| Record Information |
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| Version | 2.0 |
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| Created at | 2022-09-12 02:13:39 UTC |
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| Updated at | 2022-09-12 02:13:40 UTC |
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| NP-MRD ID | NP0323056 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | (7ar,8ar,8bs,8cr)-1,6,8c-trihydroxy-7ah,8ah,8bh,9h,10h-peryleno[1,2-b]oxirene-7,11-dione |
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| Description | Stemphyltoxin II belongs to the class of organic compounds known as perylenequinones. These are heterocyclic compounds characterized by two 8-hydroxy-1,4-dihydronaphthalen-1-one moieties joined together one or two CC-bonds. (7ar,8ar,8bs,8cr)-1,6,8c-trihydroxy-7ah,8ah,8bh,9h,10h-peryleno[1,2-b]oxirene-7,11-dione is found in Alternaria cassiae and Stemphylium botryosum. (7ar,8ar,8bs,8cr)-1,6,8c-trihydroxy-7ah,8ah,8bh,9h,10h-peryleno[1,2-b]oxirene-7,11-dione was first documented in 2014 (PMID: 25056998). Based on a literature review a significant number of articles have been published on Stemphyltoxin II (PMID: 24428710) (PMID: 32623606) (PMID: 31641809) (PMID: 30321595) (PMID: 29766221) (PMID: 27682608). |
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| Structure | OC1=CC=C2C3=C4C(C(=O)CC[C@@]4(O)[C@@H]4[C@H]5O[C@H]5C(=O)C1=C24)=C(O)C=C3 InChI=1S/C20H14O6/c21-9-4-2-8-7-1-3-10(22)14-12(7)16(18-19(26-18)17(14)24)20(25)6-5-11(23)13(9)15(8)20/h1-4,16,18-19,21-22,25H,5-6H2/t16-,18+,19-,20-/m0/s1 |
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| Synonyms | Not Available |
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| Chemical Formula | C20H14O6 |
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| Average Mass | 350.3260 Da |
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| Monoisotopic Mass | 350.07904 Da |
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| IUPAC Name | Not Available |
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| Traditional Name | Not Available |
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| CAS Registry Number | Not Available |
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| SMILES | OC1=CC=C2C3=C4C(C(=O)CC[C@@]4(O)[C@@H]4[C@H]5O[C@H]5C(=O)C1=C24)=C(O)C=C3 |
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| InChI Identifier | InChI=1S/C20H14O6/c21-9-4-2-8-7-1-3-10(22)14-12(7)16(18-19(26-18)17(14)24)20(25)6-5-11(23)13(9)15(8)20/h1-4,16,18-19,21-22,25H,5-6H2/t16-,18+,19-,20-/m0/s1 |
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| InChI Key | UBVHBTLDPUYTDO-RNQOJCNYSA-N |
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| Experimental Spectra |
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| Not Available | | Predicted Spectra |
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| | Spectrum Type | Description | Depositor ID | Depositor Organization | Depositor | Deposition Date | View |
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| 1D NMR | 13C NMR Spectrum (1D, 25 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, H2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| | Chemical Shift Submissions |
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| Not Available | | Species |
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| Species of Origin | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as perylenequinones. These are heterocyclic compounds characterized by two 8-hydroxy-1,4-dihydronaphthalen-1-one moieties joined together one or two CC-bonds. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Perylenequinones |
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| Sub Class | Not Available |
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| Direct Parent | Perylenequinones |
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| Alternative Parents | |
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| Substituents | - Perylenequinone
- Phenanthrene
- Naphthalene
- Tetralin
- Aryl alkyl ketone
- Aryl ketone
- 1-hydroxy-2-unsubstituted benzenoid
- Phenol
- Tertiary alcohol
- Vinylogous acid
- Ketone
- Polyol
- Oxacycle
- Ether
- Oxirane
- Dialkyl ether
- Organoheterocyclic compound
