The present invention is directed to a group of compounds which are imidazo[2,1-b]quinazolin-5(3H)-ones, related tricyclic compounds, and pharmaceutically acceptable salts thereof. These compounds are useful as bronchodilators. These compounds are prepared by the reaction of an appropriate hydrazine with an appropriate 1-substituted-2-methyl-2-imidazoline or chemically equivalent compound.
本发明涉及一组
咪唑并[2,1-b]
喹唑啉-5(3H)-酮化合物、相关的
三环化合物及其药用可接受的盐。这些化合物可用作支气管扩张剂。这些化合物是通过适当的
肼与适当的1-取代-2-甲基-
2-咪唑啉或
化学等效物质的反应制备的。