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Updated: Aug 10, 2026
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Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
Published on: April 27, 2017
Methyl 2,3,6-tri-O-benzoyl-4-deoxy-4-methoxyamino-alpha-D-glucopyranoside
O Renaudet1, P Dumy, C Philouze
1LEDSS, UMR CNRS 5616, Université Joseph Fourier, BP 53, 38041 Grenoble CEDEX 9, France.
Abstract:
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).
