نتایج جستجو برای: 7 functionalized 7 deazapurine ribonucleosides
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Certain C8-substituted and N7, C8-disubstituted guanine ribonucleosides comprise a class of small molecules with immunostimulatory activity. In a variety of animal models, these agents stimulate both humoral and cellular immune responses. The antiviral actions of these guanosine analogs have been attributed to their ability to induce type I IFNs. However, the molecular mechanisms by which the g...
3,3(')- Oxybis(dimethoxytrityl chloride) (O-DMTCl) was synthesized as a novel, acid-labile bifunctional protecting reagent. The reactions of O-DMTCl with base-protected ribonucleosides afforded unexpectedly 2('),5(')-cyclic protected ribonucleosides in addition to the expected 3('),5(')-cyclic protected ribonucleosides in good yields.
The diffraction features of Si(111) 7 × are analyzed using new X-ray data (top) and found to provide improved agreement for a particularC3vstructure (bottom) over earlier measurements their structural models.
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