Insertion reactions of the C–B–N-substituted borinium cation [MesBNiPr2]+,Dalton Transactions

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Insertion reactions of the C–B–N-substituted borinium cation [MesBNiPr2]+
Dalton Transactions ( IF 3.5 ) Pub Date : 2020-11-17 , DOI: 10.1039/d0dt03665j
Karlee L. Bamford _{1,

2,

3,

4} , Douglas W. Stephan _{1,

2,

3,

4}

Affiliation

The synthesis and isolation of the first stable C–B–N-substituted borinium [MesBNⁱPr₂][B(C₆F₅)₄] (2) is described. Compound 2 was shown to react with isothiocyanate and carbodiimides, effecting B–C insertion to afford nitrilium (4) and borenium amidinate salts, respectively. The borinium cation [MesBNⁱPr₂]⁺ (2⁺) was also generated from reactions of MesB(Cl)NⁱPr₂ (1) and GaCl₃, and used to prepare stable borenium amidinate salts (5–6), while the triflate borane MesB(OTf)NⁱPr₂ (7) reacts with carbodiimide to give the bis(amidinate) boronium salt [MesC(NⁱPr)₂B((NⁱPr)₂C)NⁱPr₂][OTf] (8).

中文翻译：

C–B–N取代的硼阳离子[MesBNiPr2] +的插入反应

描述了第一个稳定的由C–B–N取代的硼[MesBN ⁱ Pr ₂ ] [B（C ₆ F ₅）₄ ]（2）的合成和分离。化合物2与异硫氰酸酯和碳二亚胺反应，影响B–C的插入，分别得到腈（4）和bore基硼酸钠盐。硼阳离子[MesBN ⁱ Pr ₂ ] ⁺（2 ⁺）也由MesB（Cl）N ⁱ Pr ₂（1）与GaCl ₃反应生成，并用于制备稳定的bore基硼酸钠盐（5–6），而三氟甲磺酸硼烷MesB（OTf）N ⁱ Pr ₂（7）与碳二亚胺反应生成双（（基）硼盐[MesC（N ⁱ Pr）₂ B（（N ⁱ Pr）₂ C）N ⁱ Pr ₂ ] [OTf]（8）。

更新日期：2020-11-25

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