Abstract
This review deals with the catalytic performance of sulfate, molybdate and tungstate ion promoted zirconia solid acid catalysts for various acid-catalyzed organic synthesis and transformation reactions in the liquid phase. These promoted zirconia catalysts exhibit superacidity which mainly depends on the preparation conditions. In particular, the sulfated zirconia catalyst exhibits very strong solid acidity and excellent catalytic activity not only for simple acylation, condensation and esterification reactions but also for other important reactions such as synthesis of aromatic gem-dihalides, stereocontrolled glycosidation, regioselective ring opening of aziridines, production of diaryl sulfoxides and so on. Molybdate and tungstate promoted zirconia catalysts that also exhibit good catalytic activity for various organic reactions of practical importance.
Keywords: Aromatic Aldehydes, Esterification, Alkylation, Stereocontrolled Glycosidation, Aziridines
Current Organic Chemistry
Title: Promoted Zirconia Solid Acid Catalysts for Organic Synthesis
Volume: 12 Issue: 2
Author(s): Benjaram M. Reddy and Meghshyam K. Patil
Affiliation:
Keywords: Aromatic Aldehydes, Esterification, Alkylation, Stereocontrolled Glycosidation, Aziridines
Abstract: This review deals with the catalytic performance of sulfate, molybdate and tungstate ion promoted zirconia solid acid catalysts for various acid-catalyzed organic synthesis and transformation reactions in the liquid phase. These promoted zirconia catalysts exhibit superacidity which mainly depends on the preparation conditions. In particular, the sulfated zirconia catalyst exhibits very strong solid acidity and excellent catalytic activity not only for simple acylation, condensation and esterification reactions but also for other important reactions such as synthesis of aromatic gem-dihalides, stereocontrolled glycosidation, regioselective ring opening of aziridines, production of diaryl sulfoxides and so on. Molybdate and tungstate promoted zirconia catalysts that also exhibit good catalytic activity for various organic reactions of practical importance.
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Cite this article as:
Reddy M. Benjaram and Patil K. Meghshyam, Promoted Zirconia Solid Acid Catalysts for Organic Synthesis, Current Organic Chemistry 2008; 12 (2) . https://dx.doi.org/10.2174/138527208783330019
DOI https://dx.doi.org/10.2174/138527208783330019 |
Print ISSN 1385-2728 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5348 |
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