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Letters in Organic Chemistry


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

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

Volume 10, Issue 5, 2013

Page: [324 - 329] Pages: 6

DOI: 10.2174/1570178611310050004

Price: $65


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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