Journal of the Chemical Society Chemical Communications · 1994 · 52 citations · 6 references
Natural SciencesChemistryOrganic ChemistryChemical ReactionsGelsHeterocycle SynthesisHeterocyclic ChemistryTotal Synthesis-derived Analogues
The synthesis of tetracyclic ketone 21, a key intermediate in the total synthesis of the alkaloid gelsemie, is described.
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Henk Hiemstra, R. J. VIJN, W. N. SPECKAMP · The Journal of Organic Chemistry · 1988 · 34 citations
Gilbert Stork, Marie E. Krafft, Scott A. Biller · Tetrahedron Letters · 1987 · 32 citations