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Selenostannylation of arynes produced by silylaryl triflates under mild reaction conditions

Tributyl[(phenylselanyl)aryl]stannanes were prepared in good yields by reaction between tributyl(phenylselanyl)stannane and 2-(trimethylsilyl)aryl triflates in the presence of potassium fluoride and18-crown-6 ether in THF at 0 ºC.

benzyne; arynes; insertion reaction; selenostannanes


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