Application of 14215-68-0, An article , which mentions 14215-68-0, molecular formula is C8H15NO6. The compound – N-((2S,3R,4R,5R,6R)-2,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide played an important role in people’s production and life.
beta-D-Galactosidase from Bacillus circulans catalyzed the transfer of galactose from lactose predominantly to the OH-4 position of, respectively, GlcNAc and GalNAc to afford beta-D-Gal-(1 ? 4)-D-GlcNAc and beta-D-Gal-(1 ? 4)-D-GalNAc. Thus, preponderant formation of (1 ? 4)-linkages occurs and (1 ? 6)-linkages are formed to a lesser extent, but no (1 ? 3)-or (1 ? 1)-linkages are formed. When 3-acetamido-3-deoxy-D-glucose (Glc3NAc, N-acetylkanosamine) was used as an acceptor, the enzyme catalyzed the beta-D-galactosyl transfer to, respectively, the beta-anomeric position (OH-1) and OH-6 of this sugar to afford beta,beta-D-Gal-(1 ? 1)-D-Glc3NAc and beta-D-Gal-(1 ? 6)-D-Glc3NAc. In contrast, with methyl beta-D-glucoside and methyl beta-D-galactoside as acceptors, the enzyme induced the formation of (1 ? 3)-linked disaccharide glycoside other than (1 ? 4)-and (1 ? 6)-linked ones. This demonstrates that the regioselectivity of beta-D-galactosyl transfer onto GlcNAc, GalNAc, and Glc3NAc acceptors as catalyzed by the enzyme is strongly determined by the presence of the N-acetyl group.
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Tetrahydropyran – Wikipedia,
Tetrahydropyran – an overview | ScienceDirect Topics