Concise assembly of linear alpha(1-->6)-linked octamannan fluorescent probe.

Concise assembly of linear alpha(1-->6)-linked octamannan fluorescent probe.
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DOI:
10.1016/j.tetlet.2008.09.164
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发表时间:
2008-12-08
影响因子:
1.8
通讯作者:
Pathak, Ashish K.
Pathak, Ashish K.
中科院分区:
化学4区
文献类型:
--
作者:
Aqueel, Mohammad S.;Pathak, Vibha;Pathak, Ashish K.

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Synthesis of a fluorescently labelled (dansylated) linear α(1→6)-linked octamannan, using glycosyl fluoride donors and thioglycosyl acceptors is described. A selective and convergent two-stage activation progression was executed to construct di-, tetra and octa-mannosyl thioglycosides in three glycosylation steps with excellent yield. Further a 5-N,N-Dimethylaminonaphthalene-1-sulfonamidoethyl (dansyl) group was coupled to 1-azidoethyl octamannosyl thioglycoside. Global deprotection of the coupled product afforded the desired dansylated homo-linear α(1→6)-linked octamannan.
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