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Fine Chemical Technologies

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Vol 3, No 4 (2008)
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CHEMISTRY AND TECHNOLOGY OF ORGANIC SUBSTANCES

3-16 143
Abstract
The review summarizes studies on the «direct synthesis» of alkoxysilanes. Their properties and areas of practical use are considered.
23-31 54
Abstract
Reactions of homo- and crossaldol condensation of formaldehyde and acetaldehyde were studied at presence of primary, secondary and tertiary amine salt of linear structure in N,N-dimethylacetamide, water and toluene. It was found that in all solvents conversion of reagent is increased with increase of bacity of amine, but selectivity on cross-reaction became lower because of formation side products of acetaldehyde homo-condensation. The conversion of acetaldehyde is also increased with increase of solvent polarity.
32-38 64
Abstract
By means of ATRP the amphiphilic block-copolymers of polyisobornylacrylate-polyacrilic acid were produced. Kinetics of polymerization was investigated. Synthesized samples of polymers were characterized with molecular weight and polydispersity.
39-43 41
Abstract
Approaches and methodology for development of the balanced technological process are considered at the certain examples of the large tonnage plants of organochlorine synthesis (vinyl chloride, chloromethanes, perchloroethylene) with the maximum efficient raw materials (chlorine and hydrocarbons) utilization, waste recirculation, and heat recovery for products separation.
44-48 50
Abstract
The reaction of reduction dehydratation of aliphatic alcohols into the hydrocarbons is the perspective approach for receiving liquid fuel. It opens ways to the industrial method of one-study receiving linear and cyclic alkanes, being high-energy components of aviation fuel, from bioalcohols (ethanol, butanols, pentanols). It has been found that combinated systems based on hydrides of intermetallic compounds are sufficiently effective catalysts and lead to the formation mixture of hydrocarbons with considerable content of isoalkanes. It has been appeared synergetic effect in formation of alkanes in the presence of two-component composition consisting of hydride intermetallic compound and alumoplatinum catalyst.

CHEMISTRY AND TECHNOLOGY OF MEDICINAL COMPOUNDS AND BIOLOGICALLY ACTIVE SUBSTANCES

49-52 53
Abstract
Synthesis carborancontaining derivatives of copper (II) and palladium (II) complexes of 5,10,15,20-tetrakis- (p-methoxyphenyl)porphyrin is carried out with the purpose of their application in boron neutron capture therapy (BNCT) and photodynamic therapy(PDT) of a cancer.
53-57 37
Abstract
The synthesis of new non-phosphorus ether glycerolipids containing a pyridinium ring in a polar domain is described. Novel compounds possess high cytotoxic activity against human leukemia К562 and colon cancer HCT116 cell lines.
58-62 51
Abstract
Modern effective biotechnological method of the synthesis of new analogues of 1-β-D-ribifuranozyl-1,2,4- triazole-3-carboxamide (ribavirin) from 3-amino-1,2,4-triazole was developed. Gene-engineering enzymes purine- and, thymidine phosphorylasis were used for biothecnological method of the synthesis ribavirin analogs.

THEORETICAL BASES OF CHEMICAL TECHNOLOGY

63-69 54
Abstract
The catalytic systems are proposed to oxidize CO: solutions PdX2-organic solvent, where solvent is 1,4- dioxan or tetrahydrofuran, X – Br, I. It was shown that a number of conjugated processes proceed in these systems.
70-74 50
Abstract
A downward flow of a two thin films of insoluble in each other liquids subject to influence of a gas counterflow is studied. A velocity profiles in both thin films, an average velocities and a discharges has been found. Dependences for evaluating optimal influence of the gas stream on working film were found.
75-78 53
Abstract
In this article the optimal operating modes of the dichloroacetic acid hydrogenation reactor by experimental design method have been defined, providing both the high purity of commercial monochloroacetic acid and rational, using of the expensive palladium activated charcoal-based catalyst. The optimal methods of sectioning and additional irrigation of the reactor have been proposed.

MATHEMATICAL METHODS AND INFORMATION SYSTEMS IN CHEMICAL TECHNOLOGY

79-83 40
Abstract
The analysis of neural networks applicability for complex organic compounds activity prediction is provided. The regulation algorithm is offered to improve the prediction properties of the networks.
84-87 43
Abstract
The thermal reaction of an infinite disk with a circular cut is investigated. The regularities of the thermoelastic strains when the surface of the cut is heated by the principle of «the concentrated capacity» are found.
88-93 40
Abstract
As a result of theoretical and applied researches of system relations and regularities of existing theories and models there were chosen feature-handling parameters of oligomeric system. Therefore one might say that the proposed work's aim is the system analysis realization of oligomers as the complex science objects. and the selection of optimal handling factors affecting the features and structure of oligomeric systems
94-100 52
Abstract
The structure of the database is developed, allowing to unit in one electronic reference media of data on properties of materials on the basis of semiconductor phases with their simultaneous ordering both necessary for technologists the data on conditions of reception of these materials. The user-friendly interface is created, patterns for reports are made. Serviceability of a database is checked up on an example of А3 В5 and А2 В6 semiconductor compounds. The database is recommended to introduction in educational process on the direction 551600 « Materiology and technology of new materials».

CHEMISTRY AND TECHNOLOGY OF INORGANIC MATERIALS

101-105 32
Abstract
Interaction of Rhodium(III) Chloride complexes with Formaldehyde into the sulphate and chloric solutions has been studied. Probably stages of reducing process that proceeds with metal Rhodium formation has been suggested. Influence of initial Rhodium, Formaldehyde and Hydrochloric acid concentration on the rate of each stage and on the extraction extent of valuable metal into a solid phase has been observed.
106-113 31
Abstract
In this article has been lead statistical optimization of synthesis process of bismuth-boron comparison sample. Have been determined optimal operation factors of synthesis process of glassy comparison sample.


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ISSN 2410-6593 (Print)
ISSN 2686-7575 (Online)