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公开(公告)号:US4714766A
公开(公告)日:1987-12-22
申请号:US885148
申请日:1986-07-14
IPC分类号: C07D263/58 , C07D263/54
CPC分类号: C07D263/58
摘要: The process for the preparation of 2-chlorobenzoxazoles of the formula ##STR1## wherein R.sup.1 and R.sup.2, independently of one another, are hydrogen or halogen comprising reacting a benzoxazolinone of the formula ##STR2## with a molar excess of phosphorus pentachloride.
摘要翻译: 制备式“IMAGE”的2-氯苯并恶唑的方法,其中R1和R2彼此独立地是氢或卤素,包括使式“IMAGE”的苯并恶唑啉酮与摩尔过量的五氯化磷反应。