Charge-compensated <i>nido</i>-carborane derivatives in the synthesis of iron(<scp>ii</scp>) bis(dicarbollide) complexes

Stogniy, Marina Yu.; Anufriev, Sergey A.; Bogdanova, Ekaterina V.; Gorodetskaya, Nadezhda A.; Anisimov, Alexei A.; Suponitsky, Kyrill Yu.; Grishin, Ivan D.; Sivaev, Igor B.

doi:10.1039/d3dt03549b

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2024

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“…18 Such complexes have been obtained for closo -borate anions and nidocarborane as well as for cobalt and iron bis(dicarbollides). 19–21 Cyclic ethers such as tetrahydrofuran, tetrahydropyran and dioxane act as donors. The interest in oxonium boron derivatives is driven by the potential for further functionalisation of these molecular systems.…”

Section: Introductionmentioning

confidence: 99%

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis

Kolbunova,

Klyukin,

Novikov

et al. 2024

New J. Chem.

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Section: Introductionmentioning

confidence: 99%

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis

Kolbunova,

Klyukin,

Novikov

et al. 2024

New J. Chem.

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Bis(Dicarbollide) Complexes of Transition Metals: How Substituents in Dicarbollide Ligands Affect the Geometry and Properties of the Complexes

Sivaev

2024

Molecules

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The interaction between different types of substituents in dicarbollide ligands and their influence on the stabilization of various rotational conformers (rotamers) of transition metal bis(dicarbollide) complexes [3,3′-M(1,2-C2B9H11)2]− are considered. It has been shown that the formation of intramolecular CH···X hydrogen bonds between dicarbollide ligands is determined by the size of the proton acceptor atom X rather than its electronegativity. Due to the stabilization of rotamers with different dipole moments, intramolecular hydrogen bonds between ligands in transition metal bis(dicarbollide) complexes can have a significant impact on the biological properties of their derivatives. In the presence of external complexing metals, weak intramolecular CH···X hydrogen bonds can be broken to form stronger X—>M donor-acceptor bonds. This process is accompanied by the mutual rotation of dicarbollide ligands and can be used in sensors and molecular switches based on transition metal bis(dicarbollide) complexes.

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Charge-compensated nido-carborane derivatives in the synthesis of iron(ii) bis(dicarbollide) complexes

Abstract: A series of stable iron(II) bis(dicarbollide) derivatives [8,8’-(RNHC(Et)=HN)2-3,3’-Fe(1,2-C2B9H10)2] (R = Pr, R = Ph, (CH2)2OH, (CH2)3OH, (CH2)2NMe2) was prepared starting from FeCl2 or [FeCl2(dppe)] and the corresponding nido-carboranyl amidines [10-RNHC(Et)=HN-7,8-C2B9H11]....

Cited by 2 publications

References 124 publications

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis

Bis(Dicarbollide) Complexes of Transition Metals: How Substituents in Dicarbollide Ligands Affect the Geometry and Properties of the Complexes

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Charge-compensated nido-carborane derivatives in the synthesis of iron(ii) bis(dicarbollide) complexes

Abstract: A series of stable iron(II) bis(dicarbollide) derivatives [8,8’-(RNHC(Et)=HN)2-3,3’-Fe(1,2-C2B9H10)2] (R = Pr, R = Ph, (CH2)2OH, (CH2)3OH, (CH2)2NMe2) was prepared starting from FeCl2 or [FeCl2(dppe)] and the corresponding nido-carboranyl amidines [10-RNHC(Et)=HN-7,8-C2B9H11]....

Cited by 2 publications

References 124 publications

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B12H10O2CR]−: synthesis and molecular orbital analysis

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B12H10O2CR]−: synthesis and molecular orbital analysis

Bis(Dicarbollide) Complexes of Transition Metals: How Substituents in Dicarbollide Ligands Affect the Geometry and Properties of the Complexes

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Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis

Carboxonium derivatives based on closo-dodecaborate anions [1,2-B₁₂H₁₀O₂CR]⁻: synthesis and molecular orbital analysis