The present invention discloses novel substituted benzotelluropyrones and a novel method for making such compositions. The compositions are useful as intermediates for making benzotelluropyrylium and benzotelluropyrylium diketonate electron dye sensitizers for electron donating photoconductive compositions and elements.
本发明披露了新型的取代苯并
碲吡喃和制备这种化合物的新方法。这些化合物可用作制备苯并
碲吡喃基和苯并
碲吡喃基二
酮酸盐电子
染料敏化剂的中间体,用于制备电子供体光导材料和元素。