S. Zhi
2001
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Journal
Fine chemicals
Abstract
Fluorobenzonitrile(4 FBN) was prepared by fluorination of 4 chlorobenzonitrile(4 CBN) with potassium fluoride using 1,3 dimethyl 2 imidazolidone (DMI) as a non polar solvent.The optimum synthetic conditions were n (4 CBN)∶ n (KF)=1∶3,reaction temperature 280 ℃ and reaction time 2 0 h.The yield of 4 FBN was 89 5% and the purity was 99 0%.