Synthesis of silyl ketene acetal from allyl 2-organoacrylates

Details Synthesis of silyl ketene acetal from allyl 2-organoacrylates Synthesis of silyl ketene acetal from allyl 2-organoacrylates

C - Chemistry, Metallurgy

07

F

260/447.5

C07F 7/18 (2006.01) C07F 7/08 (2006.01)

Patent

CA 1327209

SYNTHESIS OF SILYL KETENE ACETAL FROM ALLYL 2-ORGANOACRYLATES ABSTRACT A process is described for preparing silyl ketene acetals having the formula, (CH3)RC=C(OSiRi3)2 , from allyl 2-organoacrylates. The process comprises contacting an allyl 2-organoacrylate with a trisubstituted silane in the presence of a rhodium catalyst; and separating and isolating the silyl ketene acetal. Silyl ketene acetal of greater than 85-90 percent purity can be recovered.

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