2001 vitamins

vitaminsU 0900

38 - 202Intramolecular Diels–Alder Reactions of Dienynylsulfoximines. —Ring systems such as (II) and (III) representing the CD-substructure of vitaminD3 are obtained by intramolecular Diels–Alder reaction of dienynylsulfoximines[cf. (I)] in good yields. — (CRAIG, DONALD; DE LA ROSA, VICTORGUERRERO; Synlett (2001) 6, 761-764; Dep. Chem., Imp. Coll. Sci. Technol.Med., London SW7 2AY, UK; EN)

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