Tetracyclic quassinoid skeletons 2 and 22 with six correct chiral centres common to numerous quassinoids are constructed from (S)-carvone and 3-methylsulfolene by a 16-step and 13-step reaction sequence involving highly regioselective and stereocontrolled reactions.
|Number of pages||7|
|Journal||Journal of the Chemical Society, Perkin Transactions 1|
|Publication status||Published - 1994|
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