Communication
RSC Advances
Aer completion of the reaction (aer 1 h, monitored by TLC),
the product was dissolved in CH2Cl2 to remove the catalyst by an
J. Bessiere, B. Marouf and S. Sebti, American Journal of
Biological, Chemical and Pharmaceutical Sciences, 2013, 1, 28.
external magnet. Aer drying the precipitate, it was 12 T. S. Jin, J. C. Xiao, S. J. Wang and T. S. Li, Ultrason.
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Conclusions
Finally, we have supported basic L-arginine on the magnetic
nanoparticles without using any supplemental linkers. An
ultrasound assisted and efficient method has been developed
for the synthesis chromenes in the presence of magnetically
basic catalyst. The cooperation between ultrasound and sup-
ported magnetic nanoparticles has caused enhanced reaction
rates, the synthesis of chromene derivatives. We also investi-
gated the reaction times and yields for the Fe3O4@L-arginine
MNPs catalyzed synthesis of chromenes under thermal condi-
tions, which were comparable. The use of Fe3O4@L-arginine
MNPs, which can be separated from the reaction mixture, short
reaction times, and excellent isolated yields cause this meth-
odology an improved practical alternative to synthesis chro-
mene derivatives.
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