Istvan Barta
6 Papers
72 Citations
Istvan Barta is an academic researcher. The author has contributed to research in topics: Bioconversion & Streptomyces hygroscopicus. The author has an hindex of 5, co-authored 6 publications.
Chat about Author
Papers
Patent
Microbial process for preparing pravastatin
Antonia Jekkel,Attila Konya,Istvan Barta,Eva Ilkoy,Somogyi Gyorgy,Gabor Ambrus,Gyula Horvath,Karoly Albrecht,Szabo Istvan M,Julianna Mozes Nee Suto,Janos Salat,Attila Andor,Laszlo Birincsik,Sandor Boros,Lang Ildiko,Margit Bidlo Nee Igloy +15 more
- 03 Feb 2000
TL;DR: In this paper, a new microbial process for the preparation of the compound of formula (I) from a compound of general formula (II) wherein R+ stands for an alkali metal or ammonium ion was proposed.
31
Patent
Process for the preparation of pseudomonic acid A antibiotic by microbiological method
Valeria Szell,Lang Ildiko,Istvan Barta,Aniko Tedges,Karoly Albrecht,Julianna Mozes Nee Suto,Szabo Istvan M,Petroczki Magdolna,Janos Erdei,Eva Gulyas,Gabor Balogh +10 more
- 03 Feb 2000
TL;DR: A procedure for the preparation of pseudomonic acid A comprising submerged cultivation of a Pseudomonas bacterium strain capable of biosynthesis of the substantially pure pseudo-acid A in aerated conditions via fermentation, and isolation of the desired compound is disclosed in this article.
13
Patent
Process for the preparation of mycophenolic acid and derivatives thereof
Istvan Barta,Sandor Boros,Gabor Ambrus,Gyula Horvath,Antal Szabó,Szabo Istvan M,Antonia Jekkel,Attila Konya,Mozes Julianna,Janos Salat,Somogyi Gyorgy +10 more
- 22 Sep 2000
TL;DR: A microbiological process for the preparation of compounds of general formula (I), wherein R1 means methyl or hydroxymethyl group and R2 stands for hydroxyl or amino group, which comprises growing a Penicillium waksmani fungal strain able to biosynthesising mycophenolic acid on a culture medium containing assimilable carbon and nitrogen sources as well as mineral salts at 22°C to 30°C, separating the compound from the fermentation broth and, if desired, purifying it, and, in case desired, bioconverting it
12
Patent
Hydroxylation of compactin to pravastatin by micromonospora
Gabor Ambrus,Istvan Barta,Sándor,Boros,Gyula Horvath,Ildiko Horvath,Eva Ilkoy,Antonia Jekkel,Attila Konya,Julia Mozes,Nagy Zsuzsanna,Janos Salat,Somogyi Gyorgy,Szabo Istvan M +13 more
- 29 Jun 2000
TL;DR: In this paper, a new microbial process for the preparation of compound of formula (I) from a compound of general formula (II) wherein R stands for an alkali metal or ammonium ion was proposed.
8
Production of FK520 by Streptomyces tubercidicus.
TL;DR: It is proved that strains of other Streptomyces species have FK520 biosynthesizing ability, which is similar to that of StrePTomyces hygroscopicus species.
8