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 …
M Hajjami, A Ghorbani-Choghamarani…
Index: Hajjami, Maryam; Ghorbani-Choghamarani, Arash; Khani, Zahra Letters in Organic Chemistry, 2013 , vol. 10, # 5 p. 324 - 329
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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 ...
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