Total Synthesis of a Glycoglycerolipid from Meiothermus taiwanensis through a One-Pot Glycosylation Reaction and Exploration of its Immunological Properties

被引:9
作者
Ghosh, Bhaswati [1 ]
Lai, Yen-Hsun [1 ]
Shih, Yu-Yin [2 ]
Pradhan, Tapan Kumar [1 ]
Lin, Chun-Hung [2 ]
Mong, Kwok-Kong Tony [1 ]
机构
[1] NCTU, Dept Appl Chem, Hsinchu, Taiwan
[2] Acad Sinica, Inst Biol Chem, Taipei 115, Taiwan
关键词
glycosylation; immunology; lipids; natural products; total synthesis; STRUCTURAL ELUCIDATION; LIPOTEICHOIC ACID; TNF-ALPHA; PHOSPHOGLYCOLIPIDS; STRATEGY; THIOGLYCOSIDES; IL-1-BETA; LIBRARY; THERMUS; UNITS;
D O I
10.1002/asia.201300933
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The total synthesis of a glycoglycerolipid isolate of Meiothermus taiwanensis and its truncated structural analogues is reported. Our synthesis employed DMF-modulated and low-concentration glycosylation reactions for the construction of - and -glycosidic bonds in the absence of participating protecting groups. Further simplification of the synthesis was achieved by employing a low-concentration one-pot glycosylation procedure. Preliminary immunological studies showed that one of the truncated structural analogues suppressed the cytokine production of THP-1 monocytes.
引用
收藏
页码:3191 / 3199
页数:9
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