In the reaction esterification 2- (N-acetylamid)-3- (3 ’, 5 '-di-tert.butyl-4 '-hydroxyphenyl) propionic acid by alcohols (MeOH, Et ОН , isoPrOH, n-BuOH, n-C 9H 17OH) in the presence of SOCl 2 5 antioxidants with yields of 90-94 % are synthesised. Antioxidative properties of compounds on value к 7 at level 2.10 6 l.mol -1.s -1 that above, than for methyl ester (3 ’, 5 '-di-tert.butyl-4 '-hydroxyphenyll) propionic acid ( к 7 =2.10 4 l.mol -1.s -1). Are executed quantovo-chemical calculations of structure of methyl ester 2-(N-acetylamid)-3-(3 ’, 5 '-di-tert.butyl-4 '-hydroxyphenyl) propionic aci d which explain communication of entropy and structure with antioxidative properties.
2-(N-ацетиламид)-3-(3’,5’-ди-трет.бутил-4’-гидроксифенил)пропионовая кислота, этерификация, антиоксидант, 2- (N- acetylamid)-3- (3 ’, 5 '- di-tert.butyl -4 '-hydroxyphenyl) propionic acid, esterification, antioxidant
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