5-Methyl<scp>L</scp>-glutamate

Wu, Yongfei; Li, Fenfang; Jin, Lei

doi:10.1107/s1600536805032952

Cited by 4 publications

(2 citation statements)

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“…We have recently reported the structures of active esters and other related ligands containing salicylic groups and an amino acid residue (Jin et al, 2004;Jin & Xiao, 2005;Wu et al, 2005). In our studies, it is important to find new methods of synthesizing these compounds and to study their structures and activities.…”

Section: Commentmentioning

confidence: 99%

Ethyl 9-hydroxyfluorene-9-carboxylate: chains of centrosymmetric rings built from O—H...O and C—H...π(arene) hydrogen bonds

et al. 2006

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Section: Commentmentioning

confidence: 99%

Ethyl 9-hydroxyfluorene-9-carboxylate: chains of centrosymmetric rings built from O—H...O and C—H...π(arene) hydrogen bonds

et al. 2006

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“…as anti-oxidants, bactericides, food additives and cosmetics (Wang & Li, 1995); furthermore, these esters are useful ligands. As part of an ongoing study (Wu et al, 2005), we report here the crystal structure of the title compound, (I).…”

Section: Commentmentioning

confidence: 99%

5-EthylL-glutamate

Wu¹,

Xiao²,

Jin³

et al. 2005

Acta Cryst E

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In the title compound, C7H13NO4, there are two independent molecules in the asymmetric unit. All bond lengths and angles in the molecules are in normal ranges. The ψ1 and ψ2 torsion angles are 159.9 (4) and −23.4 (5)°, respectively, in the first molecule, and the ψ3 and ψ4 torsion angles 157.7 (4) and −26.7 (5)°, respectively, in the second. Each of the independent molecules has a different comformation. The translationally and screw‐related molecules are connected by N—H⋯O hydrogen bonds, forming a two‐dimensional network parallel to the ac plane.

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Crystal structures of amino acids: from bond lengths in glycine to metal complexes and high-pressure polymorphs

Görbitz

2015

Crystallography Reviews

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After the discovery of X-ray diffraction by crystals, amino acids were among the first organic compounds to have their solid-state structures investigated. The Cambridge Structural Database now contains more than 3500 entries for α-amino acids alone. After a short introduction dealing with the early history of X-ray structure determination, this review provides a classification of amino acid structures, describes essential structural elements, especially hydrogen bonding preferences and coordination to metal ions, and considers recent investigations on phase transitions as the result of extreme temperatures or pressure.

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5-MethylL-glutamate

Abstract: Key indicatorsSingle-crystal X-ray study T = 292 K Mean (C-C) = 0.004 Å R factor = 0.051 wR factor = 0.160 Data-to-parameter ratio = 9.3 For details of how these key indicators were automatically derived from the article, see

Cited by 4 publications

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Ethyl 9-hydroxyfluorene-9-carboxylate: chains of centrosymmetric rings built from O—H...O and C—H...π(arene) hydrogen bonds

Ethyl 9-hydroxyfluorene-9-carboxylate: chains of centrosymmetric rings built from O—H...O and C—H...π(arene) hydrogen bonds

5-EthylL-glutamate

Crystal structures of amino acids: from bond lengths in glycine to metal complexes and high-pressure polymorphs

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