Phosphinoalkylsilyl Complexes. 12. Stereochemistry of the Tridentate Bis(diphenylphosphinopropyl)silyl (biPSi) Framework: Complexation That Introduces “Face Discrimination” at Coordinatively Unsaturated Metal Centers. X-ray Crystal and Molecular Structures of Pt[SiMe(CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>PPh<sub>2</sub>)<sub>2</sub>]Cl, IrH[SiMe(CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>PPh<sub>2</sub>)<sub>2</sub>]Cl, and RuH[SiMe(CH<sub>2</sub>CH<sub>2</sub>CH<sub>2</sub>PPh<sub>2</sub>)<sub>2</sub>](CO)<sub>2</sub><sup>1</sup>
作者:Ron D. Brost、Gregg C. Bruce、Frederick L. Joslin、Stephen R. Stobart
DOI:10.1021/om970518k
日期:1997.12.1
with Pt(COD)Cl2 (COD = cycloocta-1,5-diene), [Ir(COD)Cl]2, trans-M(PPh3)2(CO)Cl (M = Rh or Ir), or Ru3(CO)12 affords products that are complexes of tridentate biPSi silyl analogues, in which the Si center is anchored through attachment of trans P atoms at the transition-metal site. The platinum(II) compounds Pt[SiMe(CH2CH2PPh2)2]Cl (1), Pt[SiMe(CH2CH2PCy2)2]Cl (2), Pt[SiPh(CH2CH2PCy2)2]Cl (3), Pt[Si
双(膦烷基)硅烷RSiH [(CH 2)n PR 1 2 ] 2(R = Me或Ph,n = 2或3,R 1 = Ph或Cy,即环己基; biPSiH表示R = Me,n = 2,R 1 = Ph)与Pt(COD)Cl 2(COD =环辛-1,5-二烯),[Ir(COD)Cl] 2,反式-M(PPh 3)2(CO)Cl( M = Rh或Ir)或Ru 3(CO)12提供的产品是三齿biPSi甲硅烷基类似物的复合物,其中Si中心通过反式连接而锚定过渡金属位点上的P原子。铂(II)化合物Pt [SiMe(CH 2 CH 2 PPh 2)2 ] Cl(1),Pt [SiMe(CH 2 CH 2 PCy 2)2 ] Cl(2),Pt [SiPh(CH 2 CH 2) PCy 2)2 ] Cl(3),Pt [SiPh(CH 2 CH 2 PPh 2)(CH 2 CH 2 PCy 2)] Cl(4),Pt