Electropositive boron‐based substituent (phosphonium bora‐ylide) with an exceptionally strong π‐ and σ‐electron donating character dramatically increases the stability of a new type of N‐heterocyclic silylene 2 featuring amino‐ and bora‐ylide‐substituents. Moreover, the related silylium ion 4 and transition‐metal–silylene complexes, with trigonal‐planar geometries around the silicon center, are also well stabilized. Therefore, the N,B‐heterocyclic silylene 2 can be used as a strongly electron‐donating innocent ligand in coordination chemistry similarly to N‐heterocyclic carbenes.

中文翻译：

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硼氢化物取代基相对于甲硅烷基和硅离子具有超强的电子定性能力

具有非常强的π和σ电子给体特性的带正电的硼基取代基（硼化硼dramatically）大大提高了新型N杂环亚甲硅烷基2的稳定性，该新型N杂环甲硅烷基2具有氨基和硼化硼取代基。而且，相关的甲硅烷基离子4和过渡金属-亚甲硅烷基络合物（在硅中心周围具有三角平面几何形状）也得到了很好的稳定。因此，N，B-杂环亚甲硅基2可以被用作在配位化学同样强的给电子配位体无辜ñ -杂环卡宾。