L-Pyrrolidine-2-Carboxylic Acid-4-Hydrogen Sulfate (Supported on Silica Gel) as a New and Efficient Catalyst for Acylation of Alcohols, Phenols and Amines Under Solvent-Free Conditions

ISSN: 1875-6255 (Online)
ISSN: 1570-1786 (Print)


Volume 11, 10 Issues, 2014


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Letters in Organic Chemistry

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Miguel Yus
Universidad de Alicante Apdo
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L-Pyrrolidine-2-Carboxylic Acid-4-Hydrogen Sulfate (Supported on Silica Gel) as a New and Efficient Catalyst for Acylation of Alcohols, Phenols and Amines Under Solvent-Free Conditions

Author(s): Maryam Hajjami, Arash Ghorbani-Choghamarani and Zahra Khani

Affiliation: Department of Chemistry, Faculty of Science, Ilam University, P.O. Box 69315516, Ilam, Iran.

Abstract

In the present work, L-pyrrolidine-2-carboxylic acid-4-hydrogen sulfate, supported on silica gel was prepared and characterized by Mass spectroscopy, 1H NMR, 13CNMR, FT IR and elemental analysis (CHN) methods. This heterogenized catalyst can be used as an efficient catalyst for the acylation of alcohols, phenols, and amines with acetic anhydride under mild and solvent-free conditions. Simple work-up, stability of the catalyst, nontoxicity and good to high yields are the advantages of this work.

Keywords: Acylation, L-pyrrolidine-2-carboxylic acid-4-hydrogen sulfate, Acetic anhydride, Alcohol, Phenol, Amine.

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Article Details

Volume: 10
Issue Number: 5
First Page: 324
Last Page: 329
Page Count: 6
DOI: 10.2174/1570178611310050004
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