Tetrahedron p. 5245 - 5254 (1994)
Update date:2022-07-30
Topics:
Gabbutt, Christopher D.
Hepworth, John D.
Heron, B. Mark
3-Chloro-3-chlorosulfenylchroman-4-ones are efficiently obtained from chroman-4-ones by treatment with thionyl chloride.Direct oxidation affords 3,3-dichlorochroman-4-ones, whilst conversion to the sulfenamides prior to oxidation provides a facile route to 3-chlorochroman-4-ones.
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