Electrochemical characterisation of tetra- and octa-substituted oxo(phthalocyaninato)titanium(IV) complexes
作者:Prudence Tau、Tebello Nyokong
DOI:10.1016/j.electacta.2006.10.023
日期:2007.3
electrochemical characterisation of the following oxotitanium tetra-substituted phthalocyanines are reported: 1,(4)-(tetrabenzyloxyphthalocyaninato)titanium(IV) oxide (5a); 1,(4)-tetrakis[4-(benzyloxy)phenoxy]phthalocyaninato}titanium(IV) oxide (5b); 2,(3)-(tetrabenzyloxyphthalocyaninato)titanium(IV) oxide (6a) and 2,(3)-tetrakis[4-(benzyloxy)phenoxy]phthalocyaninato}titanium(IV) oxide (6b). The electrochemical
报道了以下氧钛四取代的酞菁的合成和电化学表征:1,(4)-(四苄氧基酞菁萘)钛(IV)氧化物(5a);1,(4)-四[4-(苄氧基)苯氧基]邻苯二甲酰氰基}氧化钛(IV)(5b); 2,(3)-(四苄氧基邻苯二甲氧基酞菁钛)氧化物(6a)和2,(3)-四[4-(苄氧基)苯氧基]邻苯二甲酰氧基钛酞菁}(6b)。复合物的电化学表征辛取代4-(苄氧基)苯氧基(图9b),苯氧基(9C)和叔丁基苯氧基(9D)组也已报告。配合物的循环伏安图显示出可逆的偶对I – III,偶对IV对配合物5a,5b,6a和6b是准可逆的。前两次还原是基于金属的过程,通过光谱电化学证实是由于Ti IV Pc 2- / Ti III Pc 2-和Ti III Pc 2- / Ti II Pc 2-的氧化还原过程,最后两个还原是环- Ti II Pc 2- / Ti导致的基于过程的过程II Pc 3−和Ti II Pc 3−