IL42401A - Antibiotic substances b-41,their production and their use as insecticides and acaricides - Google Patents

Antibiotic substances b-41,their production and their use as insecticides and acaricides

Info

Publication number
IL42401A
IL42401A IL42401A IL4240173A IL42401A IL 42401 A IL42401 A IL 42401A IL 42401 A IL42401 A IL 42401A IL 4240173 A IL4240173 A IL 4240173A IL 42401 A IL42401 A IL 42401A
Authority
IL
Israel
Prior art keywords
formula
hydrogen atom
methyl group
group
bond
Prior art date
Application number
IL42401A
Other versions
IL42401A0 (en
Original Assignee
Sankyo Co
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 Sankyo Co filed Critical Sankyo Co
Publication of IL42401A0 publication Critical patent/IL42401A0/en
Publication of IL42401A publication Critical patent/IL42401A/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D313/00Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07GCOMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G11/00Antibiotics
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07HSUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/01Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof sharing oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental Sciences (AREA)
  • Biotechnology (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Plant Pathology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Biochemistry (AREA)
  • Dentistry (AREA)
  • Genetics & Genomics (AREA)
  • Molecular Biology (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Compounds Of Unknown Constitution (AREA)

Claims (11)

1. A compound having the formula wherein R, represents a hydrogen atom or a methyl group; R2 represents a methyl grou "or when 1 is hydrogen Rg may also represent a pyrroyloxymethyl group of the formula ; R_ represents a methyl group or an ethyl group? R^ and ^ are each a hydrogen atom, or, when Rg anc Rj are. each a methyl group, A may also represent a group of CH3 the formula -0C0CH-(CH2)j-CH-- in which case R^ is a hydroxy group; Rg and R^ together represent a C-0 bond, but when R^ , and R^ are each a. methyl group and R^ and R^.are each hydrogen, then Rg and R^ may also be each a hydrogen atom.
2. The compound of formula I in Claim 1, wherein R1 is a hydrogen atom, is a methyl group, R^ is a methyl group, R^ and R^ are each a hydrogen atom and Rg and R^ together represent a C-0 bond. - 20 » 42401/2
3. The compound of formula I in. Claim 1, wherein is a hydrogen atom, g is a methyl group, R.. is an ethyl group, R^ and Rpj are each a hydrogen atom and Rg and R^ together represent a 0-0 bond .
4. The compound of formula I in Claim 1 , wherein R^ is a methyl group, Rg is a methyl group, ^ is a methyl group, R^ and R,. are each a hydrogen atom and Rg and R^ together represent a C-0 bond.
5. The compound of formula I in Claim 1, wherein is a methyl group, Rg is a methyl group, R^ is an ethyl group, R^ and Rj are each a hydrogen atom and Rg and R^ together represent a C-0 bond.
6. The compound of formula I in Claim 1, wherein 1 is a hydrogen atom, 2 is the pyrroyloxymethyl group, R^ is a methyl group, R^ and Bp. are each a hydrogen atom and Rg and R^ together represent a C-0 bond.
7. The compound of formula I in Claim 1 , wherein R1 is a hydrogen atom, R2 is the pyrroyloxyme hyl group, R^ is an ethyl group, R^ and R-. are each a hydrogen atom and Rg and ^ together represent a C-0 bond.
