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2-Aza­niumyl-4-(ethyl­carbamo­yl)butano­ate: the zwitterionic form of the amino acid theanine

In the title zwitterion, C(7)H(14)N(2)O(3), the ethyl­amino and the 5-oxo groups are positionally disordered with occupancy ratios of 0.50:0.50 and 0.70:0.30, respectively. The terminal ethyl –CH(3) group undergoes considerable thermal motion. In the crystal, mol­ecules are linked via N—H⋯O hydrogen...

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Autors principals: Kang, Shou-Kai, Chen, Yue-Hu, Qian, Shao-Song, Hu, Hao
Format: Artigo
Idioma:Inglês
Publicat: International Union of Crystallography 2010
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC3050375/
https://ncbi.nlm.nih.gov/pubmed/21522793
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1107/S1600536810050701
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