NL7303196A - Recovery of rieamycin from broths - by oxidn to an insol form - Google Patents
Recovery of rieamycin from broths - by oxidn to an insol formInfo
- Publication number
- NL7303196A NL7303196A NL7303196A NL7303196A NL7303196A NL 7303196 A NL7303196 A NL 7303196A NL 7303196 A NL7303196 A NL 7303196A NL 7303196 A NL7303196 A NL 7303196A NL 7303196 A NL7303196 A NL 7303196A
- Authority
- NL
- Netherlands
- Prior art keywords
- insol
- rieamycin
- oxidn
- broths
- recovery
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P17/00—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms
- C12P17/18—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing at least two hetero rings condensed among themselves or condensed with a common carbocyclic ring system, e.g. rifamycin
- C12P17/188—Heterocyclic compound containing in the condensed system at least one hetero ring having nitrogen atoms and oxygen atoms as the only ring heteroatoms
- C12P17/189—Heterocyclic compound containing in the condensed system at least one hetero ring having nitrogen atoms and oxygen atoms as the only ring heteroatoms containing the rifamycin nucleus
Landscapes
- Organic Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Biotechnology (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Bioinformatics & Cheminformatics (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
Rifamycin B in a fermentation broth is oxidised with NaNO2, NaS2O3 or H2O at 15-25 degrees C and pH 4-75 and the insol rifamycin O recovered. An example uses NaNO2 to give rifamycin O of 95% purity/after recrystallisation) in substantially quantitative yields.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7303196A NL7303196A (en) | 1973-03-07 | 1973-03-07 | Recovery of rieamycin from broths - by oxidn to an insol form |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7303196A NL7303196A (en) | 1973-03-07 | 1973-03-07 | Recovery of rieamycin from broths - by oxidn to an insol form |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7303196A true NL7303196A (en) | 1974-09-10 |
Family
ID=19818391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7303196A NL7303196A (en) | 1973-03-07 | 1973-03-07 | Recovery of rieamycin from broths - by oxidn to an insol form |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL7303196A (en) |
-
1973
- 1973-03-07 NL NL7303196A patent/NL7303196A/en unknown
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