Monocyclopentadienyl Phenoxido–Amino and Phenoxido–Amido Titanium Complexes: Synthesis, Characterisation, and Reactivity of Asymmetric Metal Centre Derivatives
作者:Giuseppe Alesso、Martial Sanz、Marta E. G. Mosquera、Tomás Cuenca
DOI:10.1002/ejic.200800553
日期:2008.10
/ethyl ether solution. The reaction of TiCpCl 3 with 2a in the presence of 2.5 equiv. of NEt 3 in a polar solvent (thf, CH 2 Cl 2 or toluene) at room temperature affords TiCp[Ph(H)NCH2(3,5-tBu 2 C 6 H 2 -2-O)]Cl (6a) as a mixture of two stereoisomers. All the reported compounds were characterised by the usual analytical and spectroscopic methods and the molecular structures of 2a, 2d, 2e and 3d were
酚亚胺衍生物的还原 R'N=CH(3,5-R 2 C 6 H 2 -2-OH) (R = tBu; R' = C 6 H 5 la, p-MeC 6 H 4 1b, Cy 1c, tBu 1d, 2,6-Me 2 C 6 H 3 1e;R = H;R' = p-MeC 6 H 4 1f;Cy = 环己基)与 MBH 4 (M = Li, Na) 或 AlLiH 4 in乙醚或 thf 在室温下得到苯酚-胺化合物 R'NHCH2(3,5-R2C 6 H 2 -2-OH) 2a-c 和 2e,f。NR-[2,4-二-叔丁基]苯并-1-oxa-3-azine物质(R = tBu 2dl, 2,6-Me 2 C 6 H 3 2el)通过2的曼尼希反应获得, 4-二叔丁基苯酚与 RNH 2 在回流甲醇中。中间体2dl在室温下在乙醇中转化为N-叔丁基[2-羟基-3,5-二-叔丁基]苄胺(2d),而2e