Synthesis and characterization of cobalt(ii) complexes with tripodal polypyridine ligand bearing pivalamide groups. Selective formation of six- and seven-coordinate cobalt(ii) complexes
作者:Jun Matsumoto、Tatsuya Suzuki、Yuji Kajita、Hideki Masuda
DOI:10.1039/c2dt12056a
日期:——
respectively. The other type is pale pink-coloured Co(II) complexes, [Co(MeOH)(H2BPPA)](ClO4−)2 (2·(ClO4−)2) and [Co(MeCN)(H2BPPA)](I−)2 (2·(I−)2), which were obtained when X = I− and ClO4−, respectively. From the reaction of 1Cl and NaN3, a purple-coloured complex, [Co(N3)2(H2BPPA)] (1azide), was obtained. These Co(II) complexes were characterized by X-ray structural analysis, IR and reflectance spectroscopies
COX的反应2(X =氯- ,溴- ,我-和C10 4 - )与三足聚吡啶Ñ 4 ö 2型配体轴承新戊酰胺基,双(6-(新戊酰胺基-2-吡啶基)甲基)( 2-吡啶基甲基)胺配体(H 2 BPPA),如下提供两种类型的Co(II)配合物。一种类型是紫色的Co(II)配合物[CoCl 2(H 2 BPPA)](1 Cl)和[CoBr 2(H 2 BPPA)](1 Br),它们在X = Cl-时制备。和Br - ,分别。另一种类型是淡粉色色的Co(II)络合物,[CO(甲醇)(H 2 BPPA)](CLO 4 - )2(2 ·(CLO 4 - )2)和[CO(MeCN中)(H 2 BPPA)](I - )2(2 ·(I - )2),其获得当X = I -和C10 4 - ,分别。根据1 Cl和NaN 3的反应,生成紫色络合物[Co(N 3)2得到(H 2 BPPA)](1叠氮化物)。通过X射线结