萘普生重排法合成工艺研究 |
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引用本文: | 尤田耙,潘显道.萘普生重排法合成工艺研究[J].中国医药工业杂志,1996,27(8):340-342. |
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作者姓名: | 尤田耙 潘显道 |
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作者单位: | 中国科学技术大学化学系 |
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摘 要: | 丙酰萘甲醚单独用溴化铜溴化,得α-溴丙酰萘甲醚,产率94%。如反应后期加入乙二醇,可一锅反应得溴化缩酮,产率90%。
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关 键 词: | 溴化铜,α-溴化,重排法,萘普生,合成 |
SYNTHESIS OF NAPROXEN BY 1,2-ARYL SHIFT |
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Authors: | YOU Tian-Pa PAN Xian-Dao MIAO Qiang GUO He-Min |
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Abstract: | Propionyl-6-methoxynaphthalene (1) was converted to 2-(2-bromopropionyl)-6-methoxy-naphthalene (2) by cupric bromide with yield of 94%.1 can be converted directly to 2- (1-bromoethyl) -2- (6-methoxy-2-naphthyl)-1,3-dioxolane(3) by adding ethylene glycol in the above reaction with overall yield of 90%. |
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