Solid-phase synthesis of protonated nitrogen-containing heterocyclic compounds with the boron cluster anions starting from [Eu(H2O)9]2[B10Cl10]3: Synthesis, structure, and thermal properties of (HL)2[B10Cl10] (L=7-amino-4-methylcoumarin or 1-ethyl-2-(4-methoxyphenyl) azobenzimidazole)

被引：7

作者：

Malinina, Elena A. ^{[1
]}

Korolenko, Svetlana E. ^{[1
]}

Kubasov, Alexey S. ^{[1
]}

Buzanov, Grigorii A. ^{[1
]}

Golubev, Alexey, V ^{[1
]}

Goeva, Lyudmila, V ^{[1
]}

Simonenko, Nikolay P. ^{[1
]}

Avdeeva, Varvara V. ^{[1
]}

Kuznetsov, Nikolay T. ^{[1
]}

机构：

[1] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Leninskii Pr 31, Moscow 1119991, Russia

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2021年 / 302卷

关键词：

Decachloro-closo-decaborate anion; X-ray diffraction; Thermal properties; Azaheterocyclic ligands; CLOSO-DECABORATE ANION; N-DONOR LIGANDS; IONIC LIQUIDS; CL-35; NQR; COMPLEXATION; CHEMISTRY; SUBSTITUTION; DERIVATIVES; SPECTRA; BORANES;

D O I：

10.1016/j.jssc.2021.122413

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The paper proposes a new method for the synthesis of salts of a perchlorinated derivative of the decahydro-closodecaborate anion with neutral N-containing organic bases L-1 and L-2 starting from previously prepared europium precursor [Eu(H2O)(9)](2)[B10Cl10](3). Compound [Eu(H2O)(9)](2)[B10Cl10](3) was first synthesized and characterized by elemental analysis, X-ray powder diffraction, IR spectroscopy and its thermal properties were studied by TGA. The protonation of organic bases L was carried out in the solid phase in the presence of precursor [Eu(H2O)(9)](2)[B10Cl10](3). For comparison, the reaction was carried out in solution: in the CH3CN/CF3COOH system and in an aqueous solution of (H3O)(2)[B10Cl10] with pronounced acidic properties. The influence of reaction conditions on the composition and structure of the final products was analyzed. Salts of the composition (HL)(2)[B10Cl10] (L is 1-ethyl-2-(4-methoxyphenyl)azobenzimidazole (L1) and 7-amino-4-methylcoumarin (L-2)) and (HL2)(H9O4) [B10Cl10] were synthesized and characterized by X-ray diffraction. The thermal properties of the obtained salts and ligand L1 (C16H16N4O) were studied in air in the temperature range 20-600 degrees C.

引用

页数：11

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