Racemization of optically active alkoxyamines

Details Racemization of optically active alkoxyamines Racemization of optically active alkoxyamines

1999-06-08

2000-05-09

Killos, Paul J.

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

Organic compounds

Amino nitrogen containing

C07C20500

Patent

active

06060624&

ABSTRACT:
A method for racemizing an enantiomer of an alkoxyamine represented by formula I ##STR1## in which R.sub.1 and R.sub.2 are the same or different C.sub.1 to C.sub.20 alkyl group. A feed containing an enantiomer of the alkoxyamine is passed over a nickel or cobalt catalyst in the presence of hydrogen and ammonia. The racemic mixture formed by this method contains substantially no by-products.

REFERENCES:
patent: 3954870 (1976-05-01), Fukumaru et al.
patent: 3970700 (1976-07-01), Nagase et al.
patent: 4096186 (1978-06-01), Ichikawa et al.
patent: 4990666 (1991-02-01), Harsy
patent: 5847215 (1998-12-01), Ditrich

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