Aryl-Containing Pyridine-Imine and Azaallyl Chelates of Iron toward Strong Field Coordination Compounds
作者:Emily C. Volpe、Peter T. Wolczanski、Emil B. Lobkovsky
DOI:10.1021/om900793c
日期:2010.1.25
CH4 and pyCH activation to provide mer-κ-C,N,C′-(p-tBu-Ar-2-yl)CH═NCH2(2-py-3-yl)}(PMe3)3FeII (6). Derivatization of 6 with MeOTf produced [mer-κ-C,N,C′-(p-tBu-Ar-2-yl)CH═NCH2(2-py-NCH3-3-yl)}(PMe3)3FeII]OTf (7), which could be deprotonated to give the zwitterionic azaallyl mer-κ-C,N,C′-(p-tBu-Ar-2-yl)CHNCH(2-py-NCH3-3-yl)}(PMe3)3FeII (8). Oxidation of 4 with AgOTf generated [trans-κ-C,N,N′-(p-t
已经准备了一系列的芳基和吡啶基亚胺铁配合物,以探索由芳基螯合物提供的强场的产生以及氮杂烯丙基官能团的潜在支持。顺式-(Me 3 P)4 FeMe 2和基于亚氨基的配体前体提供了反式-κ- C,N,N '-(XAr-2-yl)CH 2 N 2CH-2-py}(PMe 3)2 Fe II CH 3(X = H,1 ; p -OMe,2 ; o -Cl,3)和反式-κ-Ç,Ñ,Ñ ' - (p -吨卜氩-2-基)= NCH 2 -2-吡啶}(PME 3)2的Fe II CH 3(4)伴随2 PME 3和CH 4通过ARH激活。热解4 + PME 3给CH 4和PY CH活化,以提供聚体- κ- Ç,Ñ,Ç ' - (p -吨卜氩-2-基)= NCH 2(2-PY-3- yl)}(PMe 3)3 Fe II(6)。的衍生化6与MeOTf产生[聚体- κ- Ç,Ñ,C' - (p -吨卜氩-2-基)=