Process for recovering cuprous iodide catalyst used in synthesis

Details Process for recovering cuprous iodide catalyst used in synthesis Process for recovering cuprous iodide catalyst used in synthesis

1987-10-26

1989-04-25

Brust, Joseph Paul

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

558376, 558425, 560100, C07C12162, C07C 6976

Patent

active

048249882

ABSTRACT:
In a process for preparing a (trifluoromethyl)napthalene by reacting a halonapthalene with a trifluoroacetate in the presence of cuprous iodide and a dipolar aprotic solvent and separating out the inorganic ingredients of the final reaction mixture in the recovery of the product, the cuprous iodide is recovered by washing the separated inorganic ingredients with an alcohol and a carboxylic acid and then with water to purify the cuprous iodide.

REFERENCES:
patent: 4439617 (1984-03-01), Sestanj et al.
patent: 4590010 (1986-05-01), Ramachandran et al.
Matsui et al., "Chem. Letters", Chemical Society of Japan, (1981); pp. 1719-1720.

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