Catalysis-chemistry

Mikhailova, N. S. published the artcileReverse cation flotation of iron ore, Quality Control of 2016-56-0, the publication is Obogashchenie Rud (Sankt-Peterburg, Russian Federation) (1984), 24-6, database is CAplus.

The collecting capacity of aliphatic amines and amino ethers in the reverse cationic flotation of oxidized Fe ores was studied. High Fe content (65%) in the concentrate and low reagent consumption (250-300 g/ton) were attained with dodecylamine?acetate??[2016-56-0], tridecylamine?acetate??[14806-52-1], and Flotigam?PA??[51434-13-0]. Satisfactory results were also attained with the cationic reagent ANP??[11098-85-4]. Maximum collecting capacity in alk. media (pH 10-11) was attained with aliphatic amino ethers Arosurf?Mg-83??[73699-56-6] (N-[3-tridecyloxy)-1-propyl]-1,3-propylene diammonium monoacetate) and ArosurfMg-98A??[66525-24-4] (3-(nonyloxy)-1-propylammonium acetate).

Obogashchenie Rud (Sankt-Peterburg, Russian Federation) published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Quality Control of 2016-56-0.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Mathieu, Didier published the artcilePower Law Expressions for Predicting Lower and Upper Flammability Limit Temperatures, Recommanded Product: Bis(4-nitrophenyl)amine, the publication is Industrial & Engineering Chemistry Research (2013), 52(26), 9317-9322, database is CAplus.

By analogy with recent models for flash point, the lower and upper flammability limit temperatures of organic compounds are represented as power law expressions in terms of fragment contributions. The predictive value of the resulting models compares well with recently published methods. A major advantage of the present approach is the fact it provides better insight into the relations between flammability limit temperatures and mol. structure.

Industrial & Engineering Chemistry Research published new progress about 1821-27-8. 1821-27-8 belongs to catalysis-chemistry, auxiliary class Nitro Compound,Amine,Benzene, name is Bis(4-nitrophenyl)amine, and the molecular formula is C12H9N3O4, Recommanded Product: Bis(4-nitrophenyl)amine.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Mamiya, Mitsuo published the artcileFlotation behavior of natural gypsum and chemical gypsum, Recommanded Product: Dodecylamineacetate, the publication is Chika Shigen Kenkyu Shisetsu Hokoku (Akita Daigaku Kozangakubu) (1979), 169-74, database is CAplus.

The flotation separation was studied of natural gypsum from barite and pyrite and of chem. gypsum from Fe(OH)₂ (from the precipitate of neutralized acid mine drainage). Collectors used were Na oleate [143-19-1], Na dodecyl sulfate [151-21-3], and dodecyl ammonium acetate [2016-56-0]. The chem. gypsum was more floatable with Na oleate, but no difference was found between natural and chem. gypsum with the other collectors. The difference in floatability was due to particle size.

Chika Shigen Kenkyu Shisetsu Hokoku (Akita Daigaku Kozangakubu) published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Recommanded Product: Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Lopatin, B. V. published the artcileVibrational interaction of atomic groups in molecules of nitroaromatic compounds, Synthetic Route of 1821-27-8, the publication is Zhurnal Prikladnoi Spektroskopii (1985), 43(4), 616-20, database is CAplus.

The IR and Raman spectra of 4-O₂NC₆H₄XC₆H₄NO₂-4 (X = a bond, NH, C:C, trans-CH:CH, CH₂, O, S, Se, SS, CH₂CH₂), p-dinitrobenzene (I), and other dinitro compounds were analyzed. The unusually large vibrational interaction of the NO₂ groups in I and certain other compounds was discussed.

Zhurnal Prikladnoi Spektroskopii published new progress about 1821-27-8. 1821-27-8 belongs to catalysis-chemistry, auxiliary class Nitro Compound,Amine,Benzene, name is Bis(4-nitrophenyl)amine, and the molecular formula is C12H9N3O4, Synthetic Route of 1821-27-8.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Lofberg, R. T. published the artcileGas-chromatographic analysis of aminothiol radioprotective compounds, Computed Properties of 10517-44-9, the publication is Analytical Letters (1971), 4(2), 77-86, database is CAplus.

A gas chromatog. method is described for aminothiols and disulfides. This method is based upon the formation of the trimethylsilyl derivatives and their separation by gas chromatog. The kinetics of the derivative formation were investigated. A synthetic method for C4 to C6 aminothiols is given.

Analytical Letters published new progress about 10517-44-9. 10517-44-9 belongs to catalysis-chemistry, auxiliary class Salt,Amine,Aliphatic hydrocarbon chain, name is Propane-1,3-diamine dihydrochloride, and the molecular formula is C3H12Cl2N2, Computed Properties of 10517-44-9.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Liu, Leifang published the artcileHydrothermal Synthesis, Crystal Structures and Fluorescent Properties of Two Complexes Based on 1,2-Phenylenedioxydiacetic Acid and Polypyridyl Ligands, Application In Synthesis of 5411-14-3, the publication is Journal of Inorganic and Organometallic Polymers and Materials (2012), 22(6), 1308-1313, database is CAplus.

