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With aluminum (III) chloride; at 85 - 97℃; for 2h;
Fluorobenzene 100 parts by weight a molecular sieve (Molecular sieve 3A beads 4-8 mesh, aldrich) have a water 0.1 parts by weight was filtering after time 1. Bead type in 30 nm pore size from said molecular sieve has (pore size) was employed. Furthermore, fluorobenzene filtered to reacted at ambient 248.86 g are input, in an aluminum chloride (AlCl3) 74.67 g 200 rpm was turned on is set in agitating section. After this filtered fluorobenzene 35.55 g and of 42.28 g chloride tree tree carbonyl benzene 1, 3, 5-10 minutes the solution was blended input. After completion blended with internal temperature 85 C or more reflux is 97 C temperature external connection is set up between the temperature inside an item to be heated to elevated temperature section. From the view point to the Reflux 2 after a time the cooled down to the normal temperature. Thus-obtained reaction solution at a blended for (ethanol) 568.8 g ethanol yields particles. After crystallization dope the n bit parallel data inputted filtration, 142.2 g ethanol at 5 times the tube. A particle produced 80 C the vacuum drying in a destination blanker obtained. Blanker been to obtain wife 65.93 g, yield is 92.7%, the purity of 99.96% (HPLC Area %) power is fed, was white color