# US 2014/0154761 A1 · Process of biologically producing aromatic carboxylic acid and derivative thereof

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- Number: US 2014/0154761 A1
- Document ID: US20140154761A1
- Status: Published application
- Kind: A1
- Application number: 14/091,420
- Filed: 2013-11-27
- Published: 2014-06-05
- Earliest claimed: 2012-11-30
- Assignees: Samsung Electronics Co., Ltd.
- Applicants: Samsung Electronics Co., Ltd.
- Inventors: Won Jae CHOI; Jin Ho AHN; Jong Won BYUN; Young Wan HA
- Web page: https://patentgrep.com/patent/US20140154761A1

## CPC

- C12P 7/40: containing a carboxyl group {including Peroxycarboxylic acids}
- C12P 7/42: Hydroxy-carboxylic acids
- C12P: FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE {(brewing of beer C12C; producing vinegar C12J; producing specific peptides or proteins C07K; producing enzymes C12N9/00; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification C12N15/00; measuring or testing processes involving enzymes or microorganisms C12Q; measuring or testing processes involving nucleic acid amplification reactions C12Q1/6844; fermentation processes to form a food composition, A21 or A23; compounds in general, see the relevant compound class, e.g. C01, C07)}

## Abstract

A method of biologically producing an aromatic carboxylic acid by contacting a substrate containing an aromatic carboxylic acid having a para-hydroxy group with a biocatalyst that removes the para-hydroxy group.

## Claims

### Claim 1

A method of biologically producing an aromatic carboxylic acid of Chemical Formula 1, the method comprising contacting a substrate containing an aromatic carboxylic acid having a para-hydroxy group represented by Chemical Formula 2 with a biocatalyst that removes the para-hydroxy group:
wherein, X and Y are independently hydrogen, hydroxy, or C1-C4 alkoxy.

### Claim 2 (depends on 1)

The method of claim 1, wherein X and Y are not simultaneously hydrogen in Chemical Formula 2, and the method further comprises contacting the substrate with a biocatalyst that removes a substituent selected from the group consisting of hydroxy and C1-C4 alkoxy located at position 3, position 5, or both of positions 3 and 5 of the benzene ring, before, simultaneously with, or after contacting with the biocatalyst that removes the para-hydroxy group.

### Claim 3 (depends on 1)

The method of claim 1, wherein the substrate also comprises an aromatic aldehyde of Chemical Formula 3, and the method further comprises converting the aromatic aldehyde to the aromatic carboxylic acid of Chemical Formula 2 by chemical oxidation or biocatalytic oxidation prior to contacting with the biocatalyst that removes the para-hydroxy group from the aromatic carboxylic acid of Chemical Formula 2:
wherein, X and Y are independently hydrogen, hydroxy, or C1-C4 alkoxy.

### Claim 4 (depends on 3)

The method of claim 3, wherein X and Y are not simultaneously hydrogen in Chemical Formula 3, and the method further comprises contacting the substrate with a biocatalyst that removes a substituent selected from the group consisting of hydroxy and C1-C4 alkoxy located at position 3, position 5, or both of positions 3 and 5 of the benzene ring before, simultaneously with, or after the oxidation of the aromatic aldehyde of Chemical Formula 3.

### Claim 5 (depends on 1)

The method of claim 1, wherein the biocatalyst is an enzyme, a microorganism that produces the enzyme, a lysate of the microorganism, or an extract from the lysate of the microorganism.

### Claim 6 (depends on 5)

The method of claim 5, wherein the biocatalyst is a wild-type microorganism or a recombinant microorganism.

### Claim 7 (depends on 1)

The method of claim 1, wherein contacting the substrate with the biocatalyst comprises contacting the substrate with an enzyme, a microorganism containing the enzyme, a lysate of the microorganism, or an extract from the lysate of the microorganism, or culturing the microorganism in a medium containing the substrate.

### Claim 8 (depends on 1)

The method of claim 1, wherein the biocatalyst that removes the para-hydroxy group comprises at least one enzyme selected from the group consisting of bile-acid 7-alpha-dehydroxylase (EC 1.17.99.5), 4-hydroxybenzoyl-CoA reductase (EC 1.3.7.9), 3-dehydroquinate hydro-lyase (EC 4.2.1.10), aldos-2-ulose dehydratase (EC 4.2.1.110), o-succinylbenzoate synthase (EC 4.2.1.113), 3-dehydroshikimate hydro-lyase (EC 4.2.1.118), prephenate hydro-lyase (EC 4.2.1.51), arogenate dehydratase (EC 4.2.1.91), scytalone 7,8-hydro-lyase (EC 4.2.1.94), 16α-hydroxyprogesterone hydro-lyase (EC 4.2.1.98), a microorganism that produces at least one of the foregoing enzymes; a lysate of a microorganism containing at least one of the foregoing enzymes; or an extract from the lysate of the microorganism containing at least one of the foregoing enzymes.

