Magnetic nanoparticle γ‐Fe 2 O 3 ‐immobilized 1,5,7‐triazabicyclo[4.4.0]dec‐5‐ene as a highly recyclable and efficient nanocatalyst for the synthesis of α′‐oxindole‐α‐hydroxyphosphonates | Zendy

Yang Xiao Juan | Zendy

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Magnetic nanoparticle γ‐Fe 2 O 3 ‐immobilized 1,5,7‐triazabicyclo[4.4.0]dec‐5‐ene as a highly recyclable and efficient nanocatalyst for the synthesis of α′‐oxindole‐α‐hydroxyphosphonates

Author(s) -

Yang Xiao Juan

Publication year - 2014

Publication title -

applied organometallic chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.53

H-Index - 71

eISSN - 1099-0739

pISSN - 0268-2605

DOI - 10.1002/aoc.3147

Subject(s) - chemistry , ene reaction , reagent , oxindole , catalysis , nanoparticle , magnetic nanoparticles , solvent , combinatorial chemistry , nuclear chemistry , nanotechnology , organic chemistry , materials science

Magnetic nanoparticle γ‐Fe 2 O 3 ‐immobilized 1,5,7‐triazabicyclo[4.4.0]dec‐5‐ene as a novel magnetic nanocatalyst was synthesized and characterized. The nanoparticle reagent catalyzed efficiently the synthesis of α′‐oxindole‐α‐hydroxyphosphonates from isatins and dimethyl phosphate under solvent‐free conditions at 60 °C. More importantly, the catalyst could be easily recovered by an external magnet and reused six times without significant loss of activity. Copyright © 2014 John Wiley & Sons, Ltd.

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