Abstract
The reaction of the lithium aryl(silyl)amide Dipp((i) Pr(3) Si)NLi (Dipp=2,6-(i) Pr(2) C(6) H(3) ) with one equivalent of SnCl(2) in THF gave a novel stannylenoid Dipp((i) Pr(3) Si)NSnCl⋅LiCl(THF)(2) . Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp((i) Pr(3) Si)NSnCl](2) , which can be converted to bis(amido)stannylene Sn[N(Dipp)((i) Pr(3) Si)](2) and amido(imino)stannylene Sn[N(Dipp)((i) Pr(3) Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN](2) Sn(Cl)Li with N(2) O resulted in the dimeric complex [IPrNSn(Cl)OLi](2) . All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.