反应条件
potassium tert-butoxide; t-butyl lithium in tetrahydrofuran; hexane Schlenk techniques used under N2 or Ar, THF soln. of FcH (10.8 mmol) andtBuOK(1.34 mmol) cooled to -78°C, after >15 min tBuLi soln.(21.6 mmol) dropwise added, stirred for 1.5 h at <-70°C, C2Cl4Br2 adde d, stirred for 30 min at -78°C; allowed to warm to room temp., quenched with H2O, extracted with CH2Cl2,organic layer washed with H2O, dried over MgSO4, solvent removed under vac., chromd. (neutral alumina, hexane); NMR;
参考文献
Journal of Organometallic Chemistry, , vol. 696, # 8 p. 1536 - 1540
