Racemization catalyst for amino acids

Details Racemization catalyst for amino acids Racemization catalyst for amino acids

1987-07-10

1988-08-23

Lone, Werren B.

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

Organic compounds

Oxygen containing

525 76, 525151, 525154, 526208, 562401, 568442, C07C 4564, C07C 47575, C08L 2700

Patent

active

047662506

ABSTRACT:
There is disclosed a process for the racemization of amino acids and derivatives thereof. The racemization process of the present invention uses an aromatic aldehyde-containing polymer made from the reaction of a hydroxyaromatic aldehyde with a chloromethylated vinylbenzene polymer under reaction conditions to form an aromatic aldehyde-containing polymer wherein the aldehydic moiety is linked to the polymer through an ether linkage. There is also disclosed a process for the production of the racemization catalyst. Another embodiment of the invention comprises a process for the promotion of the racemization reaction wherein a tertiary amine-containing resin is used as a promoting agent.

REFERENCES:
patent: 3813317 (1974-05-01), Benolton et al.
patent: 4206139 (1980-06-01), Idelson et al.
patent: 4401820 (1983-08-01), Chibata et al.
Toi et al., Bull. Chem. Soc. Jpn, 35, pp. 1422-1423, (Aug. 1962).
Toi et al., Bull Chem. Soc. Jpn, 36, pp. 734-737, 739-743, (Jun. 1963).
Yamashov et al., Polymer Sci. USSR, 21, 2031-2037, (Dec. 1980).
Biotechnology Letters, 7, 31-36, (Jan. 1985).

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