INTERMEDIATE COMPOUNDS USEFUL IN THE PREPARATON OF 1-(SUBSTITUTED PHENYL)-2-PYRIDONES

A compound of formula (I) wherein R , R , R and R are independently selected from hydrogen, halogen, lower alkyl optionally substituted by halogen, lower alkoxy optionally substituted by halogen and lower alkenyl optionally substituted by halogen; R is halogen, amino, mono- or di(lower alkyl)-amino,...

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Hauptverfasser: TREVOR ROBERT PERRIOR, DAVID JOSZEF TAPOLCZAY
Format: Patent
Sprache:eng
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