tetra-2-pyridinylpyrazine; [Ir(I)(salicylidenebenzyliminato)(1,5-cyclooctadiene)] in dichloromethane under Ar; mixt. was heated at 80°C for 8 h in sovent mixt. of trifluoromethylbenzene and CH2Cl2, 10-fold excess of arene; solvent removed under reduced pressure, Et2O was added, after 10percent aq. HCl was added, mixt. stirred for 4 h, organic layer dried with MgSO4, solvent was removed under reduced pressure, residue was chromd. (flash chromy, SiO2); NMR (m:p=1.6:1); 87percent total;
参考文献
Journal of Organometallic Chemistry, , vol. 692, # 20 p. 4244 - 4250