Preparation of isophorone diamine

Details Preparation of isophorone diamine Preparation of isophorone diamine

1994-09-12

1996-02-13

Hollrah, Glennon H.

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

Organic compounds

Nitriles

564446, 564448, 564455, C07C20924, C07C20948, C07C20952

Patent

active

054912644

ABSTRACT:
Isophorone diamine is prepared from isophorone nitrile by imination using a supported heteropoly acid catalyst to form the ketimine followed by the reduction of the ketimine to form the diamine.

REFERENCES:
patent: 4536577 (1985-08-01), Yoshida et al.
patent: 5371292 (1994-12-01), Merger et al.
patent: 5395972 (1995-03-01), Furutani et al.

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