Chemistry Letters p. 633 - 636 (1983)
Update date:2022-08-04
Topics:
Tanaka, Kazuhiko
Ootake, Kazuhiko
Imai, Keisuke
Tanaka, Nobuo
Kaji, Aritsune
Dianions derived from β-hydroxy sulfones are highly reactive toward a variety of electrophiles including alkyl halides, carbonyl compounds, and sodium iodoacetate.A convenient synthetic method for 4-alkyl- and 5-alkyl-2(5H)-furanones has been developed by using these dianions.A new synthetic approach to trans,3,4-bis(3-hydroxybenzyl)dihydro-2(3H)-furanone, the first lignan found in humans, via a facile reduction of 2(5H)-furanone with Mg-methanol is also described.
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Doi:10.1016/S0040-4020(01)97037-1
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(1974)
