Electrocatalytic reduction of aldehydes and ketones on nickel(II) tetraazamacrocyclic complex-modified graphite felt electrode
作者:Yoshitomo Kashiwagi、Chikara Kikuchi、Futoshi Kurashima、Jun-ichi Anzai
DOI:10.1016/s0022-328x(02)01854-5
日期:2002.11
Electrocatalytic reduction of aldehydes and ketones was studied using a nickel(II) tetraazamacrocyclic complex-modified graphite felt (GF) electrode. The nickel(II) tetraazamacrocyclic complex-modified GF electrode was prepared by attaching nickel(II) (6-(2′-hydroxyethyl)-1,4,8,11-tetraazacyclotetradecane)perchlorate chemically to the carboxyl groups of a thin poly(acrylic acid) (PAA) layer coated
使用镍(II)四氮杂大环配合物修饰的石墨毡(GF)电极研究了醛和酮的电催化还原。通过将镍(II)(6-(2'-羟乙基)-1,4,8,11-四氮杂环十四烷)高氯酸盐化学连接到聚(丙烯酸(PAA)层涂覆在GF上。在循环伏安法中,相对于Ag / AgCl,修饰的电极在循环伏安法中提供了镍(II)-镍(I)氧化还原对的可逆电子转移。在修饰电极上成功地实现了醛和酮的制备性电催化还原,将醛和酮还原为相应的醇和频哪醇化合物,并具有足够的电流效率(46.9–75.9%),转化率(48.1–84.6%)和镍催化剂的周转次数(1053) –2267)。