Method of preparing organosilicon carboxylates

Details Method of preparing organosilicon carboxylates Method of preparing organosilicon carboxylates

1975-01-06

1977-06-07

Shaver, Paul F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604482E, C07F 708

Patent

active

040283917

ABSTRACT:
Halogen and amine groups attached to silicon are replaced by organocarboxylate groups. The replacement is carried out with the reactants dissolved in pentane. Substantially quantitative yields are obtained, and the reaction can be preceded or followed by other reactions carried out in the pentane media. For example, trichlorosilane is reacted with an olefinic unsaturate containing halogen in a first stage reaction. Thereafter the product of the reaction is reacted with an organic acid so that the chlorines attached to the silicon are then replaced by the organocarboxylate groups in a second stage reaction. The remaining halogen is then replaced by amine in a third stage reaction, all in the pentane media. All this is accomplished without an HCl scavenger.

REFERENCES:
patent: 2537073 (1951-08-01), MacKenzie
patent: 2566347 (1951-09-01), MacKenzie
patent: 3542831 (1970-11-01), Gowdy
patent: 3542832 (1970-11-01), Roth

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