Synthesis and structure of some zinc and cadmium 1,2-cyclohexanedione dioximines

Coropceanu Eduard; Croitor Lilia; Desyatnik A.; Clapco Steliana; Lablyuk S.; Codreanu Svetlana; Fonari Marina

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1096

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2018-07-20 19:07

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COROPCEANU, Eduard, CROITOR, Lilia, DESYATNIK, A., CLAPCO, Steliana, LABLYUK, S., CODREANU, Svetlana, FONARI, Marina. Synthesis and structure of some zinc and cadmium 1,2-cyclohexanedione dioximines. In: Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya, 2017, vol. 43, pp. 433-440. ISSN -. DOI: https://doi.org/10.1134/S1070328417070053

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Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya

Volumul 43 / 2017 / ISSN - /ISSNe 1070-3284

Synthesis and structure of some zinc and cadmium 1,2-cyclohexanedione dioximines

DOI:https://doi.org/10.1134/S1070328417070053

Pag. 433-440

Coropceanu Eduard¹², Croitor Lilia³, Desyatnik A.³, Clapco Steliana⁴, Lablyuk S.³, Codreanu Svetlana², Fonari Marina³

¹ Institute of Chemistry of the Academy of Sciences of Moldova,
² Tiraspol State University,
³ Institute of Applied Physics, Academy of Sciences of Moldova,
⁴ Institute of Microbiology and Biotechnology of the ASM

Disponibil în IBN: 16 februarie 2018

Rezumat

The complexes [Zn(CH₃COO)₂(NioxH₂)(DMF)(H₂O)] (I), [Cd(CH₃COO)₂-(NioxH₂)(DMF)(H₂O)] (II), [Zn(CH₃COO)₂(NioxH₂)(S-Nia)(H₂O)] · DMF (III), [Zn(CH₃COO)₂(NioxH₂)(Nia)(H₂O)] (IV), and [Zn(CH₃COO)₂(NioxH₂)(INia)(H₂O)] (V), where NioxH₂ is 1,2-cyclohexanedione dioxime, S-Nia is thionicotinamide, Nia is nicotinamide, and INia is iso-nicotinamide, were prepared and investigated. Compounds I–III were studied by X-ray diffraction (CCDC nos. 1505280–1505282 for I–III, respectively). Testing of zinc complexes containing various ligands demonstrated that at the optimized concentration (5 mg/L), they can be used for stimulating biosynthesis of both standard (57.14%, pH 4.7) and acid-labile (17.63%, pH 2.5) amylases by the micromycete Aspergillus niger CNMN FD 06 without affecting the duration of producer culturing.

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1, coordination compounds, crystal structure

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<cfAbstr cfLangCode='EN' cfTrans='o'><p>The complexes [Zn(CH<sub>3</sub>COO)<sub>2</sub>(NioxH<sub>2</sub>)(DMF)(H<sub>2</sub>O)] (I), [Cd(CH<sub>3</sub>COO)<sub>2</sub>-(NioxH<sub>2</sub>)(DMF)(H<sub>2</sub>O)] (II), [Zn(CH<sub>3</sub>COO)<sub>2</sub>(NioxH<sub>2</sub>)(S-Nia)(H<sub>2</sub>O)] &middot; DMF (III), [Zn(CH<sub>3</sub>COO)<sub>2</sub>(NioxH<sub>2</sub>)(Nia)(H<sub>2</sub>O)] (IV), and [Zn(CH<sub>3</sub>COO)<sub>2</sub>(NioxH<sub>2</sub>)(INia)(H<sub>2</sub>O)] (V), where NioxH<sub>2</sub> is 1,2-cyclohexanedione dioxime, S-Nia is thionicotinamide, Nia is nicotinamide, and INia is iso-nicotinamide, were prepared and investigated. Compounds I&ndash;III were studied by X-ray diffraction (CCDC nos. 1505280&ndash;1505282 for I&ndash;III, respectively). Testing of zinc complexes containing various ligands demonstrated that at the optimized concentration (5 mg/L), they can be used for stimulating biosynthesis of both standard (57.14%, pH 4.7) and acid-labile (17.63%, pH 2.5) amylases by the micromycete Aspergillus niger CNMN FD 06 without affecting the duration of producer culturing.</p></cfAbstr>
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