4-(4-Nitrobenzyl)pyridinium 3-carboxy-4-hydroxybenzenesulfonate [PDF]
, 2013 In the title salt, C12H11N2O2+·C7H5O6S−, the dihedral angle between the benzene and pyridine rings in the 4-(4-nitrobenzyl)pyridinium cation is 82.7 (2)°.
Urs D. Wermuth +3 more
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Exploratory Investigations Probing a Preparatively Versatile, Pyridinium Salt Photoelectrocyclization−Solvolytic Aziridine Ring Opening Sequence [PDF]
, 2016 A novel pyridinium salt photoelectrocyclization−nucleophilic bicyclic aziridine ring opening reaction sequence has been investigated in order to determine its preparative potential.
Rong Ling (3037014) +2 more
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2-[(E)-2-(4-Methoxyphenyl)ethenyl]-1-methylpyridinium iodide
Acta Crystallographica Section E, 2013 In the title molecular salt, C16H10NO+·I−, the dihedral angle between the pyridinium and benzene rings is 6.61 (8)°. In the crystal, the cation is linked to the anion by a C—H...I interaction arising from the activated ...
Jiban Podder +4 more
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Weak hydrogen and halogen bonding in 4-[(2,2-difluoroethoxy)methyl]pyridinium iodide and 4-[(3-chloro-2,2,3,3-tetrafluoropropoxy)methyl]pyridinium iodide [PDF]
, 2017 To enable a comparison between a C—H...X hydrogen bond and a halogen bond, the structures of two fluorous-substituted pyridinium iodide salts have been determined.
Hsing-Fang Chiang +5 more
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Crystal structure of 2-(azaniumylmethyl)pyridinium bis(hydrogen squarate)
Acta Crystallographica Section E: Crystallographic Communications, 2017 The asymmetric unit of the title compound, C6H10N22+·2C4HO4−, comprises two hydrogen squarate (Hsq−; systematic name: 2-hydroxy-3,4-dioxocyclobutanolate) anions and a 2-(azaniumylmethyl)pyridinium dication.
Nina Salamzadeh +3 more
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Photocyclization Mechanism of Halopyridinium Salt Tethered to Arene: Flash Photolysis Observation of a Pyridinium σ, Cyclohexadienyl Radicals, and a Dihalide Radical Anion in Aqueous Solution [PDF]
, 2016 The photocyclization reactions of 2-halopyridinium salt tethered to arene have been studied. The photocyclization of 2-halophenethylpyridinium salts produced a six-membered heterocyclic product, pyrido[2,1-a]-3H,4H-isoquinolinium salt.
Yong-Tae Park (2489209) +4 more
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Beilstein Journal of Organic Chemistry, 2017 The glycosylation of O-glycosyl trichloroacetimidate donors using a synergistic catalytic system of electron-deficient pyridinium salts/aryl thiourea derivatives at room temperature is demonstrated. The acidity of the adduct formed by the 1,2-addition of
Mukta Shaw +3 more
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Molecules, 2011 In the course of studies on hybrid antibacterials incorporating 2-aryl-5-nitro-1H-indole moieties as potential bacterial NorA efflux pump inhibitors, the compound 1-[2-(5-nitro-1H-indol-2-yl)phenyl]methylpyridinium chloride (2) was synthesized and ...
John B. Bremner +3 more
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Synthesis, Photophysical Properties and Aggregates of a New Pyridinium Dye [PDF]
, 2011 A new pyridinium dye, 2-{2-[9-ethyl-carbazole-3-yl]vinyl}-N-(3-sulfooxypropyl) pyridinium inner salt, has been synthesized. The photophysical properties of the dye in DMF were investigated. The dye exhibits strong orange fluorescence with quantum yield Φ
Zhi Qiang Liu +3 more
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4-(Dimethylamino)pyridinium tetrachlorido(quinoline-2-carboxylato-κ2N,O)stannate(IV)
Acta Crystallographica Section E, 2011 In the title salt, (C7H11N2)[SnCl4(C10H6NO2)], the SnIV atom is chelated by the N,O-bidentate carboxylate ions and four chloride ions, showing a distorted octahedral SnNOCl4 coordination.
Ezzatollah Najafi +2 more
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