| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-28 14:42:14 UTC |
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| Updated at | 2022-04-28 14:42:14 UTC |
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| NP-MRD ID | NP0069347 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Piperlactam |
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| Description | Piperlactam S belongs to the class of organic compounds known as aristolactams. These are phenanthrenic compounds containing a five-membered lactam ring and a 1,3-dioxolane ring fused to the phenanthrene ring system. Piperlactam S is an extremely weak basic (essentially neutral) compound (based on its pKa). Piperlactam is found in Piper kadsura, Piper puberullum and Piper puberulum. Piperlactam was first documented in 2000 (PMID: 11040054). An organic heterotetracyclic compound that is dibenzoindol-4(5H)-one carrying two methoxy substituents at positions 1 and 5 as well as a hydroxy substituent at position 2 (PMID: 12498929) (PMID: 12567271) (PMID: 12567272) (PMID: 16724856). |
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| Structure | CON1C(=O)C2=C3C1=CC1=CC=CC=C1C3=C(OC)C(O)=C2 InChI=1S/C17H13NO4/c1-21-16-13(19)8-11-14-12(18(22-2)17(11)20)7-9-5-3-4-6-10(9)15(14)16/h3-8,19H,1-2H3 |
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| Synonyms | Not Available |
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| Chemical Formula | C17H13NO4 |
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| Average Mass | 295.2940 Da |
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| Monoisotopic Mass | 295.08446 Da |
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| IUPAC Name | 14-hydroxy-10,15-dimethoxy-10-azatetracyclo[7.6.1.0²,⁷.0¹²,¹⁶]hexadeca-1(15),2,4,6,8,12(16),13-heptaen-11-one |
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| Traditional Name | 14-hydroxy-10,15-dimethoxy-10-azatetracyclo[7.6.1.0²,⁷.0¹²,¹⁶]hexadeca-1(15),2,4,6,8,12(16),13-heptaen-11-one |
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| CAS Registry Number | Not Available |
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| SMILES | CON1C(=O)C2=C3C1=CC1=CC=CC=C1C3=C(OC)C(O)=C2 |
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| InChI Identifier | InChI=1S/C17H13NO4/c1-21-16-13(19)8-11-14-12(18(22-2)17(11)20)7-9-5-3-4-6-10(9)15(14)16/h3-8,19H,1-2H3 |
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| InChI Key | LHSDJNRAZBFFLF-UHFFFAOYSA-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 aristolactams. These are phenanthrenic compounds containing a five-membered lactam ring and a 1,3-dioxolane ring fused to the phenanthrene ring system. |
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| Kingdom | Organic compounds |
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| Super Class | Alkaloids and derivatives |
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| Class | Aristolactams |
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| Sub Class | Not Available |
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| Direct Parent | Aristolactams |
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| Alternative Parents | |
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| Substituents | - Aristolactam
- Phenanthrol
- Phenanthrene
- 2-naphthol
- Naphthalene
- Isoindolone
- Indole or derivatives
- Isoindole or derivatives
- Anisole
- Alkyl aryl ether
- 1-hydroxy-2-unsubstituted benzenoid
- Benzenoid
- Carboxylic acid derivative
- Ether
- Azacycle
- Organoheterocyclic compound
- Organic nitrogen compound
- Organonitrogen compound
- Organooxygen compound
- Hydrocarbon derivative
- Organic oxide
- Organopnictogen compound
- Organic oxygen compound
- 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 | - Kuo YC, Yang NS, Chou CJ, Lin LC, Tsai WJ: Regulation of cell proliferation, gene expression, production of cytokines, and cell cycle progression in primary human T lymphocytes by piperlactam S isolated from Piper kadsura. Mol Pharmacol. 2000 Nov;58(5):1057-66. doi: 10.1124/mol.58.5.1057. [PubMed:11040054 ]
- Chiou WF, Yau-Chik Shum A, Peng CH, Chen CF, Chou CJ: Piperlactam S suppresses macrophage migration by impeding F-actin polymerization and filopodia extension. Eur J Pharmacol. 2003 Jan 1;458(1-2):217-25. doi: 10.1016/s0014-2999(02)02733-4. [PubMed:12498929 ]
- Tsai JY, Chou CJ, Chen CF, Chiou WF: Antioxidant activity of piperlactam S: prevention of copper-induced LDL peroxidation and amelioration of free radical-induced oxidative stress of endothelial cells. Planta Med. 2003 Jan;69(1):3-8. doi: 10.1055/s-2003-37040. [PubMed:12567271 ]
- Chiou WF, Peng CH, Chen CF, Chou CJ: Anti-inflammatory properties of piperlactam S: modulation of complement 5a-induced chemotaxis and inflammatory cytokines production in macrophages. Planta Med. 2003 Jan;69(1):9-14. doi: 10.1055/s-2003-37041. [PubMed:12567272 ]
- Lin LC, Shen CC, Shen YC, Tsai TH: Anti-inflammatory neolignans from Piper kadsura. J Nat Prod. 2006 May;69(5):842-4. doi: 10.1021/np0505521. [PubMed:16724856 ]
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