Selective reagents for solvent extraction of metals—II. Bis-quinaldic acids

Elman, Björn; Högberg, A.G.Sverker; Weber, Michael; Muhammed, Mamoun

doi:10.1016/s0277-5387(00)84105-4

Cited by 8 publications

(2 citation statements)

References 16 publications

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“…For background to and the biological activity of quinoline derivatives, see: Morimoto et al (1991); Michael (1997); Markees et al (1970); Campbell et al (1988); Zhou et al (1989); Elman et al (1985); Loh et al (2010a,b); Sasaki et al (1998); Reux et al (2009). For hydrogen-bond motifs, see: Bernstein et al (1995).…”

Section: Related Literaturementioning

confidence: 99%

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4-Methoxyquinolinium-2-carboxylate dihydrate

Hemamalini

Fun

2011

Acta Cryst E

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The title hydrated quinoline derivative, C11H9NO3·2H2O, crystallizes as a zwitterion in which the quinoline N atom is protonated. The quinoline ring is essentially planar, with a maximum deviation of 0.017 (2) Å. An intramolecular N—H⋯O hydrogen bond between the protonated N atom and the O atom of the carboxylate group in the zwitterion forms an S(5) ring motif. In the crystal, the zwitterions are connected into inversion dimers via pairs of N—H⋯O and C—H⋯O hydrogen bonds with R 2 2(4) and R 1 2(6) motifs. The water molecules are connected via O—H⋯O hydrogen bonds, forming supramolecular chains along the c axis. Furthermore, the chains and the dimers are connected via O—H⋯O hydrogen bonds, forming ladder-like supramolecular ribbons along the c axis.

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Section: Related Literaturementioning

confidence: 99%

“…Quinoline-2-carboxylic acid (quinaldic acid) and tryptophan metabolite (Zhou et al, 1989) are well-known chelating ligands (Elman et al, 1985). Recently, hydrogen-bonding patterns involving quinoline and its derivatives with organic acid have been investigated (Loh et al, 2010a,b).…”

Section: S1 Commentmentioning

confidence: 99%