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学科主题: 有机氟化学
题名: Regioselective synthesis of fluorinated pyrazole derivatives from trifluoromethyl-1,3-diketone
其他题名: 由三氟甲基-1,3-二酮化合物出发的区域选择性地合成含氟的吡唑衍生物
作者: Song LP(宋里平) ; Zhu SZ(朱仕正)
通讯作者: 朱仕正
刊名: J. Fluor. Chem.
发表日期: 2001
卷: 111, 期:2, 页:201-205
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所氟有机化学开放实验室
英文摘要: 1,1,1-Trifluropentane-2,4-dione(la) and 1-(thien-2-yl)4,4,4-trifluorobutane-1,3-dione (1b) reacted readily with per(poly)fluorophenylhydrazines Ar^f: C^6F^5, HC^6F^4, ClC^6F^4) to give N-per(poly)fluorophenyl-5-methyl(or thien-2-yl)-3-trifluoromethylpyrazoles 3 and 3-methyl (or thien-2-yl)-5-hydroxy-5-trifluoromethyl-4,5-dihydropyrazoles 4, respectively. Tratment of 4 with P^2O%5 yielded the dehydrated product N-per(poly)fluorophenyl-3-methyl(or thien-2-yl)-5-trifluoromethyl-pyrazole in good yield.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000171759900014
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/14236
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:
Song LP,Zhu SZ. Regioselective synthesis of fluorinated pyrazole derivatives from trifluoromethyl-1,3-diketone[J]. J. Fluor. Chem.,2001,111(2):201-205.
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