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Synthesis of the Multifunctional (Chloromethyl)silanes Cl<sub>2</sub>Si(CH<sub>2</sub>Cl)<sub>2</sub>, (MeO)<sub>2</sub>Si(CH<sub>2</sub>Cl)<sub>2</sub>, RSi(CH<sub>2</sub>Cl)<sub>3</sub> (R = 2,4,6-Trimethoxyphenyl), ClSi(CH<sub>2</sub>Cl)<sub>3</sub>, MeOSi(CH<sub>2</sub>Cl)<sub>3</sub>, Si(CH<sub>2</sub>Cl)<sub>4</sub>, and ClCH<sub>2</sub>CH<sub>2</sub>Si(CH<sub>2</sub>Cl)<sub>3</sub>
27
Citations
8
References
2004
Year
Inorganic ChemistryChemical EngineeringEngineeringSingle-crystal X-ray DiffractionSich2cl MoietySynthetic Organosilicon ChemistryOrganometallic CatalysisChemistryHalogenationInorganic SynthesisBiomolecular EngineeringInorganic Compound
A series of multifunctional (chloromethyl)silanes have been synthesized: Cl2Si(CH2Cl)2 (1), (MeO)2Si(CH2Cl)2 (2), tris(chloromethyl)(2,4,6-trimethoxyphenyl)silane (3), ClSi(CH2Cl)3 (4), MeOSi(CH2Cl)3 (5), Si(CH2Cl)4 (6), and ClCH2CH2Si(CH2Cl)3 (7). The synthesis of these compounds is based on coupling reactions between (chloromethyl)lithium, generated in situ from bromochloromethane and n-butyllithium in tetrahydrofuran, and chlorosilanes. Compounds 1−7 were characterized by NMR studies (1H, 13C, 29Si) and elemental analyses, and 3 and 6 were additionally studied by single-crystal X-ray diffraction. Silanes with more than one SiCH2Cl moiety and compounds of this type with additional Si-functional groups are of great interest for synthetic organosilicon chemistry.
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