Cocrystallization of Chiral N7,N16-bis (S-1-Phenylethyl)-1,4,10,13-Tetraoxo-7,16-Diazacyclooctadecane-7,16-Dicarboxamide with Hydrochlorides of Methyl Ethers of Leucine and Valine Enantiomers
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FONARI, Marina; PLUZHNIK-GLADYR, Serghei; KAMALOV, Gerbert; KRAVTSOV, Victor. Cocrystallization of Chiral N7,N16-bis (S-1-Phenylethyl)-1,4,10,13-Tetraoxo-7,16-Diazacyclooctadecane-7,16-Dicarboxamide with Hydrochlorides of Methyl Ethers of Leucine and Valine Enantiomers. In: Journal of Structural Chemistry. 2019, nr. 1(60), pp. 143-150. ISSN 0022-4766.
10.1134/S0022476619010207
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Journal of Structural Chemistry
Numărul 1(60) / 2019 / ISSN 0022-4766

Cocrystallization of Chiral N7,N16-bis (S-1-Phenylethyl)-1,4,10,13-Tetraoxo-7,16-Diazacyclooctadecane-7,16-Dicarboxamide with Hydrochlorides of Methyl Ethers of Leucine and Valine Enantiomers


DOI: 10.1134/S0022476619010207
Pag. 143-150

Fonari Marina1, Pluzhnik-Gladyr Serghei2, Kamalov Gerbert2, Kravtsov Victor1
 
1 Institute of Applied Physics,
2 A.V. Bogatsky Physico-Chemical Institute of the NAS of Ukraine
 
Disponibil în IBN: 2 mai 2019


Rezumat

An attempt to co-crystallize N7,N16-bis(S-1-phenylethyl)-1,4,10,13-tetraoxo-7,16-diazacyclooctadecane-7,16-dicarboxamide (1) with hydrochlorides of methyl ethers (HCMEs) of L- and D-valine and also L- and D-leucine results in separate crystallization of diazacrown-ether 1 (or its monohydrate 1·H 2 O) and HCMEs of respective α-amino acids. Crystal structures of D-leucine 1·H 2 O (1) and HCME (2) compounds, which were not described previously, are solved by single crystal X-ray diffraction.

Cuvinte-cheie
amino acid, co-crystallization, conformation, crown-ether, crystal structure, enantiomer, hydrogen bond