156769-28-7Relevant articles and documents
Synthesis of L-altrose and some derivatives
Lunau, Nathalie,Meier, Chris
, p. 6260 - 6270 (2013/01/15)
A convenient approach to the chemical synthesis of L-altrose (1) and its 6-deoxy derivative 2 has been developed by starting from D-galactose (9) and D-fucose (10), respectively. The 5-epimerization by a Mitsunobu inversion of the open-chain D-hexoses was the key step for these routes. Furthermore, the conversion of 2 into peracetylated TDP-6-deoxy-α-L-altrose (3a) was achieved by the cycloSal approach. However, the final deacetylation led to an unexpected side-reaction resulting in the previously unknown 6-deoxy-α-L-altropyranose 1,3-cyclophosphate (4).
Mirror-Image Carbohydrates: Synthesis of the Unnatural Enantiomer of a Blood Group Trisaccharide
Boulineau, Fabien P.,Wei, Alexander
, p. 3391 - 3399 (2007/10/03)
Methyl D-glucoside and D-glucose pentaacetate are transformed, respectively, into methyl α-O-glucuronide 3 and hydroxymethyl β-C-glucuronide 9, which undergo decarboxylative elimination efficiently to produce 4-deoxypentenoside 4 and L-glucal 10. These unsaturated pyranosides provide an expeditious entry into mirror-image oligosaccharides, as demonstrated in the synthesis of the unnatural enantiomer of the H-type II blood group determinant trisaccharide (D-Fuc-(α1-2)-L-Gal-(β 1-4)-L-GlcNAc-β-OMe). This work illustrates that D-glucose, a common starting material in the synthesis of naturally occurring carbohydrates, can also be used to prepare their mirror-image analogues.
Synthesis and inhibition studies of C-(D-glycopyranosyl)methylamines
Lai, Wen,Martin, Olivier R.
, p. 185 - 194 (2007/10/02)
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