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Chemical synthesis donors

The formation of C-C bonds by aldol condensation is a very useful method in synthesis. Besides the chemical synthesis, aldolases can be used to perform this reaction. The reaction yields a stereoselective condensation of an aldehyde with a ketone donor. [Pg.502]

Several independent methods of synthesis are discussed for selected donors, acceptors, and compound classes. For someone unfamiliar with chemical synthesis, it might seem curious that more than one synthetic... [Pg.116]

Srivastava G, Hindsgaul O, Palcic MM. Chemical synthesis and kinetic characterization of UDP-2-deoxy-D-lyxo-hexose(UDP-2-deoxy-D-galactose), a donor-substrate for f -(l—>4)-D-galacto-syltransferase. Carbohydr. Res. 1993 245 137-144. 86. [Pg.420]

In transferase-catalyzed reactions, the activated neuraminic acid serves as precursor for the introduction of the terminal NeuSAc residue into various oligosaccharides. This approach is particularly attractive because the chemical synthesis with NeuSAc glycosyl donors has two drawbacks the low yielding glycosylation reaction and the formation of anomeric mixtures. [Pg.31]

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Donor synthesis

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