Si,Si'diorganyl-N-alkyl-tetrachloro-disilazanes and a process fo

Details Si,Si'diorganyl-N-alkyl-tetrachloro-disilazanes and a process fo Si,Si'diorganyl-N-alkyl-tetrachloro-disilazanes and a process fo

1988-12-02

1989-11-21

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 710

Patent

active

048824488

ABSTRACT:
The invention relates to a process for the preparation of Si,Si'-diorganyl-N-alkyl-tetrachloro-disilazanes of the formula RSiCl.sub.2 --NR'--SiCl.sub.2 R, in which R is C.sub.1 -C.sub.4 -alkyl, vinyl or phenyl and R' is C.sub.1 -C.sub.4 -alkyl, and to these compounds themselves, with the exception of those where R=R'=CH.sub.3. To prepare the compounds mentioned, organyltrichlorosilanes RSiCl.sub.3 and monoalkylamines R'NH.sub.2 are reacted with one another in an aprotic solvent at -10.degree. C. to +70.degree. C., the molar ratio of RSiCl.sub.3 :R'NH.sub.2 being at least 0.3:1.

REFERENCES:
patent: 3393218 (1968-07-01), Van Wager et al.
patent: 3755397 (1973-08-01), Roth et al.
patent: 3927057 (1975-12-01), Tahaniezawa et al.
J. P. Mooser et al., Z. Naturforsch., 296, 166-173, (1973).

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