WO2013061919A1 - 新規化合物及びその製造法 - Google Patents
新規化合物及びその製造法 Download PDFInfo
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- WO2013061919A1 WO2013061919A1 PCT/JP2012/077229 JP2012077229W WO2013061919A1 WO 2013061919 A1 WO2013061919 A1 WO 2013061919A1 JP 2012077229 W JP2012077229 W JP 2012077229W WO 2013061919 A1 WO2013061919 A1 WO 2013061919A1
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- 235000013877 carbamide Nutrition 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000010261 cell growth Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000012228 culture supernatant Substances 0.000 description 1
- 210000004748 cultured cell Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- 229940043279 diisopropylamine Drugs 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- WEHWNAOGRSTTBQ-UHFFFAOYSA-N dipropylamine Chemical compound CCCNCCC WEHWNAOGRSTTBQ-UHFFFAOYSA-N 0.000 description 1
- 229960001781 ferrous sulfate Drugs 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 235000001727 glucose Nutrition 0.000 description 1
- 230000009036 growth inhibition Effects 0.000 description 1
- 239000006455 gy-medium Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- PFOARMALXZGCHY-UHFFFAOYSA-N homoegonol Natural products C1=C(OC)C(OC)=CC=C1C1=CC2=CC(CCCO)=CC(OC)=C2O1 PFOARMALXZGCHY-UHFFFAOYSA-N 0.000 description 1
- XGIHQYAWBCFNPY-AZOCGYLKSA-N hydrabamine Chemical compound C([C@@H]12)CC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC[C@@]1(C)CNCCNC[C@@]1(C)[C@@H]2CCC3=CC(C(C)C)=CC=C3[C@@]2(C)CCC1 XGIHQYAWBCFNPY-AZOCGYLKSA-N 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- SURQXAFEQWPFPV-UHFFFAOYSA-L iron(2+) sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Fe+2].[O-]S([O-])(=O)=O SURQXAFEQWPFPV-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- JJWLVOIRVHMVIS-UHFFFAOYSA-N isopropylamine Chemical compound CC(C)N JJWLVOIRVHMVIS-UHFFFAOYSA-N 0.000 description 1
- 239000008101 lactose Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- 229940099596 manganese sulfate Drugs 0.000 description 1
- 239000011702 manganese sulphate Substances 0.000 description 1
- 235000007079 manganese sulphate Nutrition 0.000 description 1
- SQQMAOCOWKFBNP-UHFFFAOYSA-L manganese(II) sulfate Chemical compound [Mn+2].[O-]S([O-])(=O)=O SQQMAOCOWKFBNP-UHFFFAOYSA-L 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 231100000647 material safety data sheet Toxicity 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 230000001617 migratory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 238000007479 molecular analysis Methods 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 231100000350 mutagenesis Toxicity 0.000 description 1
- 238000002703 mutagenesis Methods 0.000 description 1
- 231100000243 mutagenic effect Toxicity 0.000 description 1
- 239000002773 nucleotide Substances 0.000 description 1
- 125000003729 nucleotide group Chemical group 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 235000019371 penicillin G benzathine Nutrition 0.000 description 1
- 230000000361 pesticidal effect Effects 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 235000015108 pies Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 244000000003 plant pathogen Species 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000002953 preparative HPLC Methods 0.000 description 1
- 238000012746 preparative thin layer chromatography Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000069 prophylactic effect Effects 0.000 description 1
- 238000011403 purification operation Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- SBYHFKPVCBCYGV-UHFFFAOYSA-N quinuclidine Chemical compound C1CC2CCN1CC2 SBYHFKPVCBCYGV-UHFFFAOYSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 235000014102 seafood Nutrition 0.000 description 1
- 238000010898 silica gel chromatography Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 150000003510 tertiary aliphatic amines Chemical class 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000007222 ypd medium Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/16—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
- C07D309/28—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D309/30—Oxygen atoms, e.g. delta-lactones
-
- 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
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the 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
-
- 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
- A01N63/00—Biocides, pest repellants or attractants, or plant growth regulators containing microorganisms, viruses, microbial fungi, animals or substances produced by, or obtained from, microorganisms, viruses, microbial fungi or animals, e.g. enzymes or fermentates
- A01N63/20—Bacteria; Substances produced thereby or obtained therefrom
- A01N63/28—Streptomyces
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
- A61K31/351—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom not condensed with another ring
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/10—Antimycotics
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D309/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings
- C07D309/32—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only ring hetero atom, not condensed with other rings having two double bonds between ring members or between ring members and non-ring members
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/12—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains three hetero rings
- C07D493/14—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N1/00—Microorganisms, e.g. protozoa; Compositions thereof; Processes of propagating, maintaining or preserving microorganisms or compositions thereof; Processes of preparing or isolating a composition containing a microorganism; Culture media therefor
- C12N1/20—Bacteria; Culture media therefor
- C12N1/205—Bacterial isolates
-
- 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
- C12P1/00—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes
- C12P1/06—Preparation of compounds or compositions, not provided for in groups C12P3/00 - C12P39/00, by using microorganisms or enzymes by using actinomycetales
-
- 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
- C12P15/00—Preparation of compounds containing at least three condensed carbocyclic rings
-
- 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
- C12P17/02—Oxygen as only ring hetero atoms
- C12P17/06—Oxygen as only ring hetero atoms containing a six-membered hetero ring, e.g. fluorescein
-
- 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
- C12P17/16—Preparation of heterocyclic carbon compounds with only O, N, S, Se or Te as ring hetero atoms containing two or more hetero rings
- C12P17/162—Heterorings having oxygen atoms as the only ring heteroatoms, e.g. Lasalocid
-
- 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
- C12P17/181—Heterocyclic compounds containing oxygen atoms as the only ring heteroatoms in the condensed system, e.g. Salinomycin, Septamycin
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12R—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES C12C - C12Q, RELATING TO MICROORGANISMS
- C12R2001/00—Microorganisms ; Processes using microorganisms
- C12R2001/01—Bacteria or Actinomycetales ; using bacteria or Actinomycetales
- C12R2001/465—Streptomyces
Definitions
- the present invention relates to a novel compound useful as an antifungal substance and a method for producing the same using a microorganism.
