Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1993-02-25
1993-10-12
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
C07F 708
Patent
active
052527689
ABSTRACT:
A process for the preparation of dimethylchlorosilane by the redistribution reaction of dimethyldichlorosilane with at least one silane having Si-bonded methyl groups, hydrogen atoms and/or chlorine atoms in the presence of a catalyst, in which the silane is methylchlorosilane and/or methylsilane and the catalyst is a support which is insoluble in the reaction medium and to which NR.sub.2 R.sup.1 groups or .sup..crclbar. X.sup..sym. NR.sub.3 R.sup.1 groups are covalently bonded, in which R is the same or different and represents a hydrogen atom or a monovalent hydrocarbon radical having from 1 to 20 carbon atoms per radical, or two R radicals together represent a divalent hydrocarbon radical having from 4 to 11 carbon atoms, which is optionally interrupted by a hetero atom, R.sup.1 represents a divalent hydrocarbon radical having from 1 to 20 carbon atoms per radical and X.crclbar. represents a chloride ion, bromide ion or iodide ion.
REFERENCES:
patent: 2732282 (1956-01-01), Bailey et al.
patent: 2834648 (1958-05-01), Bailey et al.
patent: 3399222 (1968-08-01), Weyenberg
patent: 4605543 (1986-08-01), Lepage et al.
patent: 4667048 (1987-05-01), Inoue et al.
patent: 4746752 (1988-05-01), Lepage et al.
patent: 4870200 (1989-09-01), Ottlinger et al.
K. Moedritzer et al., Journal of Organometallic Chemistry 12 (1968) pp. 69-77.
K. G. Allum et al., Journal of Organometallic Chemistry 87 (1975), p. 203.
E. L. Zichy, Journal of Organometallic Chemistry 4 (1965), pp. 411-412.
W. Noll, Chemie und Technologie der Silicone, Verlag Chemie, Weinheim, 2. Auflage (1968), pp. 76-77.
W. Noll, Chemistry and Technology of Silicones, Academic Press, (1968), pp. 87-88.
Geisberger Gilbert
Pachaly Bernd
Shaver Paul F.
Wacker-Chemie GmbH
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