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Journal of Carbohydrate Chemistry Volume 26, 2007 - Issue 5-6
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Original Articles

MAOS of D‐Gluconic Acid, D‐Glucono‐1,4‐ and 1,5‐Lactones, Esters, Hydrazides, and Benzimidazoles ThereofFootnote

E. S. H. El Ashry Faculty of Science, Chemistry Department, Alexandria University, Alexandria, EgyptCorrespondence[email protected]
,
L. F. Awad Faculty of Science, Chemistry Department, Alexandria University, Alexandria, Egypt
,
H. Abdel Hamid Faculty of Science, Chemistry Department, Alexandria University, Alexandria, Egypt
&
A. I. Atta Faculty of Science, Chemistry Department, Alexandria University, Alexandria, Egypt
Pages 329-338 | Received 25 Nov 2006, Accepted 22 Jun 2007, Published online: 31 Aug 2007
 
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Microwave‐assisted organic synthesis (MAOS) of D‐gluconic acid can be efficiently done by oxidation of D‐glucose with bromine water, upon irradiation with microwave (MW). It was also used for the conversion of D‐gluconic acid to ethyl D‐gluconate, D‐glucono‐1,4‐ and 1,5‐lactones, gluconyl hydrazide, and gluconyl phenylhydrazide in yields comparable to those obtained by conventional methods, but in much shorter times. A convenient microwave‐mediated condensation of D‐gluconic acid with o‐phenylenediamines provided the respective acyclonucleoside benzimidazole in short time and good yield.

Notes

A. I. Atta is on leave from Faculty of Medical Sciences, Al-Hodiedah University, Yemen.

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