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Page 1: ChemInform Abstract: An Efficient Stereocontrolled Synthesis of (-)-Stypoldione

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07 - 207An Efficient Stereocontrolled Synthesis of (-)-Stypoldione. — Thestereocontrolled synthesis of the title compound (X) via the correspondingalcohol (-)-stypoldiol (IX) is reported. Key steps are the intramolecularDiels-Alder reaction of the S-(+)-carvone derived ( II), a sonochemical Barbierreaction of (IV) and an acid-catalyzed quinol-tertiary alcohol cyclization of thedeprotected (VI). — (ABAD, A.; AGULLO, C.; ARNO, M.; CUNAT, A. C.;MESEGUER, B.; ZARAGOZA, R. J.; Synlett (1996) 9, 913-915; Dep. Quim.Org., Univ. Valencia, E-46100 Burjassot, Valencia, Spain; EN)

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