Methods of preparing substituted 3-phenyl- and 3-pyridyl-4(3H)-quinazolinones and atropisomers thereof
申请人:Pfizer Products Inc.
公开号:EP0934934A3
公开(公告)日:1999-10-13
This invention is directed to methods for the preparation of quinazolin-4-one derivatives of the formula
and the pharmaceutically acceptable salts and atropisomers of the formula
and the pharmaceutically acceptable salts thereof, wherein Ar, R1, R2, X and Y are as defined in the specification. The quinazolin-4-one derivatives prepared according to the methods of this invention are α-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) inhibitors and are useful for the treatment of various neurologic disorders and conditions including Parkinson's Disease, epilepsy, emesis, eschemia, stroke, traumatic brain and spinal cord injury, and so forth.The present invention also relates to compounds of the formulae
本发明涉及制备公式所示的喹唑啉-4-酮衍生物及其药学上可接受的盐和异构体的方法,以及制备公式中所定义的Ar、R1、R2、X和Y的药学上可接受的盐。根据本发明方法制备的喹唑啉-4-酮衍生物是α-氨基-3-羟基-5-甲基-4-异噁唑丙酸(AMPA)抑制剂,可用于治疗各种神经疾病和病况,包括帕金森病、癫痫、呕吐、缺血、中风、创伤性脑和脊髓损伤等。本发明还涉及公式化合物。