Studies Toward the Synthesis of (−)-Zampanolide: Preparation of <i>N</i>-Acyl Hemiaminal Model Systems
作者:Dawn M. Troast、John A. Porco
DOI:10.1021/ol025558l
日期:2002.3.1
[structure: see text] Synthesis of N-acyl hemiaminal model systems related to the side chain of the antitumor natural product zampanolide is reported. Key steps involve oxidative decarboxylation of N-acyl-alpha-amino acid intermediates, followed by ytterbium triflate mediated solvolysis. Evidence for stabilization of the N-acyl hemiaminal moiety in model compounds by an intramolecular hydrogen-bonding