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Synthesis of α-Bromo-4-substituted Phenones
Author(s): 
Pages: 235-237
Year: Issue:  3
Journal: FINE CHEMICALS

Keyword:  α-溴- 4-甲氧基苯乙酮α-溴- 4-羟基苯酮α-溴- 4-苄氧基苯酮溴化铜α-溴化反应;
Abstract: 通过4-取代苯酮的α-溴化反应合成医药中间体α-溴- 4-取代苯酮.选择溴化铜在乙酸乙酯和氯仿混合溶剂中对4-甲氧基苯乙酮、4-羟基苯乙酮、4-羟基苯丙酮、4-羟基苯戊酮、4-苄氧基苯乙酮、4-苄氧基苯丙酮和4-苄氧基苯戊酮溴化2~3 h,分别得α-溴- 4-甲氧基苯乙酮、α-溴- 4-羟基苯乙酮、α-溴- 4-羟基苯丙酮、α-溴- 4-羟基苯戊酮、α-溴- 4-苄氧基苯乙酮、α-溴- 4-苄氧基苯丙酮和α-溴- 4-苄氧基苯戊酮,收率82.6%~97.5 %.α-溴化产物的结构经1HNMR,IR确证.
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