Mekki S, Rolland V, van Lee A, Rolland M. threo-Diethyl 2-ethyl-2-hy-droxy-3-(4-methyl-benzene-sulfonamido)-succinate.
Acta Crystallogr Sect E Struct Rep Online 2011;
67:o2181-2. [PMID:
22247718 PMCID:
PMC3257162 DOI:
10.1107/s1600536811029527]
[Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2011] [Accepted: 07/21/2011] [Indexed: 11/10/2022]
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 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 ethyl group in the γ-ester function that is disordered over two sets of sites with occupancies of 0.58:0.42.
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