期刊
TETRAHEDRON-ASYMMETRY
卷 21, 期 23, 页码 2755-2761出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetasy.2010.11.008
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资金
- UGC, New Delhi
- Department of Science and Technology, New Delhi [SR/S1/RFPC-06/2006]
- Bose Institute, Kolkata
A convenient chemical synthesis of the hexasaccharide repeating unit of the cell wall lipopolysaccharide of Azospirillum irakense KBC1 has been successfully achieved. A stereo- and regioselective [4 + 2] block glycosylation strategy has been used to obtain the target hexasaccharide as its octyl glycoside. All synthetic intermediates have been prepared in high yields from commercially available reducing sugars following a series of protection-deprotection reactions. An oxidation-reduction methodology has been applied to convert beta-D-glucosidic unit to a beta-D-mannosidic moiety. (C) 2010 Elsevier Ltd. All rights reserved.
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