8. A compound according to Claim 1 having the formula 42401/2 .,,
9. An antibiotic substance B-^l-Ag-. effective against harmful insects, said substance being a colorless amorphous powder form which is difficultly soluble in water and easily soluble in n-hexane, benzene, acetone, ethanol and chloroform and has the formula I in Claim 1 , in which R^ is a hydrogen atom, R5 is a methyl group, R., is a' methyl group, RA is a group of the formula _oco-CH-(C*i ) -CH » R5 iS ^^νοχ^ ' and Rg and R^ together represent a C-0 bond*; said substance . has a molecular -formula of C^gK^gO^ Q, a compositio of 71.75%Tcarbon and 8.26% hydrogen and the following ■ properties; molecular weights of 672.1 obtained by an osmometric method. in acetone and of 672 according 20 1 mass spectrum; a specific rotatory power of (° D ° · ' '\ +5*-° obtained with the concentration of a sample of 5 mg./2 ml. and the length of a layer of 10 cm. in acetone; no p a at a pK ranging from 2 to 12; absorption maximum in the ultraviolet region of the spectrum at 24-5 ιημ; characteristic absorption bands j in the infrared region shown in Fig. 11; nuclear . 1 magnetic resonance spectrum in (CD^^CO shown in I Fig. 20; main peaks of the mass spectrum 672, 181, j 153 and.151 obtained under the conditions of 75 eV j at ionization room temperature of 2o6eC. and a sample temperature of 120-190°C; and the following color reactions according to a thin layer chromatography, ■ yellow to iodine/chloroform, negative to ninhydrin, reddish purple to sulfuric acid and yellow to potassium permanganate.
10. An- antibiotic substance B-41-B^ effective against harmful insects, said substance bein a -29- 42401 / 3 ethanol and chloroform and has the formula I in Claim 1 , i ethyl is substance has a molecular formula of a composition of 68,006 carbon and 8·32# hydrogen and the following properties; a melting point of 176-178°C ; molecular weights of 629o5 obtained by an osmometric method in acetone and of 686 according to mass spectrum; a specific rotatory power of (° D = obtained with the concentration of a sample of 5 mg./2 ml. and. the length of a layer of 10 cm. in acetone; no pKa at a pH ranging from 2 to 12; absorption maximum in the ultraviolet region of the spectrum at 2 5 πιμ; characteristic absorption bands in the infrared region shown in Fig. 14; nuclear magnetic resonance spectrum in (CD^^CO shown in Fig. 23; main peaks of the mass spectrum .686, 414, 195, .167, 151 and 125 obtained under the conditions of 75 eV at ionization room temperature of · 200eC. and a sample temperature of 120-i90°C; and the following color reactions according to a thin layer chromatography", yellow to iodine/chloroform, negative to ninhydrin, reddish purple to sulfuric acid and yellow to potassium permanganate.
11. A process for producing antibiotic substances B-41-Aj, B-41-A2, B-41-Aj, B-41-A^, B-41-B- B-41-B2, B-41-B^, B-41-C^ and B-41-C2 which comprises cultur-ing a B-41-producing strain belongin to the genus Streptomyces-= and then recovering, either singly or ■ in the form of mixtures , said antibiotic .substances from the fermentation broth.
IL42401A 1972-06-08 1973-05-30 Antibiotic substances b-41,their production and their use as insecticides and acaricides IL42401A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP47057058A JPS4914624A (en) 1972-06-08 1972-06-08

