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2005
Ring closure reactions
O 0130
Expedient Syntheses of Sulfonylhydantoins and Two Six-Membered Analogues.
This new one-step method for the synthesis of sulfonylhydantoins, e.g. (II) and (IV)
33- 047 —
is reported to be efficient, high-yielding and has no need for chromatography in the
work up. Six-membered analogues (VII) and (XIII) are also prepared by using novel
synthetic protocols and shown to be compatible to further functionalization. —
(CAMPELL*, A. D.; BIRCH, A. M.; Synlett 2005, 5, 834-838; AstraZeneca,
Macclesfield, Cheshire SK10 4TG, UK; Eng.) — C. Oppel
2005
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