Palladium catalyzed coupling of F-cinyl zinc reagents with aryl iodides. An improved synthesis of α,β,β-trifluorostyrenes and the stereospecific preparation of 1-phenyl-F-propenes
作者:Pamela L. Heinze、Donald J. Burton
DOI:10.1016/s0022-1139(00)85092-7
日期:1986.2
provides a practical high yield route to α,β,β- trifluorostyrenes. Ortho, meta, and para substituted aryl iodides all work equally well. Similar coupling with - and -1-iodo--propenes outlines the first stereospecific preparative route to 1-aryl--olefins. This approach provides a rapid, easily scaled-up synthesis a one pot procedure to these valuable styrenes from commercially available precursors without
三氟乙烯基锌试剂与取代的芳基碘化物的钯催化偶联为α,β,β-三氟苯乙烯提供了实用的高产率途径。邻,间和对位取代的芳基碘均能很好地发挥作用。与-和-1-碘代-丙烯的类似偶联概述了制备1-芳基-烯烃的第一个立体有择的制备路线。这种方法无需使用低温方法或使用不稳定的反应中间体,即可从市场上可买到的前体中快速,轻松地按比例合成这些有价值的苯乙烯。