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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 35, 2005 - Issue 17
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Original Articles

Dowex Polymer–Mediated Protection of Carbonyl Groups

Khodabakhsh Niknam Chemistry Department, Faculty of Sciences, Persian Gulf University, Bushehr, IranCorrespondence[email protected]
,
Ali Reza Kiasat Chemistry Department, College of Science, Shahid Chamran University, Ahvaz, Iran
&
Sadegh Karimi Chemistry Department, Faculty of Sciences, Persian Gulf University, Bushehr, Iran
Pages 2231-2236 | Received 19 Oct 2004, Published online: 18 Aug 2006
 
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Abstract

Dowex (strongly acidic cationic exchange resin) polymer is employed as solid acid catalyst for the clean and less hazardous protection of carbonyl compounds as phenylhydrazones and 2,4‐dintrophenylhydrazones in ethanol under reflux conditions. The reactions proceed very smoothly and the yields of the derivatives are excellent.

Acknowledgments

Authors acknowledge the partial support of this work by Persian Gulf University Research Council.

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Related Research Data

N-(2,4-Dinitro-phen-yl)-N'-(1-p-tolyl-ethyl-idene)hydrazine.
Source: (:unav)
2-Methoxy­benzaldehyde 2,4-dinitro­phenyl­hydrazone
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