Tetrahedron Letters p. 7001 - 7004 (1996)
Update date:2022-08-02
Topics:
Woehrle, Ingo
Classen, Arno
Peterek, Marcus
Scharf, Hans-Dieter
The first total synthesis of the 15-epimer 1b of the naturally occurring acetogenin annonin I 1a is described. All stereogenic centres in the bis-THF subunit are controlled via successive Sharpless asymmetric epoxidations (AE). Alkyl side chains were attached directly to the core using alkyne-epoxide couplings.
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