Synthese und Metallierung des Diphosphanyldisilans iPr4Si2(PH2)2, des zyklischen Silylphosphans (iPr2Si)3PH sowie des zyklischen Siloxylphosphans tBu2Si(OSiiPr2)2PH

Synthese und Metallierung des Diphosphanyldisilans iPr4Si2(PH2)2, des zyklischen Silylphosphans (iPr2Si)3PH sowie des zyklischen Siloxylphosphans tBu2Si(OSiiPr2)2PH
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二膦基二硅烷 iPr4Si2(PH2)2、zyklischen Silylphosphans (iPr2Si)3PH 的合成和金属化以及 zyklischen Siloxylphosphans tBu2Si(OSiiPr2)2PH 的合成和金属化

DOI：
10.1002/zaac.200700180
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发表时间：
2007
期刊：
Zeitschrift für anorganische und allgemeine Chemie
影响因子：
--
通讯作者：
S. Ståhl
S. Ståhl
中科院分区：
--
文献类型：
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作者：
C. Hänisch;Stephan Traut;S. Ståhl

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二膦基二硅烷 iPr4Si2(PH2)2、环状硅基膦 (iPr2Si)3PH 以及环状硅氧基膦 tBu2Si(OSiiPr2)2PH 的合成和金属化 1,2-二膦基二硅烷 iPr4Si2(PH2)2 (1) 由 iPr4Si2Cl2 与 [Li(dme)PH2] 反应得到。而 [Li(dme)PH2] 与 1,3-二氯三硅烷 iPr6Si3Cl2 和 1,5-二氯三硅氧烷 tBu2Si(OSiiPr2Cl)2 反应生成环状化合物 (iPr2Si)3PH (2) 和 tBu2Si(OSiiPr2)2PH (3)。 1与AlEt3反应生成多环化合物[iPr4Si2{P(H)AlEt2}{PAlEt}]2 (4)，2、3与nBuLi反应生成三环化合物[(iPr2Si)3PLi(dme)]2 (5)和[tBu2Si(OSiiPr2)2PLi(Et2O)]2·C7H8 (7)。这些锂化合物与 Me3SiCl 反应生成叔环状甲硅烷基膦 (iPr2Si)3PSiMe3 (6) 和 tBu2Si(OSiiPr2)2PSiMe3 (8)。
Synthesis and Metalation of the Diphosphanyldisilane iPr4Si2(PH2)2, of the cyclic Silylphosphane (iPr2Si)3PH as well as of the cyclic Siloxylphosphane tBu2Si(OSiiPr2)2PH The 1,2-diphosphanyldisilane iPr4Si2(PH2)2 (1) was obtained from the reaction of iPr4Si2Cl2 with [Li(dme)PH2]. Whereas reactions of [Li(dme)PH2] with the 1,3-dichlortrisilane iPr6Si3Cl2 and the 1,5-dichlortrisiloxane tBu2Si(OSiiPr2Cl)2 yield the cyclic compounds (iPr2Si)3PH (2) and tBu2Si(OSiiPr2)2PH (3). The reaction of 1 with AlEt3 produced the polycyclic compound [iPr4Si2{P(H)AlEt2}{PAlEt}]2 (4), by reactions of 2 and 3 with nBuLi the tricyclic compounds [(iPr2Si)3PLi(dme)]2 (5) and [tBu2Si(OSiiPr2)2PLi(Et2O)]2·C7H8 (7) were obtained. Reactions of these lithium compounds with Me3SiCl produced the tertiary, cyclic silylphosphanes (iPr2Si)3PSiMe3 (6) and tBu2Si(OSiiPr2)2PSiMe3 (8).