Publications (2)

Publication Number Publication Date
IL42401A0 IL42401A0 (en) 1973-07-30
IL42401A true IL42401A (en) 1976-02-29

Family

ID=13044830

Family Applications (1)

Application Number Title Priority Date Filing Date
IL42401A IL42401A (en) 1972-06-08 1973-05-30 Antibiotic substances b-41,their production and their use as insecticides and acaricides

Country Status (11)

Country Link
JP (1) JPS4914624A (en)
BR (1) BR7304308D0 (en)
CH (2) CH585789A5 (en)
DE (1) DE2329486C2 (en)
ES (1) ES415591A1 (en)
FR (1) FR2187778B1 (en)
GB (1) GB1390336A (en)
IL (1) IL42401A (en)
IT (1) IT986430B (en)
SU (2) SU588926A3 (en)
ZA (1) ZA733857B (en)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5858164B2 (en) * 1975-09-06 1983-12-23 イシカワジマハリマジユウコウギヨウ カブシキガイシヤ Chisel Souchi
SE434277B (en) * 1976-04-19 1984-07-16 Merck & Co Inc SET TO MAKE NEW ANTIHELMINTICALLY EFFECTIVE ASSOCIATIONS BY CULTIVATING STREPTOMYCS AVERMITILIS
US4093629A (en) * 1977-04-11 1978-06-06 Merck & Co., Inc. Derivatives of antibiotic substance milbemycin and processes therefor
NZ186851A (en) * 1977-04-11 1984-12-14 Merck & Co Inc Glycosyloxy derivatives of milbemycin and parasiticidal compositions
NZ188459A (en) * 1977-10-03 1982-09-07 Merck & Co Inc Derivatives of c-076 compounds and pesticidal compositions
PH15982A (en) * 1977-10-03 1983-05-18 Merck & Co Inc Selective hydrogenation producta of c-076 compounds and derivatives thereof
PH16612A (en) * 1977-12-19 1983-11-28 Merck & Co Inc 13-halo and 13-deoxy derivatives of c-076 compounds
JPS5632481A (en) * 1979-08-23 1981-04-01 Sankyo Co Ltd Antibiotic b-41d, its preparation, and acaricide and anthelminthic agent and repellent containing the same as active constituent
JPS57139012A (en) * 1981-02-23 1982-08-27 Sankyo Co Ltd Anthelmintic composition
DE3372693D1 (en) * 1982-07-22 1987-09-03 Ici Plc Methods and compositions of combating pests
JPS60141293A (en) * 1983-12-28 1985-07-26 Kitasato Inst:The Novel carcinostatic antibiotic substance 81-484 and its production
US5169956A (en) * 1984-06-05 1992-12-08 American Cyanamid Company Macrolide antibiotic compounds
CH666690A5 (en) * 1984-09-14 1988-08-15 Glaxo Group Ltd ANTIBIOTIC ACTIVITIES OF THE MACROLIDE GROUP FROM STREPTOMYCES MICROORGANISMS, THEIR PRODUCTION AND USE.
GB8606120D0 (en) * 1986-03-12 1986-04-16 Glaxo Group Ltd Process
EP0254583B1 (en) * 1986-07-24 1994-09-07 Beecham Group Plc Parasiticidal milbemycin derivatives, a process for their production, and compositions containing the same
US4831016A (en) * 1986-10-31 1989-05-16 Merck & Co., Inc. Reduced avermectin derivatives
DE3888936T2 (en) * 1987-11-03 1994-07-21 Beecham Group Plc Intermediates for the production of macrolide antibiotics with an anthelmintic effect.
GB8804440D0 (en) * 1988-02-25 1988-03-23 Pfizer Ltd Antiparasitic agents
GB8815967D0 (en) * 1988-07-05 1988-08-10 Pfizer Ltd Antiparasitic agents
GB8917064D0 (en) * 1989-07-26 1989-09-13 Pfizer Ltd Antiparasitic agent
US5290804A (en) * 1991-05-01 1994-03-01 Merck & Co., Inc. Anthelmintic milbemycin analogs of novel microorganisms
GB9205007D0 (en) * 1992-03-07 1992-04-22 Pfizer Ltd Antiparasitic agents
JP2952265B2 (en) * 1993-11-29 1999-09-20 井筒屋化学産業株式会社 Composition and method for preventing pine wilt
NZ299460A (en) * 1995-09-29 1997-12-19 Sankyo Co 13-substituted milbemycin 5-oxime derivatives; veterinary pesticides
DE19613972A1 (en) * 1996-04-09 1997-10-16 Bayer Ag Injection formulations of avermectins and milbemycins based on castor oil
ES2359973T3 (en) 1998-03-19 2011-05-30 MERCK SHARP & DOHME CORP. LIQUID POLYMER COMPOSITIONS FOR THE CONTROLLED RELEASE OF BIOACTIVE SUBSTANCES.
GB9825402D0 (en) * 1998-11-19 1999-01-13 Pfizer Ltd Antiparasitic formulations
