Coordination compounds of organometallic bases of group IV elements. Part VII, Reactions of organoamino triorganoxy/di-n-butoxy phenyl silanes with titanium(IV) chloride
作者:Suraj P. Narula、Neeta Kapur
DOI:10.1016/s0020-1693(00)90849-1
日期:1983.1
−20 to −5 °C to give compounds of composition RSi(NHR′)3·2TiCl4 (where R = OEt, OPr-n, OBu-n, OPh or Ph and R′ = CH2Ph, Ph or Bu-n) and tetraalkoxy/tetraphenoxy/phenyl tri-n-butoxy silanes. Structure of the complexes is determined by elemental analyses, infrared and 1H n.m.r. spectroscopy. These reactions are proposed to involve disproportionation of ligands. Similar reaction with (PhO)Et2SiNHCH2C6H5
摘要四氯化碳,石油醚或二氯甲烷中的苄基氨基三乙氧基/三正丙氧基/三正丁氧基/三苯氧基/二正丁氧基苯基硅烷,苯胺基三正丙氧基/三苯氧基硅烷或正丁基氨基三苯氧基硅烷反应在-20至-5°C的相同溶剂中,用TiCl4制成成分为RSi(NHR')3·2TiCl4的化合物(其中R = OEt,OPr-n,OBu-n,OPh或Ph,R'= CH2Ph, Ph或Bu-n)和四烷氧基/四苯氧基/苯基三正丁氧基硅烷。配合物的结构通过元素分析,红外和1H核磁共振光谱确定。提出这些反应涉及配体的歧化。与(PhO)Et2SiNHCH2C6H5的类似反应导致形成Et2Si(NHCH2C6H5)2·2TiCl4,而Me3SiNHCH2C6H5得到1:1的产物(Me3SiNHCH2C6H5·TiCl4)。