Methods for the production and purification of di (nitrophenyl)

Details Methods for the production and purification of di (nitrophenyl) Methods for the production and purification of di (nitrophenyl)

1985-09-30

1987-10-13

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 43275, C07C 7935

Patent

active

047000112

ABSTRACT:
Di(nitrophenyl) ethers are prepared by the reaction of a halogeno-nitrophenyl compound with a base wherein the water in the reaction system is removed during the reaction. The reaction can be advantageously carried out at two different temperatures. The use of a molar excess of the halogeno-nitrophenyl compound improves the yield of di(nitrophenyl) ether. Crude di(nitrophenyl) ether is purified by extraction into a non-aqueous solvent using a dual temperature method to maintain the ether in the liquid phase.

REFERENCES:
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patent: 3192263 (1965-06-01), Splegler
patent: 3387041 (1968-06-01), Oscar
patent: 3422154 (1969-01-01), Lauclus
patent: 3442956 (1969-05-01), Sheets
patent: 3634519 (1972-01-01), Bentz et al.
Morton, Laboratory Technique in Organic Chemistry (1938).

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