Crystal structure of ebastinium 3,5-dinitrobenzoate
نویسندگان
چکیده
Ebastine, 4-(benzhydr-yloxy)-1-[4-(4-tert-butyl-phen-yl)-4-oxobut-yl]piperidine, reacts with 3,5-di-nitro-benzoic acid in methanol solution to give the title 1:1 salt, ebastinium 3,5-di-nitro-benzoate, C32H40NO2+·C7H3N2O6-. In the cation, the disubstituted aryl ring exhibits orientational disorder over two sets of atomic sites having occupancies 0.706 (4) and 0.294 (6), with a dihedral angle of 41.2 (5)° between the two orientations: the bulky Ph2CH-O- substituent occupies an axial site on the piperidine ring. The two ions in the selected asymmetric unit are linked by a nearly linear N-H⋯O hydrogen bond and this, in combination with two C-H⋯O hydrogen bonds, links the ions into complex sheets.
منابع مشابه
4-(Furan-2-carbonyl)piperazin-1-ium 3,5-dinitrobenzoate
In the cation of the title salt, C9H13N2O2 (+)·C7H3N2O6 (-), the piperazine ring adopts a slightly distorted chair conformation. Twofold rotational disorder is exhibited by the furan ring in a 0.430 (4):0.570 (4) ratio. In the crystal, N-H⋯O hydrogen bonds link the ions into chains along [010]. Additional weak C-H⋯O inter-actions are observed, leading to a supra-molecular layer parallel to (011).
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عنوان ژورنال:
دوره 73 شماره
صفحات -
تاریخ انتشار 2017