Tetrahedron Letters p. 5441 - 5444 (1990)
Update date:2022-07-30
Topics:
Heidt, Philip C.
Bergmeier, Stephen C.
Pearson, William H.
Cyclic imines 6a and 6b were obtained by the intramolecular 1,3-dipolar cycloaddition of azides with methylenecyclopropanes. Acid catalyzed rearrangement produced bicyclic (-)-enamines 7, which upon reduction provided indoilizidenes 8. A similar strategy was used for the synthesis of (-)-8a-epi-desacctoxyslaframine 16.
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(2011)
