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Adapted from Ellis, Frank (2002) Paracetamol: a curriculum resource, Cambridge: Royal Society of Chemistry ISBN: 0-85404-375-6. Author: WhiteTimberwolf, PNG version: Rifleman 82: Permission (Reusing this file)
English: The direct, one-pot synthesis of paracetamol from hydroquinone and ammonium acetate as described in Green Chem., 2014,16, 2997-3002 Date 31 January 2021
Paracetamol, [a] or acetaminophen, [b] is a non-opioid analgesic and antipyretic agent used to treat fever and mild to moderate pain. [13] [14] [15] It is a widely available over-the-counter drug sold under various brand names, including Tylenol and Panadol. Paracetamol relieves pain in both acute mild migraine and episodic tension headache.
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Morse's cited article describes the synthesis of paracetamol from 4-aminophenol and acetic acid. [6] Phenacetin may be synthesized as an example of the Williamson ether synthesis: ethyl iodide, paracetamol, and anhydrous potassium carbonate are heated in 2-butanone to give the crude product, which is recrystallized from water. [7]
An industrial synthesis of paracetamol developed by Hoechst–Celanese involves the conversion of a methyl ketone to an acetanilide via a Beckmann rearrangement. [ 15 ] The thermal rearrangement that occurs in the synthesis of ketamine was claimed to be a Beckmann rearrangement according to: url .
A process flow diagram (PFD) is a diagram commonly used in chemical and process engineering to indicate the general flow of plant processes and equipment. The PFD displays the relationship between major equipment of a plant facility and does not show minor details such as piping details and designations.
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