نتایج جستجو برای: thioglycoside
تعداد نتایج: 73 فیلتر نتایج به سال:
The rationale for the implementation of novel therapies should be based on hallmarks of cancer. Two novel compounds labelled as thioglycoside A and B were designed and evaluated on breast and colon cancer cell lines. We assessed their cytotoxic effect after sensitizing cancer cells with insulin. In order to explore the underlying mechanisms, we performed tests to assess cell migration and motil...
The present work describes efficient avenues for the synthesis of the trisaccharide repeating unit [α-D-Rhap-(1→3)-α-D-Rhap-(1→3)-α-D-Rhap] associated with the A-band polysaccharide of Pseudomonas aeruginosa. One of the key steps involved 6-O-deoxygenation of either partially or fully acylated 4,6-O-benzylidene-1-thiomannopyranoside by radical-mediated redox rearrangement in high yields and reg...
The beta-selectivity of mannosylation has been found to be dependent on the addition rate of the mannosyl trichloroacetimidate donor in an inverse-addition (I-A) procedure. This rate dependent I-A procedure can improve the selectivity of direct beta-mannosylation and is applicable to orthogonal glycosylations of thioglycoside acceptors. Further elaboration of this novel procedure enables the de...
The key steps in oligosaccharide synthesis are protectinggroup manipulation and stereoselective glycosylation. Various strategies have emerged to expedite glycosylation, and some of these strategies have been elaborated for automated solid-phase synthesis and one-pot cascade glycosylation. Most glycosylation strategies rely on traditional methods for stereochemical control over glycosidic-bond ...
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