反应条件
1: phosphorus tribromide 2: SOCl2 3: 1.) butyllithium, 2.) ZnBr2 / 3.) tetrakistriphenylphosphinepalladium(0) / 1.) THF, -78 deg C, 2.) THF, -20 deg C, 1 h, 3.) THF, RT, 16 h 4: 67 percent / xylene / 26 h / Heating; in bromobenzene, reflux View Scheme
参考文献
Gilchrist, Thomas L.; Summersell, Richard J.
Tetrahedron Letters, 1987 , vol. 28, # 13 p. 1469 - 1472