Preparation of siloxanes

Organic compounds -- part of the class 532-570 series – Organic compounds – Silicon containing

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556456, C07F 708

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active

051264706

ABSTRACT:
This invention relates to a non-aqueous method for preparing disiloxanes, copolymeric siloxanes, and cyclic siloxanes containing phenyl, higher alkyl, and certain reactive groups bonded to silicon atoms using selenium dioxide as a catalyst. The siloxanes which are formed using this method can be separated from the reaction mixture and purified.

REFERENCES:
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patent: 4395563 (1983-07-01), Hayes
patent: 4578494 (1986-03-01), Marko et al.
Lee, J. G., and Kang, K. K., "Selinium Dioxide Catalyzed Conversion of Alcohols to Alkyl Chlorides by Chlorotrimethylsilane", J. Org. Chem. 1988, 53, pp. 3634-3637.

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