Journal of Organic Chemistry p. 5483 - 5490 (1990)
Update date:2022-08-02
Topics:
Dufour, M.
Gramain, J.-C.
Husson, H.-P.
Sinibaldi, M.-E.
Troin, Y.
A synthesis for the preparation of 19-oxoaspidospermidine (1) and 19-oxoaspidofractinine (2) has been developed beginning with tetracyclic amido alcohol 9.Dehydration of 9 gave enamine 10.Reduction to the corresponding enamine followed by reaction with ac
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