作者:Sarah K. Russell、Emil Lobkovsky、Paul J. Chirik
DOI:10.1021/ja8075132
日期:2009.1.14
Addition of monosubstituted diazoalkanes, N(2)CHR (R = Ph, p-Tolyl, (t)Bu, Cy), to the bis(imino)pyridine iron dinitrogen complex, ((iPr)PDI)Fe(N(2))(2), at 23 degrees C in benzene-d(6) resulted in rapid cleavage of the N-N bond to yield the iron nitrile and imine complexes, ((iPr)PDI)FeNCR and ((iPr)PDI)FeHNCHR, respectively. Aryl azines were also cleaved with ((iPr)PDI)Fe(N(2))(2) and yielded the
将单取代重氮烷烃 N(2)CHR (R = Ph, p-Tolyl, (t)Bu, Cy) 添加到双 (亚氨基) 吡啶铁二氮络合物 ((iPr)PDI)Fe(N(2) )(2),在 23 摄氏度的苯-d(6) 中导致 NN 键快速裂解,分别产生铁腈和亚胺配合物 ((iPr)PDI)FeNCR 和 ((iPr)PDI)FeHNCHR . 芳基吖嗪也被 ((iPr)PDI)Fe(N(2))(2) 裂解并产生相同的产物。机理研究支持这样一种途径,即首先形成亚烷基亚铁,然后与另一当量的重氮烷快速 [4pi + 2pi] 环加成。随后确定速率的 1,3-氢迁移,然后是逆环加成产生观察到的产物。