RSC Advances
Paper
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8 A. Seliverstov and C. Streb, Chem. Commun., 2014, 50, 1827.
9 C. L. Hill, Angew. Chem., Int. Ed., 2004, 43, 402.
10 Z. G. Han, X. Q. Chang, J. S. Yan, K. N. Gong, C. Zhao and
X. L. Zhai, Inorg. Chem., 2014, 53, 670.
11 D. L. Long, E. Burkholder and L. Cronin, Chem. Soc. Rev.,
2007, 36, 105.
´
12 L. S. Felices, P. Vitoria, J. M. Gutierrez-Zorrilla, S. Reinoso,
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13 P. J. Hagrman, D. Hagrman and J. Zubieta, Angew. Chem., Int.
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14 B. S. Bassil, M. H. Dickman, I. Romer, B. V. D. Kammer and
U. Kortz, Angew. Chem., Int. Ed., 2007, 46, 6192.
15 H. H. Yu, X. B. Cui, J. W. Cui, L. Kong, W. J. Duan, J. Q. Xu
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16 D. Y. Du, J. S. Qin, S. L. Li, Z. M. Su and Y. Q. Lan, Chem. Soc.
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17 A. Proust, R. Thouvenot and P. Gouzerh, Chem. Commun.,
2008, 1837.
Fig. 6 Powder X-ray diffraction (PXRD) patterns of 3: calculated
pattern from crystal data (blue line); experimental pattern before
catalysis (red line); recovered catalyst 3 after 3 catalytic runs of the
cyanosilylation of benzaldehyde (black line).
Conclusions
In summary, four novel hybrids based on Evans–Showell-type
POMs and zinc–organic units have been synthesized and char-
acterized, which represent the second examples of organic–inor-
ganic hybrid species constructed from Evans–Showell POMs and
transition metal complexes. Compounds 1–2 represent the rst
extended hybrid structure based on Evans–Showell-type POMs. In
compounds 1–4, hydrogen bonds and p/p interactions play
important roles in constructing 3D crystal supramolecular
frameworks. These new POM materials are efficient heteroge-
neous Lewis acid catalysts for cyanosilylation of various aldehyde
compounds under solvent-free conditions. The successful isola-
tion of these species certainly provokes researchers' interest to
develop new heterogeneous catalytic materials containing Evans–
Showell POMs and transition metal complexes.
´
18 P. Mialane, A. Dolbecq and F. Secheresse, Chem. Commun.,
2006, 3477.
19 J. Y. Niu, P. T. Ma, H. Y. Niu, J. Li, J. W. Zhao, Y. Song and
J. P. Wang, Chem.–Eur. J., 2007, 13, 8739.
20 Q. G. Zhai, X. Y. Wu, S. M. Chen, Z. G. Zhao and C. Z. Lu,
Inorg. Chem., 2007, 46, 5046.
¨
21 C. Ritchie, E. Burkholder, P. Kogerler and L. Cronin, Dalton
Trans., 2006, 14, 1712.
22 L. Lisnard, A. Dolbecq, P. Mialane, J. Marrot, E. Codjovi and
´
F. Secheresse, Dalton Trans., 2005, 24, 3913.
23 H. Liu, C. Qin, Y. G. Wei, L. Xu, G. G. Gao, F. Y. Li and
X. S. Qu, Inorg. Chem., 2008, 47, 4166.
24 X. S. Qu, L. Xu, G. G. Gao, F. Y. Li and Y. Y. Yang, Inorg.
Chem., 2007, 46, 4775.
25 X. L. Wang, Y. F. Bi, B. K. Chen, H. Y. Lin and G. C. Liu, Inorg.
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26 Y. Q. Lan, S. L. Li, Z. M. Su, K. Z. Shao, J. F. Ma, X. L. Wang
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27 C. D. Zhang, S. X. Liu, C. Y. Sun, F. J. Ma and Z. M. Su, Cryst.
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Acknowledgements
The authors thank the National Natural Science Foundation of
China (21371027, 21274015, 20901013), Natural Science Foun-
dation of Liaoning Province (2015020232) and Fundamental
Research Funds for the Central Universities (DUT15LK02,
DUT15LN18) for nancial support.
28 B. Liu, Z. T. Yu, J. Yang, W. Hua, Y. Y. Liu and J. F. Ma, Inorg.
Chem., 2011, 50, 8967.
29 H. Y. Liu, J. Yang, Y. Y. Liu and J. F. Ma, Dalton Trans., 2012,
41, 9922.
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92102 | RSC Adv., 2016, 6, 92092–92103
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