Siddiqui Mujahuddin M, Sinhababu Soumen, Dutta Sayan, Kundu Subrata, Ruth Paul Niklas, Münch Annika, Herbst-Irmer Regine, Stalke Dietmar, Koley Debasis, Roesky Herbert W
Institut für Anorganische Chemie, Universität Göttingen, Tammannstrasse 4, 37077, Göttingen, Germany.
Department of Chemical Sciences, IISER Kolkata, Mohanpur, 741 246, India.
Angew Chem Int Ed Engl. 2018 Sep 3;57(36):11776-11780. doi: 10.1002/anie.201805936. Epub 2018 Aug 6.
The reduction of TipMCl (Tip=2,4,6-triisopropylphenyl) (M=Si, Ge) with KC in the presence of cyclic alkyl(amino) carbene (cAAC) afforded the acyclic silanylidene and germanylidene anions in the form of potassium salt [K(cAAC)MTip] (M=Si (1); Ge (2)). The silanylidene and germanylidene anions are valence-isoelectronic to the well-studied phosphinidene and are a new class of acyclic anions of Group 14. Compounds 1 and 2 were isolated and well characterized by NMR and single-crystal X-ray structure analysis. Furthermore, the structure and bonding of compounds 1 and 2 was investigated by computational methods.
在环烷基（氨基）卡宾（cAAC）存在下，用KC还原TipMCl（Tip = 2,4,6-三异丙基苯基）（M = Si，Ge），得到无环硅亚烷基和锗亚烷基阴离子的钾盐形式[K(cAAC)MTip]（M = Si (1)；Ge (2)）。硅亚烷基和锗亚烷基阴离子与研究充分的磷亚烷基具有等电子价，是第14族一类新型的无环阴离子。化合物1和2通过NMR和单晶X射线结构分析进行了分离和充分表征。此外，还通过计算方法研究了化合物1和2的结构与键合。
