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卷 41, 期 40, 页码 7661-7665出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(00)01314-9
关键词
pyrrolizidine alkaloid; alexine; stereoselective reduction; chiral lactam; D-arabinofuranose
The total synthesis of the potent glycosidase inhibitor (+)-alexine with five contiguous stereogenic centres [(1R,2R,3R,7S,7aS)-3-hydroxymethyl-1,2,7-trihydroxypyrrolizidine alkaloid] is described featuring. the efficient and stereodefined novel elaboration of the functionalized homochiral lactam derived from 2,3,5-tri-O-benzyl-beta-D-arabinofuranose. (C) 2000 Elsevier Science Ltd. All rights reserved.
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