Tetrahedron Letters p. 5161 - 5164 (1987)
Update date:2022-09-26
Topics:
Landais, Y.
Lebrun, A.
Lenain, V.
Robin, J.-P.
Dibenzylbutanolide lignans including cordigerines were synthetized and transformed in the corresponding diarylbutane lignans which were submitted to non-phenolic oxidative coupling conditions by using RuO2 or Tl2O3 in trifluoroacetic medium to give deoxyschizandrins.A concurently aryl-benzyl coupling leads to the formation of the corresponding phenyltetralin of which the structure was confirmed by total synthesis.
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