Process for the preparation in a single stage of saturated omega

Details Process for the preparation in a single stage of saturated omega Process for the preparation in a single stage of saturated omega

1976-02-17

1977-10-18

Douglas, Winston A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260534R, C09F 500, C11C 300

Patent

active

040545881

ABSTRACT:
The specification describes a process for preparing saturated omega-aminods from olefinically unsaturated omega-aldehydoacids. According to the invention, the starting aldehydoacid is transformed into the corresponding iminoacid, and this is subjected to the hydrogenation both of the imino function and of the ethylenic double bond or double bonds, in a single stage and in the presence of an hydrogenation catalyst. The catalyst is a transition metal of one of the first two sub-groups of the VIII group of the periodic system, viz. is chosen among Fe, Ru, Os, Co, Rh, and Ir, and is used in the metal state or as a compound.

REFERENCES:
patent: 2777873 (1957-01-01), Hasek
patent: 2871247 (1959-01-01), Seon et al.
patent: 3235576 (1966-02-01), Chiusoli et al.
patent: 3883586 (1975-09-01), Yokoyama et al.

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