Lower Members of Diethoxycyclopolysiloxanes from Diethoxydichlorosilane

Abstract
(1) Diethoxydichlorosilane did not easily react with sodium bicarbonate. (2) Diethoxycyclopolysiloxanes beginning with cyclotrimer could be obtained from the hydrolysis of diethoxydichlorosilane by using pyridine as an acid acceptor. (3) The lower members of diethoxycyclopolysiloxanes having three to five silicon atoms have been characterized. (4) The cyclotrimer was found to be formed only in the limited conditions of hydrolysis and it was decomsosed spontaneously in a sealed soft glass ampulla.

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