Lonza Inc.

Michael Bokel

Andreas Kiener

Klaus Heinzmann

Yvonne Van Gameren

Yvonne V Gameren

Microorganisms which are capable of growing with 2,5-dimethylpyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate heterocycles of general formula: ##STR1## to heterocycles of general formula: ##STR2## The latter compounds are accumulated in the growth medium.

Microorganisms useful for the production of hydroxylated heterocycles

Microorganisms, which are capable of growing with pyrazine as the sole carbon, nitrogen and energy source. These microorganisms hydroxylate pyrazine derivatives of general formula: ##STR1## to hydroxylated pyrazine derivatives of general formula: ##STR2## and the latter are accumulated in the growth medium.

Agrobacterium useful for the microbiological process for the production

Microbiological process for the production of hydroxylated heterocycles

Microbiological process for the production of hydroxylated pyrazine

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Visp, Switzerland

Michael Bokel