- scab fungus For a long time, fish disease called scab fungus has been a problem in farms for freshwater fish such as rainbow trout. Sphagnum disease is caused by species of Oomycetes, Saprolegniales, Saprolegniaceae, Saprolegnia, Achlya, and Aphanomyces. Oomyces nets are classified as protozoan irregular hairs by molecular analysis and biochemical research in recent years, and have a fungal-like appearance (Non-patent Document 1). Phytophthora genus of plant pathogens is also in this group. Belongs to.
- Non-patent Document 2 the coloring agent malachite green is active at low concentrations in organisms causing scab mold (Non-patent Document 2) and has been used as a preventive / therapeutic agent because it is inexpensive.
- carcinogenicity has been a concern, and its use in farmed fish has been banned.
- drugs containing the synthetic antibacterial preservative bronopol (C 3 H 6 BrNO 4 ) as an active ingredient are on the market.
- “Piesces” is more expensive than malachite green, and bronopol, an active ingredient, is an edible oyster (EC 50 0.77 mg / L) and daphnia (EC 50 1.4 mg / L) useful as fish food.
- strong toxicity to aquatic organisms such as green algae EC 50 0.0537 mg / L
- there is a problem that dilution with a large amount of water is required when discarding. Therefore, development of a safer and more effective antifungal agent is desired.
- an object of the present invention is to search for a novel antifungal substance from the natural world, and provide the novel substance and a production method thereof.
- the present inventors have found that a compound obtained from a culture solution of a microorganism belonging to the genus Streptomyces is a selective antifungal substance, and the present invention. It came to complete. That is, the present invention includes the following inventions.
- the present invention provides a novel antifungal substance and a method for producing the substance using microorganisms.
- the compounds of the present invention have a very high antifungal activity and have a low impact on the ecosystem. Therefore, it is useful as an antifungal agent, specifically, a preventive or therapeutic agent for fish diseases, or a plant pesticidal agent component caused by oomycetes.
- the compound of the present invention is a compound isolated and purified from actinomycetes (such as Streptomyces sp. TK08046) and has antifungal activity.
- actinomycetes such as Streptomyces sp. TK080466
- the properties of the compound of the present invention and the production method thereof will be described in detail below.
- compound (I 0 -E) At least one compound selected from the group consisting of compounds (hereinafter sometimes referred to as “compound (I 0 -E)”).
- compound (I-1) A compound (hereinafter sometimes referred to as “compound (I-1)”) and / or R is
- Compound (I-2) (Hereinafter also referred to as “compound (I-2)”).
- Compound (I-1) corresponds to Compound (I 0 -A) described above
- Compound (I-2) corresponds to Compound (I 0 -E) described above.
- Compounds (I 0 -A) to (I 0 -E) can form salts (particularly base addition salts) according to conventional methods. Salts of the formed compounds are also included in the present invention.
- Examples of the base addition salt of compounds (I 0 -A) to (I 0 -E) include salts with inorganic bases or organic bases.
- Examples of salts with inorganic bases include ammonium salts, alkali and alkaline earth metal salts such as lithium, sodium, potassium, magnesium, and calcium salts.
- salts with organic bases include primary, Secondary and tertiary aliphatic and aromatic amines (eg methylamine, ethylamine, propylamine, isopropylamine, four butylamine isomers, dimethylamine, diethylamine, diethanolamine, dipropylamine, diisopropylamine, di-n -Butylamine, pyrrolidine, piperidine, morpholine, trimethylamine, triethylamine, tripropylamine, quinuclidine, pyridine, quinoline and isoquinoline, benzathine, N-methyl-D-glucamine, 2-amino-2- (hydroxymethyl) 1,3-propanediol, salts with hydrabamine) as well as, for example arginine, salts with amino acids such as lysine.
- Primary, Secondary and tertiary aliphatic and aromatic amines eg methylamine, ethylamine, propyl
- the compounds (I 0 -A) to (I 0 -E) or salts thereof of the present invention can also be provided as solvates.
- solvates include hydrates, alcohols (eg, methanol, ethanol, etc.) solvates, and the like.
- Microorganisms that can be used in the production method of the present invention are microorganisms that belong to the genus Streptomyces and that can produce a compound represented by the above formula (I 0 ). If it does not specifically limit. Examples of such microorganisms include Streptomyces sp. TK08046, mutants derived from the strain, and similar strains of the strain. The Streptomyces sp. TK08046 strain was received at NITE AP-1138 on August 30, 2011 (August 30, 2011). 2-5-8, Kisarazu City, Kisarazu City, and deposited in Japan under the deposit number NITE P-1138. On October 2, 2012 (October 2, 2012), it was transferred to an international deposit under the Budapest Treaty (Accession Number NITE BP-1138). This strain can produce the above compound (I 0 ).
