Synthesis of N‑Heterocyclic Carbene Stabilized Catecholatoborenium Cations by Ligand Substitution
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https://figshare.com/articles/dataset/Synthesis_of_N_Heterocyclic_Carbene_Stabilized_Catecholatoborenium_Cations_by_Ligand_Substitution/2261728
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资源简介：
Ligand
substitution is not a common procedure for the preparation
of different borenium cations. This work demonstrates that the chloride
ligands of several NHC-stabilized dichloroborenium cations [NHC·BCl2][X] (NHC = (R′C)2(NR)2C; 1, R = iPr, R′ = H; 2, R = iPr, R′ = Me; 3, R = tBu, R′
= H; X = AlCl4, B(3,5-Cl2-C6H3)4) could be replaced with a catecholato moiety
to produce [NHC·Bcat][X]. According to single-crystal X-ray analyses
this particular ligand exchange enhanced the Lewis acidity of the
target borocations with respect to the dichloro precursors.
创建时间：
2016-02-16
