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

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D313/00—Heterocyclic compounds containing rings of more than six members having one oxygen atom as the only ring hetero atom
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07G—COMPOUNDS OF UNKNOWN CONSTITUTION
    • C07G11/00—Antibiotics
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H19/00—Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radical; Nucleosides; Mononucleotides; Anhydro-derivatives thereof
    • C07H19/01—Compounds 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)
  • Dentistry (AREA)
  • Biotechnology (AREA)
  • Plant Pathology (AREA)
  • Agronomy & Crop Science (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Biochemistry (AREA)
  • Pest Control & Pesticides (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
PH15982A (en) * 1977-10-03 1983-05-18 Merck & Co Inc Selective hydrogenation producta of c-076 compounds and derivatives thereof
NZ188459A (en) * 1977-10-03 1982-09-07 Merck & Co Inc Derivatives of c-076 compounds and pesticidal compositions
IL56149A (en) * 1977-12-19 1989-09-28 Merck & Co Inc 13-halo and 13-deoxy derivatives of c-076 compounds,their preparation and method for the treatment of parasitic infections in animals therewith
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
DE3750495T2 (en) * 1986-07-24 1995-02-23 Beecham Group Plc Milbemycin derivatives with parasiticidal activity, a process for their preparation and the compositions containing them.
US4831016A (en) * 1986-10-31 1989-05-16 Merck & Co., Inc. Reduced avermectin derivatives
EP0319142B1 (en) * 1987-11-03 1994-04-06 Beecham Group Plc Intermediates for the preparation of anthelmintic macrolide antibiotics
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
ES2155172T3 (en) * 1995-09-29 2001-05-01 Sankyo Co MILBEMICINE DERIVATIVES 5-OXIMA 13-SUBSTITUTED, ITS PREPARATION AND ITS USE AGAINST INSECTS AND OTHER PESTS.
DE19613972A1 (en) * 1996-04-09 1997-10-16 Bayer Ag Injection formulations of avermectins and milbemycins based on castor oil
US6733767B2 (en) 1998-03-19 2004-05-11 Merck & Co., Inc. Liquid polymeric compositions for controlled release of bioactive substances
GB9825402D0 (en) * 1998-11-19 1999-01-13 Pfizer Ltd Antiparasitic formulations
IL160619A0 (en) 2001-09-17 2004-07-25 Lilly Co Eli Pesticidal formulations pesticidal formulations
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
WO2008005489A2 (en) 2006-07-05 2008-01-10 Aventis Agriculture 1-aryl-5-alkyl pyrazole derivative compounds, processes of making and methods of using thereof
HUE029127T2 (en) 2007-05-15 2017-02-28 Merial Inc Aryloazol-2-yl cyanoethylamino compounds, method of making and method of using thereof
RS58508B1 (en) 2008-11-14 2019-04-30 Merial Inc Enantiomerially enriched aryloazol-2-yl cyanoethylamino paraciticidal compounds
US8450357B2 (en) 2008-11-19 2013-05-28 Merial Limited Compositions comprising an aryl pyrazole and/or a formamidine, methods and uses thereof
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
US8846569B2 (en) 2009-12-04 2014-09-30 Merial Limited Pesticidal bis-organosulfur compounds
ES2569486T3 (en) 2009-12-17 2016-05-11 Merial, Inc. Antiparasitic dihydroazole compounds and compositions comprising the same
UA108641C2 (en) 2010-04-02 2015-05-25 PARASITICID COMPOSITION CONTAINING FOUR ACTIVE AGENTS AND METHOD OF APPLICATION
NZ610547A (en) 2010-11-16 2015-07-31 Merial Ltd Novel monensin derivatives for the treatment and prevention of protozoal infections
WO2013003168A1 (en) 2011-06-27 2013-01-03 Merial Limited Novel insect-repellent coumarin derivatives, syntheses, and methods of use
