Atomistic Engineering of Chemiluminogens: Synthesis, Properties and Polymerization of 2,3-Dihydro-Pyrrolo[3,4-d]Pyridazine-1,4-Dione Scaffolds
作者:Melek Pamuk Algi、Zahide Oztas、Seha Tirkeş、Atilla Cihaner、Fatih Algi
DOI:10.1007/s10895-016-1978-x
日期:2017.3
chemiluminescent compounds containing 2,5-di(thien-2-yl)pyrrole and pyridazine units, namely 5,7-di(thiophen-2-yl)-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione (5) and 6-phenyl-5,7-di(thiophen-2-yl)-2,3-dihydro-1H-pyrrolo[3,4-d]pyridazine-1,4(6H)-dione (6), were successfully synthesized and electrochemically polymerized. The compounds have chemiluminescent properties and glow in the presence of hydrogen
两种含有2,5-二(噻吩-2-基)吡咯和哒嗪单元的化学发光化合物,即5,7-二(噻吩-2-基)-2,3-二氢-1H-吡咯并[3,4-d ]哒嗪-1,4(6H)-二酮(5)和6-苯基-5,7-二(噻吩-2-基)-2,3-二氢-1H-吡咯并[3,4-d]哒嗪- 1,4(6H)-二酮(6)已成功合成并进行了电化学聚合。该化合物具有化学发光特性,并在碱性介质中过氧化氢的存在下发光。通过使用Fe 3+离子,血红素(1.0 ppm)或血液样本(1.0 ppm)作为催化剂,可以大大提高辉光的强度。化合物5和6与Ag / AgCl相比,在1.08 V和1.33 V处有一个明确定义的不可逆氧化峰。通过在BF 3的存在下重复电势扫描,成功地进行了5和6的电化学聚合。溶于乙腈的0.1 M LiClO 4电解质溶液中的Et2O 。发现聚合物P5和P6的电子带隙(E g)分别为2.02eV和2.16eV。另一方面,