Центральная Научная Библиотека УрО РАН

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   P 91


    Preparation of Amino Derivatives from Industrial Mixtures of Polychlorobiphenyls [Electronic resource] / T. I. Gorbunova, A. Ya. Zapevalov, V. E. Kirichenko, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Applied Chemistry. - 2001. - Vol. 74, № 1. - P118-122. - Bibliogr. : p. 122 (16 ref.)

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINO DERIVATIVES -- MIXTURES -- INDUSTRIAL MIXTURES -- POLYCHLOROBIPHENYLS -- AMINOPOLYCHLOROBIPHENYLS
Аннотация: Chemical utilization (conversion) of polychlorobiphenyls by nitration of their industrial mixture was studied. Reduction of the nitro derivatives gave mixtures of aminopolychlorobiphenyls.

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2001, v. 74, N. 1, p.118.pdf
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   U 92


    Utilization of polychlorinated biphenyls with the use of chemical and biological processes [Electronic resource] / D. O. Egorova, E. G. Plotnikiva, A. V. Mekhaev, Yu. G. Yatluk, V. A. Demakov, O. N. Chupakhin // Doklady Chemistry. - 2011. - Vol.441, №1. - P334-337

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLORINATED BIPHENYLS -- UTILIZATION

\\\\Expert2\\nbo\\Doklady Chemistry\\2011, v. 441, N 1, p. 334-337.pdf
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   P 34

    Pavlonich, L. B.
    Improving the production of phthalic anhydride from industrial-grade naphthalene / L. B. Pavlonich, E. Andreikov // Coke and Chemistry . - 2013. - Vol.56, №9. - С. 356-358. - Bibliogr. : p. 358 (12 ref.)

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CATALYST REGENERATION -- CATALYTIC OXIDATION -- INDUSTRIAL-GRADE NAPHTHALENE
Аннотация: Means of more effective utilization of industrial-grade naphthalene in phthalic anhydride production have been developed

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   B 68


    Blue-light-promoted radical c-h azolation of cyclic nitrones enabled by selectfluor® / A. A. Akulov, M. V. Varaksin, A. N. Tsmokalyuk [et al.] // Green Chemistry. - 2021. - Vol. 23, № 5. - P2049-2057

ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: An original approach to achieve the C(sp2)–H azolation of cyclic aldonitrones mediated by Selectfluor® has first been employed. By exploiting a metal-free, visible-light-promoted cross-dehydrogenative C–N coupling reaction between model aldonitrones, 2H-imidazole 1-oxides, and NH-containing azoles, a series of novel azaheterocyclic derivatives have been obtained in yields up to 94%. The elaborated protocol has proved to be appropriate for gram-scale processes and displayed potential for utilization in the synthesis of novel structural analogues of lanabecestat. Besides, mechanistic studies have revealed that this coupling reaction is likely to proceed via a nitroxide-involving radical pathway, encompassing a chain of electron transfer events, such as hydrogen atom transfer (HAT) and single electron transfer (SET).

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    Biocompatible silica-polyethylene glycol-based composites for immobilization of microbial cells by sol-gel synthesis / D. G. Lavrova, A. N. Zvonarev, V. A. Alferov [et al.] // Polymers. - 2023. - Т. 15, № 2. - P458
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ORMOSIL COMPOSITES -- BIOFILTER -- BIOCATALYSTS
Аннотация: Biocatalysts based on the methylotrophic yeast Ogataea polymorpha VKM Y-2559 immobilized in polymer-based nanocomposites for the treatment of methanol-containing wastewater were developed. The organosilica composites with different matrix-to-filler ratios derived from TEOS/MTES in the presence of PEG (SPEG-composite) and from silicon-polyethylene glycol (STPEG-composite) differ in the structure of the silicate phase and its distribution in the composite matrix. Methods of fluorescent and scanning microscopy first confirmed the formation of an organosilica shell around living yeast cells during sol-gel bio-STPEG-composite synthesis. Biosensors based on the yeast cells immobilized in STPEG- and SPEG-composites are characterized by effective operation: the coefficient of sensitivity is 0.85 ± 0.07 mgO2 × min−1 × mmol−1 and 0.87 ± 0.05 mgO2 × min−1 × mmol−1, and the long-term stability is 10 and 15 days, respectively. The encapsulated microbial cells are protected from UV radiation and the toxic action of heavy metal ions. Biofilters based on the developed biocatalysts are characterized by high effectiveness in the utilization of methanol-rich wastewater—their oxidative power reached 900 gO2/(m3 × cycle), and their purification degree was up to 60%.

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