Tetrahedron letters

Radical cyclizations. A convergent total synthesis of (±)-γ-lycorane

J Cossy, L Tresnard, DG Pardo

Index: Cossy, Janine; Tresnard, Ludovic; Gomez Pardo, Domingo Tetrahedron Letters, 1999 , vol. 40, # 6 p. 1125 - 1128

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Citation Number: 22

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... (±)-γ-Lycorane has been synthesized in 10 steps from piperonylic alcohol. Two radical reactions were used successively to build the D and B rings. ... 12a (always mixed with 12b) 1 H NMR (C 6 D 6 ) δ: 7.19 (s, 1H), 7.05 (s, 1H), 5.21 (s, 2H), 4.00-3.93 (m, 1H), 3.67 (d, J = 14.2 Hz, ...