EP1474413A2 - Nouvelles decalactones provenant de champignons associes d'eponges marines et leurs derives synthetiques utilises comme medicaments - Google Patents

Nouvelles decalactones provenant de champignons associes d'eponges marines et leurs derives synthetiques utilises comme medicaments

Info

Publication number
EP1474413A2
EP1474413A2 EP02740533A EP02740533A EP1474413A2 EP 1474413 A2 EP1474413 A2 EP 1474413A2 EP 02740533 A EP02740533 A EP 02740533A EP 02740533 A EP02740533 A EP 02740533A EP 1474413 A2 EP1474413 A2 EP 1474413A2
Authority
EP
European Patent Office
Prior art keywords
straight
chain
branched
alkyl
formula
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.)
Withdrawn
Application number
EP02740533A
Other languages
German (de)
English (en)
Inventor
Gerhard Bringmann
Peter Proksch
Markus Heubes
Ru Angelie Edrada
Jalan Karrtini Sudarsono
Eckhard Günther
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.)
Biotec Marin GmbH
Original Assignee
Biotec Marin GmbH
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 Biotec Marin GmbH filed Critical Biotec Marin GmbH
Publication of EP1474413A2 publication Critical patent/EP1474413A2/fr
Withdrawn legal-status Critical Current

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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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
    • A61P31/04—Antibacterial agents
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P33/00—Antiparasitic agents
    • A61P33/02—Antiprotozoals, e.g. for leishmaniasis, trichomoniasis, toxoplasmosis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • 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
    • C12P17/08—Oxygen as only ring hetero atoms containing a hetero ring of at least seven ring members, e.g. zearalenone, macrolide aglycons

