J. Mulzer et al., ASYMMETRIC-SYNTHESIS OF THE C-26-C-32 TETRAHYDROPYRAN MOIETY OF SWINHOLIDE-A BY HETERO-DIELS-ALDER REACTION, Tetrahedron letters, 36(20), 1995, pp. 3503-3506
A three step stereoselective synthesis of the C-26-C-32 tetrahydropyra
n section of Swinholide A (1) via a Lewis acid mediated hetero-Diels-A
lder reaction is presented.