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https://doi.org/10.1016/j.tetlet.2021.153425
Copy DOIJournal: Tetrahedron Letters | Publication Date: Sep 21, 2021 |
A transition metal free synthesis of tetrasubstituted allenes is presented, the reaction of α,β-unsaturated esters with ortho-sulfinylated benzyl-propargylic carbanions yields the tetrasubstituted chiral allene in good yields (44–61%) and with good isomeric ratios (75:25 to 90:10).
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