申请人:Nisshin Flour Milling Co., Ltd.
公开号:US05736550A1
公开(公告)日:1998-04-07
Pyrimidine derivatives useful as a gastrointestinal prokinetic agent, represented by formula ##STR1## wherein X is O or NR.sup.5, Y is O, S or NR.sup.5 wherein R.sup.5 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or the like; R.sup.1 and R.sup.2 may be the same or different and each is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or the like; R.sup.3 is CN, or COOR.sup.6 wherein R.sup.6 is a C.sub.1 -C.sub.6 alkyl group, a C.sub.3 -C.sub.6 cycloalkyl group, an aryl group or the like; R.sup.4 is --SR.sup.7 or --NR.sup.8 R.sup.9 wherein R.sup.7 is a C.sub.1 -C.sub.6 alkyl group; R.sup.8 is a C.sub.1 -C.sub.6 alkyl group or the like; R.sup.9 is a hydrogen atom, a C.sub.1 -C.sub.6 alkyl group or the like, or R.sup.8 and R.sup.9 may represent, together with the nitrogen atom to which they are attached, an N-substituted piperazine ring of formula (X) ##STR2## wherein R.sup.10 represents a C.sub.1 -C.sub.6 alkyl group or the like or a pharmacologically acceptable salt thereof. The above-mentioned compounds are useful as a gastrointestinal prokinetic agent used for the therapy of digestive tract diseases.
嘧啶衍生物可用作胃肠促动力药物,其化学式表示为##STR1##其中X为O或NR.sup.5,Y为O、S或NR.sup.5,其中R.sup.5为氢原子、C.sub.1 -C.sub.6烷基或类似物;R.sup.1和R.sup.2可以相同也可以不同,每个都是氢原子、C.sub.1 -C.sub.6烷基或类似物;R.sup.3为CN,或COOR.sup.6,其中R.sup.6为C.sub.1 -C.sub.6烷基、C.sub.3 -C.sub.6环烷基、芳基或类似物;R.sup.4为--SR.sup.7或--NR.sup.8 R.sup.9,其中R.sup.7为C.sub.1 -C.sub.6烷基;R.sup.8为C.sub.1 -C.sub.6烷基或类似物;R.sup.9为氢原子、C.sub.1 -C.sub.6烷基或类似物,或R.sup.8和R.sup.9可以与它们连接的氮原子一起表示为化学式(X)的N-取代哌嗪环,其中R.sup.10代表C.sub.1 -C.sub.6烷基或类似物,或其药理学上可接受的盐。上述化合物可用作治疗消化道疾病的胃肠促动力药物。