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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.
https://hal-polytechnique.archives-ouvertes.fr/hal-00954872 Contributor : Denis RouraConnect in order to contact the contributor Submitted on : Thursday, March 13, 2014 - 9:17:22 PM Last modification on : Thursday, December 9, 2021 - 2:26:02 PM
T. Kaoudi, L.D. Miranda, Samir Z. 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⟩