Phosphorus, Sulfur and Silicon and the Related Elements p. 221 - 230 (1998)
Update date:2022-07-31
Topics:
Gabbutt, Christopher D.
Hepworth, John D.
Heron, B. Mark
Jones, Alan M.
Raper, Eric S.
Clegg, William
Reaction of 2,2,6-trimethylthiochroman-3,4-dione with an excess of methylenetriphenyl-phosphorane yields the stabilised ylide (4) by way of an α-ketol rearrangement. X-Ray crystallography indicates that (4) exists as the (Z)-isomer and provides supporting evidence for an enolate structure.
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