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Article
Synthesis and Physicochemical Properties of C-Borylated Esters Based on the closo-Decaborate Anion
The interaction of the monocarbonyl derivative of the closo-decaborate anion [2-B10H9CO]– with O-nucleophiles has been considered. It has been found that primary, secondary, and tertiary alcohols can enter the ad...
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Article
Perbrominated Sulfonium-Substituted closo-Decaborates with exo-Polyhedral Amino Groups [2-B10Br9S((CH2)nNH2)2]– (n = 1–3)
A method for preparing fully brominated sulfonium derivatives of the closo-decaborate anion with functional amino groups (n-Bu4N)[2-B10Br9S((CH2)nNH2)2]– (n = 1–3) has been developed. The method is based on the i...
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Article
N-Borylated Hydroxylamines [B12H11NH2OH]– as a Novel Type of Substituted Derivative of the closo-Dodecaborate Anion
Methods for the preparation of N-substituted hydroxylamine [B12H11NH2OH]– have been developed and optimized. The possibility of using two synthetic methods has been shown: (i) based on the hydroxylation of the de...
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Article
Synthesis and Physicochemical Properties of C-Borylated Amides Based on the closo-Decaborate Anion
Reactions between monocarbonylated [B10H9CO]–closo-decaborate anion and N-nucleophiles have been studied. It has been discovered that not only primary and secondary, but also tertiary amines can enter the additio...
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Article
Derivatives of closo-Decaborate Anion with Polyamines
The reactions of 1,4-dioxane derivative of closo-decaborate anion with hydrazine and a number of polyamines (tetraethylenepentamine, triethylenetetramine, tris(2-aminoethyl)amine, bis(3-aminopropyl)amine, and N,N
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Article
Methods of Creating closo-Decaborate Anion Derivatives with Bridging and Terminal Exopolyhedral Cyclic Substituents of Sulfonium Type
New methods of creation of cyclic bridging and terminal exopolyhedral sulfur-containing substituents in the closo-decaborate anion have been suggested. It has been shown that the reaction of [B10H9SH]2– with 1,2-...
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Article
Synthesis of Boron-Containing Siloxanes by Reaction of Hydroxy-closo-Decaborates with Dihalosilanes
A new approach to the preparation of boron-containing siloxanes based on cluster boron anions has been suggested. This approach consists in the reaction of hydroxy derivatives of closo-decaborate anion [B10H10–n(...
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Article
A new method for the synthesis of carboxonium derivatives of the closo-decaborate anion [2,6-B10H8(O2CR)]–, where R = CH3, C2H5
A single-stage scheme for the synthesis of carboxonium derivatives of the closo-decaborate anion by the reaction between the [B10H11]– anion and carboxylic acids was proposed. Target compounds were separated and ...
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Article
Hydrolysis of nitrilium derivatives of the closo-decaborate anion [2-B10H9(N≡CR)]– (R = CH3, C2H5, C(CH3)3, or C6H5)
Reaction of tetrabutylammonium salts of [2-B10H9(N≡CR)]– (R = CH3, C2H5, C(CH3)3, or C6H5) anions with water results in N-borylated iminols (Bu4N)[2-B10H9NH=C(OH)R], and in the presence of an alkali, correspondin...
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Article
Structure, physicochemical properties, and reactivity of the [B9H9]2– anion
Data on the structure, properties, and reactivity of one of the least studied 3D aromatic clusters—nonahydro-closo-nonaborate anion [B9H9]2–—have been systematized. It has been shown that the key aspects of its r...
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Article
Nickel(II) and Iron(II) coordination compounds with octahydrotriborate(1–) anion [ML3]{B3H8}2 (M = Fe2+, Ni2+; L = bipy, phen)
Methods of synthesis have been developed for new types of promising precursors of metal borides, coordination compounds [ML3]B{3H8{2 (M = Fe2+, Ni2+; L = bipy, phen), using modified procedures of synthesis of oct...
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Article
Features of coherent phonons of the strong topological insulator Bi2Te3
Femtosecond laser pulses have been used to generate and detect fully symmetric (A 1g ) and doubly degenerate (E ...
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Article
The chemistry of the octahydrotriborate anion [B3H8]−
The review integrates data on the structure, methods of synthesis, reactivity, and coordination properties of the octahydrotriborate anion.
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Article
Reactions of sodium tetrahydroborate with alkyl and aryl halides: A new approach to the synthesis of B3H 8 − and B12H 12 2− anions
A new method for the synthesis of the B3H 8 − anion based on the reactions of alkyl and aryl halides (C2H4Cl2, C6H5CH2Cl, C4H9Br, (C6H5)3CCl, C10H7CH2Cl, CH2I2
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Article
A new method of synthesis of the B3H 8 − anion
A new method of synthesis of the B3H 8 − anion has been suggested. The method uses the reaction of some metal halides (CuCl, SnCl2, CrCl3, PbF2, PbCl2, PbBr2, ...
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Article
Modern aspects of the chemistry of complex boron and aluminum hydrides
The review deals with new methods of synthesis of complex tetrahydroborates and tetrahydroaluminates and their coordination compounds, initial reagents for synthesis of borides, catalyst precursors, and materi...
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Article
Complexes of gold clusters with the closo-borate anions B10H 10 2− and B12H 12 2−
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Article
Thermodynamic properties of liquid metals and alloys
A modified cellular model of liquids is used to develop a method for calculating thermodynamic properties of liquid metals and their alloys, which are widely used in compact modern heat exchange equipment oper...
