期刊
JOURNAL OF CARBOHYDRATE CHEMISTRY
卷 24, 期 4-6, 页码 353-367出版社
TAYLOR & FRANCIS INC
DOI: 10.1081/CAR-200066915
关键词
glycosylated amino acid; S-glycosidic linkage; N-glycosidic linkage; glycopeptide
A general route for the preparation of 1,2-trans-linked S-glycosylated amino acid building blocks by a Lewis-acid-promoted condensation of peracetylated glycosyl donors and N-alpha-Fmoc-Cys-OH, in good overall yield, is described. In addition, a short and time-efficient route was applied for the synthesis of N-glycosylated amino acid building blocks in good overall yields by coupling unprotected glycosylamines and N-alpha-Fmoc-Asp(OH)-(OBu)-Bu-t using TBTU activation.
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