[EN] A PROCESS FOR PREPARATION OF 4-ACETYL-1-NAPHTHOIC ACID OR ITS DERIVATIVE THEREOF [FR] PROCÉDÉ DE PRÉPARATION D'ACIDE 4-ACÉTYL-1-NAPHTOÏQUE OU DE SON DÉRIVÉ
摘要:
The present invention relates to a process for the preparation of 4-acetyl-1-naphthoic acid or its derivatives of formula (I) where R is hydrogen or C1-C4alkyl, using novel compounds. The invention further relates to use of compound (I) for the preparation of Afoxolaner.