Process for the preparation and fermentation of 13 substituted 3-methoxy-8, 14-seco-1, 3, 5(10), 9(11)-gonatetraene-14, 17-diones

• Main Authors: OEHLER, LOTHAR, SCHAEFER, HEINZ-PETER, JUNNE, WOLF, ECKERT, HERMANN
• Format: Patent
• Language: English; French; German
• Published: 07.04.1999
• Edition: 6
• Subjects: BEER; BIOCHEMISTRY; CHEMISTRY; ENZYMOLOGY; FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE; METALLURGY; MICROBIOLOGY; MUTATION OR GENETIC ENGINEERING; SPIRITS; VINEGAR; WINE

Prepn. and fermentation of 13-substd. 3-methoxy-8,14-seco-1,3,5(10), 9(11)-gona-tetraen-14,17-diones (I) in aq. media by suspension comprises: (a) mixing 1 part steroid with 2-9 parts of a mixt. of water, emulsifier and anti-foaming agent at 80-95 degrees C with Prohalyt G20-40 or Tween as emulsifie...