JPS53141203A - New antibiotic am-157 substance and its preparation - Google Patents

New antibiotic am-157 substance and its preparation

Info

Publication number
JPS53141203A
JPS53141203A JP5527677A JP5527677A JPS53141203A JP S53141203 A JPS53141203 A JP S53141203A JP 5527677 A JP5527677 A JP 5527677A JP 5527677 A JP5527677 A JP 5527677A JP S53141203 A JPS53141203 A JP S53141203A
Authority
JP
Japan
Prior art keywords
substance
preparation
water
new antibiotic
absorption spectrum
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
Application number
JP5527677A
Other languages
Japanese (ja)
Other versions
JPS5934114B2 (en
Inventor
Tamio Kawamura
Satoshi Kato
Koichi Suzuki
Noriaki Kuwana
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eisai Co Ltd
Original Assignee
Eisai Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Eisai Co Ltd filed Critical Eisai Co Ltd
Priority to JP52055276A priority Critical patent/JPS5934114B2/en
Publication of JPS53141203A publication Critical patent/JPS53141203A/en
Publication of JPS5934114B2 publication Critical patent/JPS5934114B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

PURPOSE: Antibiotic AM-157 substance. Characteristics thereof are as follows: elementary analysis, C 48.41%, H 7.78%, N 17.61%; molecular weight 673+-34 (vapor pressure equilibrium method); m.p. 231.6W232.8°C; specific roataion [α]2D0=-65.5° (C=0.24, water); UV absorption spectrum (in an aqueous solution): terminal absorption; IR absorption spectrum (KBr disk): 3250,3030,2950cm-1, etc.; NMR spectrum (in DMSO-d6) shows peaks around 0.85 and 1.52ppm; solubility: soluble in water, methanol, etc. and insoluble in acetone, etc.; comprises leucine, α,ϒ-diaminobutyric acid and acidic substances; etc
COPYRIGHT: (C)1978,JPO&Japio
JP52055276A 1977-05-16 1977-05-16 New antibiotic AM-157 substance and its manufacturing method Expired JPS5934114B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52055276A JPS5934114B2 (en) 1977-05-16 1977-05-16 New antibiotic AM-157 substance and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52055276A JPS5934114B2 (en) 1977-05-16 1977-05-16 New antibiotic AM-157 substance and its manufacturing method

Publications (2)

Publication Number Publication Date
JPS53141203A true JPS53141203A (en) 1978-12-08
JPS5934114B2 JPS5934114B2 (en) 1984-08-20

Family

ID=12994062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52055276A Expired JPS5934114B2 (en) 1977-05-16 1977-05-16 New antibiotic AM-157 substance and its manufacturing method

Country Status (1)

Country Link
JP (1) JPS5934114B2 (en)

Also Published As

Publication number Publication date
JPS5934114B2 (en) 1984-08-20

Similar Documents

Publication Publication Date Title
JPS5398901A (en) New physiologically active substance esterastine and its preparation
JPS53141203A (en) New antibiotic am-157 substance and its preparation
JPS51119088A (en) Method for preparing a low molecular weight cellulose ester
JPS6419089A (en) Production of n-acetyl-beta-d-hexosamine derivative
JPS53130602A (en) New antibiotic aculeacin aalpha and its preparation
JPS5436201A (en) New oncostatic antibiotic auromomycin and its preparation
JPS53141202A (en) Antibiotic globomycin
JPS5444601A (en) Water-soluble peptide glycan decomposition product
JPS53121701A (en) New antibiotic xk-99 and its preparation
JPS5211845A (en) Address information check system
JPS57154200A (en) Foliaspongin
JPS53130603A (en) New antibiotic aculeacin dr
JPS53147002A (en) New antibiotic tridecaptin c and its preparation
JPS53141201A (en) New physiologically active substance complestatin and its preparation
JPS5432493A (en) Preparation of macrolide antibiotics derivatives
JPS52119968A (en) Reverberation curve measuring apparatus
JPS5246018A (en) Process for preparation of farnesyl acetates
JPS52118401A (en) Novel antibiotic substance sf-1540-b, its preparation and agricultural fungicides containing the same
JPS53130604A (en) New antibiotic aculeacin dalpha and its preparation
JPS5632993A (en) Antitumorigenic agent and its preparation
JPS5394023A (en) Preparation of anti-tumor polysaccharide
JPS51135427A (en) Check circuit
JPS53124691A (en) Novel antibiotic substance sf-1971 and its preparation
JPS5210491A (en) Preparation of indoline derivatives
JPS52111558A (en) Preparation of cyclic ethers