Tetrahedron Letters p. 7515 - 7518 (1995)
Update date:2022-08-31
Topics:
De Baecke, Govert
De Clercq, Pierre J.
The synthesis of aldehyde 11a is reported based upon the intramolecular Diels-Alder reaction of triene 10, the butenolide-diene part of which was obtained in one step via the condensation of the enolate derived from the (Z)-enoate ester 5 with 2-acetoxypropanal. Aldehyde 11a possesses the correct stereochemistry of the tricyclic part of himbacine, an important muscarine receptor antagonist.
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