Base-free transfer hydrogenation of aldehydes and ketones catalyzed by imidazolin-2-iminato actinide complexes

Hemanta Deka; Natalia Fridman; Marvin Koneczny; Matthias Tamm; Moris S. Eisen

doi:10.1039/d2cy01362b

Base-free transfer hydrogenation of aldehydes and ketones catalyzed by imidazolin-2-iminato actinide complexes

Hemanta Deka, Natalia Fridman, Marvin Koneczny, Matthias Tamm, Moris S. Eisen^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A series of thorium(iv) (3, 4, 9, 10) and uranium(iv) (5, 6, 11, 12) complexes decorated with the unsymmetrical imidazolin-2-iminato ligands L₁ and L₂ were synthesized and found to be effective as catalysts in the transfer hydrogenation of aldehydes and ketones with 2-propanol to form the corresponding alcohols with good yields, representing a rare example for actinides as transfer hydrogenation catalysts with alcohols. The transfer hydrogenation of aldehydes and ketones was found to be selective, tolerating a wide range of other functional groups, including those prone to reduction, such as nitro, alkynes, and nitriles. The neutral imine ligand was found to be coordinated in the active catalyst along with the alkoxo group.

Original language	English
Pages (from-to)	352-361
Number of pages	10
Journal	Catalysis Science and Technology
Volume	13
Issue number	2
DOIs	https://doi.org/10.1039/d2cy01362b
State	Published - 21 Sep 2022
Externally published	Yes

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title = "Base-free transfer hydrogenation of aldehydes and ketones catalyzed by imidazolin-2-iminato actinide complexes",

abstract = "A series of thorium(iv) (3, 4, 9, 10) and uranium(iv) (5, 6, 11, 12) complexes decorated with the unsymmetrical imidazolin-2-iminato ligands L1 and L2 were synthesized and found to be effective as catalysts in the transfer hydrogenation of aldehydes and ketones with 2-propanol to form the corresponding alcohols with good yields, representing a rare example for actinides as transfer hydrogenation catalysts with alcohols. The transfer hydrogenation of aldehydes and ketones was found to be selective, tolerating a wide range of other functional groups, including those prone to reduction, such as nitro, alkynes, and nitriles. The neutral imine ligand was found to be coordinated in the active catalyst along with the alkoxo group.",

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T1 - Base-free transfer hydrogenation of aldehydes and ketones catalyzed by imidazolin-2-iminato actinide complexes

AU - Deka, Hemanta

AU - Fridman, Natalia

AU - Koneczny, Marvin

AU - Tamm, Matthias

AU - Eisen, Moris S.

PY - 2022/9/21

Y1 - 2022/9/21

N2 - A series of thorium(iv) (3, 4, 9, 10) and uranium(iv) (5, 6, 11, 12) complexes decorated with the unsymmetrical imidazolin-2-iminato ligands L1 and L2 were synthesized and found to be effective as catalysts in the transfer hydrogenation of aldehydes and ketones with 2-propanol to form the corresponding alcohols with good yields, representing a rare example for actinides as transfer hydrogenation catalysts with alcohols. The transfer hydrogenation of aldehydes and ketones was found to be selective, tolerating a wide range of other functional groups, including those prone to reduction, such as nitro, alkynes, and nitriles. The neutral imine ligand was found to be coordinated in the active catalyst along with the alkoxo group.

AB - A series of thorium(iv) (3, 4, 9, 10) and uranium(iv) (5, 6, 11, 12) complexes decorated with the unsymmetrical imidazolin-2-iminato ligands L1 and L2 were synthesized and found to be effective as catalysts in the transfer hydrogenation of aldehydes and ketones with 2-propanol to form the corresponding alcohols with good yields, representing a rare example for actinides as transfer hydrogenation catalysts with alcohols. The transfer hydrogenation of aldehydes and ketones was found to be selective, tolerating a wide range of other functional groups, including those prone to reduction, such as nitro, alkynes, and nitriles. The neutral imine ligand was found to be coordinated in the active catalyst along with the alkoxo group.

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Base-free transfer hydrogenation of aldehydes and ketones catalyzed by imidazolin-2-iminato actinide complexes

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