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An easy entry into berbane and alloyohimbane alkaloids via a 6-exo radical cyclization.

T. Kaoudi 1 L.D. Miranda 1 Samir Zard 1, 2
1 ICSN - Institut de Chimie des Substances Naturelles
2 DCSO - Laboratoire de synthèse organique
Abstract : [reaction: see text] The pharmacologically important tetracyclic berbane and pentacyclic alloyohimbane structures were prepared efficiently in four steps including a stereoselective 6-exo radical cyclization using xanthates as the radical source.
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https://hal-polytechnique.archives-ouvertes.fr/hal-00954872
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Submitted on : Thursday, March 13, 2014 - 9:17:22 PM
Last modification on : Monday, June 22, 2020 - 12:08:07 PM

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T. Kaoudi, L.D. Miranda, Samir Zard. An easy entry into berbane and alloyohimbane alkaloids via a 6-exo radical cyclization.. Organic Letters, American Chemical Society, 2001, 3 (20), pp.3125-7. ⟨10.1021/ol016424v⟩. ⟨hal-00954872⟩

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