Nano Magnetic Sulfated Zirconia (Fe3O4@ZrO2/SO42-) as a Solid Acid and Reusable Catalyst for the Protection of Hydroxyl Groups Under Solvent-Free Condition

Hossein Ghafuri; Afsaneh Rashidizadeh; Behnaz Ghorbani; Fatemeh Paravand

doi:10.3390/ecsoc-18-a012

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Nano Magnetic Sulfated Zirconia (Fe3O4@ZrO2/SO42-) as a Solid Acid and Reusable Catalyst for the Protection of Hydroxyl Groups Under Solvent-Free Condition

Hossein Ghafuri

^*,

Afsaneh Rashidizadeh

Behnaz Ghorbani

Fatemeh Paravand

¹ Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114

Published: 31 October 2014 by MDPI in The 18th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-18-a012

Abstract: Nano magnetic sulfated zirconia (Fe₃O₄@ZrO₂/SO₄^2-) can be used as a magnetic solid acid catalyst for the conversion of alcohols to their corresponding trimethylsilyl ethers with hexamethyldisilazane (HMDS) at room temperature under solvent-free condition. Various advantages associated with this protocol include simple work up procedure, short reaction times, high product yields and easy recovery and reusability of the catalyst.

Keywords: Nano magnetic sulfated zirconia; Trimethylsilyl ethers; Hexamethyldisilazane; protection; solvent-free condition

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Hossein Ghafuri

Afsaneh Rashidizadeh

Behnaz Ghorbani

Fatemeh Paravand