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    • 10. 发明授权
    • Process for preparing oxazepinones
    • 制备恶唑草酮的方法
    • US4667031A
    • 1987-05-19
    • US787462
    • 1985-10-15
    • Kenneth C. Lilje
    • Kenneth C. Lilje
    • C07D267/14C07D281/10C07D498/04C07D267/08C07D281/04
    • C07D281/10C07D267/14
    • Oxazepinones and thiazepinones correspoding to the formula: ##STR1## are prepared by mixing an alkali metal salt corresponding to the formula ##STR2## with oxalyl chloride or bromide in an inert solvent and heating to effect halogenation and fusion, A in the formulas representing a substituted or unsubstituted benzene, naphthalene, or pyridine ring bearing up to two Y substituents; E being oxygen or sulfur; R being an alkyl, cycloalkyl, or phenalkyl group or a substituted phenalkyl group bearing up to two ar-Y substituents; X being chloro or bromo; M being an alkali metal; n being one or two; and Y being a substituent selected from alkyl, alkoxy, trifluorimethyl, nitro, and halo. The products are useful as pharmaceutical intermediates.
    • 通过在惰性溶剂中将对应于式“IMAGE”的碱金属盐与草酰氯或溴化物混合并加热以进行卤化和熔融而制备与下式相对应的氧氮杂酮和噻吩酮:< IMAGE> 或至少两个Y取代基的未取代的苯,萘或吡啶环; E为氧或硫; R是烷基,环烷基或苯烷基或带有至多两个ar-Y取代基的取代的苯烷基; X是氯或溴; M是碱金属; n是一两个; Y是选自烷基,烷氧基,三氟甲基,硝基和卤素的取代基。 该产品可用作药物中间体。