Tetrahedron Letters p. 3429 - 3432 (1989)
Update date:2022-09-26
Topics:
Dufour, Monique
Gramain, Jean-Claude
Husson, Henri-Philippe
Sinibaldi, Marie-Eve
Troin, Yves
The pentacyclic skeleton 10 of the aspidospermine group of indole alkaloids has been constructed from hexahydrocarbazol-4-one 2 with high stereoselectivity.The synthesis of (+/-) 19-oxo aspidofractinine 12, a direct precursor of aspidofractinine 4, illustrates the usefulness of this new general strategy.
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(1958)