- the “mutant strain” here is obtained by mutagenesis treatment using any appropriate mutagen, and the term “mutagen” in the broad sense includes, for example, not only a drug having a mutagen effect. It should be understood to include treatments having mutagenic effects such as UV irradiation. Examples of suitable mutagens include ethyl methanesulfonate, UV irradiation, N-methyl-N′-nitro-N-nitrosoguanidine, nucleotide base analogs such as bromouracil and acridines, but any other effect A mutagen can also be used.
- similar strain refers to a strain having a 16S rDNA gene represented by a base sequence of at least 95% homology with the 16S rDNA gene base sequence of Streptomyces sp. TK08046 (shown in SEQ ID NO: 1). Can be mentioned.
- the homology of the 16S rDNA gene may be 95% or more, preferably 97% or more, more preferably 98% or more, and most preferably 100% homology.
- the bacteriological properties of Streptomyces sp. TK08046 are as follows. 1) Cell shape: forming hyphae. 2) Presence or absence of spores: Yes. 3) Starch casein medium: Grows well, colonies are round, trapezoidal, mycelium, and brown overall. 4) Starch casein liquid culture: Grows well. 5) Starch hydrolysis: Decomposes. 6) Production of pigment: Dark brown pigment is produced on agar and liquid media. 7) Growth range (pH): pH 6-9
- a normal microorganism culture method is used for the culture of the microorganism.
- the medium any of a synthetic medium or a natural medium can be used as long as it contains an assimilated carbon source, nitrogen source, inorganic substance, and necessary growth / production promoting substances as appropriate.
- the carbon source glucose, starch, dextrin, mannose, fructose, sucrose, lactose, xylose, arabinose, mannitol, molasses and the like are used alone or in combination.
- hydrocarbons, alcohols, organic acids, amino acids (such as tryptophan) and the like are also used as necessary.
- ammonium chloride, ammonium sulfate, ammonium nitrate, sodium nitrate, urea, peptone, meat extract, yeast extract, dry yeast, corn steep liquor, soybean flour, cottonseed meal, casamino acid, etc. are used alone or in combination.
- inorganic salts such as sodium chloride, potassium chloride, magnesium sulfate, calcium carbonate, potassium dihydrogen phosphate, dipotassium hydrogen phosphate, ferrous sulfate, calcium chloride, manganese sulfate, and zinc sulfate are added as necessary.
- trace components that promote the growth of the microorganisms to be used and the production of the compounds of the present invention can be appropriately added, and such components can be appropriately selected by those skilled in the art.
- liquid culture is suitable, but is not limited thereto.
- the culture temperature is suitably 25 to 37 ° C.
- the pH of the medium during the culture is preferably maintained at 7 to 9
- the shaking speed is preferably 30 to 120 rpm and rotating or reciprocating shaking culture.
- culture means any of culture supernatant, cultured cells, or disrupted cells.
- the culture is separated into culture broth and cells by filtration or centrifugation, and the filtrate is extracted with an organic solvent such as ethyl acetate.
- the culture filtrate is extracted with ethyl acetate, chloroform or the like.
- the extract is concentrated and purified by column chromatography, preparative thin layer chromatography, high performance liquid chromatography or the like to obtain the compound of the present invention.
- the obtained compound is determined to be the compound of the present invention by examining whether or not it exhibits the properties described in “1. Properties of the compound of the present invention” by a usual chemical method such as NMR analysis. Can be confirmed.
- the trend of the compound of the present invention during the culture and purification operations can be traced using UV absorption as an index by high performance liquid chromatography with a photodiode array detector.
- the compound of the present invention has a strong growth inhibitory activity against molds, particularly oomycetes, and therefore can be used as an antifungal agent.
- Antifungal agents containing the compound of the present invention as an active ingredient include, for example, fish mold diseases such as eel cotton scab, coho salmon, rainbow trout, etc. It can be used as a preventive or therapeutic agent for fungus granulomatosis of sweetfish, preferably as an anti-smoldering agent (fish preventive or therapeutic agent) for fish.
- fish preventive or therapeutic agent for fish.
- it is useful as a control agent component of a plant plague caused by oomycetes.
- the compound of the present invention is mixed with a fish sample, mixed with a fish culture tank, or a fish culture tank. You can mix it with the used sand.
- a suspension containing about 0.001 to 0.1% by weight of the compound of the present invention in which fish or an egg thereof is immersed in water or seawater containing about 0.001 to 0.1% by weight of the compound of the present invention. Can be sprayed on the whole body or egg of a fish, or a suspension containing about 0.001 to 0.1% by weight of a compound of the present invention can be inoculated into a vein or abdominal cavity of a fish using a syringe. .
- Streptomyces sp TK08046 strain as producing bacteria of the compound of preparation formula of the compound of formula (I 0) (I 0) .
- the strain was added to 200 mL starch casein medium (starch 1.0%, casein 0.03%, NaCl 0.2%, K 2 HPO 4 0.2%, MgSO 4 0.005%, CaCO 3 0.002%, FeSO 4 ⁇ 7H 2 O 0.001% (W / In a 500 mL baffled Erlenmeyer flask containing V) and pH 7.2), cultivation was carried out at 30 ° C. for 5 days by rotating and shaking (100 rpm), and used as an inoculum for the next large-scale culture.
- the activity against eukaryotic microorganisms was measured as follows using a 96-well microplate.
