METHYL 6-O-[(R)-1-CARBOXYETHYL]-ALPHA-D-GALACTOPYRANOSIDE

Citation
L. Eriksson et al., METHYL 6-O-[(R)-1-CARBOXYETHYL]-ALPHA-D-GALACTOPYRANOSIDE, Acta crystallographica. Section C, Crystal structure communications, 52, 1996, pp. 2285-2287
Citations number
15
Categorie Soggetti
Crystallography
ISSN journal
01082701
Volume
52
Year of publication
1996
Part
9
Pages
2285 - 2287
Database
ISI
SICI code
0108-2701(1996)52:<2285:M6>2.0.ZU;2-L
Abstract
The structure of the O-methyl glycoside of the naturally occurring 6-O -[(R)-1-carboxyethyl]-alpha-D-galactopyranose, C10H18O8, has been dete rmined. The absolute configuration was considered as R at the 1-carbox yethyl moiety which had previously been assigned by synthesis. This ab solute configuration is consistent both with the determined Flack para meter [0.04(43)] and the previously known configuration of D-galactose . The conformation of the torsion angle omega, O5-C5-C6-O6, is shown t o be gauche-trans.