申请人:Kotobuki Seiyaku Co., Ltd.
公开号:US04749705A1
公开(公告)日:1988-06-07
New quinazoline derivatives are disclosed, as represented by the following formula: ##STR1## wherein A is hydrogen atom or lower alkyloxy group; R.sub.4 is hydrogen atom, a lower alkyl, lower alkyloxy or a halogen atom group. Y is hydrogen atom, lower alkyloxy, sulfamoyl or Y and R.sub.4, taken together, are joined to form --O--CH.sub.2 --CH.sub.2 --O--; Z is a 4-oxopiperidino, 4-thioxopiperidino, 4-oximepiperidino, 4-O-loweralkyl-oxime-piperidino, 4-O-(3-lower alkyl-2-hydroxypropyl)-oxime-piperidino, 4-O-(3-lower alkylamino-2-hydroxypropyl)-oxime-piperidino or 4-O-(3-N'-lower alkyl, N'-benzylamino-2-hydroxypropyl)-oxime-piperidino group. These compounds are useful as anti-hypertensive agents.
揭示了新的喹唑啉衍生物,表示为以下公式:##STR1##其中A是氢原子或较低的烷氧基团;R.sub.4是氢原子、较低的烷基、较低的烷氧基或卤原子基。Y是氢原子、较低的烷氧基、磺胺酰基或Y和R.sub.4一起结合形成--O--CH.sub.2--CH.sub.2--O--;Z是4-氧代哌啶基、4-硫代哌啶基、4-氧肟哌啶基、4-氧代较低烷氧基肟哌啶基、4-氧代(3-较低烷基-2-羟基丙基)-肟哌啶基、4-氧代(3-较低烷基氨基-2-羟基丙基)-肟哌啶基或4-氧代(3-N'-较低烷基、N'-苄氨基-2-羟基丙基)-肟哌啶基。这些化合物可用作降血压药物。