Chloranilic Acid (CAA)
Determination of uranium in stones by stripping voltammetry following adsorptive accumulation of the U(VI) chloranilic acid complex
... 6-pyridinedicaboxylic acid [12], aluminon [13], pyromellitic acid [14], chloranilic acid [11,15-19] ...of chloranilic acid (CAA), at an optimum experimental ...
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Determination of uranium in stream water, beach sand and rocks by stripping voltammetry following adsorptive accumulation of the U(VI) chloranilic acid complex
... pyridinedicaboxylic acid [12], aluminon [13], pyromellitic acid [14], thioglycolic acid [15], chloranilic acid [11,16-20] ...of chloranilic acid (CAA), at an ...
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Crystal structures of two hydrogen bonded compounds of chloranilic acid–ethyleneurea (1/1) and chloranilic acid–hydantoin (1/2)
... Chloranilic acid, a dibasic acid with hydrogen-bond donor as well as acceptor groups, appears particularly attractive as a template for generating tightly bound self-assemblies with various organic ...
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A hydrogen bonded supramolecular complex between the chloranilic acid dianion (CA) and the 4 methylimidazole cation
... All reagents and solvents were used as obtained without further purification. Chloranilic acid (1 mmol, 0.21 g) and 4-methylimidazole (1 mmol, 0.081 g) were dissolved in an ammonia solution (10 ml, 30%), ...
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Influence of Solvent Polarity on the Physio Chemical Properties and Quantitative Determinations of Tenofovir Disoproxil and Emtricitabine with Chloranilic Acid as Complexing Agent
... with chloranilic acid suggest that if complexation were not complete, as evidenced by equilibrium constants, the original color due to chlora- nilic acid alone would still be present in the ...
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Crystal structures of three hydrogen bonded 1:2 compounds of chloranilic acid with 2 pyridone, 3 hydroxypyridine and 4 hyroxypyridine
... no acid–base interaction involving H-atom transfer is observed. The acid molecule lies on an inversion centre and the asymmetric unit consists of one half-molecule of chloranilic acid and one ...
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Spectrophotometric Determination of Lamivudine Using Chloranilic Acid and 2,3 Dichloro 5,6 dicyano 1,4 benzoquinone (DDQ)
... while chloranilic acid and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) acted as a -acceptor in a non-aqueous solvent in each ...case. Chloranilic acid was found to form a charge-transfer ...
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Crystal structures of two 1:2 dihydrate compounds of chloranilic acid with 2 carboxypyridine and 2 carboxyquinoline
... Chloranilic acid, a dibasic acid with hydrogen-bond donor as well as acceptor groups, appears particularly attractive as a template for generating tightly bound self-assemblies with various pyridine ...
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Physicochemical Studies of Fluorescent Dyes Doped in Polymer Sheet and Its Application in Solar Energy: Effect of Gamma Irradiation on Charge–Transfer Complex of 1,8-naphthalimide Derivative with Chloranilic Acid
... The study of structure stability of dyes and polymer matrices have been given a great deal of attention for many years, which leads to enhancing the prospects of sensors [1–4], energy storage [5,6], solar energy ...
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Redetermination of pyridine 4 carbonitrile–chloranilic acid (1/1) at 180 K
... The title compound, (I), was prepared in order to extend our study on D—H···A hydrogen bonding (D = N, O, or C; A = N, O or Cl) in amine–chloranilic acid systems (Gotoh, Asaji & Ishida, 2007; Gotoh, ...
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Piperidinium hydrogen chloranilate
... ving a proton transfer is observed between chloranilic acid and piperidine. Two hydrogen chloranilate ions related by an inversion center are connected by OÐH O hydrogen bonds and form a dimeric unit as ...
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One dimensional hydrogen bonded molecular tapes in 1,4 bis[(4 pyridinio)ethynyl]benzene chloranilate
... H O hydrogen bonds (Table 1), where both H atoms of chloranilic acid have transfered to the pyridine rings. In previous work (Zaman et al. 2000), we have shown that the ¯at molecular tapes form segregated ...
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Preparation, spectroscopic and thermal investigations on charge transfer complexes formed in the reaction of ribavirin drug and various acceptors
... interaction involves a protonation for the basic nitrogen of the CFX nitrogens. Accordingly, we may formulate the complex as [(HRV) + (PA) - ] , [(HRV) + (HCA) - ]. Due to the increased electron density on the picrate ...
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Bis(triethylammonium) chloranilate
... amine–chloranilic acid systems (Gotoh et ...amine–chloranilic acid systems, crystal structures of bis(hexamethylenetetraminium) chloranilate tetrahydrate (Yang, 2007), triethylammonium ...
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Sensitive Spectrofluorimetric Method for Determination of Fluoroquinolones through Charge Transfer Complex Formation
... (Lewis acid-base reaction) are generally associated with the formation of charge-transfer (CT) ...donors. Chloranilic acid is π electron acceptor and readily forms charge-transfer com- plexes with ...
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SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF RISPERIDONE IN PHARMACEUTICAL BULK AND DOSAGE FORMS
... with chloranilic acid to form a violet – coloured complex having absorption maximum at 500 ...of chloranilic acid, reaction time, diluting solvents were studied and ...
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Coronary Artery Aneurysm after Second Generation Drug Eluting Stent Implantation
... the CAA after first-generation DES was shorter than that of the CAA after second-generation DES, because our previous CAA registry of the first-generation DES was not ...
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DESIGN AND SYNTHESIS OF ￡/￢-HYBRID PEPTIDES: IDENTIFICATION OF NOVEL SECONDARY, SUPER SECONDARY AND TERTIARY STRUCTURES
... Thus, the above study resulted in the discovery of a new three residue turn motif in C-terminus ‘b-a-b’ sequence, with 7- and 13-membered H-bonded pseudo rings. Further, it is a serendipitous discovery to find the ...
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CAA Noise Reduction Study of Mesh Screens Applied to Landing Gears
... Computational Aero-Acoustics (CAA) can be grouped into two main broad approach. The first approach, is the direct CAA approach, which consists of solving the full compressible equations for the unsteady ...
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Intravenous injection of beta-amyloid seeds promotes cerebral amyloid angiopathy (CAA)
... Seeding and spread of beta-amyloid (A β ) pathologies have been considered to be based on prion-like mechanisms. However, limited transmissibility of A β seeding activity upon peripheral exposure would represent a key ...
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