Structure de deux dérivés hydantoïniques de la proline: La l-proline hydantoïne C6H8N2O2 et la d-allohydroxyproline hydantoïne C6H8N2O3
(1980) Societes Chimiques Belges. Bulletin — Vol. 89, n° 5, p. 379-384 (1980)
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- <jats:title>Abstract</jats:title><jats:p>The structure of L‐proline hydantoin(I) and D‐allohydroxyproline hydantoin(II) have been investigated using X‐ray diffractometer intensities. The conformation of proline ring is β<jats:sup>+</jats:sup> for (I) and γ<jats:sup>+</jats:sup> for (II). The deviations from planearity in the two hydantoins rings are not negligeable.</jats:p><jats:p>Crystal data are as follow (I) orthorhombic, <jats:italic>P</jats:italic>2<jats:sub>1</jats:sub>2<jats:sub>1</jats:sub>2<jats:sub>1</jats:sub>; <jats:italic>a</jats:italic> = 11.379(5), <jats:italic>b</jats:italic> = 8.009(3), <jats:italic>c</jats:italic> = 7.131(3) Å; <jats:italic>V</jats:italic> = 649.9 Å<jats:sup>3</jats:sup>; <jats:italic>Z</jats:italic> = 4; D<jats:sub>x</jats:sub> = 1.43 Mg m<jats:sup>–3</jats:sup>.</jats:p>
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Arte, E., Tinant, B., Declercq, J.-P., Germain, G., & Van Meerssche, M. (1980). Structure de deux dérivés hydantoïniques de la proline: La l-proline hydantoïne C6H8N2O2 et la d-allohydroxyproline hydantoïne C6H8N2O3. Societes Chimiques Belges. Bulletin, 89(5), 379-384. https://doi.org/10.1002/bscb.19800890508 (Original work published 1980)