Synthesis, Characteristics, and Biocidal Effect of New Protective Compositions Based on Complexes of Mn(II) with 1,10-Phenanthroline in Relation to Microscopic Fungi Isolated from Wood of the Arctic Regions of Russia

IF 0.6 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2025-08-12 DOI:10.1134/S1087659624601205

V. N. Demidov, I. N. Tsvetkova, T. B. Pakhomova, A. E. Sokolov, I. G. Pankova, I. Yu. Kirtsideli, V. A. Iliushin, D. Yu. Vlasov

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Abstract

The biocidal action of new protective compounds based on polycrystalline mono-, bis-, and tris-chelate 1,10-phenanthroline acetate complexes of Mn(II) in relation to a wide range of microscopic fungi: Cadophora fastigiata ID-382 and ID-494, Hormodendrum pyri ID-126, Leptosphaeria sclerotioides ID-433, Paraphoma fimeti ID-110a, Penicillium aurantiogriseum ID-408, Thelebolus microspores ID-423, Tricellula aquatica ID-533 isolated from wood of the Arctic regions of Russia is studied. Acetate complexes of Mn(II) with mono-, bis-, and tris-chelate-coordinated 1,10-phenanthroline: Mn(phen)(OAc)₂·2H₂O, Mn(phen)₂(OAc)₂·2H₂O, and [Mn(phen)₃](OAc)₂·5H₂O are synthesized starting from manganese(II) acetate tetrahydrate Mn(OAc)₂·4H₂O and 1,10-phenanthroline monohydrate phen·H₂O by complex formation in melts. The obtained complexes are characterized by IR spectroscopy, ESP, and diffractometry. All three compounds exhibit strong fungistatic and fungicidal activity that is most pronounced for the coordination-saturated tris-chelate [Mn(phen)₃](OAc)₂·2H₂O with maximally hydrophobic cations. The obtained results show the prospects of searching among carboxylate complexes of manganese(II) with coordinated 1,10-phenanthroline for effective environmentally friendly biocides for protecting wood from biodegradation under the conditions of the Arctic regions of Russia.

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基于Mn(II) - 1,10-菲罗啉配合物的新型防护组合物的合成、特性及对俄罗斯北极地区木材微真菌的杀灭作用

研究了基于锰（II）多晶单、双、三螯合1,10-邻菲罗啉乙酸酯配合物的新型保护化合物对多种显微真菌的杀虫作用：从俄罗斯北极地区木材中分离出的Cadophora fastigiata ID-382和ID-494、Hormodendrum pyri ID-126、leptosphaia sclerotiides ID-433、Paraphoma fimeti ID-110a、Penicillium aurantiogriseum ID-408、Thelebolus micro孢子ID-423、Tricellula aquatica ID-533。以锰（II）乙酸四水合锰（OAc）2·4H2O和一水合1,10-菲罗啉为原料，在熔体中形成络合物，合成了锰（II）与单、双、三螯合1,10-菲罗啉的乙酸配合物：Mn(phen)(OAc)2·2H2O、Mn(phen)2(OAc)2·2H2O和[Mn(phen)3](OAc)2·5H2O。用红外光谱、电潜能谱和衍射法对所得配合物进行了表征。这三种化合物都表现出很强的抑菌和杀真菌活性，其中最明显的是配位饱和的三螯合物[Mn(phen)3](OAc)2·2H2O具有最大的疏水阳离子。研究结果表明，在俄罗斯北极地区条件下，锰（II）与1,10-邻菲罗啉的羧酸配合物中寻找有效的环境友好型杀生剂具有良好的前景。

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.