A short synthetic route to 16-demethyleneervitsine (6), based on the nucleophilic addition of 2-acetyl-indole enolates to N-alkyl-beta-acylpyridinium salts and further acid cyclization of the resulting 1,4-dihydropyridine intermediates, is reported.
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页码:3895 / 3898
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[1]
ANDRIANTSIFERANA M, 1977, TETRAHEDRON LETT, P2587