Article
Khosravi et al.
General procedure for the esterification of aromatic
aldehydes
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1. M. Tamura, T. Tonomura, K. I. Shimizu, A. Satsuma,
A mixture of aldehyde (1 mmol), alcohol (2 mL),
acetic acid (glacial, 0.1 mmol), and UDHPP (1 mmol)
was stirred at room temperature. After the peroxide
was dissolved, HBr (47% aq., 0.1 mmol) was added.
After the completion of the reaction, as monitored by
TLC, the mixture was diluted with saturated NaCl
Green Chem. 2012, 14, 984.
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solution (5 mL) and extracted with CHCl (3 × 5 mL).
3
Then the organic layer was separated, dried over anhy-
drous Mg SO , and evaporated under reduced pressure.
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The residue was purified by silica-packed column chro-
matography (hexane–EtOAc) to afford pure epoxides
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(Table 2). Products were characterized on the basis of
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their melting points, elemental analysis, and IR, H-
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1,8,28,42
NMR, and C-NMR spectroscopy.
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ACKNOWLEDGMENT
The authors wish to thank Arak University for the
scientific and instrumental support.
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2. J. Zhao, C. Mueck-Lichtenfeld, A. Studer, Adv. Synth.
Catal. 2013, 355, 1098.
Supporting information
Additional supporting information is available in
the Appendix S1.
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