METHOD OF PREPARING 5-HYDROXYPYRAZINE CARBOXYLIC ACID AND/OR THEIR SALTS Russian patent published in 1997 - IPC

Abstract RU 2094461 C1

FIELD: biotechnology. SUBSTANCE: invention describes microbiological method of preparing 5-hydroxypyrazine carboxylic acid and/or their salts from pyrazine carboxylic acid and its salts as substrate using microorganisms grown with nicotinic acid and/or their salts as a single carbon source. The following bacteria were used: Pseudomonas acidovorans, Achromobacter xylosoxydans. Biotransformation process is carried out at pH = 4-10 and 10-60 C. EFFECT: improved method of preparing. 6 cl, 2 tbl

Similar patents RU2094461C1

Title Year Author Number
METHOD OF MICROBIOLOGICAL OXIDATION OF METHYL GROUPS OF AROMATIC HETEROCYCLE TO CARBOXYLIC ACID 1991
  • Andreas Kiner[Ch]
RU2037523C1
METHOD OF 6-HYDROXYNICOTINIC ACID SYNTHESIS 1990
  • Frants Khoks[Nl]
  • Daniehl Venets[Ch]
RU2015166C1
METHOD OF PREPARING S-(+)-2,2-DIMETHYLCYCLOPROPANE CARBOXAMIDE, STRAINS OF BACTERIA COMAMONAS ACIDOVORANS, PSEUDOMONAS SP, BACTERIUM SP DESIGNATED FOR S-(+)-2,2-DIMETHYLCYCLOPROPANE CARBOXAMIDE PREPARING (VARIANTS) 1992
  • Karen Robins[Au]
  • Tomas Gilligan[Us]
RU2096460C1
METHOD OF PRODUCING NITROGEN-CONTAINING HETEROCYCLIC CARBOXYLIC ACIDS CONTAINING HYDROXYL GROUP OR THEIR SOLUBLE SALTS, STRAIN OF BACTERIUM FOR METABOLISM OF NITROGEN-CONTAINING HETEROCYCLIC CARBOXYLIC ACIDS TO HYDROXYL GROUP-CONTAINING NITROGEN-CONTAINING HETEROCYCLIC CARBOXYLIC ACIDS 1993
  • Andreas Kiner
  • Andreas Chekh
  • Andreas Tinshert
  • Klaus Khajntsmann
RU2122029C1
METHOD OF PRODUCING S-(+)-2,2-DIMETHYLCYCLOPROPANE CARBOXAMIDE, DNA FRAGMENT ENCODING R-(-)-2,2-DIMETHYLCYCLOPROPANE- -CARBOXAMIDE HYDROLASE OF COMAMONAS, RECOMBINANT PLASMID DNA (VARIANTS), STRAIN OF BACTERIUM ESCHERICHIA COLI (VARIANTS) 1992
  • Tomas Tsimmermann
  • Karen Robins
  • Olven M.Behrch
  • Ehlizabet Belen
RU2126450C1
METHOD OF MICROBIOLOGICAL HYDROXYLATION OF METHYL GROUPS OF AROMATIC 5- AND 6-MEMBERED HETEROCYCLES, RECOMBINANT PLASMID DNA PL04, RECOMBINANT PLASMID DNA PL05, STRAIN OF MICROORGANISM ESCHERICHIA COLI USED FOR PRODUCING HYDROXYMETHYL DERIVATIVES OF AROMATIC 5- OR 6-MEMBERED HETEROCYCLES AND STRAIN OF MICROORGANISM PSEUDOMONAS PUTIDA USED FOR PRODUCING HYDROXYMETHYL DERIVATIVES OF AROMATIC 5- OR 6-MEMBERED HETEROCYCLES 1991
  • Tomas Tsimmermann[De]
  • Andreas Kiner[Ch]
  • Shigeaki Kharajama[Jp]
RU2088667C1
MICROBIOLOGICAL METHOD OF TERMINAL OXIDATION OF ETHYL GROUPS TO CARBOXYL GROUPS 1991
  • Andreas Kiner[Ch]
RU2067619C1
METHOD OF PRODUCING L-CARNITINE 0
  • Khans Kulla
  • Pavel Lekhki
SU1435159A3
DNA FRAGMENT PROVIDING THE BETAINE UTILIZATION, RECOMBINANT PLASMID DNA HAVING DNA FRAGMENT PROVIDING THE BETAINE UTILIZATION, STRAIN OF BACTERIUM RHIZOBIUM/AGROBACTERIUM ASSIGNED FOR STABLE STORAGE OF PLASMID HAVING DNA FRAGMENT, A METHOD OF THE BACTERIUM STRAIN PREPARING 1992
  • Tomas Tsimmerman[De]
  • Kristina Borashi[Ch]
  • Knut Burgdorf[De]
  • Katerin Gobere[Fr]
RU2099418C1
GENES OF METABOLISM OF BUTYROBETAINE/CROTONOBETAINE - L- -CARNITINE AND THEIR USE FOR MICROBIOLOGICAL SYNTHESIS OF L-CARNITINE 1994
  • Tomas Tsimmermann
  • Jozef Verlen
RU2133773C1

RU 2 094 461 C1

Authors

Andreas Kiner[Ch]

Dates

1997-10-27Published

1992-06-19Filed