Tetrahedron Letters p. 4655 - 4658 (1999)
Update date:2022-08-04
Topics:
LaCour, Thomas G.
Fuchs
Ring opening of various spiroketals with triphenylphosphine dihalides under neutral conditions produced ω-halo-enolethers in good to excellent yield. The method transformed even the very stable spiroketal of hecogenin acetate at temperatures below any previously reported for such isomerative opening.
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