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Threo-Diethyl 2-ethyl-2-hy-droxy-3-(4-methyl-benzene-sulfonamido)-succinate.

ABSTRACT: The asymmetric unit of the title compound, C(17)H(25)NO(7)S, contains two independent mol-ecules, which are enanti-omers forming a hydrogen-bonded dimer associated with two R(2) (2)(7) patterns. In each mol-ecule, one ethyl group from the two available ethyl ester functional groups is disordered. In one mol-ecule, the ethyl group of the ester function from an ?-carb-oxy-lic acid is positionally disordered over two sets of sites with occupancies of 0.66:0.34. In the second mol-ecule, it is the ethyl group in the ?-ester function that is disordered over two sets of sites with occupancies of 0.58:0.42.

SUBMITTER: Mekki S 

PROVIDER: S-EPMC3257162 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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threo-Diethyl 2-ethyl-2-hy-droxy-3-(4-methyl-benzene-sulfonamido)-succinate.

Mekki Sofiane S   Rolland Valérie V   van Lee Arie A   Rolland Marc M  

Acta crystallographica. Section E, Structure reports online 20110730 Pt 8

The asymmetric unit of the title compound, C(17)H(25)NO(7)S, contains two independent mol-ecules, which are enanti-omers forming a hydrogen-bonded dimer associated with two R(2) (2)(7) patterns. In each mol-ecule, one ethyl group from the two available ethyl ester functional groups is disordered. In one mol-ecule, the ethyl group of the ester function from an α-carb-oxy-lic acid is positionally disordered over two sets of sites with occupancies of 0.66:0.34. In the second mol-ecule, it is the et  ...[more]

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