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Phosphazene base P 2-Et mediated isomerization of vinyl sulfones to allyl sulfones
Journal article   Peer reviewed

Phosphazene base P 2-Et mediated isomerization of vinyl sulfones to allyl sulfones

Zhendong Jin, Seong Heon Kim and P.L. Fuchs
Tetrahedron letters, Vol.37(30), pp.5247-5248
1996
DOI: 10.1016/0040-4039(96)01110-0

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Abstract

Treatment of vinyl sulfones with 0.1–0.2 eq of Phosphazene base, P 2-Et in THF at 25°C affords the corresponding allyl sulfones in high yield. P 2-Et has shown clear superiority to both DBU and KO-t-Bu in these reactions. Graphic

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