Purification of 2-amino-2,4-dimethyl-4-methoxy pentanenitrile

Details Purification of 2-amino-2,4-dimethyl-4-methoxy pentanenitrile Purification of 2-amino-2,4-dimethyl-4-methoxy pentanenitrile

1977-11-14

1979-01-02

Brust, Joseph Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260192, C07C12000, C07C12143

Patent

active

041327292

ABSTRACT:
Process for removing water from a solution of water in 2-amino-2,4-dimethyl-4-methoxy pentanenitrile comprising treating said pentanenitrile solution with sufficient ammonia to form an ammonia concentration in the ammonia-water composition of at least 18% by weight at from 0.degree. to 50.degree. C, to cause an aqueous layer and a pentanenitrile layer to form, separating the pentanenitrile layer and the aqueous layer and then optionally removing ammonia from the pentanenitrile layer and optionally reacting the pentanenitrile with substantially no ammonia in the presence of a metal hypochlorite and a surfactant to prepare 2,2'-azobis(2,4-dimethyl-4-methoxy pentanenitrile).

REFERENCES:
patent: 3541132 (1970-11-01), Knowles
patent: 4028345 (1977-06-01), Moore, Jr.

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