- Compound (I-1), (I 0 -B), (I 0 -C), (I 0 -D) or (I-2) is suspended in 8% methanol water, and 4000, 2000, 1000, 500, Sample suspensions of 250, 125, 62.5, 32, 16, 8 or 4 ⁇ g / mL were prepared. Also, the pieces were diluted with water to preparecloths aqueous solutions having various concentrations described above.
- Test organisms and culture conditions are as follows.
- Saprolegnia parasitica GY medium (glucose 1%, yeast extract 0.25%, pH 6.5), 18 ° C., 24 hours, Phoma sp .: YPD medium (yeast extract 1%, peptone 2%, glucose 2% , PH 6.5), 30 ° C., 30 hours, Saccharomyces cerevisiae: Sabouraud medium (maltose 4%, peptone 1%, pH 6.0), 30 ° C., 30 hours.
- the activity against prokaryotic microorganisms was measured on an agar plate medium in which a test organism was kneaded by the paper disk method.
- Staphylococcus ocaureus, Bacillus subtilis or Escherichia coli is inoculated into 3 mL of sterilized LB medium (glucose 0.5%, polypeptone 1%, yeast extract 0.5%, NaCl 0.5%, pH 7.2) in a test tube. And incubated overnight at 37 ° C. 1% of this preculture was inoculated into a sterilized LB agar medium (agar 1.5%) to prepare an agar plate for assay.
- Compound (I-1) or (I-2) is dissolved in methanol to prepare a sample solution of 1000, 500, 250, 125, 62.5, 32, 16, 8, 4, 2, or 1 ⁇ g / mL.
- the sample was soaked in a paper disc (ADVANTEC, diameter 8 mm, thick), air-dried, placed on an assay agar plate, and cultured at 37 ° C. overnight. The formation of a blocking circle around the paper disk was observed to determine the presence or absence of activity.
- Anti-algal activity test In each well of a 96-well microplate, 400, 200, 100, 50, 25, 12.5, or 6.25 ⁇ g / logarithmic growth phase of algal culture was suspended in 150 ⁇ L of 8% methanol water. After adding 50 ⁇ L of the sample solution of mL or the above-mentioned various aqueous pieces solution and incubating, cell growth was observed with an inverted microscope, and the cells were regarded as active in the same state as the positive control.
- Chlorella vulgaris a green alga, is cultured in C medium, used as a culture solution of 0.987 ⁇ 0.470 ⁇ 10 7 cells / mL, using cycloheximide (final concentration: 100 ⁇ g / mL) as a positive control, 25 Incubation was performed at 0 ° C. and 30 ⁇ mol photons / m 2 / s.
- Daphnia pulex swimming inhibition activity test The number of individuals was adjusted so that there were 5 daphnia per 10 mL aerated water. Daphnia was an individual within 24 hours after the occurrence, and aerated water was aerated tap water passed through a water purifier for more than 24 hours.
- the minimum inhibitory concentration (MIC) for eukaryotic microorganisms was as follows.
- Compound (I-1) was 0.0039 ⁇ g / mL
- Compound (I 0 -B) was 8 ⁇ g / mL
- Compound (I 0 -C) was 1 ⁇ g / mL
- Compound (I 0- D) was 1 ⁇ g / mL
- Compound (I-2) was 0.0078 ⁇ g / mL.
- the MIC for Pisces saprolegnia parasitica used for comparison was 5.0 ⁇ g / mL.
- the minimum inhibitory concentration (MIC) for prokaryotic microorganisms was as follows. For Staphylococcus aureus, compound (I-1) was 31.2 ⁇ g / mL, compound (I 0 -B) was 250 ⁇ g / mL, compound (I 0 -C) was 125 ⁇ g / mL, compound (I 0 -D ) was 62.5 ⁇ g / mL and Compound (I-2) was 16.0 ⁇ g / mL, and inhibition circles were observed on the agar medium.
- Compound (I-1) was 62.5 ⁇ g / mL
- Compound (I 0 -B) was 250 ⁇ g / mL
- Compound (I 0 -C) was 250 ⁇ g / mL
- Compound (I 0 -D ) was 8.0 ⁇ g / mL
- inhibition circles were observed on the agar medium.
- all of compounds (I-1), (I 0 -B), (I 0 -C), (I 0 -D) and (I-2) have growth inhibition circles. I could't.
- the 50% swimming inhibitory concentration of arthropod Daphnia) pulex was 2.58 ⁇ g / mL for compound (I-1) and 4.48 ⁇ g / mL for compound (I-2).
- the compounds (I-1), (I 0 -B), (I 0 -C), (I 0 -D) and (I-2) have strong activity against Saprolegnia parasitica, It can be seen that although it exhibits an anti-smoldering effect at very low concentrations, it exhibits only weak activity against other eukaryotic and prokaryotic microorganisms. Therefore, it is considered that the compounds (I-1), (I 0 -B), (I 0 -C), (I 0 -D) and (I-2) have selective anti-smoldering activity. It is done. Furthermore, it can be said that the compounds (I-1) and (I-2) have a very low influence on environmental organisms (ecosystems).
