申请人:Ciba-Geigy Corporation
公开号:US04013708A1
公开(公告)日:1977-03-22
New compounds of the general formula I r.sub.1 -- ph -- X -- CR.sub.2 R.sub.4 -- alk -- R.sub.3 (I) wherein R.sub.1 denotes a cycloalkenyl radical or a monocyclic cycloalkyl radical, Ph denotes an optionally substituted phenylene radical, X denotes the oxy or thio group, R.sub.2 denotes hydrogen or alkyl, R.sub.3 denotes an optionally functionally modified carboxyl group, a sulpho group or a sulphamido group, alk denotes an alkylene or alkenylene radical which separates the groups R.sub.1 --Ph--X--CR.sub.2 R.sub.4 and R.sub.3 by at least 2 carbon atoms and R.sub.4 is hydrogen or, if alk separates the groups R.sub.1 --Ph--X--CR.sub.2 R.sub.4 and R.sub.3 by at least 3 carbon atoms or R.sub.1 denotes a cycloalkenyl radical, R.sub.4 can also denote alkyl, in the free form or in the form of salts are useful as antiallergics.
通式I r.sub.1 -- ph -- X -- CR.sub.2 R.sub.4 -- alk -- R.sub.3 (I) 的新化合物,其中R.sub.1表示环烯基基团或单环烷基基团,Ph表示可选取代的苯基基团,X表示氧或硫基团,R.sub.2表示氢或烷基,R.sub.3表示可选的功能化修饰的羧基、磺酸基或磺酰胺基,alk表示将R.sub.1 --Ph--X--CR.sub.2 R.sub.4和R.sub.3分隔至少2个碳原子的烷基或烯基基团,R.sub.4为氢或者,如果alk将R.sub.1 --Ph--X--CR.sub.2 R.sub.4和R.sub.3分隔至少3个碳原子或R.sub.1表示环烯基基团,则R.sub.4还可以表示烷基,在自由形式或盐形式下可用作抗过敏剂。