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Synthesis, characterization and structures of diphenyldiaminosilanes bearing bulky substituents on nitrogen

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Title Synthesis, characterization and structures of diphenyldiaminosilanes bearing bulky substituents on nitrogen
 
Creator MURUGAVEL, RAMASWAMY
PALANISAMI, NALLASAMY
BUTCHER, RAY J
 
Subject synthesis
nmr spectroscopy
x-ray diffraction
spectroscopic analysis
 
Description Aminosilanes bearing bulky substituents on nitrogen centers, [(ArNH)2SiPh2] (Ar=2,6-iPr2C6H3 (1), 2,4,6-Me3C6H2 (2), 2,6-Et2C6H3 (3)), have been prepared in good yields by the addition of dichlorodiphenylsilane to the corresponding substituted monolithiated aniline. The new compounds have been characterized by elemental analysis and IR, EI mass and NMR (1H and 29Si) spectroscopic studies. The solid-state structures of 1 and 3 have been determined by single crystal X-ray diffraction studies. The molecules have a Cs symmetry and the two N---H protons are approximately trans to each other. The amido nitrogen atoms show significant deviation from trigonal-planar geometry, as a result of which the observed Si---N bonds are marginally longer than those observed in aminosilanes with planar nitrogen atoms.
 
Publisher Elsevier
 
Date 2009-03-09T07:40:10Z
2011-11-25T18:42:11Z
2011-12-26T13:06:59Z
2011-12-27T05:54:57Z
2009-03-09T07:40:10Z
2011-11-25T18:42:11Z
2011-12-26T13:06:59Z
2011-12-27T05:54:57Z
2007
 
Type Article
 
Identifier Journal of Organometallic Chemistry 675(1-2), 65-71
0277-53870022-328X
http://dx.doi.org/10.1016/S0022-328X(03)00233-X
http://hdl.handle.net/10054/887
http://dspace.library.iitb.ac.in/xmlui/handle/10054/887
 
Language en