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Abstract
Description
(1)式(I0):
(2)式(I):
(3)(1)又は(2)に記載の化合物を生産する能力を有するストレプトマイセス属に属する微生物を培地に培養し、培養物中に該化合物を生成蓄積させ、該化合物を採取することを特徴とする(1)又は(2)に記載の化合物の製造法。
(4)(1)又は(2)に記載の化合物を有効成分として含む抗カビ剤。
本発明の化合物は、式(I0):
R1が、
R1が、
R1が、
R1が、
(1)物質の色 :赤色
(2)分子量 :706
(3)分子式 :C37H38O14
(4)質量分析 :ESI-MS(negative mode) 実測値 705.2
(5)紫外線吸収スペクトル(アセトニトリル中) λmax 217, 317, 424nm
(6)1H NMR(重クロロホルム中で測定、600MHz)
δppm 12.30 (s, 1H), 7.88 (d, J = 8.3 Hz, 1H), 7.61 (d, J = 7.6 Hz, 1H), 6.90 (d, J = 9.6 Hz, 1H), 6.84 (dd, J = 3.4, 10.3 Hz, 1H), 6.67 (dd, J = 3.4, 10.3 Hz, 1H), 6.40 (d, J = 9.6 Hz, 1H), 6.14 (d, J = 10.3 Hz, 1H), 6.06 (d, J = 9.6 Hz, 1H), 5.57 (d, J = 3.4 Hz, 1H), 5.37 (d, J = 3.4 Hz, 1H), 4.87 (d, J = 11.0 Hz, 1H), 4.75 (q, J = 6.2 Hz, 1H), 4.72 (d, J = 6.8 Hz, 1H), 4.67 (brs, 1H), 4.28 (brs, 1H), 3.90 (m, 1H), 3.62 (s, 1H), 3.56 (m, 1H), 3.23 (m, 1H), 3.20 (m, 1H), 2.55 (m, 1H), 2.54 (m, 1H), 2.45 (dd, J= 2.6, 15.8 Hz, 1H), 1.81 (d, J = 15.8 Hz, 1H), 1.47 (s, 3H), 1.44 (d, J= 3.4 Hz, 3H), 1.43 (d, J = 4.1 Hz, 3H), 1.39 (d, J = 6.2Hz, 3H), 1.36 (m, 1H)
(7)13C NMR(重クロロホルム中で測定、125MHz)
δppm 204.2, 196.8, 195.3, 188.1, 182.2, 158.1, 145.3, 142.8, 142.2, 138.8, 138.5, 138.4, 133.7, 130.5, 127.8, 127.4, 119.8, 117.4, 114.0, 95.2, 89.4, 88.8, 82.8, 79.4, 77.0, 74.4, 71.6, 71.3, 71.1, 70.7, 50.2, 42.7, 38.9, 26.5, 18.4, 15.2, 15.1
(8)溶解性 :メタノール、ジメチルスルホキシド(DMSO)、クロロホルムに可溶。水に難溶。
(1)物質の色 :赤色
(2)分子量 :708
(3)分子式 :C37H40O14
(4)質量分析 :ESI-MS(negative mode) 実測値 707.2
(5)紫外線吸収スペクトル(アセトニトリル中) λmax 218, 315, 423nm
(6)1H NMR(重クロロホルム中で測定、600MHz)
δppm 12.28 (brs, 1H), 7.88 (d, J = 7.6 Hz, 1H), 7.61 (d, J = 7.6 Hz, 1H), 6.89 (d, J = 9.6 Hz, 1H), 6.42 (d, J = 9.6 Hz, 1H), 5.40 (t, J = 6.2 Hz, 1H), 5.17 (d, J = 3.4 Hz, 1H), 4.95 (dd, J = 1.4, 11.3 Hz, 1H), 4.71 (q, J = 6.8 Hz, 1H), 4.58 (brs, 1H), 4.51 (q, J = 6.9 Hz, 1H), 4.33 (m, 1H), 3.96 (brs, 1H), 3.80 (m, 1H), 3.56 (m, 1H), 3.48 (t, J = 4.1 Hz, 1H), 3.28 (dd, J = 3.4, 13.1 Hz, 1H), 2.62-2.66 (m, 2H), 2.51 (d, J = 13.1 Hz, 1H), 2.43 (ddd, J = 2.1, 4.8, 13.1 Hz, 1H ), 2.38-2.40 (m, 2H), 2.35 (dd, J = 3.4, 15.4 Hz, 1H), 2.30 (m, 1H), 2.16 (d, J = 3.4 Hz, 1H), 1.79 (d, J = 15.1 Hz, 1H), 1.45 (s, 3H), 1.40 (m, 1H), 1.39 (d, J = 6.2 Hz, 3H), 1.38 (d, J = 6.8 Hz, 3H), 1.37 (d, J = 6.9 Hz, 3H)
(7)13C NMR(重クロロホルム中で測定、125MHz)
δppm 211.0, 208.0, 204.5, 188.2, 182.3, 158.5, 145.3, 139.3, 139.1, 138.5, 133.7, 130.6, 119.8, 117.4, 114.6, 92.8, 91.4, 82.5, 79.9, 77.8, 77.4, 77.1, 74.6, 74.5, 71.5, 71.2, 71.0, 50.5, 44.1, 40.0, 36.7, 33.4, 28.3, 25.8, 17.5, 16.9, 14.8
