| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-27 22:47:12 UTC |
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| Updated at | 2022-04-27 22:47:13 UTC |
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| NP-MRD ID | NP0051407 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Usnic acid |
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| Description | (-)-Usnic acid, also known as (S)-usnate, belongs to the class of organic compounds known as acetophenones. These are organic compounds containing the acetophenone structure. Usnic acid is found in Asahinea chrysantha, Asahinea scholanderi, Cladonia convoluta, Cladonia fallax, Cladonia spp., Cladonia stellaris, Dactylina arctica, Dolichousnea diffracta, Dolichousnea longissima, Evernia prunastri, Evernia spp., Hypotrachyna caraccensis, Lecanora spp., Letharia vulpina, Lobaria scrobiculata, Neuropogon trachycarpus, Ophioparma ventosa, Parmelia caraccensis, Parmelia spp., Phoma sp., Protousnea magellanica, Protusnea malacea, Punctelia subrudecta, Ramalina calicaris, Ramalina hierrensis, Ramalina pollinaria, Ramalina spp., Ramalina tingitana, Stereocaulon alpinum, Usnea annulata, Usnea dasopoga, Usnea diffracta, Usnea lapponica, Usnea longissima , Usnea spp., Usnea undulata and Xanthoparmelia vagans. Based on a literature review very few articles have been published on (-)-usnic acid. |
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| Structure | CC(=O)C1=C(O)C(C)=C(O)C2=C1OC1=CC(O)=C(C(C)=O)C(=O)[C@@]21C InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3/t18-/m1/s1 |
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| Synonyms | | Value | Source |
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| (S)-Usnate | ChEBI | | (S)-Usnic acid | ChEBI | | (-)-Usnate | Generator |
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| Chemical Formula | C18H16O7 |
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| Average Mass | 344.3190 Da |
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| Monoisotopic Mass | 344.08960 Da |
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| IUPAC Name | (2S)-4,10-diacetyl-5,11,13-trihydroxy-2,12-dimethyl-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),4,6,10,12-pentaen-3-one |
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| Traditional Name | (2S)-4,10-diacetyl-5,11,13-trihydroxy-2,12-dimethyl-8-oxatricyclo[7.4.0.0^{2,7}]trideca-1(9),4,6,10,12-pentaen-3-one |
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| CAS Registry Number | Not Available |
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| SMILES | CC(=O)C1=C(O)C(C)=C(O)C2=C1OC1=CC(O)=C(C(C)=O)C(=O)[C@@]21C |
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| InChI Identifier | InChI=1S/C18H16O7/c1-6-14(22)12(8(3)20)16-13(15(6)23)18(4)10(25-16)5-9(21)11(7(2)19)17(18)24/h5,21-23H,1-4H3/t18-/m1/s1 |
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| InChI Key | WEYVVCKOOFYHRW-GOSISDBHSA-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, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 252 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 50 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 75 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 101 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 126 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 151 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 176 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 201 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 13C NMR Spectrum (1D, 226 MHz, D2O, predicted) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum | | 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, 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 acetophenones. These are organic compounds containing the acetophenone structure. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Benzene and substituted derivatives |
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| Sub Class | Acetophenones |
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| Direct Parent | Acetophenones |
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| Alternative Parents | |
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| Substituents | - Acetophenone
- Coumaran
- Aryl ketone
- Aryl alkyl ketone
- Vinylogous acid
- Ketone
- Oxacycle
- Polyol
- Enol
- Organoheterocyclic compound
- Hydrocarbon derivative
- Organic oxide
- Organooxygen compound
- Organic oxygen compound
- Carbonyl group
- Aromatic heteropolycyclic compound
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| Molecular Framework | Aromatic heteropolycyclic compounds |
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| External Descriptors | - usnic acid (CHEBI:122 )
- Dibenzofurans, griseofulvins, dibenzopyrans and xanthones (C10101 )
- Dibenzofurans, griseofulvins, dibenzopyrans and xanthones (LMPK13060002 )
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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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