DK2347654T3 (en) 2001-09-17 2019-04-23 Elanco Us Inc Formulation for the control of lice or ticks in cattle
US7671034B2 (en) 2003-12-19 2010-03-02 Merial Limited Stabilized formulation of ivermectin feed premix with an extended shelf life
DE102004053964A1 (en) 2004-11-09 2006-05-11 Bayer Healthcare Ag Remedy for demodicosis
US8362086B2 (en) 2005-08-19 2013-01-29 Merial Limited Long acting injectable formulations
KR101437704B1 (en) 2006-07-05 2014-09-04 아벤티스 애그리컬쳐 1-aryl-5-alkylpyrazole derivative compounds, a process for their preparation and their use
LT2639228T (en) 2007-05-15 2016-11-10 Merial, Inc. Aryloazol-2-yl cyanoethylamino compounds, method of making and method of using thereof
SI3050874T1 (en) 2008-11-14 2019-04-30 Merial Inc. Enantiomerially enriched aryloazol-2-yl cyanoethylamino paraciticidal compounds
CN102271672B (en) 2008-11-19 2015-02-04 梅里亚有限公司 Compositions comprising 1-arylpyrazoles alone or in combination with formamidine for the treatment of parasitic infections
EP2327410A1 (en) 2009-10-28 2011-06-01 Consiglio Nazionale Delle Ricerche - Infm Istituto Nazionale Per La Fisica Della Materia Avermectins and milbemycins for the treatment of flavivirus infections
NZ600252A (en) 2009-12-04 2014-03-28 Merial Ltd Pesticidal bis-organosulfur compounds
NZ600922A (en) 2009-12-17 2013-10-25 Merial Ltd Anti parasitic dihydroazole compounds and compositions comprising same
UA108641C2 (en) 2010-04-02 2015-05-25 PARASITICID COMPOSITION CONTAINING FOUR ACTIVE AGENTS AND METHOD OF APPLICATION
US8822528B2 (en) 2010-11-16 2014-09-02 Merial Limited Monensin derivatives for the treatment and prevention of protozoal infections
CA2840396C (en) 2011-06-27 2020-07-14 Merial Limited Amido-pyridyl ether compounds and compositions and their use against parasites
US20120329832A1 (en) 2011-06-27 2012-12-27 Jean Delaveau Novel Insect-Repellent Coumarin Derivatives, Syntheses, and Methods of Use
PT2755473T (en) 2011-09-12 2019-03-25 Boehringer Ingelheim Animal Health Usa Inc PARASITICIDATED COMPOSITIONS UNDERSTANDING AN ACTIVE ISOXAZOLIN AGENT, METHODS AND ITS USES
WO2013044118A2 (en) 2011-09-23 2013-03-28 Merial Limited Indirect modeling of new repellent molecules active against insects, acarids, and other arthropods
CA2855954C (en) 2011-11-17 2020-09-01 Merial Limited Compositions comprising an aryl pyrazole and a substituted imidazole, methods and uses thereof.
PL232463B1 (en) 2012-02-06 2019-06-28 Merial Inc Veterinary antiparasitic oral compositions, that include systemically acting active substances, methods and applications covering them
JO3626B1 (en) 2012-02-23 2020-08-27 Merial Inc Topical formulations containing fipronil and permethrin and how to use them
MX351636B (en) 2012-04-20 2017-10-23 Merial Ltd Parasiticidal compositions comprising benzimidazole derivatives, methods and uses thereof.
NZ708350A (en) 2012-11-20 2016-08-26 Merial Inc Anthelmintic compounds and compositions and method of using thereof
PT2950795T (en) 2013-01-31 2018-07-30 Merial Inc Method for treating and curing leishmaniosis using fexinindazole
EP3063144B1 (en) 2013-11-01 2021-09-08 Boehringer Ingelheim Animal Health USA Inc. Antiparasitic and pesticidal isoxazoline compounds
EP2886640A1 (en) 2013-12-18 2015-06-24 Riga Technical University Process for isolation of milbemycins A3 and A4
CA2945766C (en) 2014-04-17 2023-09-26 Merial, Inc. Use of malononitrile compounds for protecting animals from parasites
AR100530A1 (en) 2014-05-19 2016-10-12 Merial Inc ANTIHELMINE COMPOUNDS
BR122020023385B1 (en) 2014-06-19 2021-05-25 Merial, Inc parasiticidal compositions comprising indole derivatives, methods and uses thereof
ES2887302T3 (en) 2014-10-31 2021-12-22 Boehringer Ingelheim Animal Health Usa Inc Parasiticidal compositions comprising fipronil
