摘要:
Two epimers of (+)-castanospermine, (1S,6S,7R,8R,8aS)-1,6,7,8-tetrahydroxyindolizidine [(+)-8a-epi-castanospermine] (4) and (1R,6S,7R,8R,8aS) derivative [(+)-1,8a-di-epi-castanospermine] (5) were synthesized from methyl alpha-D-glucopyranoside. (C) 1999 Elsevier Science Ltd. All rights reserved.