Definitions

  • the large number of substances present in the extracts of the marine organisms mentioned requires methods for the rapid and intensive differentiation of already known and novel compounds.
  • the 'LC triad' is particularly suitable here, a coupling of HPLC with NMR, MS and CD (G. Bringmann et al., Anal. Chem. 70, 2805-2811, 1998 and G. Bringamnn et al. , Anal. Chem. 71, 2678-2686, 1999).
  • This method not only allows the determination of known substances, but, under suitable circumstances, even the elucidation of the structures up to the absolute configuration directly from the extracts.
  • the development of tumors is a fundamental disease of higher organisms in the plant, animal and human kingdoms.
  • the generally recognized multi-step model of cancer development assumes that through Accumulation of several mutations in a single cell, the proliferation and differentiation behavior of which is changed in such a way that a malignant state with metastasis is ultimately achieved via benign intermediates.
  • cancer or tumor hides a clinical picture with more than 200 different individual diseases.
  • Tumor diseases can be benign or malignant.
  • the most important tumors are those of the lungs, breast, stomach, cervix, prostate, head and neck, colon and rectum, liver and blood system.
  • prognosis and therapy behavior More than 90% of the identified cases relate to solid tumors that are difficult or not treatable, particularly in an advanced stage or with metastasis.
  • a new way to treat cancer is to turn off the cancer
  • new decalactones are described as 10-membered macrolides with a fused 1,3-dihydroxybenzene ring. These natural products had never been synthetically produced or isolated from any biological source. Described are 12-membered macrolides of the curvularine type from terrestrial strains of Curvularia (OCMusgrave, J. Org. Chem., 4301-4305, 1956), Penicillium sp. (S.Lai, Y. Shizuri, S. Yamamura, K. Kawai, Y. Tearda and H. Furukuwa, Tetrahedron Lett., 2241-2244, 1989),
  • the object of the invention is isolation, structure elucidation, synthesis and
  • the compounds described in the invention are to be used as an active ingredient in medicaments.
  • the drugs can be used to combat diseases in humans and animals.
  • the invention relates to new biologically active decalactones from associated fungi of marine sponges, their synthesis and their synthetic derivatives as medicaments.
  • the new compounds have the general formula I:
  • the compounds according to formula I can be present as R and S enantiomers, as (R, R), (S, S), (R, S) and (S, R) stereoisomers and in the form of all possible stereoisomer mixtures ,
  • R 1 H; straight-chain or branched (CrC 6 ) alkyl, preferably methyl; (CrC ⁇ J-alkyl, preferably benzyl; mono- or polysubstituted by (C 6 -C ⁇ ) aryl; straight-chain or branched carboxy (C ⁇ -C ⁇ ) alkyl; straight-chain or branched (CrC ⁇ J-alkoxycarbonyl; straight-chain or branched (C ⁇ -C ⁇ 2 ) alkylcarbonyl, preferably acetyl; (C 2 -C 6 ) alkenyl, preferably allyl; (C 2 -C 6 ) alkynyl, preferably ethynyl or propargyl; straight-chain or branched cyano- (CrC6) -alkyl , preferably cyanomethyl or benzyloxy, 9-fluorenylmethoxy-carbonyl (Fmoc-), tripheny
  • the rest R 2 H; straight-chain or branched (CrC ⁇ J-alkyl, preferably methyl; mono- or polysubstituted by (C 6 -C 14 ) -aryl can be (CrC 6 ) -alkyl, preferably benzyl; straight-chain or branched carboxy- (C ⁇ -C ⁇ 8 ) - Alkyl; straight-chain or branched (-C-C 6 ) alkoxycarbonyl; straight-chain or branched (d-C ⁇ 2 ) alkylcarbonyl, preferably acetyl; (C 2 -C6) alkenyl, preferably allyl; (C 2 -C 6 ) alkynyl , preferably ethynyl or propargyl; straight-chain or branched cyano- (CC 6 ) -alkyl, preferably cyanomethyl or benzyloxy, 9-fluorenylmethoxycarbonyl (Fmoc
  • X O, S, NOH, NOR 4 with R 4 straight or branched (CC 6 ) alkyl, preferably methyl; (C 6 -C 14) aryl which is mono- or polysubstituted (C C ⁇ ) alkyl, preferably benzyl; straight-chain or branched carboxy (Cr C ⁇ s) alkyl; straight-chain or branched (-C-C ⁇ ) alkoxycarbonyl; straight-chain or branched (C 2 -C 2 ) alkylcarbonyl, preferably acetyl.
  • Y can be O or S.
  • the marine sponge Xestospongia exigua occurs in the Bali Sea of Indonesia. This sponge was collected and the fungus Penicillium sp. isolated. The fungus was cultivated and new natural substances in the form of fungus metabolites were isolated from the culture broth after on-line investigations of the extract with HPLC-MS / MS, HPLC-NMR and HPLC-CD. The new isolated compounds are referred to as xestodecalactones A, B and C. The xestodecalactones A, B and C were converted into new, previously unknown chemical derivatives using known chemical reactions. The compounds according to the invention can be converted into pharmaceutical dosage forms suitable for therapeutic use using known techniques. Suitable pharmaceutical dosage forms are: ointments, drops, tablets, capsules, suppositories, suitable forms for injection, suitable forms for nasal use and suitable forms for inhalation use.
  • the pharmaceutical dosage forms used can be used intravenously, intramuscularly, intradermally, subcutaneously, intraperitoneally, rectally, topically and intravenously in the form of liposomes.
  • the invention further includes a process for the preparation of the compounds of general formula I from a biological source.
  • fungus Penicillium sp. isolated, cultivated and the compounds isolated and purified from the culture broth in a suitable manner.
  • the invention further includes a process for the synthesis of the compounds of general formula I from known chemical precursors by means of known chemical reactions.
  • the invention consists in the sensible combination of these reactions according to general synthetic route A.
  • the compounds according to the invention are to be used as medicaments for combating human diseases or animal diseases.
  • the diseases can be cancer, disorders of the endocrine metabolism or inflammatory diseases such as psoriasis, arthritis, Crohn's disease or asthma.
  • the compounds according to the invention are to be used for the treatment of infectious diseases, for example fungal diseases or diseases caused by plasmodia or tripanosomes.
  • the compounds according to the invention preferably act via the interaction of endogenous proteins, cellular kinases or via hormone receptors which influence cell metabolism and / or cell growth.
  • the kinases can be receptors and enzymes of the cell's own signal processing cascade, such as receptor tyrosine, non-receptor tyrosine and serine / threonine kinases.
  • the hormone receptors can be, for example, G protein-coupled receptors.
  • an interaction with proteins of the cellular cytoskeleton is possible, an example of which is tubulin. Another, previously unknown biological mechanism of action for the claimed compounds can also be assumed.
