Diterpene Synthesis. III. Acid-Catalyzed Cyclization of Methoxyphenylethyltrimethyl-Cyclohexanols, Cyclohexenols and Cyclohexenones

1 January 1985

journal article
Published by CSIRO Publishing in Australian Journal of Chemistry

Vol. 38 (12)
https://doi.org/10.1071/ch9851815

Abstract

Cyclization of the methoxyphenylethyltrimethylcyclohexanols (3), (4) and (5), the cyclohexenols (6) and (7) and the cyclohexenones (20) and (21), in the presence of a variety of acids, has been studied and the products analysed by chromatographic and spectroscopic techniques. Both cis - and trans-podocarpa-8,11,13-trienes are formed, along with the rearranged compounds (16), (17) and (30). These results parallel our earlier findings and contrast with some reports in the literature.

Keywords

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