WO2013003505A1 (en) 2011-06-27 2013-01-03 Merial Limited Amido-pyridyl ether compounds and compositions and their use against parasites
RS61048B1 (en) 2011-09-12 2020-12-31 Boehringer Ingelheim Animal Health Usa Inc Parasiticidal compositions comprising an isoxazoline active agent, method and uses thereof
US20130079394A1 (en) 2011-09-23 2013-03-28 Cnrs (Centre National Recherche Scientifique) Indirect modeling of new repellent molecules active against insects, acarids, and other arthropods
KR102066757B1 (en) 2011-11-17 2020-01-15 뵈링거 잉겔하임 애니멀 헬스 유에스에이 인코포레이티드 Compositions comprising an aryl pyrazole and a substituted imidazole, methods and uses thereof
HUE043949T2 (en) 2012-02-06 2019-09-30 Boehringer Ingelheim Animal Health Usa Inc Parasiticidal oral veterinary compositions comprising systemically-acting active agents, methods and uses thereof
JO3626B1 (en) 2012-02-23 2020-08-27 Merial Inc Topical formulations containing fipronil and permethrin and how to use them
JP6161173B2 (en) 2012-04-20 2017-07-12 メリアル インコーポレイテッド Parasiticidal compositions containing benzimidazole derivatives, methods and uses thereof
SG11201503959VA (en) 2012-11-20 2015-06-29 Merial Inc Anthelmintic compounds and compositions and method of using thereof
PL2950795T3 (en) 2013-01-31 2018-09-28 Merial, Inc. Method for treating and curing leishmaniosis using fexinindazole
US9447084B2 (en) 2013-11-01 2016-09-20 Merial, Inc. Antiparisitic and pesticidal isoxazoline compounds
EP2886640A1 (en) 2013-12-18 2015-06-24 Riga Technical University Process for isolation of milbemycins A3 and A4
CN106455560B (en) 2014-04-17 2020-12-22 勃林格殷格翰动物保健美国公司 Use of malononitrile compounds for protecting animals from parasites
US10045979B2 (en) 2014-05-19 2018-08-14 Merial Inc. Anthelmintic compounds
US9776986B2 (en) 2014-06-19 2017-10-03 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
PY1609250A (en) 2015-02-26 2018-03-01 Merial Inc Long-acting injectable formulations comprising an active agent isoxazoline, methods and uses thereof
SG11201708068PA (en) 2015-04-08 2017-10-30 Merial Inc Extended release injectable formulations comprising an isoxazoline active agent, methods and uses thereof
CN114891070A (en) 2015-05-20 2022-08-12 勃林格殷格翰动物保健美国公司 Insect repellant depsipeptide compound
EP3303385A2 (en) 2015-05-27 2018-04-11 Merial, Inc. Compositions containing antimicrobial igy antibodies, for treatment and prevention of disorders and diseases caused by oral health compromising (ohc) microorganisms
UY40429A (en) 2016-02-24 2023-10-13 Boehringer Ingelheim Animal Health Usa Inc ISOXAZOLE ANTIPARASITIC COMPOUNDS, LONG-ACTING INJECTABLE FORMULATIONS COMPRISING THEM, METHODS AND USES THEREOF
WO2018039508A1 (en) 2016-08-25 2018-03-01 Merial, Inc. Method for reducing unwanted effects in parasiticidal treatments
EP3525590B1 (en) 2016-10-14 2025-08-20 Boehringer Ingelheim Vetmedica GmbH Pesticidal and parasiticidal vinyl isoxazoline compounds
MX2019005628A (en) 2016-11-16 2019-12-18 Boehringer Ingelheim Animal Health Usa Inc Anthelmintic depsipeptide compounds.
EP3644741B1 (en) 2017-06-26 2023-06-07 Boehringer Ingelheim Animal Health USA Inc. Dual active parasiticidal granule compositions, methods and uses thereof
ES2944616T3 (en) 2017-08-14 2023-06-22 Boehringer Ingelheim Animal Health Usa Inc Pyrazole-Isoxazoline Compounds Pesticides and Parasiticides
US20210137960A1 (en) 2018-02-01 2021-05-13 Yale University Compositions and methods for inhibition of nuclear-penetrating antibodies
EP3749096A1 (en) 2018-02-08 2020-12-16 Boehringer Ingelheim Animal Health USA Inc. Parasiticidal compositions comprising eprinomectin and praziquantel, methods and uses thereof
MX2021000293A (en) 2018-07-09 2021-07-15 Boehringer Ingelheim Animal Health Usa Inc Anthelminthic heterocyclic compounds.
