A novel series of oxazole derivatives having enhanced water solubility bioavailability and metabolic stability is disclosed in the Formula I ##STR1## Y is CH.sub.3, Ph, or OH, provided that when Y is OH, the compound exists in the keto-enol tautaumerism form ##STR2## R.sup.1 is Ph or Th; R.sup.2 is H or CH.sub.2 R.sup.3 ; R.sup.3 is H, OCH.sub.3, C.sub.1 -C.sub.5 lower alkyl, or CO.sub.2 R.sup.4 ; R.sup.4 is H or C.sub.1 -C.sub.5 lower alkyl; R.sup.5 is H or CH.sub.3 ; R.sup.6 is OHCHN or H.sub.2 N; and R.sup.7 is H or OH; or pharmaceutically acceptable salt thereof. The compounds are useful as inhibitors of ADP-induced blood platelet aggregation in human platelet-rich plasma.
                            公开了一种具有增强的
水溶性、
生物利用度和代谢稳定性的
噁唑衍
生物新系列,其
化学式为I ##STR1##其中,Y为CH.sub.3、Ph或OH,但当Y为OH时,该化合物存在于酮-烯醇互变异构体形式##STR2## R.sup.1为Ph或Th;R.sup.2为H或CH.sub.2 R.sup.3;R.sup.3为H、OCH.sub.3、C.sub.1-C.sub.5低级烷基或CO.sub.2 R.sup.4;R.sup.4为H或C.sub.1-C.sub.5低级烷基;R.sup.5为H或CH.sub.3;R.sup.6为OHCHN或H.sub.2 N;R.sup.7为H或OH;或其药学上可接受的盐。这些化合物可用作人体富含血小板的血浆中
ADP诱导的血小板聚集的
抑制剂。