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).
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Schedule a callMore From: Acta crystallographica. Section C, Crystal structure communications
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