Iridium catalyzed acceptor-less dehydrogenative coupling of alcohols and 4-hydroxy-6-methyl-2-pyrone under microwave conditions

Proud, Mitchell; Sridharan, Visuvanathar

doi:10.1016/j.tetlet.2015.10.034

Cited by 4 publications

(1 citation statement)

References 32 publications

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“…Then, the environmentally acceptable oxidants, such as molecular oxygen, − hydrogen peroxide, − or acetone, − were developed for the oxidation of alcohols in various transition metal catalyzed systems. The recently developed oxidant-free or acceptor-free oxidation via the catalytic dehydrogenation of alcohols with hydrogen generation is more competitive in atom economy and environmental concerns. , To date, several catalytic systems of rhodium, , ruthenium, − and iridium − have been reported for the dehydrogenative oxidation of alcohols. However, these catalytic reactions suffer from drawbacks, such as hard catalyst synthesis and manipulation, acid or base additives, and under reflux in organic solvents. − Instead of organic solvents, water is a greener solvent from the standpoint of green chemistry, especial in large-scale industry work.…”

Section: Introductionmentioning

confidence: 99%

Small Size Rh Nanoparticles in Micelle Nanostructure by Ionic Liquid/CTAB for Acceptorless Dehydrogenation of Alcohols Only in Pure Water

Lin

Zhao

Lee

2017

ACS Sustainable Chem. Eng.

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Ultrasmall size Rh nanoparticles were synthesized and stabilized by the complex of cetyltrimethylammonium bromide and water-soluble ionic liquid molecules. The new catalytic system shows excellent catalytic activity in the oxidation of alcohols to aldehydes or ketones only in pure water through acceptorless dehydrogenation. It is atom economic, clean and green in the synthesis of aldehydes or ketones and H2 production at the same time.

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