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his vinylstannane undergoes Stille coupling with a vinyl triflate, giving, after hydrolysis, an α,β−unsaturated ketone, thus acting as an acetyl anion equivalent.
T 2185 (OTTO) Tributyl(1-ethoxyvinyl)stannane, 97% Cas 97674-02-7 - used in a recent synthesis of a 13-oxophorbine (chlorophyll) from the corresponding 13-bromochlorin.