Chemistry: molecular biology and microbiology – Micro-organism – tissue cell culture or enzyme using process... – Preparing heterocyclic carbon compound having only o – n – s,...
Patent
1993-03-02
1994-04-26
Naff, David M.
Chemistry: molecular biology and microbiology
Micro-organism, tissue cell culture or enzyme using process...
Preparing heterocyclic carbon compound having only o, n, s,...
435117, 435121, 435128, 435146, 435136, 4352521, 435822, C12P 1712, C12P 742, C12N 112, C12N 120
Patent
active
053066308
ABSTRACT:
A new microbiological process for the production of hydroxy-nitrogen-heterocyclic-carboxylic acids or their soluble salts of the general formula: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and each is a hydrogen atom, a halogen atom or a C.sub.1 -C.sub.4 alkyl group and X is a nitrogen atom or a CR.sub.3 function, wherein R.sub.3 is a hydrogen atom or a halogen atom, starting from the corresponding nitrogen-heterocyclic-carboxylic acids, as well as new microorganisms suitable for use in the process.
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Heinzmann Klaus
Kiener Andreas
Tinschert Andreas
Tschech Andreas
Lonza Ltd.
Naff David M.
Sevigny Jeffrey J.
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