title: Conformation of 1,4-dineopentyl-2,5-cis-diphenylpiperazine and its diammonium salts: remarkable change in conformation depending upon the counter anion.
abstract: The free base of 1,4-dineopentyl-2,5-diphenylpiperazine takes a chair conformation in CDCl3, while the conformation of its diammonium salts changes depending upon the counter anion.
authors.affiliation: Institute for Chemical Research, Kyoto University, Uji, Japan.
authors.forename: K
authors.initials: K
authors.lastname: Takasu
authors.forename: K
authors.initials: K
authors.lastname: Tanaka
authors.forename: K
authors.initials: K
authors.lastname: Fuji
mesh_terms: D007536:Isomerism; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D008968:Molecular Conformation; D010879:Piperazines / Q000737:chemistry*; D000644:Quaternary Ammonium Compounds / Q000737:chemistry*
chemical_list: C436757:1,4-dineopentyl-2,5-diphenylpiperazine; D010879:Piperazines; D000644:Quaternary Ammonium Compounds