  • the compounds of the invention are also able to kill microorganisms.
  • the claimed compounds are obtained from the mycelium and culture filtrate of a fungus.
  • the fungus is preferably Penicillium sp.
  • the compounds according to the invention are isolated from other biological sources, in particular from other strains of Penicillium.
  • the fungus Penicillium sp. occurs with a marine sponge.
  • the sponge is Xestospongia exigua. But it is also conceivable that the fungus occurs in other marine sponges.
  • the marine sponge Xestospongia exigua occurs in the coastal waters of the island of Mengangan in the Bali Sea of Indonesia.
  • the marine sponge Xestospongia exigua can also be found in other waters.
  • the fungus Penicillium sp. also occur in other sponges.
  • the claimed compounds are extracted from the culture medium of the fungus Penicillium sp. isolated by known methods.
  • the fungus Penicillium sp. can also be artificially propagated and cultivated without a sponge.
  • a specimen strain of the fungus Penicillium sp. with the registration number HBI-3 is kept at the Alfred Wegener Institute for Polar and Marine Research in Bremerhaven.
  • the fungus Penicillium sp. is isolated from freshly collected samples of the marine sponge Xestospongia exigua.
  • the sponge is collected by diving.
  • Tissue samples are obtained from part of the sponge body and applied to a suitable nutrient medium.
  • Agar is preferably used. Incubation takes place at temperatures between 25 - 32 ° C.
  • the medium used contains nutrients, auxiliary substances and salts, preferably malt extract and sea salt.
  • the culture is propagated in the usual way, and pure strains of Penicillium sp. isolated. Before the extraction, the fungus is allowed to grow in a suitable medium.
  • a suitable medium is, for example, the malt-broth medium.
  • mycelia and culture filtrate are collected and extracted with organic solvents.
  • Methanol and ethyl acetate are preferably used, but other solvents such as ethanol, propanol, butanol, ether, n-hexanes, gasoline, toluene, acetone, methylene chloride, methyl ethyl ketone and tert-butyl acetate are also conceivable.
  • the combined extracts are evaporated to dryness in vacuo.
  • the extract is examined for ingredients using HPLC-NMR-MS / MS-CD coupling.
  • the crude product obtained is separated using a chromatographic method.
  • Vacuum liquid chromatography is preferably used, but other chromatographic methods are also conceivable.
  • Silicon dioxide is used as the stationary phase, but it is also the use of other stationary phases such as, for example, aluminum oxide or cellulose or a separation by liquid-liquid chromatography, e.g. NSCCC, conceivable.
  • a solvent gradient consisting of two or more organic solvents is used. Methylene chloride and methanol are preferably used, but there are also others
  • Solvent mixtures consisting of the combination of two or three of the following solvents: ethanol, propanol, butanol, ether, n-hexane, gasoline, toluene, acetone, ethyl acetate, methyl ethyl ketone, tert-butyl acetate.
  • Various fractions are collected and examined for their content of the compounds according to the invention.
  • the coupling of HPLC with NMR, MS / MS and CD spectroscopy is preferably used directly in the mixture.
  • the compounds according to the invention are usually obtained according to the lipophilic constituents of the extract.
  • the crude products are purified using a chromatographic method on a suitable support material with a solvent gradient.
  • semi-preparative HPLC is used as the chromatographic method.
  • the cleaning can also be carried out by recrystallization from a suitable solvent or solvent mixture.
  • the fungus Penicillium sp. is isolated from freshly collected samples of the marine sponge Xestospongia exigua. Tissue samples are obtained from the inside of the sponge body under sterile conditions and applied to malt agar slant culture. These slant cultures contain malt extract (15g / L) and sea salt (24.4g / L) and are incubated at 27 ° C. From the growing culture, pure strains of Penicillium sp. isolated. Before the extraction, the mushroom is allowed to grow in malt broth medium (25 g malt extract in 1 liter sea water). After 41 days of incubation, mycelia and culture filtrate are collected and washed with methanol and
  • the compounds according to the invention can also be produced by chemical synthesis from known starting materials.
  • the compounds of the invention are prepared by the synthetic route outlined in Scheme A.
  • the compounds are obtained as racemic mixtures.
  • compound 5 can also be produced enantioselectively by a selective reducing agent in any configuration can be used to synthesize 6. In this way, connection 9 can be produced in any possible configuration.
  • Trifluoroacetic acid / trifluoroacetic anhydride dissolved 2: 1 and 2 h at room temperature. ditched. The reagent was then removed in vacuo and the residue was partitioned between benzene and 2 N KHC0 3 . After the benzene layers had been evaporated off, the residue was recrystallized from ethyl acetate / hexane.
  • Alkylation reactions, acylation reactions and the benzylation of the hydroxyl groups in the compounds according to formula I Alkylation reactions, acylation reactions and the benzylation of the hydroxyl groups in the compounds according to formula I.
  • the oxygen atoms of the keto and ester carbonyl groups can be replaced by sulfur, for example.
  • the claimed compounds have interesting biological properties which make them suitable for use as an active ingredient in pharmaceuticals.
  • the claimed compounds are to be used as anti-cancer agents and as anti-infectives.
  • the compounds and derivatives inhibit the multiplication of certain yeast strains such as C. albicans and thus have fungicidal properties.
  • the biological effect against the growth of tumor cells is tested using the commercially available XTT test.
  • Different tumor cell lines such as L1210, SKOV3, MCF-7 are used.
  • the effect of the compounds on cell proliferation and thus the number of cells is determined indirectly via their mitochondrial activity.
  • This non-radioactive colorimetric assay system is based on the test system of Scudiero et al., Cancer Res. 48, 4827-4833, 1988.
  • the basic reaction is the mitochondrial dehydrogenation of the yellow tetrazolium salt XTT in the orange formazan dye. Dehydrogenation takes place only in the active mitochondria and correlates with it with the number of living cells.
  • the formazan dye formed is measured spectrophotometrically at 490 nm and then quantified.
  • the compounds are used for the test in concentrations of 0.003 ⁇ g to 3.16 ⁇ g per ml.
  • the anti-infective effect is tested using customary and commercially available test methods.