- Hydrocarbon derivative
- Organic oxide
- Organooxygen compound
- Organic oxygen compound
- Alcohol
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | Not Available |
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| Physical Properties |
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| State | Not Available |
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| Experimental Properties | | Property | Value | Reference |
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| Melting Point | Not Available | Not Available | | Boiling Point | Not Available | Not Available | | Water Solubility | Not Available | Not Available | | LogP | Not Available | Not Available |
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| Predicted Properties | |
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| General References | - Podlech J, Fleck SC, Metzler M, Burck J, Ulrich AS: Determination of the absolute configuration of perylene quinone-derived mycotoxins by measurement and calculation of electronic circular dichroism spectra and specific rotations. Chemistry. 2014 Sep 1;20(36):11463-70. doi: 10.1002/chem.201402567. Epub 2014 Jul 23. [PubMed:25056998 ]
- Fleck SC, Pfeiffer E, Podlech J, Metzler M: Epoxide reduction to an alcohol: a novel metabolic pathway for perylene quinone-type alternaria mycotoxins in mammalian cells. Chem Res Toxicol. 2014 Feb 17;27(2):247-53. doi: 10.1021/tx400366w. Epub 2014 Jan 27. [PubMed:24428710 ]
- Crudo F, Aichinger G, Mihajlovic J, Dellafiora L, Varga E, Puntscher H, Warth B, Dall'Asta C, Berry D, Marko D: Gut microbiota and undigested food constituents modify toxin composition and suppress the genotoxicity of a naturally occurring mixture of Alternaria toxins in vitro. Arch Toxicol. 2020 Oct;94(10):3541-3552. doi: 10.1007/s00204-020-02831-1. Epub 2020 Jul 4. [PubMed:32623606 ]
- Puntscher H, Aichinger G, Grabher S, Attakpah E, Kruger F, Tillmann K, Motschnig T, Hohenbichler J, Braun D, Plasenzotti R, Pahlke G, Hoger H, Marko D, Warth B: Bioavailability, metabolism, and excretion of a complex Alternaria culture extract versus altertoxin II: a comparative study in rats. Arch Toxicol. 2019 Nov;93(11):3153-3167. doi: 10.1007/s00204-019-02575-7. Epub 2019 Oct 22. [PubMed:31641809 ]
- Puntscher H, Hankele S, Tillmann K, Attakpah E, Braun D, Kutt ML, Del Favero G, Aichinger G, Pahlke G, Hoger H, Marko D, Warth B: First insights into Alternaria multi-toxin in vivo metabolism. Toxicol Lett. 2019 Feb;301:168-178. doi: 10.1016/j.toxlet.2018.10.006. Epub 2018 Oct 12. [PubMed:30321595 ]
- Puntscher H, Kutt ML, Skrinjar P, Mikula H, Podlech J, Frohlich J, Marko D, Warth B: Tracking emerging mycotoxins in food: development of an LC-MS/MS method for free and modified Alternaria toxins. Anal Bioanal Chem. 2018 Jul;410(18):4481-4494. doi: 10.1007/s00216-018-1105-8. Epub 2018 May 16. [PubMed:29766221 ]
- Jarolim K, Del Favero G, Ellmer D, Stark TD, Hofmann T, Sulyok M, Humpf HU, Marko D: Dual effectiveness of Alternaria but not Fusarium mycotoxins against human topoisomerase II and bacterial gyrase. Arch Toxicol. 2017 Apr;91(4):2007-2016. doi: 10.1007/s00204-016-1855-z. Epub 2016 Sep 28. [PubMed:27682608 ]
- Zwickel T, Klaffke H, Richards K, Rychlik M: Development of a high performance liquid chromatography tandem mass spectrometry based analysis for the simultaneous quantification of various Alternaria toxins in wine, vegetable juices and fruit juices. J Chromatogr A. 2016 Jul 15;1455:74-85. doi: 10.1016/j.chroma.2016.04.066. Epub 2016 May 6. [PubMed:27283097 ]
- Fleck SC, Sauter F, Pfeiffer E, Metzler M, Hartwig A, Koberle B: DNA damage and repair kinetics of the Alternaria mycotoxins alternariol, altertoxin II and stemphyltoxin III in cultured cells. Mutat Res Genet Toxicol Environ Mutagen. 2016 Mar;798-799:27-34. doi: 10.1016/j.mrgentox.2016.02.001. Epub 2016 Feb 8. [PubMed:26994491 ]
- Liu Y, Rychlik M: Biosynthesis of seven carbon-13 labeled Alternaria toxins including altertoxins, alternariol, and alternariol methyl ether, and their application to a multiple stable isotope dilution assay. Anal Bioanal Chem. 2015 Feb;407(5):1357-69. doi: 10.1007/s00216-014-8307-5. Epub 2015 Jan 11. [PubMed:25577349 ]
- LOTUS database [Link]
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