Metal mediated C–S rupture of heterocyclic thioamides : in situ generation of 2,2′-thio-di-2-imidazoline, 1,1′-dimethyl-2,2′-di-imidazolylsulfide, SO42− and their variable coordination to CuII
作者:Tarlok S. Lobana、Razia Sultana、Geeta Hundal、Ray J. Butcher
DOI:10.1039/c0dt00252f
日期:——
Reactions of copper(I) halides with imidazolidine-2-thione and 1-methyl-1,3-imidazoline-2-thione in dmso involved CâS rupture in aerobic conditions and yielded a sulfate bridged polymer, [CuIIη2-N,Nâ(N2C3H5)2S}(μ-O,OSO2)(η1-OH2)]n1 and a sulfate chelated monomer, [CuIIη2-N,Nâ(N2C4H5)2S}(η2-O,OSO2)(η1-OH2)] 2 N,Nâ(N2C3H5)2S = 2,2â²-thio-di-2-imidazoline, N,Nâ(N2C4H5)2S = 1,1â²-dimethyl-2,2â²-di-imidazolyl sulfide}. This variable coordination behavior of in situ generated sulfate is unprecedented in the literature.
铜(I)卤化物与咪唑烷-2-硫酮和1-甲基-1,3-咪唑啉-2-硫酮在DMSO中反应,在有氧条件下发生了C–S断裂,生成了一个硫酸盐桥联的聚合物 [CuIIη2-N,N–(N2C3H5)2S}(μ-O,OSO2)(η1-OH2)]n1 和一个硫酸盐螯合的单体 [CuIIη2-N,N–(N2C4H5)2S}(η2-O,OSO2)(η1-OH2)]2 N,N–(N2C3H5)2S = 2,2'-硫二-2-咪唑啉, N,N–(N2C4H5)2S = 1,1'-二甲基-2,2'-二咪唑基硫化物}。这种原位生成的硫酸盐的可变配位行为在文献中是前所未有的。