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Dalton Transactions
Page 10 of 11
DOI: 10.1039/C5DT04969E
ARTICLE
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Scheme 3 A plausible mechanism for the supported Cu (I) - mediated synthesis of α-
ketoamides
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4 Conclusions
In conclusion, a simple and efficient heterogeneous catalyst
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material SBA-16, has been successfully prepared and used in
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the direct oxidative synthesis of α-ketoamides via a one-pot
process without other additives. The notable features of the
reactions are moderate to good yields, readily available
starting materials, mild conditions and utilization of air as the
oxygen source (instead of an O2 balloon). Especially, the
reusability of reaction, achieving the aims of easily recovering,
keeping stable catalytic activity, environment protection and
energy conservation, provides
ketoamides.
a novel approach to α-
Physical data of compounds isolated
1-phenyl-2-(piperidin-1-yl)ethane-1,2-dione (3aa) yellowish oil
1H NMR (CDCl3, 400 MHz, ppm):δ = 7.97-7.95 (d, J = 7.4 Hz, 2H),
7.67-7.63 (t, J = 7.4 Hz, 1H), 7.54-7.51 (t, J = 7.7 Hz, 2H), 3.72
(m, 2H), 3.32-3.29 (t, J = 5.6 Hz, 2H), 1.72-1.70 (m, 4H), 1.56 (m,
2H);
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Acknowledgement
This work was supported by the Fundamental Research Funds
for the Central Universities (Grant No.lzujbky-2015-16)
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10 | J. Name., 2012, 00, 1-3
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