The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 22, 1991
Filed:
Sep. 11, 1986
Hans Reichenbach, Wolfenbuttel, DE;
Gerhard Hofle, Braunschweig, DE;
Hermann Augustiniak, Wolfenbuttel, DE;
Norbert Bedorf, Konigslutter, DE;
Klaus Gerth, Braunschweig, DE;
Herbert Irschik, Wolfenbuttel, DE;
Rolf Jansen, Braunschweig, DE;
Brigitte Kunze, Braunschweig, DE;
Dietmar Schomburg, Braunschweig, DE;
Heinrich Steinmetz, Hildesheim-Sorsum, DE;
Wolfram Trowitzsch-Kienast, Braunschweig, DE;
Victor Wray, Braunschweig, DE;
Gesellschaft fur Biotechnologische Forschung GmbH, Braunschweig-Stockheim, DE;
Abstract
The invention relates to cyclic antibiotics of formula ##STR1## wherein the prefix R represents that the substituents on the adjacent carbon atom are in the R configuration; the prefix S represents that the substituents on the adjacent carbon atom are in the S configuration; R.sub.1 is hydrogen or hydroxy and R.sub.2 is hydroxy or .beta.-glucopyranosyloxy, and to the hydrates and salts thereof, especially pharmaceutically acceptable salts. The compounds of formula I are prepared by fermentation using the strain So ce 12 (NCIB 12134) of the species Sorangium celulosum and are effective antiobiotics.