[Ru(η5-C5H5)(PiPr3)(NCMe)2][PF6]; dimethylphenylsilane; acetonitrile in hexadeuterioacetone T=20°C; chemoselective reaction;
参考文献
Advanced Synthesis and Catalysis, , vol. 354, # 4 p. 607 - 611
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反应条件
in pentane under Ar, addn. of the hexyne to a suspension of the Cr complex in pentane at -78°C, stirred and allowed to warm to 0°C over 7 h , held for 48 h; filtration, cooled to -78°C, crystn., elem. anal., the diene detn. by GC analysis;
cobalt(II) chloride in acetone T=80°C; 1.5 h; further cyclobutenediones and alkynes; Mechanism;
参考文献
Liebeskind, Lanny S.; Leeds, James P.; Baysdon, Sherrol L.; Iyer, Suresh
Journal of the American Chemical Society, 1984 , vol. 106, # 21 p. 6451 - 6453
