23 Result(s)
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Article
Catalysts for Liquid-Phase Oxidation of Organic Compounds with Hydrogen Peroxide: Homogeneous and Phase Transfer Systems
The review presents a comparative analysis of promising homogeneous metal complex catalysts and the results of studies on the synthesis and determination of the structural characteristics of efficient catalyst...
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Article
Kinetics of the Catalytic Oxidation of Methyl Oleate
The results of studying the reaction kinetics of the catalytic oxidation of methyl oleate with hydrogen peroxide in a two-phase system (aqueous phase-organic phase) in the presence of the bifunctional catalyst...
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Article
New Catalysts for Asymmetric Oxidation of Prochiral Sulfides Based on Vanadium Complexes with Levopimaric Acid Derivatives
The formation of vanadium complexes with synthesized enantio- and diastereomerically pure polydentate tetrahydrosalicylidene ligands of the diterpene series was studied using UV, visible, and 51V NMR spectroscopy...
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Article
Methods for the Catalytic Synthesis of Piperazine
Piperazine synthesis methods on intermolecular and intramolecular cyclization catalytic processes are compared and reviewed analytically. The advantages and disadvantages of current ways of synthesizing pipera...
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Article
Glyphosate: Methods of Synthesis
The review describes the main chemical processes used in the preparation of glyphosate by different methods. Methods for the synthesis of glyphosate are considered, both industrial syntheses (from glycine and ...
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Article
Production of Methacrylic Acid and Metacrylates
The literature on the existing processes for the preparation of an important organic product, methacrylic acid and its ester, methyl methacrylate is analyzed. It is shown that the main method of their industri...
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Article
Oxidation of Organic Substrates in Two-Phase Liquid Systems in the Presence of Tungsten Peroxo Complexes with the Formation of Carboxylic Acids
A brief review is given for the results obtained by the authors at the Boreskov Institute of Catalysis when studying the processes of hydrogen peroxide oxidation for different organic compounds. Some basic cat...
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Article
Phenol-Formaldehyde Resins: Properties, Fields of Application, and Methods of Synthesis
This review considers the current situation in the market of phenol-formaldehyde resins, which serve as a basis for a wide range of binders, whose properties can be varied to obtain different materials for cer...
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Methods for the Synthesis of Phthalic Acid Dichlorides
Isophthalic and terephthalic acid chlorides (also known as isophthaloyl and terephthaloyl chlorides) are without doubt strategically important compounds. One area in which they are used is the synthesis of ara...
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Article
Procedure for Measuring the Mass Fractions of Products of the Catalytic Ethylbenzene Pyrolysis Reaction
A technique is proposed for determining the mass fractions of products of the catalytic ethylbenzene pyrolysis reaction on a capillary column with functionalized poly(1-trimethylsilyl-1-propyne) (PTMSP/N2O). The ...
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Article
Processes of Altax Production
Works on existing ways of producing Altax (2,2'-dibenzothiazolyl disulfide), an important accelerator of rubber vulcanization, are analyzed. It is shown that the main means of its production is the oxidation o...
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Article
Methods for the Synthesis of Triethanolamine
Triethanolamine (TEA) is a highly demanded product in medium- and low-tonnage chemistry used in many fields of production (textile and cement industry, production of coolant-lubricants, cosmetics, household ch...
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Article
Synthesis of 1,4-Dimethyl-9,10-Anthraquinone from 1,4-Naphthoquinone and 2,4-Hexadiene in the Presence of Heteropoly Acids
The synthesis of 1,4-dimethyl-9,10-anthraquinone (DMAQ) from 1,4-naphthoquinone and 2,4‑hexadiene was studied based on a new one-step method developed by the authors for the synthesis of substituted anthraquin...
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Article
Catalytic Synthesis of Triethanolamine in a Microchannel Reactor
Experimental studies of ammonia oxyethylation in a flow microchannel reactor are performed in broad ranges of temperatures (70–180°C) and residence times (0.47–3.3 min). The main products of the reaction betwe...
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Article
Ways of Synthesizing Dichloro-[2,2]-Paracyclophane: A Review
Ways of synthesizing dichloro-[2,2]-paracyclophane (dichloroPCP), a valuable monomer for the manufacturing of polymeric coating used in radioelectronics, are described. There are currently no plants for its pr...
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Article
One-Pot Process to Produce Anthraquinone Derivatives: Prospective Wood Delignification Catalysts
Derivatives of 9,10-anthraquinone (AQ) are widely used chemicals but the currently practiced methods for their production are inefficient and environmentally harmful. In the present work, an innovative method ...
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Article
Synthesis of Heptanoic Acid via the Oxidation of Octene-1 by Hydrogen Peroxide under Conditions of Phase-Transfer Catalysis
Results from studying the oxidation of octene-1 by a hydrogen peroxide solution to heptanoic acid in a two-phase liquid system under phase-transfer catalysis conditions are presented. Methyl(tri-n-octyl) ammonium...
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Article
A new method for producing substituted anthraquinones via diene synthesis in the presence of Mo-V-P heteropoly acid solution: Catalyst regeneration
The possibilities of develo** catalytic processes for the synthesis of 2-methylanthraquinone from 1,4-naphthaquinone (NQ) and isoprene, and synthesizing 2,3-dimethylanthraquinone from NQ and 2,3-dimethylbuta...
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Article
Methods of synthesizing cis-methyltetrahydrophthalic anhydride
Possible methods of synthesizing cis-methyltetrahydrophthalic anhydride (cis-MTHPA), an epoxy hardener, including catalytic ones, are analyzed. cis-MTHPA synthesis from isoprene and maleic anhydride via the Diels...
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Article
Iminodiacetic acid synthesis in a microchannel reactor
The synthesis of iminodiacetic acid (IDA) by diethanolamine (DA) dehydrogenation over a Cu/ZrO2 catalyst in a microchannel rector has been investigated and has been compared to the same synthesis in an autoclave....
