227616-16-2Relevant academic research and scientific papers
N4-methylation changes the conformation of (3S,6S)-3-alkyl-6-benzylpiperazine-2,5-diones from folded to extended
Nakao, Michiyasu,Hiroyama, Yuta,Fukayama, Shintaro,Sano, Shigeki
, p. 37 - 44 (2016)
N4-methylation of (3S,6S)-3-alkyl-6-benzylpiperazine-2,5-diones (S,S)-1a-c was found to change their folded conformation to an extended conformation. Conformational aspects of N1- and/or N4-methylated (S,S)-1a-c were revealed by single crystal X-ray crystallography and 1H NMR spectroscopy.
