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题目:The stereospecific preparation of (E)-1-aryl-F-1,3-butadienes

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guanjiezi: 金币+5 2013-12-04 08:17:32
jssxh: 金币+2, 检索EPI+1, 谢谢你的参与!希望继续关注本版块! 2013-12-04 17:14:38
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The stereospecific preparation of (E)-1-aryl-F-1,3-butadienes



作者: Pedersen, SD (Pedersen, Scot D.)[ 1 ] ; Burton, DJ (Burton, Donald J.)[ 1 ]



来源出版物: JOURNAL OF FLUORINE CHEMISTRY  卷:155   特刊:SI   页:39-44   DOI:10.1016/j.jfluchem.2013.01.034   出版年:NOV 2013



被引频次: 0 (来自 Web of Science)



引用的参考文献: 26      [ 查看 Related Records ]     引证关系图     



摘要: The Pd (PPh3) (4)/Cu(I)I catalyzed cross coupling of (Z)-1-tri-n-butylstanny1-1,2,3,4,4-pentafluoro-1,3-butadiene with substituted aryl iodides provides a useful stereospecific route to (E)-1-aryl-1,2,3,4,4-pentafluoro-1,3-butadienes. Substituents, such as 4-nitro, 2-nitro, H, 3-CF3, 3-OCH3, 2-CH3, 1-Pr-i react stereospecifically with the dienyl stannane synthon. Only with a bulky electron-withdrawing substuent, such as 2-CF3, did significant isomerization occur in isolation of the aryl diene. The bis-coupled product is formed stereospecifically with 1,4-diiodobenzene. The methodology could be extended to stereospecifically prepared the 1-triethylsilyl-1E,3E,-1,2,3,4,5,6,6-heptafluoro-1,3,5-hexatriene synthon. (C) 2013 Elsevier B.V. All rights reserved.



入藏号:WOS:000325447900004



文献类型: Article



语种: English



作者关键词: Polyfluorinated dienylstannanes; 1-Aryl-F-1,3-butadienes; Pd(0) cross-coupling reactions; 1-Triethyl-1E; 3E-1,2,3,4,5,6,6-heptafluoro-1,3,5-hexatriene synthon; (Z)-1-Tri-n-butyl-stannyl-1,2,3,4,4-pentafluoro-1,3-butadiene synthon



KeyWords Plus: STEREOSELECTIVE PREPARATION; (E)-2,3-DIFLUORO-3-STANNYLACRYLIC ESTER; COUPLING REACTIONS; SYNTHONS; DIENES



通讯作者地址: Burton, DJ (通讯作者)




Univ Iowa, Dept Chem, Iowa City, IA 52242 USA.






地址:




[ 1 ] Univ Iowa, Dept Chem, Iowa City, IA 52242 USA






电子邮件地址: donald-burton@uiowa.edu
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入藏号:WOS:000325447900004
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