Patent ID: 6242654
Filing Date: 2001-06-05
Classification: C07B,C07C

Abstract:
A preparation process comprising reacting a compound represented by the formula (1) ##STR25##wherein M is an alkali metal or alkaline earth metal atom, a and b are an integer of 1 to 5 and can be the same or different and a+b is 6 or less, and X.sub.1 is a mono-valent group selected from the group consisting of a halogen atom, an alkyl, alkoxy, aryl, aryloxy, nitro, cyano, acyl, per-halogenated alkyl and per-halogenated alkoxy, with an organic fluorinating agent represented by the formula (5-1); ##STR26##wherein R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are an alkyl or aryl group having 1 to 6 carbon atoms and can be the same or different, R.sub.2, and R.sub.3 or R.sub.4 and R.sub.6 can bond to form a ring having a nitrogen atom or a nitrogen atom and other hereto atom, R.sub.2 and R.sub.4 can bond to form a ring having a nitrogen atom or a nitrogen atom and other hereto atoms, to prepare a fluorine substituted aromatic compound represented by the formula (4); ##STR27##wherein a, b, and X.sub.1 are the same as the above formula (1).