FIELD: chemistry.
SUBSTANCE: invention relates to a method of producing n-acetylaminophenol (paracetamol) of formula I . The method involves catalytic reduction of n-nitrosophenol in ethyl acetate while mixing with a Raney-Ni catalyst at hydrogen pressure of 2-4 atm at temperature of 20-50°C, followed by treatment of the obtained n-aminophenol with acetic anhydride and separating the end product.
EFFECT: improved method of producing n-acetylaminophenol.
Translated title of the contributionMETHOD OF PRODUCING n-ACETYLAMINOPHENOL: patent of invention
Original languageRussian
Patent number2495865
IPC C07C 231/10,C07C 233/25
Filing date10/07/2012
Publication statusPublished - 20 Oct 2013

ID: 12184005