(8)溶解性 :メタノール、ジメチルスルホキシド(DMSO)、クロロホルムに可溶。水に難溶。
(1)物質の色 :赤色
(2)分子量 :706
(3)分子式 :C37H38O14
(4)質量分析 :ESI-MS(negative mode) 実測値 705.2
(5)紫外線吸収スペクトル(アセトニトリル中) λmax 218, 316, 425nm
(6)1H NMR(重クロロホルム中で測定、600MHz)
δppm 12.20 (brs, 1H), 7.88 (d, J = 7.6 Hz, 1H), 7.60 (d, J = 7.6 Hz, 1H), 6.89 (d, J = 9.6 Hz, 1H), 6.67 (dd, J = 3.4, 10.3 Hz, 1H), 6.40 (d, J = 9.6 Hz, 1H), 6.05 (d, J = 10.3 Hz, 1H), 5.57 (d, J = 3.4 Hz, 1H), 5.17 (d, J = 2.8 Hz, 1H), 4.94 (dd, J = 2.1, 11.0 Hz, 1H), 4.74 (q, J = 7.6 Hz, 1H), 4.70 (q, J = 7.6 Hz, 1H), 4.55 (brs, 1H), 4.32 (m, 1H), 3.81 (m, 1H), 3.56 (brs, 1H), 3.55 (m, 1H), 3.47 (m, 1H), 3.21 (dd, J = 3.4, 13.8 Hz, 1H), 2.62-2.64 (m, 2H), 2.54 (d, J = 13.8 Hz, 1H), 2.45 (m, 1H), 2.45 (dd, J = 2.8, 15.8 Hz, 1H), 1.80 (d, J = 15.8 Hz, 1H), 1.46 (s, 3H), 1.42 (d, J = 6.9 Hz, 3H), 1.38 (m, 1H), 1.38 (d, J = 6.2 Hz, 3H), 1.36 (d, J = 7.6 Hz, 3H)
(7)13C NMR(重クロロホルム中で測定、125MHz)
δppm 208.4, 208.4, 197.4, 188.8, 182.8, 158.5, 146.0, 143.4, 139.3, 139.1, 138.5, 134.3, 131.1, 128.3, 120.4, 117.9, 114.6, 92.0, 89.3, 83.3, 79.9, 78.4, 77.1, 75.2, 75.1, 72.1, 71.8, 71.3, 69.9, 50.8, 43.2, 40.6, 37.3, 27.1, 18.1, 16.8, 15.7
(8)溶解性 :メタノール、ジメチルスルホキシド(DMSO)、クロロホルムに可溶。水に難溶。
(1)物質の色 :赤色
(2)分子量 :822
(3)分子式 :C43H50O16
(4)質量分析 :ESI-MS(negative mode) 実測値 821.3
(5)紫外線吸収スペクトル(アセトニトリル中) λmax 219, 316, 429nm
(6)1H NMR(重クロロホルム中で測定、600MHz)
δppm 12.30 (brs, 1H), 7.87 (d, J = 7.6 Hz, 1H), 7.60 (d, J = 7.6 Hz, 1H), 6.90 (d, J = 9.6 Hz, 1H), 6.87 (dd, J = 3.6, 10.1 Hz, 1H), 6.41 (d, J = 9.6 Hz, 1H), 6.04 (d, J = 10.1 Hz, 1H), 5.40 (t, J = 6.3 Hz, 1H), 5.25 (d, J = 3.6 Hz, 1H), 4.97 (brs, 1H), 4.97 (brs, 1H), 4.86 (dd, J = 1.4, 11.3 Hz, 1H), 4.58 (brs, 1H), 4.55 (q, J = 6.7 Hz, 1H), 4.51 (q, J = 6.6 Hz, 1H), 4.22 (m, 1H), 3.95 (brs, 1H), 3.79 (m, 1H), 3.70 (brs, 1H), 3.54 (m, 1H), 3.20 (dd, J = 3.0, 13.1 Hz, 1H), 3.04 (t, J = 8.4 Hz, 1H), 2.51 (d, J = 13.1 Hz, 1H), 2.50 (m, 1H), 2.36-2.38 (m, 2H), 2.35 (dd, J = 3.0, 15.2 Hz, 1H), 2.29 (m, 1H), 2.09 (m, 1H), 2.08 (m, 1H), 1.96 (m, 1H), 1.86 (m, 1H), 1.79 (d, J = 15.2 Hz, 1H), 1.67 (m, 1H), 1.44 (s, 3H), 1.39 (d, J = 6.6 Hz, 3H), 1.38 (d, J = 6.7 Hz, 3H), 1.36 (m, 1H), 1.34 (d, J = 6.0 Hz, 3H), 1.26 (d, J = 6.8 Hz, 3H)
(7)13C NMR(重クロロホルム中で測定、125MHz)
δppm 210.9, 204.5, 197.0, 188.2, 182.2, 158.1, 145.3, 142.8, 138.2, 138.1, 138.0, 133.7, 130.4, 127.5, 119.1, 117.4, 113.9, 98.9, 95.8, 92.8, 88.4, 82.5, 79.8, 76.7, 75.6, 73.9, 72.0, 70.8, 70.5, 70.2, 67.3, 50.5, 44.1, 38.2, 33.4, 28.3, 25.8, 24.6, 23.8, 18.5, 16.5, 14.8, 14.6
(8)溶解性 :メタノール、ジメチルスルホキシド(DMSO)、クロロホルムに可溶。水に難溶。
(1)物質の色 :赤色
(2)分子量 :820
(3)分子式 :C43H48O16
