5 are the same or different and are protected or unprotected hydroxy group, processes for preparing thereof, and synthetic intermediates therefor, these compounds have excellent bronchodilating activity, and are useful in the prophylaxis and treatment of asthma.
萘衍生物的化学式[I]:其中R.sup.1和R.sup.2相同或不同,可以是氢原子、羟基、环低烷氧基、取代或未取代的低烷氧基,或者结合在一起形成低烷二氧基基团,R.sup.3是取代或未取代的含氮6元杂环基团,化学式--OR.sup.4和--OR.sup.5的基团相同或不同,可以是保护或未保护的羟基,其制备方法以及合成中间体,这些化合物具有出色的支气管扩张活性,在哮喘的预防和治疗中具有用途。