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Industrial Biotransformations

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Monooxygenase<br />

Pseudomonas putida<br />

H<br />

N<br />

N<br />

COOH<br />

COOH<br />

3) Flow scheme<br />

4) Process parameters<br />

conversion: > 99.5 %<br />

yield: > 95 %<br />

reactor type: fed batch<br />

reactor volume: 1,000 L<br />

capacity: multi t · a –1<br />

residence time: 54 h<br />

company: Lonza AG, Switzerland<br />

5) Product application<br />

O<br />

COOH<br />

S<br />

● Intermediate for the drug 5-methylpyrazine-2-carboxylic acid 4-oxide (acipimox) with antilipolytic<br />

activity like nicotinic acid:<br />

N O-<br />

HOOC +<br />

N<br />

COOH<br />

H<br />

N<br />

N<br />

COOH<br />

EC 1.14.13.X<br />

HOOC<br />

(40 %) (40 %) (70 %) (80 %) (80 %)<br />

HOOC N Cl HOOC N Cl HOOC N HOOC N<br />

(50 %) (90 %) (10 %) (90 %) (90 %)<br />

Fig. 1.14.13.X – 2<br />

Fig. 1.14.13.X – 3<br />

N<br />

N<br />

S<br />

N<br />

Cl<br />

239

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