US11773066B2 (en) 2018-11-20 2023-10-03 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
EP3930684A1 (en) 2019-03-01 2022-01-05 Boehringer Ingelheim Animal Health USA Inc. Injectable clorsulon compositions, methods and uses thereof
BR112021018631A2 (en) 2019-03-19 2021-11-23 Boehringer Ingelheim Animal Health Usa Inc Aza-benzothiophene and aza-benzofuran anthelmintic compounds
BR112022000982A2 (en) 2019-07-22 2022-03-08 Intervet Int Bv Soft chewable veterinary dosage form
WO2021242581A1 (en) 2020-05-29 2021-12-02 Boehringer Ingelheim Animal Health USA Inc. Anthelmintic heterocyclic compounds
WO2022140728A1 (en) 2020-12-21 2022-06-30 Boehringer Ingelheim Animam Health Usa Inc. Parasiticidal collar comprising isoxazoline compounds
JP2024516912A (en) 2021-05-14 2024-04-17 シンジェンタ クロップ プロテクション アクチェンゲゼルシャフト Control of insect, acarine and nematode pests
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
IT986430B (en) 1975-01-30
SU588926A3 (en) 1978-01-15
ES415591A1 (en) 1976-07-01
GB1390336A (en) 1975-04-09
DE2329486C2 (en) 1984-01-12
BR7304308D0 (en) 1974-08-29
FR2187778A1 (en) 1974-01-18
IL42401A0 (en) 1973-07-30
DE2329486A1 (en) 1973-12-20
SU1360574A3 (en) 1987-12-15
FR2187778B1 (en) 1976-06-11
CH585789A5 (en) 1977-03-15
ZA733857B (en) 1975-04-30
CH585514A5 (en) 1977-03-15
JPS4914624A (en) 1974-02-08
AU5663173A (en) 1974-12-12

Similar Documents

Publication Publication Date Title
IL42401A (en) Antibiotic substances b-41,their production and their use as insecticides and acaricides
SE8001339L (en) ANTIHYPERCOLESTEREMIC MEDICINE, MONACOLINE K AND PREPARATION OF THEREOF
Schroeder et al. Inhibition of aflatoxin production and tentative identification of an aflatoxin intermediate “versiconal acetate” from treatment with dichlorvos
US4435423A (en) Anti-ulcer composition comprising terpenoid containing two functional groups and method of treating ulcers
Teunisson et al. Isolation and structure of a biologically reduced aflatoxin B1
Jüttner et al. The reducing capacities of cyanobacteria for aldehydes and ketones
JPS5661398A (en) Substance dc-45 and its preparation
WO1986001509A1 (en) Xenocoumacins
Ohrui et al. Syntheses with Azido-sugars: Part III. Preparation of d-Oxybiotin
Chien et al. Microbial transformations of natural antitumour agents. Part 15. Metabolism of bruceantin by Streptomyces griseus
US4098998A (en) Aldehyde, oxime and phenylhydrazone derivatives of acid S, an antibiotic produced by Polyangium cellulosum var. fulvum
Steglich et al. Some problems in the structural elucidation of fungal metabolites
JPS57139079A (en) 8,9-epoxy derivative of antibiotic substance b-41 and its preparation
US3932620A (en) Ketones and ketoximes derived from acid S, an antibiotic produced by polyangium cellulosum var. fulvum
IE35230B1 (en) Antibiotic 67-694 and methods for production thereof
GB1500846A (en) Antibiotic a process for its preparation and its use as a medicament
AU573391B2 (en) Xenocoumacins
Medina-Castro Norprodigiosin
Balasubramanya et al. Degradation of carboxin (Vitavax) and oxycarboxin (Plantvax) by Pseudomonas aeruginosa isolated from soil
GB1504994A (en) Naphthyridinomycin antibiotics and preparation thereof
JPS57200389A (en) Fr900261 substance and its preparation
JPS57176942A (en) Antibiotic substance mycoplanecin c derivative and its preparation
JPS55160788A (en) Novel antibiotic substance af-8, and its preparation
de Medina INCORPORATION OF CARBON-14 INTO PRODIGIOSIN
JPS5721383A (en) Novel aminoglycoside and its preparation