| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-28 11:08:34 UTC |
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| Updated at | 2022-04-28 11:08:35 UTC |
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| NP-MRD ID | NP0066919 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | (+)-Meloscine |
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| Description | Meloscine belongs to the class of organic compounds known as melodinus alkaloids. These are alkaloids with a structure that is based on the melodinus skeleton. This backbone is a pentacyclic structure that contains a tetrahydroquinoline and an indolizine joined to each other through a cyclopentane. (+)-Meloscine is found in Melodinus hemsleyanus and Melodinus scandens . (+)-Meloscine was first documented in 2012 (PMID: 22423277). Based on a literature review a small amount of articles have been published on Meloscine (PMID: 24428198) (PMID: 24313360) (PMID: 23316092) (PMID: 22242696). |
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| Structure | C=C[C@@]12C[C@@H]3C(=O)NC4=C(C=CC=C4)[C@@]33CCN(CC=C1)[C@@H]23 InChI=1S/C19H20N2O/c1-2-18-8-5-10-21-11-9-19(17(18)21)13-6-3-4-7-15(13)20-16(22)14(19)12-18/h2-8,14,17H,1,9-12H2,(H,20,22)/t14-,17+,18+,19+/m1/s1 |
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| Synonyms | | Value | Source |
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| Epimeloscine | MeSH |
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| Chemical Formula | C19H20N2O |
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| Average Mass | 292.3820 Da |
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| Monoisotopic Mass | 292.15756 Da |
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| IUPAC Name | (1R,10S,12S,19S)-12-ethenyl-8,16-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-9-one |
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| Traditional Name | (1R,10S,12S,19S)-12-ethenyl-8,16-diazapentacyclo[10.6.1.0^{1,10}.0^{2,7}.0^{16,19}]nonadeca-2(7),3,5,13-tetraen-9-one |
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| CAS Registry Number | Not Available |
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| SMILES | C=C[C@@]12C[C@@H]3C(=O)NC4=C(C=CC=C4)[C@@]33CCN(CC=C1)[C@@H]23 |
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| InChI Identifier | InChI=1S/C19H20N2O/c1-2-18-8-5-10-21-11-9-19(17(18)21)13-6-3-4-7-15(13)20-16(22)14(19)12-18/h2-8,14,17H,1,9-12H2,(H,20,22)/t14-,17+,18+,19+/m1/s1 |
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| InChI Key | BEMFQIDPZLYEBJ-FCLVOEFKSA-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 | | Species Name | Source | Reference |
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| Melodinus hemsleyanus | Plant | | | Melodinus scandens | Plant | |
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| Chemical Taxonomy |
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| Description | Belongs to the class of organic compounds known as melodinus alkaloids. These are alkaloids with a structure that is based on the melodinus skeleton. This backbone is a pentacyclic structure that contains a tetrahydroquinoline and an indolizine joined to each other through a cyclopentane. |
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| Kingdom | Organic compounds |
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| Super Class | Alkaloids and derivatives |
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| Class | Melodinus alkaloids |
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| Sub Class | Not Available |
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| Direct Parent | Melodinus alkaloids |
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| Alternative Parents | |
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| Substituents | - Melodinus skeleton
- Tetrahydroquinolone
- Quinolone
- Tetrahydroquinoline
- Aralkylamine
- N-alkylpyrrolidine
- Benzenoid
- Pyrrolidine
- Amino acid or derivatives
- Carboxamide group
- Lactam
- Secondary carboxylic acid amide
- Tertiary amine
- Tertiary aliphatic amine
- Carboxylic acid derivative
- Azacycle
- Organoheterocyclic compound
- Organic oxide
- Organopnictogen compound
- Organooxygen compound
- Organonitrogen compound
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Amine
- Hydrocarbon derivative
- 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 | - Low YY, Hong FJ, Lim KH, Thomas NF, Kam TS: Transformations of the 2,7-Seco Aspidosperma alkaloid leuconolam, structure revision of epi-leuconolam, and partial syntheses of leuconoxine and leuconodines A and F. J Nat Prod. 2014 Feb 28;77(2):327-38. doi: 10.1021/np400922x. Epub 2014 Jan 15. [PubMed:24428198 ]
- Zhang H, Jeon KO, Hay EB, Geib SJ, Curran DP, LaPorte MG: Radical [3 + 2]-annulation of divinylcyclopropanes: rapid synthesis of complex meloscine analogs. Org Lett. 2014 Jan 3;16(1):94-7. doi: 10.1021/ol403078e. Epub 2013 Dec 6. [PubMed:24313360 ]
- Feldman KS, Antoline JF: Synthesis studies on the Melodinus alkaloid meloscine. Tetrahedron. 2013 Feb 4;69(5):1434-1445. doi: 10.1016/j.tet.2012.12.032. [PubMed:23316092 ]
- Coldham I, Burrell AJ, Guerrand HD, Watson L, Martin NG, Oram N: Synthesis of fused tricyclic amines unsubstituted at the ring-junction positions by a cascade condensation, cyclization, cycloaddition then decarbonylation strategy. Beilstein J Org Chem. 2012;8:107-11. doi: 10.3762/bjoc.8.11. Epub 2012 Jan 18. [PubMed:22423277 ]
- Feldman KS, Antoline JF: Allenyl azide cycloaddition chemistry: application to the total synthesis of (+/-)-meloscine. Org Lett. 2012 Feb 3;14(3):934-7. doi: 10.1021/ol203463n. Epub 2012 Jan 13. [PubMed:22242696 ]
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