7-(2-Ethyltiophenyl) Theophylline
7 (2 Ethyltiophenyl) Theophylline as Copper Corrosion Inhibitor in 1M HNO3
... and 7-(2-ethyltiophenyl) theophylline concentration ...of 7-(2-ethyltiophenyl) theophylline on the metal surface which obeys Langmuir isotherm ...
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Synthesis, Brain Antihypoxic Activity and Cell Neuroprotection of Ester Derivatives of 7 Theophylline acetic acid
... from theophylline acetic acid at position 7 appears at ...position 2 and 4 in imidazole ring of compound 3b (2-(2-methyl-5-nitro-1H- 1-imidazolyl)-ethyl ...
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Synthesis, Stability and Computational Study of some Ester Derivatives of Theophylline 7 acetic Acid with Antiproliferative Activity
... shifts were expressed as values in ppm against TMS as an internal standard; the coupling constants were expressed in Hertz (Hz); standard abbreviations are used. The completion of reactions was monitored through TLC, ...
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Effect of 7 (β hydroxyethyl) theophylline and 8 phenyl theophylline on the acquisition and retention on the space memory of mice
... Neurodegenerative diseases have an increasing prevalence in the population over 65 years of age. In this context, adenosine antagonists have a neuromodulatory role mainly in the hippocampus region, contributing to the ...
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Effect of Theophylline as Adjunct to Inhaled Corticosteroids on Exacerbations in Patients With COPD: A Randomized Clinical Trial
... and 2 or more exacerbations treated with an- tibiotics, oral corticosteroids, or both in the previous ...plasma theophylline concentra- tion to greater than 1 to 5 ...
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Nanosized rods agglomerates as a new approach for formulation of a dry powder inhaler
... and theophylline powder (4 mg ) each, suspended in phosphate-buffered saline (1 mL, pH ...and theophylline powder were withdrawn at specified intervals over eight ...
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Proton transfer and hydrogen bonding in the organic solid state: A combined XRD/XPS/ssNMR study of 17 organic acid-base complexes
... API 2, 3, and ...the theophylline and isonicotin- amide salts exhibit Dd of 50 to 70 ppm while the di-salt API 1s shows larger magnitude shifts of around 110 ...(Fig. 7, Tables ...
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Development and in vitro Evaluation of Theophylline Loaded Matrix Tablets Prepared with Direct Compression
... study theophylline loaded matrix tablets were successfully prepared by direct compression technique, using HPMC (E-50) and Compritol ATO ...Test 2 cri- teria XXIII for theophylline extended release ...
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Doxofylline is not just another theophylline!
... from theophylline in containing the dioxalane group at position 7, has comparable efficacy to theophylline in the treatment of respiratory diseases, but with an improved tolerability profile and a ...
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Acidic beverage and the bioavailability of theophylline
... of theophylline was investigated in healthy ...model, theophylline suspension (100mg/kg) was administered orally via intragastric ...of 7 days, Pepsi (10ml/kg) was administered concomitantly with ...
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Ethyl 2 (2 formylphenoxy)ethanoate–ethyl 2 (2 carboxyphenoxy)ethanoate [0 682 (7)/0 318 (7)]
... A dry two-necked flask was charged with NaH (0.360 g, 15 mmol), which had been washed with dry petrol (3 1 ml). Dry dimethyl- formamide (40 ml) was added and the suspension cooled to 273 K. Salicylaldehyde (1.220 g, 1.06 ...
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The 7 azanorbornane nucleus of epibatidine: 7 azabicyclo[2 2 1]heptan 7 ium chloride
... of 2. The distances (A ˚ ) in 1 and 2 are: C1—C2 = 1.528 (2) and ...in 2. The s.u. values for 2 were generated using PLATON (Spek, ...
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Polymorphism of theophylline metabolism in man
... theophylline was administered to 79 unrelated adults, six sets of monozygotic twins, six sets of dizygotic twins, and six two-generation families. Thereafter, in urine collected from each subject at regular ...
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The Fischer-Clifford matrices of the inertia group $2^7{:}O^{-}_{6}(2)$ of a maximal subgroup $2^7{:}Sp_6(2)$ in $Sp_8(2)$
... of 2 7 :O 6 − (2) will be ...of 2 7 :O 6 − ...of 2 7 :O − 6 (2) into 2 7 :Sp 6 (2) will be ...
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Theophylline IMAGEtags (Intracellular Multi Aptamer Genetic tags): the development and evaluation of an RNA reporter system based on the theophylline aptamer
... By contrast with the theophylline and aminoglycoside aptamers, the tetracycline aptamer forms a more complex structure with several stems and loops. Only fragments of two aptamers were obtained when cloning of ...
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Microwave Effect in Chemical Reactions
... Anhydrous theophylline and sodium saccharin have been reported can form co- crystals with many compounds as well as anhydrous theophylline and saccharin base co-crystal, but co-crystallization between ...
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SIMULTANEOUS EQUATION METHOD AND Q-ABSORPTION RATIO METHODS DEVELOPMENT AND VALIDATION OF KETOTIFEN FUMARATE AND THEOPHYLLINE IN BULK AND DOSAGE FORM
... of theophylline and 1 mg ketotifen fumarate were used for analysis by the proposed method which follows a ratio of 200 mg: 1 ...and theophylline (20 ...and theophylline concentration was done by ...
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