Synthesis and solvatochromism of some dipolar aryl-phosphonium and -phosphine oxide systems
作者:David W Allen、Josephine P Mifflin、Peter J Skabara
DOI:10.1016/s0022-328x(00)00085-1
日期:2000.4
with a study of their course of alkaline hydrolysis, which provides a convenient synthetic route to related dipolar phosphine oxides. The phosphonium salts exhibit a modest degree of negative solvatochromism, whereas the related phosphine oxides show a small positive solvatochromic effect. In the case of the ferrocenyl systems, the electronic effects of the phosphorus acceptor group on the ferrocene
报道了一系列带有二茂铁基乙烯基,2-噻吩基乙烯基,4-二甲基氨基苯基乙烯基或(4-二甲基氨基苯基)丁二烯电子给体中心的偶极芳基salts盐,并对其碱性水解过程进行了研究,从而提供了一种方便的合成方法。通往相关的偶极氧化膦的途径。salts盐显示中等程度的负溶剂变色,而相关的氧化膦显示出小的正溶剂变色作用。在二茂铁基体系的情况下,已经通过循环伏安法研究了磷受体基团对二茂铁单元的电子效应。