Si, si'-diorganyl-n-alkyl-tetrachloro-disiliazanes and a...

C - Chemistry – Metallurgy – 07 – F

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260/446.3

C07F 7/10 (2006.01) C07F 7/12 (2006.01)

Patent

CA 1326678

Abstract of the disclosure Si, Si'-Diorganyl-N-alkyl-tetrachloro-disilazanes and a process for their preparation The invention relates to a process for the preparation of Si,Si'-diorganyl-N alkyl-tetrachloro-disilazanes of the formula RSiCl2-NR'-SiCl2R, in which R is C1-C4- alkyl, vinyl or phenyl and R' is C1-C4-alkyl, and to these compounds themselves, with the exception of those where R = R' D CH3. To prepare the compounds mentioned, organyltrichlorosilanes RSiCl3 and monoalkylamines R'NH2 are reacted with one another in an aprotic solvent at -10°C to +70°C, the molar ratio of RSiCl3 : R'NH2 being at least 0.3 : 1.

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