Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

organic compounds

Acta Cryst. (2013). E69, o516-o517    [ doi:10.1107/S1600536813005254 ]

Bis{(R)-1-(3-amino­sulfonyl-4-meth­oxy­phen­yl)-N-[2-(2-eth­oxy­phen­oxy)eth­yl]propan-2-aminium} adipate tetra­hydrate

Z. Ham, A. Meden and M. Kasunic

Abstract: The title compound, 2C20H29N2O5S+·C6H8O42-·4H2O, which was found to be optically active, is a relatively rare example of a chiral compound crystallizing in the triclinic crystal system. The dihedral angles between the phenyl rings of the cations are 60.03 (15) and 62.03 (16)°, while the C atoms of the anion are almost coplanar (r.m.s. deviation 0.085 Å) and all trans to each other. In the crystal, the components are connected by an extensive network of N-H...O and O-H...O hydrogen bonds. The sulfonamide groups link the cations into pairs via two N-H...O hydrogen bonds about the pseudo-inversion centre, leading to the formation of R22(8) rings. The anions are stacked in between four cationic pairs. Pairs of water mol­ecules bridge the larger building units, forming hydrogen bonds with the remaining two O atoms of the anion.

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