期刊
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS
卷 191, 期 4, 页码 624-627出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10426507.2015.1128920
关键词
Germylene; stannylene; azido; germyliumylidene; stannyliumylidene
资金
- Alexander von Humboldt foundation (Sofja Kovalevskaja Program)
Novel amino(imino)germylene and stannylene were prepared by conversion of HNIPr [NIPr = bis(2,6-diisopropylphenyl)imidazolin-2-imino] with one equiv of Lappert's reagent (E[N(SiMe3)(2)](2), E = Ge, Sn). The divalent nature of the iminometallylenes was proved by their reactivity toward Lewis acid [Fe-2(CO)(9)] as well as Lewis base [DMAP (para-dimethylaminopyridine)]. Furthermore, azido-substituted stannylene was isolated in its dimeric form [N3SnNIPr](2) from the reaction of the iminostannylene with one equiv of trimethylsilyl azide. Notably, the reactions of the iminometallylenes with B(C6F5)(3) furnish the cyclic germanium(II) and tin(II) cations, respectively, though methyl-abstraction and ring-closing reaction.
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