Synthesis of ortho ‐Hydroxybenzophenones Catalyzed by Magnetically Retrievable Fe 3 O 4 Nanoparticles under Ligand‐Free Conditions

ortho ‐Benzoylation of phenols with aryl aldehydes to afford the substituted 2‐hydroxybenzophenones can be catalyzed efficiently by Fe 3 O 4 nanoparticles under ligand‐free conditions. This method is useful for the preparation of xanthones in good yields. The catalyst can be magnetically removed and...

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Published in:European journal of organic chemistry 2013-09, Vol.2013 (27), p.6021-6026
Main Authors: Ramani, Thekkathu, Umadevi, Paspulati, Prasanth, K. Leon, Sreedhar, Bojja
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Language:English
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description ortho ‐Benzoylation of phenols with aryl aldehydes to afford the substituted 2‐hydroxybenzophenones can be catalyzed efficiently by Fe 3 O 4 nanoparticles under ligand‐free conditions. This method is useful for the preparation of xanthones in good yields. The catalyst can be magnetically removed and recycled easily over four cycles without a significant decrease in activity.
doi_str_mv 10.1002/ejoc.201300909
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title Synthesis of ortho ‐Hydroxybenzophenones Catalyzed by Magnetically Retrievable Fe 3 O 4 Nanoparticles under Ligand‐Free Conditions
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