Tetrahedron Letters p. 2485 - 2488 (1999)
Update date:2022-08-30
Topics:
Girotra, Narindar N.
Ponpipom, Mitree M.
C4-Hydroxy protected zaragozic acid A derivatives, upon treatment with CsF in DMF, underwent novel transformations to give tricyclic compounds. The process was initiated by intramolecular C3 proton abstraction by the C7 alkoxide anion to form the enolate ion, which can cyclie by two different pathways.
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