Issue 27, 2009

Syntheses and structures of (N′,N′-dimethylhydrazido)silanes

Abstract

The hydrazidosilanes Ph2Si(NHNMe2)2 (1), Me2Si(NHNMe2)2 (2), PhSi(NHNMe2)3 (3), MeSi(NHNMe2)3 (4), PhClSi(NHNMe2)2 (5), MeClSi(NHNMe2)2 (6), Me2ClSi(NHNMe2) (7), MeClHSi(NHNMe2) (8), MeHSi(NHNMe2)2 (9), Me2HSi(NHNMe2) (10), Me2NN[HSi(NHNMe2)2]2 (11) and Si(NHNMe2)4 (12) have been prepared by the reaction of the corresponding chlorosilanes with N,N-dimethylhydrazine. Some of the compounds containing Si–Cl and N–H functions simultaneously (6, 7, 8) are very reactive and tend to polymerise and could only be characterised by spectroscopic methods (1H, 13C, 29Si NMR, IR, MS). All other compounds could additionally be characterised by elemental analyses. The structures of 1, 2, 5, 9, 11 and 12 in the solid state were determined by X-ray diffraction. These include the first structural determinations of compounds containing SiH–NH–N (9, 11) and SiCl–NH–N (5) units.

Graphical abstract: Syntheses and structures of (N′,N′-dimethylhydrazido)silanes

Supplementary files

Article information

Article type
Paper
Submitted
07 Jan 2009
Accepted
16 Apr 2009
First published
15 May 2009

Dalton Trans., 2009, 5300-5309

Syntheses and structures of (N′,N′-dimethylhydrazido)silanes

I. Gronde, B. Neumann, A. Willner, T. Pape and N. W. Mitzel, Dalton Trans., 2009, 5300 DOI: 10.1039/B900293F

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