Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 403-54-3, name is 3-Fluorobenzonitrile, This compound has unique chemical properties. The synthetic route is as follows., 403-54-3
a. 3-Cyano-4-nitrofluorobenzene m-Fluorobenzonitrile (96.8 g., 0.8 mole) is added in two and one-half hours to a mixture of concentrated sulfuric acid (600 ml.) and potassium nitrate (80.9 g., 0.8 mole) at 3-6 C., then allowed to warm to 25 C. The mixture is poured over cracked ice (3000 ml.), extracted with chloroform (5 * 250 ml.), dried and the solvent removed. The residue is extracted with pentane and dried to give 3-cyano-4-nitrofluorobenzene (115 g., 86.5%) m.p. 102-104 C.
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Reference:
Patent; Rohm and Haas Company; US4063929; (1977); A;; ; Patent; Rohm and Haas Company; US4093446; (1978); A;; ; Patent; Rohm and Haas Company; US4046798; (1977); A;,
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