Atom-Economical Synthesis of the Versatile Ruthenium Precursor [TpRuCl(COD)] (Tp = Hydrotris(pyrazol-1-yl)borate) Discloses a Diamine Ligand Dealkylation Process
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https://figshare.com/articles/dataset/Atom_Economical_Synthesis_of_the_Versatile_Ruthenium_Precursor_TpRuCl_COD_Tp_Hydrotris_pyrazol_1_yl_borate_Discloses_a_Diamine_Ligand_Dealkylation_Process/2188858
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资源简介：
An atom-economical, more environmentally
friendly alternative method
of synthesis of the versatile complex [TpRuCl(COD)] (1) (Tp = hydrotris(pyrazol-1-yl)borate; COD = 1,5-cyclooctadiene)
has been developed. Instead of starting from [RuHCl(COD)(NH2NMe2)3]+, 1 can
be conveniently prepared by reaction of the derivative trans-[RuCl2(COD)(Me2NCH2CH2NHMe)] (2) with KTp in acetone at
55 °C. Compound 2, which has been structurally characterized
by X-ray crystallography, results from an unexpected diamine dealkylation
process which takes place in the course of the reaction of [{RuCl2(COD)}n] with tmeda (tmeda
= Me2NCH2CH2NMe2) in toluene at 80 °C. This process had been overlooked in the
literature, as compound 2 had been misidentified as cis-[RuCl2(COD)(tmeda)], and suggests
that amine dealkylation might occur more commonly than previously
anticipated.
创建时间：
2016-02-14
