Diterpenes. Part X. Some transformations of phyllocladene and isophyllocladene
- 1 January 1972
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 190-194
- https://doi.org/10.1039/p19720000190
Abstract
The products from, and the effect of solvent on the ring-opening of 15α,16-epoxyphyllocladane (1) and of 16,17-epoxyphyllocladane (17) with boron trifluoride have been examined. The action of other Lewis acids has also been investigated. Treatment of 15α,16-epoxykaurane (21) with boron trifluoride–ether complex results in rearrangement, giving atisiran-15-one (25). Photo-oxygenation of phyllocladene (6) and isophyllocladene (19) has been studied; a minor product from the latter reaction is 15α,16-epoxyphyllocladan-17-ol (2).Keywords
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