Yttrium complexes incorporating the chelating diamides {ArN(CH<sub>2</sub>)<sub>x</sub>NAr}<sup>2−</sup>(Ar = C<sub>6</sub>H<sub>3</sub>-2,6-<sup>i</sup>Pr<sub>2</sub>, x = 2, 3) and their unusual reaction with phenylsilane
作者:Anthony G. Avent、F. Geoffrey N. Cloke、Benjamin R. Elvidge、Peter B. Hitchcock
DOI:10.1039/b400149d
日期:——
Novel yttrium chelating diamide complexes [(YArN(CH2)xNAr}(Z)(THF)n)y] (Z = I, CH(SiMe3)2, CH2Ph, H, N(SiMe3)2, OC6H3-2,6-tBu2-4-Me; x = 2, 3; n = 1 or 2; y = 1 or 2) were made via salt metathesis of the potassium diamides (x = 3 (3), x = 2 (4)) and yttrium triiodide in THF (5, 10), followed by salt metathesis with the appropriate potassium salt (6â9, 11â13, 15) and further reaction with molecular hydrogen (14). 6 and 11 (Z = CH(SiMe3)2, x = 2, 3) underwent unprecedented exchange of yttrium for silicon on reaction with phenylsilane to yield (SiArN(CH2)xNAr}PhH) (x = 2 (16), 3) and (SiCH(SiMe3)2}PhH2).
新型铍螯合二胺配合物[(YArN(CH2)xNAr}(Z)(THF)n)y](Z = I,CH(SiMe3)2,CH2Ph,H,N(SiMe3)2,OC6H3-2,6-tBu2-4-Me;x = 2,3;n = 1或2;y = 1或2)是通过钾二胺(x = 3 (3),x = 2 (4))和三碘化钇在THF中进行盐离子交换反应(5,10),随后与适当的钾盐(6–9,11–13,15)进行盐离子交换反应,并进一步与分子氢反应(14)而合成的。6和11(Z = CH(SiMe3)2,x = 2,3)在与苯基硅烷反应时经历了前所未有的钇与硅的置换,生成(SiArN(CH2)xNAr}PhH)(x = 2 (16),3)和(SiCH(SiMe3)2}PhH2)。