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W. Steglich and G. Hofle, “N,N-Dimethyl-l-pyridine Amine, A Very Effective Acylation Catalyst,” Angewandte Chemie International Edition England, Vol. 8, No. 12, 1969, p. 981.

has been cited by the following article:

• TITLE: Glycerol-Based Carbon-SO3H Catalyzed Benign Synthetic Protocol for the Acetylation of Alcohols, Phenols and Amines under Solvent-Free Conditions

  AUTHORS: Katakam N. Gangadhar, Manneganti Vijay, Rachapudi Badari Narayana Prasad, Bhetala Lakshmi Anu Prabhavathi Devi

  KEYWORDS: Acetylation; Glycerol-Based Carbon-SO3H Catalyst; Solvent-Free Method; Alcohols; Phenols; Amines

  JOURNAL NAME: Green and Sustainable Chemistry, Vol.3 No.2, May 28, 2013

  ABSTRACT: A simple and efficient solvent-free method was developed for the acetylation of alcohols, phenols and amines in excellent yields employing glycerol-based sulfonic acid (-SO3H) functionalized carbon catalyst under environmentally benign reaction conditions. The salient features of this protocol are the short reaction time, ease of product isolation and reusability of the carbon catalyst.