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4-Aminophenol is a building block used in organic chemistry. Prominently, it is the final intermediate in the industrial synthesis of paracetamol. Treating 4-aminophenol with acetic anhydride gives paracetamol: [8] [9] [10] It is a precursor to amodiaquine, mesalazine, AM404, parapropamol, B-86810 & B-87836 (c.f. WO 2001042204 ).
4-Aminophenol may be obtained by the amide hydrolysis of paracetamol. This reaction is also used to determine paracetamol in urine samples: After hydrolysis with hydrochloric acid, 4-aminophenol reacts in ammonia solution with a phenol derivate, e.g. salicylic acid, to form an indophenol dye under oxidization by air. [139]
AM404, also known as N-arachidonoylphenolamine, [1] [2] is an active metabolite of paracetamol (acetaminophen), responsible for all or part of its analgesic action [3] and anticonvulsant effects. [4] Chemically, it is the amide formed from 4-aminophenol and arachidonic acid. AM404 is one of the AM cannabinoids discovered by Alexandros ...
The active ingredient of its original flagship product is paracetamol (known in the United States, Canada, and various other countries as acetaminophen), an analgesic and antipyretic. Like the words paracetamol and acetaminophen, the brand name Tylenol is derived from a chemical name for the compound, N-acetyl-para-aminophenol (APAP). [1]
Paracetamol (or acetaminophen), an analgesic drug, also known as APAP from its chemical name N-acetyl-para-aminophenol; Automatic Positive Airway Pressure, a medical device used to treat breathing disorders like sleep apnea
Every helpful hint and clue for Wednesday's Strands game from the New York Times.
4-Nitrophenol is an intermediate in the synthesis of paracetamol. It is reduced to 4-aminophenol, then acetylated with acetic anhydride. [6] 4-Nitrophenol is used as the precursor for the preparation of phenetidine and acetophenetidine, indicators, and raw materials for fungicides. Bioaccumulation of this compound rarely occurs.
The U.S. National Retail Federation, which is chaired by Walmart's top U.S. executive, John Furner, said in October that holiday spending in the last two months of the year was expected to grow by ...
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