Levit, Galina L. Krasnov, Victor P. Gruzdev, Dmitriy A. Demin, Alexander M. Bazhov, Iliya V. Sadretdinova, Liliya Sh. Olshevskaya, Valentina A. Kalinin, Valery N. Cheong, Chan Seong Chupakhin, Oleg N. Charushin, Valery N. 2024-01-21T00:04:41Z 2024-01-21T00:04:41Z 2021-08-31 2007-12 0010-0765 https://pubs.kist.re.kr/handle/201004/133960 The N-[(3-amino-1,2-dicarba-closo-dodecaboran-1-yl) acetyl] derivatives of alpha-amino acids were prepared starting from N-protected (Ac, Form, Bz, and Boc) 3-amino-1-(carboxymethyl)-o- carboranes and alkyl esters of natural alpha-amino acids using the carbodiimide method of coupling and removing the ester groups. All the amides obtained were diastereoisomeric mixtures. Some diastereoisomers were separated and the assignment of the absolute configuration of aminocarborane fragments was performed by X-ray crystallography. English INST ORGANIC CHEM AND BIOCHEM CHEMISTRY Synthesis of N-[(3-amino-1,2-dicarba-closo-dodecaboran-1-Yl)-acetyl] derivatives of alpha-amino acids Article 10.1135/cccc20071697 1 COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS, v.72, no.12, pp.1697 - 1706 COLLECTION OF CZECHOSLOVAK CHEMICAL COMMUNICATIONS 72 12 1697 1706 scie scopus 000252670100008 2-s2.0-40749148398 Chemistry, Multidisciplinary Chemistry Article CHEMISTRY amides N,N &apos -dicyclohexylcarbodiimide amino acids carboranes diastereo-isomeric resolution HPLC NMR spectroscopy X-ray crystallography