METHOD FOR RACEMIZING N-ACYLAMINO ACID BY USING TRANSITION METAL CATALYST

Title:

METHOD FOR RACEMIZING N-ACYLAMINO ACID BY USING TRANSITION METAL CATALYST

Document Type and Number:

Japanese Patent JP2001302604

Kind Code:

A

Abstract:

To provide a method for recemizing an N-acylamino acid which progresses under a mild condition.

This method for recemizing an N-acylamino acid by a transition metal catalyst is to react a mixture brought to be rich in an enantiomer expressed in general formula I: R-CH(NR1COR2)CO2H [R, R1 and R2 are each independently expresses H and/or an alkyl, alkenyl, alkynyl, aryl and/or heteroaryl; The alkyl and aryl may be substituted.], in the presence of a transition metal salt, transition metal complex or transition metal complex salt or their mixture containing one or more of elements from Fe, Ru, Os, Co, Rh, Ir, Ni, Pd and Pt at preferably 10-150°C.

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Inventors:

RIERMEIER THOMAS
BELLER MATTHIAS
SCHICHL DANIEL
HATELEY MARTIN

Application Number:

JP2001077810A

Publication Date:

October 31, 2001

Filing Date:

March 19, 2001

Export Citation:

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Assignee:

AVENTIS RES & TECHNOL GMBH & C

International Classes:

C07D207/16; C07B55/00; C07B61/00; C07C231/12; C07C231/16; C07C233/47; C07C233/51; C07C319/20; C07C321/14; (IPC1-7): C07C231/12; C07C233/47; C07C233/51; C07C319/20; C07C321/14; C07D207/16

Attorney, Agent or Firm:

Kazuo Shamoto (5 outside)

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