A series of (aryloxo)iron(II) complexes [FeBH(3,5-Pri2pz3}(OAr)] (Ar = C6H5 (4); C6H4-p-Cl (5); C6H4-p-F (6); C6H4-p-Me (7); C6H3-2,6-Cl2 (8); C6F5 (9)) were synthesized by the anion ligand replacement of [Fe(Cl)BH(3,5-Pri2pz)3}] (1) with NaOAr. Crystallography was performed for 1 and 9. All these tetrahedral (aryloxo)iron(II) complexes react with dioxygen readily, to afford the bis(aryloxo)iron(III) complexes [FeBH(3,5-Pri2pz)3}(OAr)2] (Ar = C6H5 (10); C6H4-p-Cl (11); C6H4-p-F (12); C6H4-p-Me (13); C6H3-2,6-Cl2 (14); C6F5 (16)) as sole isolable products (the maximum yield based on the iron(II) complex was ca. 50%). The MeCN adduct of 13 was structurally characterized by X-ray crystallography.
通过阴离子
配体置换[Fe(Cl)BH(3,5-Pri2pz3}(
OAr)](Ar =
C6H5 (4);
C6H4-p-Cl (5); -p-F (6); -p-Me (7);用 Na
OAr 取代[Fe(Cl)BH(3,5-Pri2pz)3}](1)的阴离子
配体合成了[ -2,6-Cl2 (8);
C6F5 (9)]。对 1 和 9 进行了晶体学研究。所有这些四面体(芳
氧基)
铁(II)络合物都很容易与二
氧反应,生成双(芳
氧基)
铁(III)络合物[FeBH(3,5-Pri2pz)3}(
OAr)2](Ar = (10)); -p-Cl (11); -p-F (12); -p-Me (13);
C6H3-2,6-Cl2 (14); (16))作为唯一可分离的产物(基于
铁(II)络合物的最高产率约为 50%)。50%).13 的 MeCN 加合物通过 X 射线晶体学进行了结构表征。