Hydrothermal reactions of flexible 1,2-phenylenedioxydiacetic acid (H₂pda) with zinc nitrate or cadmium nitrate in the presence of auxiliary 4,4′-bipyridine (bpy) or 1,3-bis(4-pyridyl)propane (bpp) ligands gave rise to two coordination polymers, {[Cd₂(pda)₂(bpy)(H₂O)₂]¡¤4H₂O}_n (1) and [Zn(pda)(bpp)]_n (2). The polymers were characterized by elemental anal., IR, TG, and single-crystal x-ray diffraction methods. Compound 1 shows 1D ribbon structure and compound 2 displays twofold parallel interpenetrated 2D ¡ú 2D architecture. The different conformations of pda anions in these two compounds are mainly induced by different metal coordination configurations in compound 1 and 2. In addition, the photoluminescence emission of 1 and 2 was studied in the solid state at room temperature

Journal of Inorganic and Organometallic Polymers and Materials published new progress about 5411-14-3. 5411-14-3 belongs to catalysis-chemistry, auxiliary class Carboxylic acid,Benzene,Ether, name is 2,2-(1,2-Phenylenebis(oxy))diacetic acid, and the molecular formula is C10H10O6, Application In Synthesis of 5411-14-3.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Liang, Hsian Chu published the artcileDispersion of chrome yellow in phthalic anhydride-based alkyd yellow enamels, Safety of Dodecylamineacetate, the publication is Yingyong Jiemian Huaxue (1981), 13-21, database is CAplus.

Surfactants improved the dispersibility of chrome yellow in alkyd resin enamels, and the enamels had good hiding power, short drying time, high viscosity, and good adhesion. Nonionic surfactants, e.g., poly(oxyethylene) nonylphenyl?ether??[9016-45-9], had better dispersing effects than did anionic and cationic surfactants.

Yingyong Jiemian Huaxue published new progress about 2016-56-0. 2016-56-0 belongs to catalysis-chemistry, auxiliary class Active Esterification, name is Dodecylamineacetate, and the molecular formula is C14H31NO2, Safety of Dodecylamineacetate.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Lazzus, Juan A. published the artcileHybrid Method to Predict Melting Points of Organic Compounds Using Group Contribution + Neural Network + Particle Swarm Algorithm, Safety of Bis(4-nitrophenyl)amine, the publication is Industrial & Engineering Chemistry Research (2009), 48(18), 8760-8766, database is CAplus.

The m.ps. of organic compounds were estimated using a hybrid method that includes a simple group contribution method (GCM) implemented in an artificial neural network (ANN) replacing standard back-propagation with particle swarm optimization (PSO). A total of 439 compounds were used to train the network developed using MatLab. Then, the m.ps. of 100 other compounds were predicted and results compared to exptl. data and other models available in the literature. The study shows that the proposed GCM + ANN + PSO model represents an excellent alternative for the estimation of m.ps. of organic compounds (average absolute relative deviation (AARD) = 7%) from the knowledge of the mol. structure.

Industrial & Engineering Chemistry Research published new progress about 1821-27-8. 1821-27-8 belongs to catalysis-chemistry, auxiliary class Nitro Compound,Amine,Benzene, name is Bis(4-nitrophenyl)amine, and the molecular formula is C12H9N3O4, Safety of Bis(4-nitrophenyl)amine.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Larson, Gerald L. published the artcileSilicon-based formation of carbon-carbon bonds, Name: Trimethyl(perfluorophenyl)silane, the publication is PharmaChem (2010), 9(9/10), 26-29, database is CAplus.

A review. Topics thus discussed included 1,2-addition of organosilanes to aldehydes and ketones, 1,4-addition of organosilanes to aldehydes and ketones, enantioselective 1,2-addition of organosilanes to enones, reaction of organosilanes with other sp₃ systems.

PharmaChem published new progress about 1206-46-8. 1206-46-8 belongs to catalysis-chemistry, auxiliary class Organic Silicones, name is Trimethyl(perfluorophenyl)silane, and the molecular formula is C9H9F5Si, Name: Trimethyl(perfluorophenyl)silane.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia

Kumar Yadav, Arvind published the artcile(NH₄)₂S₂O₈ mediated denitrative trifluoromethylation of ¦Â-nitrostyrenes: Synthesis of vinyltrifluoromethylated alkenes, Recommanded Product: 1,2-Dimethoxy-4-(2-nitrovinyl)benzene, the publication is Results in Chemistry (2022), 100325, database is CAplus.

A metal-free denitrative trifluoromethylation of ¦Â-nitrostyrenes has been developed under mild reaction conditions using Langlois’ (CF₃SO₂Na) reagent to an easy access vinyltrifluoromethylated alkenes RCH:CHCF₃ (R = 3-MeOC₆H₄, 2-ClC₆H₄, 2-naphthyl, etc.). (NH₄)₂S₂O₈ used as a cheap radical initiator to produce CF₃ radical via desulfonylation at elevated temperature The product is predominantly trans (E)-selective and reaction is applicable to a wide range of the ¦Â-nitrostyrenes.

Results in Chemistry published new progress about 4230-93-7. 4230-93-7 belongs to catalysis-chemistry, auxiliary class Alkenyl,Nitro Compound,Benzene,Ether, name is 1,2-Dimethoxy-4-(2-nitrovinyl)benzene, and the molecular formula is C10H11NO4, Recommanded Product: 1,2-Dimethoxy-4-(2-nitrovinyl)benzene.

Referemce:
https://courses.lumenlearning.com/boundless-chemistry/chapter/catalysis/,
Catalysis – Wikipedia