Preparation of siloxanes

Details Preparation of siloxanes Preparation of siloxanes

1991-04-10

1992-06-30

Shaver, Paul F.

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

Organic compounds

Silicon containing

556456, C07F 708

Patent

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:
patent: 2629725 (1953-02-01), Hyde
patent: 3647846 (1972-03-01), Hartlein et al.
patent: 4060537 (1977-11-01), Maass et al.
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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