Studies on the preparation of the βZiegl
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M. Leclaire; R. Levet; F. PΓ©ricaud; L. Ricard; J.Y. Lallemand
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Article
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1996
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Elsevier Science
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French
β 885 KB
Preparation of the "Ziegler key intermediate" 2from lactone 3, readily obtained from hydroxy-O-ionone, was studied. In a first exploratory approach, lactones 11 and 13 were obtained but further transformations aimed at setting the ring junction were unsuccessful due to unexpected rearrangements. Thr