Highly active mesoionic chalcogenone zinc(<scp>ii</scp>) derivatives for C–S cross-coupling reactions
作者:Moulali Vaddamanu、Kavitha Velappan、Ganesan Prabusankar
DOI:10.1039/c9nj04440j
日期:——
of the first zinc(II) mesoionic chalcogenone complexes were isolated. Three mono nuclear zinc(II) chalcogenone complexes, [(L1)Zn(Cl)2(HOMe)] (1), [(L2)Zn(Cl)2(HOMe)] (3) and [(L2)Zn(Br)2(HOMe)] (4), and two dinuclear zinc complexes, [(L1)Zn(Br)(μ2-Br)]2 (2) and [(L3)Zn(Br)(μ2-Br)]2 (5), containing mesoionic thione and selone ligands were synthesized and characterised. These new complexes 1–5 represent
第一个中离子较重的硫族元素酮,L 1 -L 3 [ L 1 = 1-(2-间苯二甲酰基)-3-甲基-4-苯基三唑啉-5-硒酮;L 2= 1-(2-均三甲苯基)-3-甲基-4-苯基三唑啉-5-硫酮;分离并表征L 3= 1-(苄基)-2-3(甲基)-4-苯基三唑啉-5-硒]。密度泛函理论用于深入了解中离子硫属元素酮的σ供体和π接受性质。使用这些新的配体,分离了一系列的第一个锌(II)介电硫属元素酮配合物。三种单核锌(II)硫属酮配合物,[(L 1)Zn(Cl)2(HOMe)](1),[(L 2)Zn(Cl)2(HOMe)](3)和[(L 2)Zn(Br)2(HOMe)](4)和两个双核锌配合物, [(大号1)的Zn(BR)(μ 2 -Br)] 2(2)和[(大号3)锌(BR)(μ 2 -Br)] 2(5),含介离子硫酮和selone配体合成和表征。这些新复合物1-5代表第一个在结构上表征的介离