Recovery of a (trifluoromethyl)-naphthalene

Details Recovery of a (trifluoromethyl)-naphthalene Recovery of a (trifluoromethyl)-naphthalene

C - Chemistry, Metallurgy

07

C

260/472.4, 260/4

C07C 69/76 (2006.01) B01J 27/122 (2006.01) C07C 67/30 (2006.01) C07C 69/94 (2006.01) C07C 255/52 (2006.01) C07C 255/54 (2006.01)

Patent

CA 1282790

Abstract A (trifluoromethyl)naphthalene which has been prepared by reacting a halonaphthalene with a trifluoro- acetate salt in the presence of cuprous iodide and a dipolar aprotic solvent is recovered by (1) replacing the dipolar aprotic solvent in the final reaction mixture with an alkane containing 6-12 carbons, (2) heating the resultant slurry to a temperature sufficient to dissolve the organic ingredients, (3) allowing the inorganic ingredients of the slurry to settle, (4) decanting the organic layer, and (5) cooling to precipitate the (trifluoromethyl)naphthalene.

558119

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