TETRAHEDRON, vol.60, no.15, pp.3473-3485, 2004 (SCI-Expanded)
Cascade thermal and decarboxylative cycloaddition reactions of uracil polyoxin C (UPoC) with mono- and di-carbonyl compounds in the presence of a dipolarophile leads, via stabilised and non-stabilised azomethine ylides respectively, to a series of polyoxin cycloadducts related to Nikkomycin B in good to excellent yields and high diastereoselectivity. (C) 2004 Elsevier Ltd. All rights reserved.