申请人:Mead Johnson & Company
公开号:US04060615A1
公开(公告)日:1977-11-29
A series of novel 4-amino or 4-hydrazino-2-(substituted piperazinyl)-6,7-dimethoxyquinazolines is disclosed having antihypertensive and phosphodiesterase inhibiting properties. Piperazinyl substituents include cycloalkenylcarbonyl, cycloalkylcarbonyl, and methylcycloalkylcarbonyl. A representative embodiment of the invention is 4-amino-2-[4-(cyclopentylcarbonyl)-1-piperazinyl]-6,7-dimethoxyquinazoline .
一系列新颖的4-氨基或4-联氨基-2-(取代哌嗪基)-6,7-二甲氧基喹唑啉类化合物被披露,具有降压和磷酸二酯酶抑制特性。哌嗪基取代物包括环烯基羰基、环烷基羰基和甲基环烷基羰基。该发明的代表性实施例是4-氨基-2-[4-(环戊基羰基)-1-哌嗪基]-6,7-二甲氧基喹唑啉。