5-<i>exo</i> Radical Cyclization onto 3-Alkoxyketimino-1,6-anhydromannopyranoses. Efficient Preparation of Synthetic Intermediates for (−)-Tetrodotoxin
作者:B. Noya、M. D. Paredes、L. Ozores、R. Alonso
DOI:10.1021/jo000325y
日期:2000.9.1
6-anhydro-beta-D-mannopyranose derivatives were found to be useful 5-exo radical traps of alkyl and vinyl radicals generated at a chain tethered to the C2 hydroxyl group, allowing advanced syntheticintermediates for (-)-tetrodotoxin to be prepared from D-mannose in good overall yield.