申请人:Shionogi & Co., Ltd.
公开号:US04882338A1
公开(公告)日:1989-11-21
A compound of the formula: ##STR1## (wherein R is hydrogen, hydroxy, methoxy, acetoxy, acetoxymethyl or trifluoromethyl; R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each is hydrogen, hydroxy, optionally substituted C.sub.1 -C.sub.5 alkoxy, acetoxy, propynyloxy, allyloxy or benzyloxy; or R.sup.2 and R.sup.3 taken together form methylenedioxy; R.sup.5 is hydrogen, hydroxymethyl, C.sub.2 -C.sub.4 alkoxycarbonyl, C.sub.2 -C.sub.5 acyloxymethyl or phthalidyl; and n is 0 or 1 except for the case in which R is methoxy and R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 each is hydrogen) or its pharmaceutically acceptable acid addition salt, being useful as anti-ulcer agents is provided through several routes.
提供一种具有以下式子的化合物:##STR1## 其中R为氢、羟基、甲氧基、乙酰氧基、乙氧甲基或三氟甲基;R.sup.1、R.sup.2、R.sup.3和R.sup.4各为氢、羟基、可选取代的C.sub.1-C.sub.5烷氧基、乙酰氧基、丙炔氧基、烯丙氧基或苄氧基;或R.sup.2和R.sup.3共同形成亚甲二氧基;R.sup.5为氢、羟甲基、C.sub.2-C.sub.4烷氧羰基、C.sub.2-C.sub.5酰氧甲基或邻苯二甲酰亚基;n为0或1,但当R为甲氧基且R.sup.1、R.sup.2、R.sup.3、R.sup.4和R.sup.5各为氢时,n为1。其药学上可接受的酸盐可作为抗溃疡剂通过几种途径提供。