申请人:Sumitomo Chemical Company, Limited
公开号:US04080328A1
公开(公告)日:1978-03-21
Novel N-substituted heterocyclic derivatives represented by the formula, ##STR1## wherein R is hydrogen or lower alkanoyl; R.sub.1 is hydrogen, lower alkyl, lower alkoxy, halogen, nitro, trifluoromethyl, amino or N-lower alkanoylamino; R.sub.2 is hydrogen, halogen, amino or N-lower alkanoylamino; W is oxygen, sulfur, sulfinyl or sulfonyl; and Y is ##STR2## (wherein R.sub.3 is hydrogen, lower alkyl or lower alkanoyl; and R.sub.4 is hydrogen, halogen or lower alkyl), and pharmaceutically acceptable salts thereof, which have excellent anti-inflammatory, analgesic, sedative, anti-convulsive or anti-hypertensive activities.
该专利描述了一种新型N-取代杂环衍生物,其化学式如下:##STR1## 其中R为氢或低碳酰基;R.sub.1为氢、低烷基、低烷氧基、卤素、硝基、三氟甲基、氨基或N-低碳酰胺基;R.sub.2为氢、卤素、氨基或N-低碳酰胺基;W为氧、硫、亚磺酰基或磺酰基;Y为##STR2##(其中R.sub.3为氢、低烷基或低碳酰基;R.sub.4为氢、卤素或低烷基),以及其药学上可接受的盐。该化合物具有优异的抗炎、镇痛、镇静、抗惊厥或降压活性。