In the title salt {systematic name: 4-diphenyl-methyl-1-[(E)-3-phenyl-prop-2-en-1-yl]piperazin-1-ium (2Z)-3-carb-oxy-prop-2-enoate}, C26H29N2(+)·C4H3O4(-), the piperazine ring in the cation adopts a distorted chair conformation and contains a positively charged N atom with quaternary character. The dihedral angle between the mean planes of the phenyl rings of the diphenyl-methyl group is 74.2 (7)° and those between these rings and the phenyl ring of the 3-phenyl-prop-2-en-1-yl group are 12.7 (9) and 80.6 (8)°. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds form chains along [001]. Weak C-H⋯O inter-actions connect parallel chains along [010], forming layers perpendicular to the a-axis direction.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3588249 | PMC |
| http://dx.doi.org/10.1107/S1600536812051239 | DOI Listing |
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Acta Crystallogr Sect E Struct Rep Online
January 2013
Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysore 570 006, India.
In the title salt {systematic name: 4-diphenyl-methyl-1-[(E)-3-phenyl-prop-2-en-1-yl]piperazin-1-ium (2Z)-3-carb-oxy-prop-2-enoate}, C26H29N2(+)·C4H3O4(-), the piperazine ring in the cation adopts a distorted chair conformation and contains a positively charged N atom with quaternary character. The dihedral angle between the mean planes of the phenyl rings of the diphenyl-methyl group is 74.2 (7)° and those between these rings and the phenyl ring of the 3-phenyl-prop-2-en-1-yl group are 12.
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