Methyl 2,3,6-tri-O-benzoyl-4-deoxy-4-methoxyamino-alpha-D-glucopyranoside.
The crystalline-state conformation of the title compound, C(29)H(29)NO(9), has been established unequivocally. The R absolute configuration is observed at the 4-methoxyamino moiety and the pyranose ring adopts essentially a perfect (4)C(1) chair. The torsion angle of the exocyclic hydroxymethyl group is shown to be gauche--gauche with respect to O1 and C4, respectively. The conformation along the methoxyamino bond is consistent with that observed for calicheamicin gamma(1)(I).
Renaudet
O
O
LEDSS, UMR CNRS 5616, Université Joseph Fourier, BP 53, 38041 Grenoble CEDEX 9, France.
Dumy
P
P
Philouze
C
C
D018360:Crystallography, X-Ray; D006863:Hydrogen-Ion Concentration; D008958:Models, Molecular; D008968:Molecular Conformation; D009005:Monosaccharides / Q000737:chemistry*
D009005:Monosaccharides; C428928:methyl 2,3,6-tri-O-benzoyl-4-deoxy-4-methoxyamino-glucopyranoside