The crystal structure of sodium pyruvate

Tavale, S. S.; Pant, L. M.

doi:10.1107/s0365110x61003715

Cited by 33 publications

(15 citation statements)

References 0 publications

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“…The plane through C(1), C(2), C(3) and O(1) makes an angle of 3.5 ° with that through C(2), C(3), 0(2) and 0(3). In sodium pyruvate the corresponding angle is 18.1 ° (Tavale, Pant & Biswas, 1961), showing that the molecule is twisted in the ionized state. The crystal is composed of hydrogen-bonded dimers arranged along the a axis as shown in Fig.…”

Section: Busing W R Martin K O and Levy H A (1962)mentioning

confidence: 99%

Pyruvic acid

Harata¹,

Sakabe²,

Tanaka³

1977

Acta Crystallogr Sect B

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Section: Busing W R Martin K O and Levy H A (1962)mentioning

confidence: 99%

Pyruvic acid

Harata¹,

Sakabe²,

Tanaka³

1977

Acta Crystallogr Sect B

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“…The sodium cation interacts with both the α-C=O and COO − groups. 20 For the Ln compounds the assignments are essentially identical, with bands centered at 1560 cm -1 (ketonic carbonyl stretching) and 1629-1647 cm -1…”

Section: Resultsmentioning

confidence: 91%

Synthesis, characterization and thermal behaviour of solid 2-methoxycinnamylidenepyruvate of light trivalent lanthanides

Carvalho¹,

Siqueira²,

Treu-Filho³

et al. 2009

J. Braz. Chem. Soc.

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Compostos Ln-2-MeO-CP no estado sólido, em que o símbolo Ln representa lantanídeos trivalentes (La, Ce, Pr, Nd, Sm, Eu, Gd) e 2-MeO-CP é 2-metoxicinamalpiruvato, foram sintetizados neste trabalho. As técnicas de termogravimetria e análise térmica diferencial simultâneas (TG-DTA), calorimetria exploratória diferencial (DSC), difratometria de raios X, espectroscopia de absorção no infravermelho (espectros experimental e teórico) e complexometria foram usadas para caracterizar e estudar o comportamento térmico destes compostos. Os resultados informam sobre a composição e a estabilidade dos complexos isolados.Solid state Ln-2-MeO-CP compounds, where Ln stands for light trivalent lanthanides (La, Ce, Pr, Nd, Sm, Eu, Gd) and 2-MeO-CP is 2-methoxycinnamylidenepyruvate, were synthesized in this work. Simultaneous thermogravimetry and differential thermal analysis (TG-DTA), differential scanning calorimetry (DSC), X-ray powder diffractometry, experimental and theoretical infrared spectroscopy and complexometry were used to characterize and to study the thermal behaviour of these compounds. The results led to information regarding the composition and stability of the isolated complexes.

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“…The angle between the normals to the planes formed by C(1), C(2), C(3), O(1) and C(2), C(3), O(31), 0(32) is 4.4 in A and 7.3 ° in B, which compares with the 3.5 ° in pyruvic acid (Harata, Sakabe & Tanaka, 1977). This angle is 18.1 ° in Na pyruvate (Tavale, Pant & Biswas, 1961), the maximum observed in pyruvate structures studied so far. This angle is an indication of the flexibility for rotation about the central C(2)-C(3) bond, i.e.…”

Section: The Enolpyruvate Geometrymentioning

confidence: 85%