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N2 - 2-Substituted benzothiazoles were synthesized in excellent yields by a benzotriazole methodology, with the conditions being efficient, green, economical, and suitable for broad applications in medicinal chemistry and the synthesis of specialty chemicals.
Abstract: This research manuscript describes simple yet sensitive, speedy, accurate and precise HPLC method for the analysis of Amitriptyline HCl in tablet form. The sample was analyzed by HPLC instrument using inertsil ODS 3V (150 mm X 4.6 mm, 5 μm Make, GL science) column as stationary phase and Phosphate Buffer: Acetonitrile(55:45 % v/v) as a mobile phase (where PH of the buffer was adjusted to 2.5 by using diluted ortho phosphoric acid) at a flow rate of 1.0 ml/min. UV detector was used for the detection at 254 nm. The retention time for Amitryptiline HCl was found about 4 minute. The linearity for the drug was obtained for the concentration of 45, 80, 100, 120 & 150μg/ml. This method would be successfully applied to pharmaceutical formulations because no significant interferences from tablet................
The density of benzothiazole is 1.238 g/ml (25 °C).
Abstract: Activated carbon prepared from the stems of Solanum Torvum (STAC) was used to remove methylene blue dye (MB) from aqueous solutions. The activated carbon was characterized by Powder-XRD and Scanning electron microscopy (SEM). Various parameters such as initial dye concentration, contact time, pH and adsorbent dosage in a batch adsorption studies were investigated on the removal of methylene blue using STAC. Adsorption kinetics was found to follow pseudo-second-order kinetic model with a good correlation (R2 ≈ 1). Adsorption isotherms were modeled with Langmuir, Freundlich and Temkin isotherms at different temperatures. The data fitted well with the Langmuir isotherm. In addition, various thermodynamic parameters, such as standard Gibbs free energy (ΔG◦), standard enthalpy..............
Abstract: A laboratory incubation experiment was conducted with deltamethrin a synthetic pyrethroid insecticide, and profenofos an organophosphate insecticide to study their influence at 0, 5, 10, 15, 20, 50 and 100 ppm levels of fortification against the microbial activities of soil micro-organisms which is measured in terms of CO2 evolved in the incubation chamber. The amount of CO2 evolved was calculated by standard formula. Carbon dioxide evolved from soil is positively related with the microbial population and their activity in the soil. The result indicated the trend of gradual decrease from 5.01 and 5.24 mg/g against the fortification range of 5 to 20 ppm with deltamethrin and from 4.1to 4.42 with profenofos................
It is a heterocyclic organic compound.
Thiophenols when treated with aromatic nitriles to affords a smooth reaction mediated by cericammonium nitrate to give corresponding 2- arylbenzothiazoles in excellent yield.
Synthesis of 2-substituted benzothiazole anilines to synthesized 2-substituted Benzothiazole 16:
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Benzothiazole has no household use.
Synthesis of 2-substituted benzothiazole by using coupling method (Coupling between thiophenols and aromatic nitriles) 16:
It is used in industry and research.
Synthesis of 2-substituted benzothiazole by using different type of catalysts: 17, 18
Congratulations to the winners of the 2016 Nobel Prize in Chemistry
Recently several methods reported which utilize bromine as catalyst. Basically cyclization with bromine achieved by oxidation of aniline, substituted aniline and arylthiourea in acid or chloroform with alkali thiocyanate. 2-aminobenzothiazole and found that an arylthiourea can be cyclized with liquid bromine in chloroform to form a 2- aminobenzothiaozles.
near one of the largest sea ports on the East Coast.
Treatment of 2-aminothiophenol and substituted aromatic acids in presence of Polyphosphoric acid provides a good method to synthesize 2- substituted benzothiazoles and gives a good yield 19.
Pell Wall make fragrances for men, for women and for the home.
Allen used sodium thiocyanate and cyclize p-substituted aniline into 2-amino-6-substituted benzothiazole in the presence of sulphuric acid which act as a catalyst.
T1 - Catalyst-free facile synthesis of 2-substituted benzothiazoles
2-aminobenzoyhiazoles through analogous C-S bond forming methodologies. They formed the intramolecular C-S bond with the help of copper-and palladium-catalyzed. Copper- and palladium-catalyzed intramolecular C-S bond formation by cross-coupling between aryl halide and thioureas functionality is demonstrated for the synthesis of 2-aminobenzothiazoles.
Must be used with caution though or it can easily ruin a blend.
Treatment of o-aminophenol with substituted aldehydes affords the synthesis of 2-substituted benzothiazoles using different catalysts and reaction conditions.
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