have also been prepared by a reaction of Au(PPh3)Cl and methanolic NaOMe in DCM with the corresponding alkynyl functionalized oligomers to take advantage of the heavy-atom effect on their emissive properties. The synthesized rod-shaped π-conjugated fluorene based oligomers and their binuclear Au(I) σ-complexes have been unambiguously characterized by various spectroscopic tools such as FTIR and multinuclear
芴基的炔基的π共轭
棒状低聚物轴承不同的中心芳族结构部分和官能化的二炔基的末端,如H- -Fl- -Fl- -Fl- -H(OH1),H- -Fl- -Btz- –Fl– –H(OH2)和H– –Fl– –Btd– –Fl– –H(OH3),其中Fl = 9,9-二辛基
芴,Btz = N-
己基苯并三唑和Btd =
苯并
噻二唑是通过Pd(0)催化的Stille偶联方案成功合成的。引入了吸电子至强至中性受体的
苯并
噻二唑和
苯并三唑,以及与施主一样的
芴,以调节施主-受体(D-A)的强度来微调带隙(E g)和发射波长。相应的digold(I)σ络合物(PPh 3)Au– –Fl– –Fl– –Fl– –Au(PPh 3)(OM1),(PPh 3)Au– –Fl– –Btz– –Fl– – Au(PPh 3)(OM2)和(PPh 3还通过Au(PPh 3)Cl和
甲醇NaOMe在DCM中与相应的炔基官能化的低聚物反应制备了Au-