Stereospecific ligands and their complexes. Part XIV. Crystal structure of the O,O′-dipropyl ester of N,N′-1,2-ethanediylbis- -L-leucine, dihydrochloride

Bidentate N,N'-ligand precursor, O,O'-dipropyl ester of (S,S)- ethylenediamine-N,N'-di-2-(4-methyl)-pentanoic acid dihydrochloride, [(S,S)- H4eddl]Cl2, was prepared and its crystal structure is given herein. It crystallizes in a P42 space group of tetragonal crystal system with a = 16.5620 (2) Å, b = 16.5620 (2) Å, c = 5.2240 (1) Å and Z = 2.The authors are grateful for the financial support to the Ministry of Education, Science and Technological Development of the Republic of Serbia (Project No. 172016).Peer reviewe

Synthesis, characterization and crystal structure of butyl N-(3-chloropropyl)-(2S)-alaninate hydrochloride

The synthesis of butyl N-(3-chloropropyl)-(2S)-alaninate hydrochloride is reported here. The compound was characterized by elemental analysis, infrared, and 1H- and 13C-NMR spectroscopy. The structure of butyl N-(3- chloropropyl)-(2S)-alaninate hydrochloride was confirmed by single-crystal X-ray analysis.The authors are grateful for the financial support to the Ministry of Education, Science and Technological Development of the Republic of Serbia (Projects No. 172016 and 172035).Peer Reviewe