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Platinum Catalysed Hydrostannylation of Terminal Alkynes: Highly Selective Synthesis of Vinyl Stannanes

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<mark>Journal publication date</mark>23/05/2023
<mark>Journal</mark>Advanced Synthesis & Catalysis
Issue number10
Number of pages5
Pages (from-to)1602-1606
Publication StatusPublished
Early online date16/05/23
<mark>Original language</mark>English


We present the first study on the application of platinum complexes in the hydrostannylation of terminal alkynes. A range of platinum complexes were screened, with PtCl 2/XPhos proving to provide the best selectivity for the β-(E)-vinyl stannane. The catalyst system is able to provide the corresponding vinyl stannane in selectivities which surpasses that which is typically afforded under palladium catalysis. Additionally, a telescoped hydrometallation/cross-coupling sequence has been developed, allowing for application of the vinyl stannanes without excessive manipulation or purification of the intermediate stannane. (Figure presented.).