4
18 J. Chin. Chem. Soc., Vol. 56, No. 2, 2009
Safaei-Ghomi and Hajipour
1
6. Wasserscheid, P.; Keim, W. Angew. Chem. Int. Ed. 2000, 39,
tored by TLC. After completion of reaction which was in-
dicated by TLC, the reaction mixture was diluted with ether
3
773.
1
1
7. Welton, T. Chem. Rev. 1999, 99, 2071.
(
4 ´ 5 mL) and filtered to remove the solids. Ionic liquid
8. Zhu, H. P.; Yang, F.; Tang, J.; He, M. Y. Green Chem. 2003,
phase was recovered for further uses, the solvent was evap-
orated under reduced pressure and the mixture of the prod-
ucts was purified by the thick layer chromatography method
5
, 38.
1
9. Lu, N.; Chen, J. Y.; Fan, C. W.; Lin, Y. C.; Wen, Y. S.; Liu, L.
K. J. Chin Chem. Soc. 2006, 53, 1517.
(
EtOAC: petroleum ether, 1:9). For example, 4-chloro-
20. Bates, E. D.; Mayton, R. D.; Ntai, I.; Davis, J. H. J. Am.
Chem. Soc. 2002, 124, 926.
benzaldehydeoxime was converted to 4-chlorobenzalde-
3
8
21. Sun, I. W.; Wu, S. Y.; Su, C. H.; Shu, Y. L.; Wu, P. L. J. Chin
Chem. Soc. 2004, 51, 367.
hyde in 94%, mp 45-46 °C (lit. : 47).
Received June 11, 2008.
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