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(S)-1,2-Dimethyl-1,1,2-triphenyl-2-(4-piperidiniometh-yl)disilane chloride.

ABSTRACT: The title compound, C(26)H(34)NSi(2) (+)·Cl(-), shows chirality at silicon. Because of its highly selective synthesis with an e.r. of >99:1 by means of a racemic resolution with mandelic acid, the free disilane is of great importance to the chemistry of highly enanti-omerically enriched lithio-silanes and their trapping products. N-H?Cl hydrogen bonding is present between the protonated nitro-gen atom of the piperidino group and the chloride counter-anion. The silicon-silicon distance as well as silicon-carbon and carbon-nitro-gen bond lengths are in the same ranges as in other quaternary, functionalized di- and tetra-silanes.

SUBMITTER: Daschlein C 

PROVIDER: S-EPMC2959254 | biostudies-literature | 2008 Sep

REPOSITORIES: biostudies-literature

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(S)-1,2-Dimethyl-1,1,2-triphenyl-2-(4-piperidiniometh-yl)disilane chloride.

Däschlein Christian C   Gessner Viktoria H VH   Strohmann Carsten C  

Acta crystallographica. Section E, Structure reports online 20080917 Pt 10

The title compound, C(26)H(34)NSi(2) (+)·Cl(-), shows chirality at silicon. Because of its highly selective synthesis with an e.r. of >99:1 by means of a racemic resolution with mandelic acid, the free disilane is of great importance to the chemistry of highly enanti-omerically enriched lithio-silanes and their trapping products. N-H⋯Cl hydrogen bonding is present between the protonated nitro-gen atom of the piperidino group and the chloride counter-anion. The silicon-silicon distance as well as  ...[more]

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