Six Fluorene-Based N-Heterocyclic Carbene Silver(I) Complexes: Structural Study and Recognition for Cu<sup>2+</sup>
作者:Zhixiang Zhao、Xingjun Han、Kun Liu、Lixuan Zhao、Qingxiang Liu
DOI:10.1021/acs.organomet.2c00178
日期:2022.9.12
Br– or PF6–) and six related N-heterocyclic carbene silver(I) complexes [(L1Ag)2](NO3)2 (1), [L2Ag2(CH3CN)2]2}(PF6)4 (2), [(L3Ag)2(Ag2Br4)]n (3), [(L4Ag) (NO3)]n (4), [L5Ag2Br2]n (5), and [L6(AgCl)2] (6) have been synthesized and characterized. Each cationic moiety of 1 or 2 contained one 28-membered macrometallocycle formed via two silver(I) ions and two biscarbene ligands (L1 for 1 and L2 for 2).
一系列芴桥连双唑盐L 1 H 2 ·X 2 -L 6 H 2 ·X 2 (X = Br –或 PF 6 – ) 和六种相关的 N-杂环卡宾银 (I) 配合物 [(L 1 Ag ) 2 ](NO 3 ) 2 ( 1 ), [L 2 Ag 2 (CH 3 CN) 2 ] 2 }(PF 6 ) 4 ( 2 ), [(L 3 Ag) 2 (Ag 2Br 4 )] n ( 3 )、[(L 4 Ag) (NO 3 )] n ( 4 )、[L 5 Ag 2 Br 2 ] n ( 5 ) 和 [L 6 (AgCl) 2 ] ( 6 )已被合成和表征。每个阳离子部分1或2包含一个 28 元大金属环,通过两个银 (I) 离子和两个双卡宾配体(L 1代表1和L 2代表2)。3-5的一维配位聚合物链由不同的单体形成。6的开放结构是通过一个双卡宾配体L 6和两个[AgCl]单元形成的,其中两个[AgCl]单元指向