(4)質量分析 :ESI-MS(negative mode) 実測値 819.4
(5)紫外線吸収スペクトル(アセトニトリル中) λmax:218, 317, 428nm
(6)比旋光度[α]D +84(c = 0.2、メタノール、25℃)
なお、化合物(I-2)の加水分解物アグリコンの比旋光度[α]Dは、+119(c = 0.07、メタノール、25℃)であった。
(7)1H NMR(重クロロホルム中で測定、600MHz)
δppm 12.30 (s, 1H), 7.86 (d, J = 7.5 Hz, 1H), 7.59 (d, J= 7.5 Hz, 1H), 6.86 (dd, J = 3.4, 10.3 Hz, 1H), 6.67 (dd, J = 4.1, 10.3 Hz, 1H), 6.39 (d, J = 9.6 Hz, 1H), 6.09 (d, J = 10.3 Hz, 1H), 6.04 (d, J = 10.3 Hz, 1H), 5.57 (d, J = 4.1 Hz, 1H), 5.24 (d, J = 3.4 Hz, 1H), 4.97 (brs, 1H), 4.93 (brs, 1H) 4.83 (dd, J = 1.4, 10.3 Hz, 1H), 4.71 (q, J = 6.2 Hz, 1H), 4.57 (s, 1H), 4.55 (d, J = 6.9 Hz, 1H), 4.22 (dq, J = 1.5, 6.8 Hz, 1H), 3.79 (m, 1H), 3.69 (brs, 1H), 3.54 (m, 1H), 3.20 (dd, J = 3.4, 13.0 Hz, 1H), 3.04 (m, 1H), 2.53 (d, J = 13.0 Hz, 1H), 2.49 (ddd, J= 1.4, 5.2, 13.1 Hz, 1H), 2.44 (dd, J = 3.4, 15.1 Hz, 1H), 2.10 (m, 1H), 2.08 (m, 1H), 1.93 (m, 1H), 1.80 (d, J = 15.1 Hz, 1H), 1.68 (m, 1H), 1.45 (s, 3H), 1.41 (d, J = 6.9 Hz, 3H), 1.37 (d, J = 6.2 Hz, 3H), 1.36 (dd, J = 5.2, 13.1 Hz, 1H), 1.34 (d, J = 6.2 Hz, 3H), 1.25 (d, J = 6.8 Hz, 3H)
(8)13C NMR(重クロロホルム中で測定、125MHz)
δppm 203.6, 196.3, 196.1, 187.6, 181.8, 157.6, 144.8, 142.4, 142.2, 138.2, 138.1, 138.0, 133.2, 129.9, 127.1, 127.0, 119.3, 116.8, 113.4, 98.9, 94.8, 88.4, 88.2, 82.3, 78.8, 76.7, 75.6, 74.0, 70.9, 70.5, 70.2, 70.1, 67.3, 49.7, 42.1, 38.2, 26.0, 24.6, 23.8, 18.0, 16.5, 14.7, 14.6
(9)溶解性 :メタノール、ジメチルスルホキシド(DMSO)、クロロホルムに可溶。水に難溶。
2.1.式(I0)で表される化合物の製造
本発明の式(I0)で表される化合物は、微生物を培地に培養し、培養物中に該化合物を生成蓄積させ、該培養物から該化合物を採取することにより製造することができる。
本発明の製造方法において用いることのできる微生物としては、ストレプトマイセス(Streptomyces)属に属し、かつ上記式(I0)で表される化合物を生産することが可能な微生物であれば特に限定されない。そのような微生物としては、例えば、ストレプトマイセス・スピーシーズTK08046株、及び該菌株に由来する変異株、あるいは該菌株の類似菌株を挙げることができる。なお、ストレプトマイセス・スピーシーズTK08046株は、受領番号NITE AP-1138で、平成23年8月30日(2011年8月30日)に、独立行政法人製品評価技術基盤機構特許微生物寄託センター(千葉県木更津市かずさ鎌足2-5-8)に受領され、受託番号NITE P-1138で国内寄託された。また、平成24年10月2日(2012年10月2日)にブダペスト条約に基づく国際寄託へ移管した(受託番号NITE BP-1138)。この菌株は、上記(I0)の化合物を製造することができる。
1) 細胞の形:菌糸を形成する。
2) 胞子の有無 :有り。
3) スターチカゼイン培地 :良好に生育,コロニーは円形,台状,菌糸状,全体的に褐色。
4) スターチカゼイン液体培養 :良好に生育。
5) デンプンの加水分解 :分解する。
6) 色素の生成 :寒天培地、液体培地で暗褐色の色素を生産。
7) 生育の範囲(pH):pH6~9
本発明における微生物の培養は、通常の微生物の培養方法が用いられる。培地としては、資化可能な炭素源、窒素源、無機物及び必要な生育・生産促進物質を適宜含有する培地であれば、合成培地又は天然培地のいずれでも使用可能である。炭素源としては、グルコース、澱粉、デキストリン、マンノース、フラクトース、シュークロース、ラクトース、キシロース、アラビノース、マンニトール、糖蜜などを単独又は組み合わせて用いられる。さらに、必要に応じて炭化水素、アルコール類、有機酸、アミノ酸(トリプトファンなど)なども用いられる。窒素源としては塩化アンモニウム、硫酸アンモニウム、硝酸アンモニウム、硝酸ナトリウム、尿素、ペプトン、肉エキス、酵母エキス、乾燥酵母、コーン・スチープ・リカー、大豆粉、綿実かす、カザミノ酸などが単独又は組み合わせて用いられる。そのほか、必要に応じて食塩、塩化カリウム、硫酸マグネシウム、炭酸カルシウム、リン酸二水素カリウム、リン酸水素二カリウム、硫酸第一鉄、塩化カルシウム、硫酸マンガン、硫酸亜鉛などの無機塩類を加える。さらに使用する微生物の生育や本発明の化合物の生産を促進する微量成分を適当に添加することができ、そのような成分は当業者であれば適当なものを選択することができる。
