1,1′-[(1,3-Dihydroxypropane-2,2-diyl)dimethylene]dipyridinium bis(hexafluorophosphate)
نویسندگان
چکیده
The title compound, C(15)H(20)N(2)O(2) (2+)·2PF(6) (-), was prepared by anion exchange of two bromide ions in the ionic liquid 2,2'-bis-(pyridinium-1-ylmeth-yl)-propane-1,3-diol dibromide with potassium hexa-fluoro-phosphate. The two pyridine rings are planar (r.m.s. deviations = 0.008 and 0.00440 Å) and make a dihedral angle of 44.0 (2)°. Intermolecular O-H⋯F and C-H⋯F interactions occur. The four F atoms in each anion were refined as disordered over two sets of sites with an occupancy ration of 0.700 (19):0.300 (19).
منابع مشابه
1,1′-(Hexane-1,6-diyl)dipyridinium bis(hexafluorophosphate)
The asymmetric unit of the title compound, C(16)H(22)N(2) (2+)·2PF(6) (-), contains one half-mol-ecule and a hexa-fluoro-phosphate anion. In the crystal structure, inter-molecular C-H⋯F hydrogen bonds link the mol-ecules. The F atoms in the hexa-fluoro-phosphate anion are disordered over two positions and were refined with occupancies of 0.43 (2) and 0.57 (2).
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The design of new organic-inorganic hybrid ionic materials is of interest for various applications, particularly in the areas of crystal engineering, supramolecular chemistry and materials science. The monohalogenated intermediates 1-(2-chloroethyl)pyridinium chloride, C5H5NCH2CH2Cl(+)·Cl(-), (I'), and 1-(2-bromoethyl)pyridinium bromide, C5H5NCH2CH2Br(+)·Br(-), (II'), and the ionic disubstitute...
متن کامل1,1’-(Ethane-1,2-diyl)dipyridinium bistribromide (EDPBT) as an organocatalyst for the silylation/desilylation reaction
1,1’-(Ethane-1,2-diyl)dipyridinium bistribromide (EDPBT) was used as a chemoselective and effective organocatalyst for the silylation of hydroxyl groups as well as desilylation of trimethylsilyl ethers under mild conditions at room temperature with good to excellent yields.
متن کامل1,1’-(Ethane-1,2-diyl)dipyridinium bistribromide (EDPBT) as an organocatalyst for the silylation/desilylation reaction
1,1’-(Ethane-1,2-diyl)dipyridinium bistribromide (EDPBT) was used as a chemoselective and effective organocatalyst for the silylation of hydroxyl groups as well as desilylation of trimethylsilyl ethers under mild conditions at room temperature with good to excellent yields.
متن کامل3,3′-Dimethyl-1,1′-[(1,3-dihydroxypropane-2,2-diyl)dimethylidene]diimidazolium bis(hexafluorophosphate)
The title compound, C(13)H(22)N(4)O(2) (2+)·2PF(6) (-), was prepared by the anion exchange of the dibromide ionic liquid with potassium hexa-fluoro-phosphate. The two imidazole rings are each planar (r.m.s. deviations = 0.0016 and 0.0060 Å) and make a dihedral angle of 45.3 (18)°. Intra-molecular O-H⋯F hydrogen bonds occur. Inter-molecular C-H⋯F, O-H⋯O and C-H⋯O hydrogen bonds stabilize the cry...
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عنوان ژورنال:
دوره 67 شماره
صفحات -
تاریخ انتشار 2011