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  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Communicable Diseases (AREA)
  • Wood Science & Technology (AREA)
  • Oncology (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Biotechnology (AREA)
  • Microbiology (AREA)
  • Tropical Medicine & Parasitology (AREA)
  • Biochemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Genetics & Genomics (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pyrane Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)

Abstract

L'invention concerne l'isolement, la reconnaissance de structure, la synthèse et l'utilisation de décalactones et de leurs dérivés comme médicaments. Ces nouvelles substances naturelles ont été isolées à partir du bouillon de culture d'un champignon présent en association dans une éponge marine. L'invention concerne par ailleurs la synthèse de ces substances naturelles et de leurs dérivés. Ces substances naturelles et leurs dérivés synthétiques peuvent être utilisés comme principes actifs dans des médicaments, en particulier comme agents anticancéreux et anti-infectieux.
EP02740533A 2001-05-09 2002-04-27 Nouvelles decalactones provenant de champignons associes d'eponges marines et leurs derives synthetiques utilises comme medicaments Withdrawn EP1474413A2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10122523A DE10122523A1 (de) 2001-05-09 2001-05-09 Neue Decalactone aus assoziierten Pilzen mariner Schwämme und deren synthetische Derivate als Arzneimittel
DE10122523 2001-05-09
PCT/EP2002/004676 WO2002092589A2 (fr) 2001-05-09 2002-04-27 Nouvelles decalactones provenant de champignons associes d'eponges marines et leurs derives synthetiques utilises comme medicaments

Publications (1)

Publication Number Publication Date
EP1474413A2 true EP1474413A2 (fr) 2004-11-10

Family

ID=7684155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02740533A Withdrawn EP1474413A2 (fr) 2001-05-09 2002-04-27 Nouvelles decalactones provenant de champignons associes d'eponges marines et leurs derives synthetiques utilises comme medicaments

Country Status (5)

Country Link
EP (1) EP1474413A2 (fr)
JP (1) JP2004534756A (fr)
AR (1) AR035240A1 (fr)
DE (1) DE10122523A1 (fr)
WO (1) WO2002092589A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101620815B1 (ko) 2014-05-21 2016-05-13 한국생명공학연구원 해양 진균에서 분리한 페니실리놀라이드 a를 유효성분으로 함유하는 염증성 질환 예방 및 치료용 조성물
CN116425767A (zh) * 2023-04-18 2023-07-14 西南医科大学 一种海洋真菌来源的甾体衍生物及其制备方法和应用

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497300A1 (fr) * 1991-01-30 1992-08-05 Hoechst Aktiengesellschaft Produits naturels de structure cyclique de lactone à dix atomes, leur procédé de préparation et leur utilisation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02092589A2 *

Also Published As

Publication number Publication date
WO2002092589A2 (fr) 2002-11-21
WO2002092589A3 (fr) 2004-09-02
AR035240A1 (es) 2004-05-05
JP2004534756A (ja) 2004-11-18
DE10122523A1 (de) 2002-11-14

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