proposed to mediate the observed reactivity. The model alkyl complexes, R‘,R‘‘[N,N]FeCl2(R), where R = PhCH2 and Ph(Me)CH, were generated via treatment of R‘,R‘‘[N,N]FeCl3 with RMgCl. The alkyl derivatives obtained from intermediate spin-state R‘,R‘‘[N,N]FeCl3 complexes were found to be stable to ca. −30 °C and favor CCT, whereas the alkyl derivatives derived from high-spin-state trichloride precursors are
α-二
亚胺铁配合物R ' ,R ' ' [ N,N ] FeCl 2(R ' ,R ' ' [ N,N ] = R'-N CR''-CR''NR ')是有效的当R'和R''是给电子取代基时,
苯乙烯的原子转移自由基聚合(ATRP)催化剂,当使用吸电子取代基时,有利于催化链转移(CCT)。提出了一种有机
金属途径,以及卤素原子转移平衡,以介导观察到的反应性。烷基络合物模型,R ' ,R ' ' [ N,N ] FeCl2(R),其中R = PhCH 2和Ph(Me)CH,是通过用RMgCl处理R ' ,R ' ' [ N,N ] FeCl 3生成的。由中间体自旋态R ' ,R ' ' [ N,N ] FeCl 3获得的烷基衍
生物发现配合物对Ca稳定。-30°C,有利于CCT,而衍生自高自旋态三
氯化物前体的烷基衍
生物在-78°C以上不稳定,有利于ATRP。
苯乙烯的偶氮引发的聚合反应受α-二
亚胺铁催