培養物から本発明の化合物を単離・精製するには、微生物代謝生産物をその培養物から単離・精製するために常用される方法に従って行われる。ここで、「培養物」とは、培養上清、培養菌体、又は菌体の破砕物のいずれをも意味するものである。例えば培養物を濾過や遠心分離により培養瀘液と菌体に分け、濾液を酢酸エチルなど有機溶媒で抽出する。また培養濾液は酢酸エチル、クロロホルムなどで抽出する。ついで、抽出液を濃縮し、カラムクロマトグラフィー、分取薄層クロマトグラフィー、高速液体クロマトグラフィーなどにより精製を行い、本発明の化合物を得る。得られた化合物は、NMR解析などの通常の化学的手法により、上記「1.本発明の化合物の性質」に記載した性質を示すか否かを調べることにより、本発明の化合物であることを確認することができる。
本発明の化合物は、下記の実施例に示すように、カビ類、特に卵菌類への発育阻害活性が強いので、抗カビ剤として利用することができる。本発明の化合物を有効成分として含む抗カビ剤は、例えば、魚類のカビ病、例えば、ウナギの綿かぶり病、ギンザケ、ニジマス等のミズカビ病、サケ科魚類稚魚の内臓真菌症、ペヘレイのミズカビ病、アユの真菌性肉芽腫症等の予防薬又は治療薬、好ましくは魚用の抗ミズカビ剤(ミズカビ予防薬又は治療薬)等として利用することができる。また、卵菌類を起因生物とする植物疫病の防除剤成分として有用である。
式(I0)の化合物の生産菌としてストレプトマイセス・スピーシーズTK08046株を用いた。該菌株を、200mLのスターチカゼイン培地(スターチ 1.0%、カゼイン 0.03%、NaCl 0.2%、K2HPO4 0.2%、MgSO4 0.005%、CaCO3 0.002%、FeSO4・7H2O 0.001% (W/V)、pH 7.2)を入れた500mLのバッフル付き三角フラスコ中で、30℃にて5日間回転振盪(100rpm)培養し、次に行う大量培養の種菌とした。この種菌培養物を600mLのスターチカゼイン培地の入った2Lの坂口フラスコ3本(計1.8L)に10mLずつ植菌し、30℃、7日間、往復震盪(110rpm)培養した。培養中、培地のpHは特に制御しなかった。
真核微生物に対する活性は、96穴マイクロプレートを用いて以下のようにして測定した。化合物(I-1)、(I0-B)、(I0-C)、(I0-D)又は(I-2)は8%メタノール水に懸濁し、4000、2000、1000、500、250、125、62.5、32、16、8又は4μg/mLの試料懸濁液を調製した。また、パイセスは水で希釈して、上記各種濃度のパイセス水溶液を調製した。96穴マイクロプレートの各ウェルに各種濃度の試験液50μl、滅菌した4倍濃縮液体培地50μl、予め準備した被検生物の胞子懸濁液または菌懸濁液100μlを分注した。実験は2連で行い、被検生物に応じた温度で一定時間培養後に、微生物の生育を倒立顕微鏡で観察し、活性の有無を判断した。被検生物および培養条件は以下の通りである。ミズカビ(Saprolegnia parasitica):GY培地(グルコース1%、酵母エキス0.25%、pH6.5)、18℃、24時間、Phoma sp.:YPD培地(酵母エキス1%、ペプトン2%、グルコース2%、pH6.5)、30℃、30時間、Saccharomyces cerevisiae:サブロー培地(マルトース4%、ペプトン1%、pH 6.0)、30℃、30時間。
96穴マイクロプレートの各ウェルに、対数増殖期の藻類培養液を150μL、8%メタノール水に懸濁した400、200、100、50、25、12.5、又は6.25μg/mLの試料溶液、又は上記各種濃度のパイセス水溶液を50μL加え、インキュベートした後、倒立顕微鏡で細胞の増殖を観察してポジティブコントロールと同等の状態の場合活性ありとした。緑藻であるクロレラ(Chlorella vulgaris)はC培地で培養し、0.987±0.470×107cells/mLの培養液とし、ポジティブコントロールとしてシクロヘキシミド(最終濃度:100μg/mL)を使用し、25℃、30μmol photons/m2/sの条件でインキュベートした。
曝気水10mLに対してミジンコが5個体になるように個体数を調整した。ミジンコは発生後24時間以内の個体を用い、曝気水は浄水器を通した水道水を24時間以上曝気したものを用いた。該ミジンコ飼育水に、化合物(I-1)又は(I-2)をメタノールに溶解した試料溶液、又はパイセスを水で希釈したパイセス水溶液を、ミジンコ飼育水中における試料又はパイセスの最終濃度が100、10、1、0.1又は0.01μg/mLとなるように攪拌しながら添加して24時間インキュベート(20℃、17μmol photons/m2/s、Light:Dark=16:8)し、遊泳している個体数を測定した。ミジンコ5個体を1群とし、上記の各種最終濃度の試験液について2群用いて実験を行い、得られた結果から、統計ソフトSPSSを用いたプロビット法によりIC50値を算出した。
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US20140309438A1 (en) | 2014-10-16 |
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US8980586B2 (en) | 2015-03-17 |
EP2772544B1 (en) | 2016-06-22 |
EP2772544A4 (en) | 2015-04-29 |
CL2014001036A1 (es) | 2014-11-21 |
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