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Samarium redox catalysis
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Samarium (Sm) is one of the most important rare earth elements that have flexible entry to dual oxidation states (+3 and +2) under standard laboratory conditions, which has made it extremely valuable in chemical synthesis. Sm(II) reagents are widely used as versatile and stoichiometric reductants in organic synthesis. However, the use of a huge amount of metal salts and organic solvents causes cost and environmental issues, making Sm(II) reagents not potentially applicable to large-scale or industrial reactions. Therefore, the development of samarium-catalyzed reactions involving Sm(III)/Sm(II) redox cycling is of great importance. In this review, we summarize the state-of-the-art research on samarium redox catalysis. The key step of the redox cycle is the Sm(III)-to-Sm(II) reduction, which has thus far been enabled by various methods that will be outlined.
Title: Samarium redox catalysis
Description:
Samarium (Sm) is one of the most important rare earth elements that have flexible entry to dual oxidation states (+3 and +2) under standard laboratory conditions, which has made it extremely valuable in chemical synthesis.
Sm(II) reagents are widely used as versatile and stoichiometric reductants in organic synthesis.
However, the use of a huge amount of metal salts and organic solvents causes cost and environmental issues, making Sm(II) reagents not potentially applicable to large-scale or industrial reactions.
Therefore, the development of samarium-catalyzed reactions involving Sm(III)/Sm(II) redox cycling is of great importance.
In this review, we summarize the state-of-the-art research on samarium redox catalysis.
The key step of the redox cycle is the Sm(III)-to-Sm(II) reduction, which has thus far been enabled by various methods that will be outlined.
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