structures (L-L = bipyridine, tmeda; R = CH3, CF3), many gave unusual oligometallic complexes resulting from reactions such as C−H activation (L-L = sparteine), P−C bond cleavage (L-L = 1,2-bis(diphenylphosphino)ethane, and C−C bond formation between solvent (acetone) and ligand (L-L = 1,4-bis(2,6-diisopropylphenyl)-1,4-diaza-1,3-butadiene). These findings illustrate potential pitfalls of screening procedures
在高通量研究中,将双齿
配体与Pd(II)
羧酸酯进行最佳组合以生成氧化催化剂,我们获得了许多结晶产物并对其进行了结晶学表征。虽然某些组合提供了预期的(LL)Pd(OC(O)R)2结构(LL =联
吡啶,tmeda; R = CH 3,CF 3),但许多组合却因反应(例如CH活化)而产生了不寻常的低
金属络合物( LL =斯巴地丁),P-C键断裂(LL = 1,2-双(
二苯基膦基)
乙烷,溶剂(
丙酮)与
配体之间形成C-C键(LL = 1,4-双(2,6-二异丙基苯基) )-1,4-二氮杂-
1,3-丁二烯)。这些发现说明了在假定均匀,原位的基础上筛选程序的潜在陷阱 催化剂自组装。