Stereospecific stille-coupling reaction of (Z)-1,2-bis(trimethylstannyll)ethenes with hypervalent iodonium salts
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Add time:09/08/2019 Source:sciencedirect.com
The Stille coupling of (Z)-1,2-bis(trimethylstannyl)ethenes with hypervalent iodonium salts (1 equiv) proceeded stereospecifically in the presence of PdCl2 (5 mol %) in DMF at room temperature to afford partially substituted (Z)-vinylstannanes under mild conditions. Alternatively, the use of 2 equivalents of hypervalent iodonium salts afforded tri-substituted alkenes.
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