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Synlett 2000; 2000(6): 0859-0861
DOI: 10.1055/s-2000-6728
DOI: 10.1055/s-2000-6728
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New Olefination of Acetals with TMSCH2Cu(PBu3) · LiI under the Influence of BF3 · OEt2
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Publikationsverlauf
Publikationsdatum:
31. Dezember 2000 (online)


Peterson-type olefination of acetals can be conveniently performed by reaction with TMSCH2Cu(PBu3)LiI, which is prepared in-situ from TMSCH2Li, BuI and PBu3, under the influence of BF3 · OEt2 via Lewis acid-promoted β-elimination of β-alkoxysilanes.
olefination - acetals - TMSCH2Cu(PBu3) · LiI - BF3 · OEt2