1,3-Diphosphorus Ylide Cyclopentadienylium Salts: Synthesis, Structures, and Application in Coupling Reactions
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The 1,3-diphosphorus ylide cyclopentadienylium salts (C5H3)(PPh3)2I (1) and (C5H3)[P(4-CH3-Ph)3]2I (2) have been prepared from the reaction of 1,1′-dichloromercurioferrocene with Pd(PPh3)4 and with Pd[P(4-CH3-Ph)3]4, respectively. The molecular structure of 1 has been determined by X-ray diffraction analyses. The Pd(OAc)2/1 or 2/KtOBu system is highly efficient for the coupling reactions of aryl chlorides at room temperature.
创建时间：
2016-02-22
