Nitrile purification

Details Nitrile purification Nitrile purification

1983-08-29

1985-09-17

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465R, 260465D, 260465E, 260465F, 260465H, C07C12166

Patent

active

045419612

ABSTRACT:
Nitriles, such as 2-(2-fluoro-4-biphenyl)propionitrile, contaminated with ketones having similar boiling points are purified by treating the nitrile/ketone mixture with an alkali metal borohydride, e.g., sodium borohydride, to complex the ketone. After complexing of the ketone, the nitrile can be separated therefrom by distillation.

REFERENCES:
patent: 4370278 (1983-01-01), Stahly et al.

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