UY36570A (en) 2015-02-26 2016-10-31 Merial Inc INJECTABLE FORMULATIONS OF PROLONGED ACTION THAT INCLUDE AN ISOXAZOLINE ACTIVE AGENT, METHODS AND USES OF THE SAME
EP3280413A1 (en) 2015-04-08 2018-02-14 Merial, Inc. Extended release injectable formulations comprising an isoxazoline active agent, methods and uses thereof
US10081656B2 (en) 2015-05-20 2018-09-25 Merial, Inc. Anthelmintic depsipeptide compounds
US20160347829A1 (en) 2015-05-27 2016-12-01 Merial Inc. Compositions containing antimicrobial IgY antibodies, for treatment and prevention of disorders and diseases caused by oral health compromising (OHC) microorganisms
UY37137A (en) 2016-02-24 2017-09-29 Merial Inc ANTIPARASITARY COMPOUNDS OF ISOXAZOLINE, INJECTABLE FORMULATIONS OF PROLONGED ACTION THAT INCLUDE THEM, METHODS AND USES OF THE SAME
WO2018039508A1 (en) 2016-08-25 2018-03-01 Merial, Inc. Method for reducing unwanted effects in parasiticidal treatments
CN110381738B (en) 2016-10-14 2021-07-16 勃林格殷格翰动物保健美国公司 Pesticidal and parasiticidal vinylisoxazoline compounds
WO2018093920A1 (en) 2016-11-16 2018-05-24 Merial, Inc. Anthelmintic depsipeptide compounds
WO2019005700A1 (en) 2017-06-26 2019-01-03 Merial, Inc. Dual active parasiticidal granule compositions, methods and uses thereof
WO2019036407A1 (en) 2017-08-14 2019-02-21 Merial, Inc. Pesticidal and parasiticidal pyrazole-isoxazoline compounds
US20210137960A1 (en) 2018-02-01 2021-05-13 Yale University Compositions and methods for inhibition of nuclear-penetrating antibodies
WO2019157241A1 (en) 2018-02-08 2019-08-15 Boehringer Ingelheim Animal Health USA Inc. Parasiticidal compositions comprising eprinomectin and praziquantel, methods and uses thereof
PE20211275A1 (en) 2018-07-09 2021-07-19 Boehringer Ingelheim Animal Health Usa Inc HETEROCYCLIC ANTIHELMINTIC COMPOUNDS
EP3883648A1 (en) 2018-11-20 2021-09-29 Boehringer Ingelheim Animal Health USA Inc. Indazolylcyanoethylamino compound, compositions of same, method of making, and methods of using thereof
NZ776819A (en) 2019-01-16 2023-04-28 Boehringer Ingelheim Animal Health Usa Inc Topical compositions comprising a neonicotinoid and a macrocyclic lactone, methods and uses thereof
JP2022522200A (en) 2019-03-01 2022-04-14 ベーリンガー インゲルハイム アニマル ヘルス ユーエスエイ インコーポレイテッド Chlorthron composition for injection, its method and use
KR20220002890A (en) 2019-03-19 2022-01-07 뵈링거 잉겔하임 애니멀 헬스 유에스에이 인코포레이티드 Parasiticidal aza-benzothiophenes and aza-benzofuran compounds
US20220323421A1 (en) 2019-07-22 2022-10-13 Intervet Inc. Soft Chewable Veterinary Dosage Form
MX2022015038A (en) 2020-05-29 2023-01-04 Boehringer Ingelheim Animal Health Usa Inc Anthelmintic heterocyclic compounds.
JP2024504208A (en) 2020-12-21 2024-01-30 ベーリンガー インゲルハイム フェトメディカ ゲーエムベーハー Parasitic collars containing isoxazoline compounds
WO2022238575A1 (en) 2021-05-14 2022-11-17 Syngenta Crop Protection Ag Insect, acarina and nematode pest control
WO2023203038A1 (en) 2022-04-19 2023-10-26 Syngenta Crop Protection Ag Insect, acarina and nematode pest control
WO2025257633A1 (en) 2024-06-12 2025-12-18 Boehringer Ingelheim Vetmedica Gmbh Long-acting castor oil-containing injectable formulations and methods of use thereof

Also Published As

Publication number Publication date
AU5663173A (en) 1974-12-12
CH585514A5 (en) 1977-03-15
ES415591A1 (en) 1976-07-01
FR2187778B1 (en) 1976-06-11
FR2187778A1 (en) 1974-01-18
IL42401A0 (en) 1973-07-30
GB1390336A (en) 1975-04-09
CH585789A5 (en) 1977-03-15
IT986430B (en) 1975-01-30
SU588926A3 (en) 1978-01-15
JPS4914624A (en) 1974-02-08
ZA733857B (en) 1975-04-30
SU1360574A3 (en) 1987-12-15
DE2329486A1 (en) 1973-12-20
DE2329486C2 (en) 1984-01-12
BR7304308D0 (en) 1974-08-29

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