申请人:Shionogi & Co., Ltd.
公开号:US05047540A1
公开(公告)日:1991-09-10
Lipid derivatives represented by the formula: ##STR1## wherein R.sub.1 is alkyl or alkylcarbamoyl; R.sub.2 is lower alkyloxy, lower alkylcarbamoyloxy, lower alkylcarbonylamino, lower alkyloxycarbonylamino, lower alkylureido, lower alkyloxymethyl, lower alkylcarbonylmethyl, cyanomethyl, heterocyclic group, or he0 terocyclyloxy; R.sub.2 ' is hydrogen or R.sub.2 and R.sub.2 ' taken together form --O(CH.sub.2).sub.m -- wherein m is an integer of 1 to 5; R.sub.3, R.sub.4, and R.sub.5 each is hydrogen or lower alkyl or two or three of R.sub.3, R.sub.4, and R.sub.5 taken together with the adjacent nitrogen atom form cyclic ammonio; R.sub.6 is hydrogen or lower alkylcarbonyl; X.sup.- is a counter anion; Y is oxygen or sulfur; and n is an integer of 1 to 10, being useful as PAF antagonists, e.g., as antithrombotic, antivasoconstricting, antibronchoconstricting agent or antitumor agent.
脂质衍生物的化学式表示为:##STR1## 其中 R.sub.1 是烷基或烷基氨基甲酰基;R.sub.2 是较低的烷氧基、较低的烷基氨基甲酰氧基、较低的烷基羰基氨基、较低的烷氧羰基氨基、较低的烷基脲基、较低的烷氧甲基、较低的烷基羰基甲基、氰甲基、杂环基团或杂环氧基;R.sub.2 ' 是氢或 R.sub.2 和 R.sub.2 ' 结合形成 --O(CH.sub.2).sub.m --,其中 m 是 1 到 5 的整数;R.sub.3、R.sub.4 和 R.sub.5 每个是氢或较低的烷基,或 R.sub.3、R.sub.4 和 R.sub.5 中的两个或三个与相邻的氮原子结合形成环状铵基;R.sub.6 是氢或较低的烷基羰基;X.sup.- 是一个对离子;Y 是氧或硫;n 是 1 到 10 的整数,可用作 PAF 拮抗剂,例如作为抗血栓、抗血管收缩、抗支气管收缩剂或抗肿瘤剂。