Synthesis of the naringinase inhibitors l-swainsonine and related 6-C-methyl-l-swainsonine analogues: (6R)-C-methyl-l-swainsonine is a more potent inhibitor of l-rhamnosidase by an order of magnitude than l-swainsonine
作者:Anders E. Håkansson、Jeroen van Ameijde、Graeme Horne、Robert J. Nash、Mark R. Wormald、Atsushi Kato、Gurdyal S. Besra、Sudagar Gurcha、George W.J. Fleet
DOI:10.1016/j.tetlet.2007.10.142
日期:2008.1
Efficient syntheses are reported of the alpha-L-rhamnosidase inhibitors L-swainsonine [(1R,2S,8S,8aS)-octahydroindolizine1,2,8-triol], (6R)-C-methyl-L-swainsonine (IR,2S,6R,8S,8aS)-6-methyloctahydro-indolizine-1,2,8-triol, (6S)-C-methyl-L-swainsonine (IR,2S,6S,8S,8aS)-6-methyloctahydro-indolizine-1,2,8-triol and related 6-C-methyl hydroxycastanospermines [(IR,2S, 6R,7R,8R,8aR)-6-methyl-octahydroindolizine-1,2,6,7,8-pentaol and (IR,2S,6S,8S,8aS)-6-methyloctahydro-indolizine-1,2,8-triol]. (6R)-C-Methyl- L-swainsonine [K-i=0.032 mu M] is a significantly more potent naringinase inhibitor than L-swainsonine [K-i = 0.45 mu M]. (c) 2007 Elsevier Ltd. All rights reserved.