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学科主题: 氟化学
题名: A facile synthetic route to 2-trifluoromethyl-substituted polyfunctionalized chromenes and chromones
其他题名: A facile synthetic route to 2-trifluoromethyl-substituted polyfunctionalized chromenes and chromones
作者: Wen LL(温乐乐) ; Zhang HH(张宏海) ; LIN HAO ; Shen QL(沈其龙) ; Lv L(吕龙)
通讯作者: 沈其龙 ; 吕龙
刊名: J. Fluor. Chem.
发表日期: 2012
卷: 133, 期:1, 页:171-177
收录类别: SCI
部门归属: 中科院上海有机化学研究所
英文摘要: A method for the preparation of methyl 4-hydroxy-2-(trifluoromethyl)-4H-chromenes-3-carboxylate derivatives 3a–j from readily available trifluoromethylated building block methyl (Z)-2-bromo-4,4,4- trifluoro-2-butenoate 1 was described. Treatment of 3a–j with Sarrett reagent in CH2Cl2 generated methyl 4-oxo-2-(trifluoromethyl)-chromene-3-carboxylate derivatives 4a–h with moderate to good yields, which can be converted to 2-trifluoromethyl-substituted multifunctional benzoxepins through cyclopropanation and Lewis acid-catalyzed ring opening.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000300469500027
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/19251
Appears in Collections:中科院有机氟化学重点实验室_期刊论文

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Recommended Citation:
Wen LL,Zhang HH,LIN HAO,et al. A facile synthetic route to 2-trifluoromethyl-substituted polyfunctionalized chromenes and chromones[J]. J. Fluor. Chem.,2012,133(1):171-177.
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