### Claim 9 (depends on 2)

The method of claim 2, wherein the biocatalyst that removes at least one substituent selected from the group consisting of para-hydroxy and C1-C4 alkoxy is an enzyme selected from the group consisting of anthranilate synthase (EC 4.1.3.27), aminodeoxychorismate lyase (EC 4.1.3.38), chorismate lyase (EC 4.1.3.40), 3-dehydroquinate hydro-lyase (EC 4.2.1.10), 3-dehydroshikimate hydro-lyase (EC 4.2.1.118), prephenate hydro-lyase (EC 4.2.1.51), 5-O-(1-carboxyvinyl)-3-phosphoshikimate phosphate-lyase (EC 4.2.3.5), isochorismate lyase (EC 4.2.99.21), hydroxyphenylpyruvate synthase (EC 5.4.99.5), a microorganism that produces at least one of the foregoing enzymes; a lysate of a microorganism containing at least one of the foregoing enzymes; or an extract from the lysate of the microorganism containing at least one of the foregoing enzymes.

### Claim 10 (depends on 4)

The method of claim 4, wherein the biocatalyst that removes at least one substituent selected from the group consisting of para-hydroxy and C1-C4 alkoxy is an enzyme selected from the group consisting of anthranilate synthase (EC 4.1.3.27), aminodeoxychorismate lyase (EC 4.1.3.38), chorismate lyase (EC 4.1.3.40), 3-dehydroquinate hydro-lyase (EC 4.2.1.10), 3-dehydroshikimate hydro-lyase (EC 4.2.1.118), prephenate hydro-lyase (EC 4.2.1.51), 5-O-(1-carboxyvinyl)-3-phosphoshikimate phosphate-lyase (EC 4.2.3.5), isochorismate lyase (EC 4.2.99.21), hydroxyphenylpyruvate synthase (EC 5.4.99.5), a microorganism that produces at least one of the foregoing enzymes; a lysate of a microorganism containing at least one of the foregoing enzymes; or an extract from the lysate of the microorganism containing at least one of the foregoing enzymes.

### Claim 11 (depends on 1)

The method of claim 1, wherein the compound of Chemical Formulae 2 or 3 is derived from lignin.

### Claim 12 (depends on 11)

The method of claim 11, wherein the substrate containing an aromatic carboxylic acid having a para-hydroxy group of Chemical Formula 2, is obtained by:
degrading lignin to give a lignin degradation product comprising the aromatic carboxylic acid having a para-hydroxy group of Chemical Formula 2.

### Claim 13 (depends on 12)

The method of claim 12, wherein X and Y are not simultaneously hydrogen in Chemical Formula 2, and the method further comprises contacting the substrate with a biocatalyst that removes a substituent selected from the group consisting of hydroxy and C1-C4 alkoxy located at positions 3, position 5, or both of positions 3 and 5 of the benzene ring, before, simultaneously with, or after contacting with the biocatalyst that removes the para-hydroxy group.

### Claim 14 (depends on 12)

The method of claim 12, further comprising converting an aromatic aldehyde represented by the following Chemical Formula 3 to the aromatic carboxylic acid of Chemical Formula 2 by chemical oxidation or biocatalytic oxidation, before or simultaneously with contacting with the biocatalyst that removes the para-hydroxy group.

### Claim 15 (depends on 12)

The method of claim 12, wherein the degradation of lignin involves at least one selected from the group consisting of pyrolysis, gasification, hydrogenolysis, acidolysis, alkaline lysis, chemical oxidation, hydrolysis under supercritical conditions, and enzymolysis.

### Claim 16

A method of biologically producing an aromatic carboxylic acid of Chemical Formula 1, the method comprising
providing a substrate comprising an aromatic aldehyde of Chemical Formula 3;
converting the aromatic aldehyde of Chemical Formula 3 to an aromatic carboxylic acid of Chemical Formula 2 by chemical oxidation or biocatalytic oxidation;
and contacting the aromatic carboxylic acid of Chemical Formula 2 having a para-hydroxy group with a biocatalyst that removes the para-hydroxy group to provide an aromatic carboxylic acid of Formula 1:
wherein, X and Y are independently hydrogen, hydroxy, or C1-C4 alkoxy.
