New Journal of Chemistry
Page 4 of 4
COMMUNICATION
DOI: 10.1039/C5NJ01507C
In conclusion, the nanoreactor PMoA/MCM-41 could
catalyze aza-Michael reactions efficiently and influence the
resulting chemical equilibrium. Pores and suitable polarities were
necessary but insufficient conditions for the reaction to proceed.
PMoA/MCM-41 is not merely a heterogeneous catalyst but also
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a
special microreaction environment. The effects of
PMoA/MCM-41 in other similar reactions should be determined
in future experiments.
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6
For selected examples under neat conditions, see: (a) B. Karimi, M.
Experimental
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Typical synthetic procedure (with 3a as an example): A solution of
benzohydrazide (0.0204g, 1.5 mmol), (E)-(2-nitrovinyl) benzene (0.0149
g, 1 mmol), PMoA/MCM-41 (0.0030 g) were stirred at r.t. in metha-nol
(0.5 mL) for 6 h. After completion of the reaction, as indicated by TLC,
the reaction mixture was concentrated under reduced pressure. The
residue was directly purified by chromatography to afford the product 3a
as a white solid.
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Acknowledgements
We thank the National Natural Science Foundation of China
(Nos. 21162026, 21262034 and 21362036) and Doctoral Fund of
Xinjiang University (No. BS110111). We also thank Xinjiang
University Analytical & Testing Center for instrumental analyses
and Adamas-beta Chemical Co. for all chemical reagents.
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13 For detailed information, see the Supporting Information.
4 | J. Name., 2012, 00, 1-3
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