期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 29, 期 2, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202202712
关键词
low-coordinate compounds; N-donor ligands; oxidation; stannylene; stannylenoid
A novel stannylenoid compound was synthesized by reacting lithium aryl(silyl)amide with SnCl2, and further transformations of the stannylenoid compound were achieved. All compounds were characterized by NMR, elemental analysis, and X-ray structural determination.
The reaction of the lithium aryl(silyl)amide Dipp((Pr3Si)-Pr-i)NLi (Dipp=2,6-(Pr2C6H3)-Pr-i) with one equivalent of SnCl2 in THF gave a novel stannylenoid Dipp((Pr3Si)-Pr-i)NSnCl center dot LiCl(THF)(2). Heating the solution of amidostannylenoid in toluene to 80 degrees C resulted in dimeric amido(chloro)stannylene [Dipp((Pr3Si)-Pr-i)NSnCl](2), which can be converted to bis(amido)stannylene Sn[N(Dipp)((Pr3Si)-Pr-i)](2) and amido(imino)stannylene Sn[N(Dipp)((Pr3Si)-Pr-i)][IPrN] (IPrN= bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN](2)Sn(Cl)Li with N2O resulted in the dimeric complex [IPrNSn(Cl)OLi](2). All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.
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