Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing
Patent
1986-09-18
1987-06-02
Shaver, Paul F.
Organic compounds -- part of the class 532-570 series
Organic compounds
Silicon containing
556479, 556481, C07F 708
Patent
active
046705740
ABSTRACT:
Silane and monoalkylsilanes can be alkylated using an alkali metal aluminate, MAlR.sub.4, wherein M is Li, Na, or K and each R is a straight chain, alkyl radical solely composed of carbon and hydrogen containing from about 4 to about 18 carbon atoms. The aluminate can be used as a reactant, optionally in the presence of a straight chain alpha-olefin corresponding to the alkyl group in the aluminate. Alternatively, the aluminate can be used as a catalyst for the reaction of the olefin and the silane reactant, in which case from about 5 to about 10 mole percent of the aluminate (based on the silane reactant) is employed. The catalytic reaction is promoted by a smaller amount of a lithium salt such as lithium chloride. Both embodiments are conducted at somewhat elevated temperatures, approximately 160.degree.-210.degree. C., and at autogenous pressures, using reaction times of 8-20 hours.
The products are useful as functional fluids or as intermediates.
REFERENCES:
patent: 2537763 (1951-01-01), Hurd
patent: 2759960 (1956-08-01), Nishikawa et al.
patent: 3065253 (1962-11-01), Merritt
Everly Charles R.
Malcolm Arcelio J.
Nelson Gunner E.
Ethyl Corporation
Johnson Donald L.
Linn Robert A.
Shaver Paul F.
Sieberth John F.
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