由十二甲基环己硅烷的光解反应生成的二甲基甲硅烷基可有效地插入醇的OH单键中,生成烷氧基二甲基硅烷。使用乙醇-O- d 1产生乙氧基二甲基硅烷-Si- d 1。二甲基亚甲硅烷也插入到水或dOH单键2 O操作得到分别四甲基二硅氧烷或四甲基二硅氧烷-硅2 - d 2。二甲基亚甲硅烷基也可插入伯胺和仲胺的NH键中,从而生成氨基二甲基硅烷。该反应提供了双官能硅烷的有效途径。
Dialkylaluminium-(N-methylsilyl)amides give characteristic massspectrometric fragments dependent on alkyl or aryl substituents at nitrogen in addition to the methylsilyl group. The mass spectra of these compounds formulated as R1N(R2)AlR32 (R1 HMe2Si, Me3Si; R2 alkyl, Ph; R3 alkyl) were interpreted with regard to substituent effects. To verify the given interpretations some energy data are
Nonclassical β-Hydrogen Elimination of Hydrosilazido Zirconium Compounds via Direct Hydrogen Transfer
作者:KaKing Yan、Arkady Ellern、Aaron D. Sadow
DOI:10.1021/ja302226c
日期:2012.6.6
metathesis reactions of Cp(2)(NR(2))ZrX (X = Cl, I, OTf) and lithium hydrosilazides ultimately afford hydride products Cp(2)(NR(2))ZrH that suggest unusual β-hydrogen elimination processes. A likely intermediate in one of these reactions, Cp(2)Zr[N(SiHMe(2))t-Bu][N(SiHMe(2))(2)], is isolated under controlled synthetic conditions. Addition of alkalimetal salts to this zirconium hydrosilazide compound produces
Preparation of titanium(II) or zirconium(II) complexes
申请人:The Dow Chemical Company
公开号:US06090962A1
公开(公告)日:2000-07-18
Titanium and zirconium complexes comprising one or more, cyclic, delocalized .pi.-bonded ligand groups wherein the metal of said complexes is in the +2 formal oxidation state are prepared in high yield and purity by reaction of the corresponding titanium or zirconium halides in the +3 or +4 oxidation state with a di(C.sub.1-20 alkyl) magnesium reagent. The complexes are used as catalyst components for olefin polymerization catalysts.
Conversion of Trivalent Uranium Anilido to Tetravalent Uranium Imido Species via Oxidative Deprotonation
作者:Diana Perales、Shannon A. Ford、Sahan R. Salpage、Tyler S. Collins、Matthias Zeller、Kenneth Hanson、Suzanne C. Bart
DOI:10.1021/acs.inorgchem.0c01704
日期:2020.9.8
Two uranium(III) anilido complexes were synthesized, Tp*2U(NH-C6H4-p-terpyridine) (2-terpy) and Tp*2U(NH-C6H4-p-CH3) (2-ptol), where Tp* = hydrotris(3,5-dimethylpyrazolyl)borate, by protonation of Tp*2UBn (1-Bn; Bn = benzyl) with 4-[2,6-di(pyridin-2-yl)pyridin-4-yl]benzenamine or p-toluidine, respectively. Conversion to the respective uranium(IV) imido species was possible by oxidation and deprotonation
合成了两种铀(III)苯胺金属配合物,Tp * 2 U(NH-C 6 H 4 - p-叔吡啶)(2-terpy)和Tp * 2 U(NH-C 6 H 4 - p -CH 3)(2-ptol),其中Tp * =氢三(3,5-二甲基吡唑基)硼酸酯,通过Tp * 2 UBn(1-Bn ; Bn =苄基)用4- [2,6-二(吡啶-2-基)质子化)吡啶-4-基]苯胺或对甲苯胺。可以通过氧化和去质子化反应转化为相应的铀(IV)亚氨基物种,从而形成Tp * 2 U(NC 6 H4 - p -三联吡啶)(3-三联吡啶)和Tp * 2 U(NC 6 H ^ 4 - p -CH 3)(3-PTOL)。这些化合物通过多核NMR光谱,IR光谱,电子吸收光谱和X射线晶体学进行表征。
Kochina; Shchukin; Nefedov, Russian Journal of General Chemistry, 2000, vol. 70, # 8, p. 1233 - 1236