Direct synthesis of diastereomerically pure glycosyl sulfonium salts.
Direct synthesis of diastereomerically pure glycosyl sulfonium salts.
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DOI:
10.1021/ol2009818
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发表时间:
2011-06-03
期刊:
影响因子:
5.2
通讯作者:
Demchenko, Alexei V.
中科院分区:
文献类型:
--
作者:
Mydock, Laurel K.;Kamat, Medha N.;Demchenko, Alexei V.
It is reported that stable glycosyl sulfonium salts can be generated via direct anomeric S-methylation of ethylthio glycosides. Mechanistically, this pathway represents the first step in the activation of thioglycosides for glycosidation, however, it can further allow for the synthesis and isolation of quasi-stable sulfonium ions, representing a new approach for studying these key intermediates.
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