反应条件
1: 1.) phosphorus tribromide / 1.) CHCl3, 0 deg C, 1 h, 2.) CHCl3, reflux, 1 h 2: 1.) Mg, 3.) thionyl chloride / 1.) THF, 2.) THF, 1 h, 3.) 0 deg C, 1 h 3: 1.) Zn powder, 2.) butyl-lithium / 3.) <Pd(PPh3)4> / 1.) 1,2-dibromoethane, THF, reflux, 3.5 h, 2.) -78 deg C, -20 deg C, 1 h, 3.) THF, RT, 16 h 4: 67 percent / xylene / 26 h / Heating View Scheme
参考文献
Gilchrist, Thomas L.; Summersell, Richard J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 2595 - 2602
