نتایج جستجو برای: imidate
تعداد نتایج: 73 فیلتر نتایج به سال:
When whole steer kidney nuclei were treated with dimethyl-3,3'-dithiobisproprionimidate, N,N'-bis(2-carboxyimidomethyl) tartaramide dimethyl ester, or 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide under approximately physiological ionic conditions, H1 histone was cross-linked to each of the four histones in the nucleosome core. The carbodiimide reagent, which introduces no atoms between the am...
Here, we report our second-generation synthesis of 12 artificial glutamate analogs, starting from heterotricycle intermediates 3a-3d, readily prepared in three steps including tandem Ugi/Diels-Alder reactions. The new synthesis employs imidate intermediates for the deoxygenation of pyrrolidones (10a-10d to 6a-6d), and each advanced intermediate 6a-6d was diversified into three glutamate analogs...
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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