Synthesis of a branched d-mannopentaoside and a branched d-mannohexaoside: Models of the inner core of cell-wall glycoproteins of Saccharomyces cerevisiae |
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Authors: | Tomoya Ogawa Kikuo Sasajima |
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Institution: | The Institute of Physical and Chemical Research, Wako-shi, Saitama, 351 Japan |
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Abstract: | Synthetic routes are discussed to the branched d-mannopentaoside methyl 6-O-(2,6-di-O-α-d-mannopyranosyl-α-d-mannopyranosyl)-3-O-α-d-mannopyranosyl-α-d-mannopyranoside and d-mannohexaoside methyl 6-O-(2,6-di-O-α-d-mannopyranosyl-α-d-mannopyranosyl)-3-O-(2-O-α-d-mannopyranosyl-α-d-mannopyranosyl)- α-d-mannopyranoside, employing the properly benzylated d-mannobioside methyl 2,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-α-d-mannopyranosyl)-α-d-mannopyranoside and d-mannotrioside methyl 2,4-di-O-benzyl-6-O-(3,4-di-O-benzyl-α-d-mannopyranosyl)-3-O-(3,4,6-tri-O-benzyl-α-d-mannopyranosyl)-α-d- mannopyranoside as key intermediates. |
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Keywords: | To whom enquiries should be addressed |
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