In a previous paper [1] we reported the synthesis of trehalose esters of corynomycolic acid, the simplest of the mycolic acids, for studies of trehalose:mycoloyl transferase [2]. We have also reported [3] the synthesis of the gluco-galacto analogue of trehalose for the same purpose. Trehalosamines h
ChemInform Abstract: Synthesis of Methyl α-D-Glucopyranosyl-(1→4)-α-D-galactopyranoside and Methyl α-D-xylo-Hex-4-ulopyranosyl- (1→4)-α-D-galactopyranoside.
✍ Scribed by Louis J. Liotta; Rita D. Capotosto; Rachel A. Garbitt; Brian M. Horan; Pamela J. Kelly; Andrew P. Koleros; Lisa M. Brouillette; Amy M. Kuhn; Sonia Targontsidis
- Publisher
- John Wiley and Sons
- Year
- 2010
- Weight
- 37 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0931-7597
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The crystal and molecular structure of methyl a-n-galactopyranoside C(sodium sulphate) dihydrate has been determined by X-ray analysis at -173". The sugar ring has a distorted 'C, chair conformation. The conformation of the CH,OH group is gauche-trans and the bridging S-O bond is eclipsed with the C
Ally1 4-0-(4-O-acetyl-2-O-benzoyl-3,6-di-O-benzyl-~-D-galactopyranosyl)-2-0-benzoyl-3,6-di-O-benzyl-a-D-galactopyranoside was 0-deallylated to give the 1-hydroxy derivative, and this was converted into the corresponding l-O-(Nphenylcarbamoyl) derivative, treatment of which with dry HCl produced the
As part of a programme involving X-ray crystallographic studies" of cis-and tpuns-fused hexopyranosides, we now report on the crystal structures of methyl 2-~-methyl-~-D-glucop~anoside\* (11, which was obtained by debe~lidenation of methyl 4,~-O-benzyIidene-2-O-methyI-3-O-~-tolylsulfonyl-~-~-glucopy