JPS54138592A - Novel antibiotic substance xk-201-iv and its preparation - Google Patents
Novel antibiotic substance xk-201-iv and its preparationInfo
- Publication number
- JPS54138592A JPS54138592A JP4522878A JP4522878A JPS54138592A JP S54138592 A JPS54138592 A JP S54138592A JP 4522878 A JP4522878 A JP 4522878A JP 4522878 A JP4522878 A JP 4522878A JP S54138592 A JPS54138592 A JP S54138592A
- Authority
- JP
- Japan
- Prior art keywords
- gram
- positive
- antibiotic substance
- preparation
- novel antibiotic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
NEW MATERIAL:An antibiotic substance XK-201-IV having the following characteristics: Appearance, white, non-crystalline powder; melting point, 147°C (decomposition); molecular weight, about 470; elemental analysis, (ammonium salt) C 35.9%, H 5.4%, N 17.7%, S 20.4%; ninhydrine reaction, positive; specific rotation, [α]20D = -10° (c = 0.1, H2O); solubility, easily soluble in water, slightly soluble in methanol, ethanol, etc., practically insoluble in other organic solvents.
USE: Cephalosporin-type antibacterial agent, and its synthetic intermediate. Effective to Gram-positive and Gram-negative bacteria.
PROCESS: XK-201-IV-producing bacteria belonging to Streptomyces genus (e.g. MK-201 strain (FERM-P No.4478)) are cultured in a liquid medium, and the objective compound is separated from the filtrate of the culturing medium by adsorption, extraction, etc.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53045228A JPS5922514B2 (en) | 1978-04-19 | 1978-04-19 | Novel antibiotic XK-201-4 and its manufacturing method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53045228A JPS5922514B2 (en) | 1978-04-19 | 1978-04-19 | Novel antibiotic XK-201-4 and its manufacturing method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54138592A true JPS54138592A (en) | 1979-10-27 |
JPS5922514B2 JPS5922514B2 (en) | 1984-05-26 |
Family
ID=12713396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53045228A Expired JPS5922514B2 (en) | 1978-04-19 | 1978-04-19 | Novel antibiotic XK-201-4 and its manufacturing method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5922514B2 (en) |
-
1978
- 1978-04-19 JP JP53045228A patent/JPS5922514B2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5922514B2 (en) | 1984-05-26 |
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