Record Information |
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Version | 5.0 |
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Status | Expected but not Quantified |
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Creation Date | 2012-09-11 17:35:34 UTC |
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Update Date | 2022-03-07 02:52:28 UTC |
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HMDB ID | HMDB0030228 |
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Secondary Accession Numbers | |
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Metabolite Identification |
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Common Name | Nigakinone |
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Description | Nigakinone, also known as methyl nigakinone, belongs to the class of organic compounds known as indolonaphthyridine alkaloids. These are a numerous and relatively straightforward subgroup of the b-carbolines, e.g. Canthin-6-one, in which an additional C3 unit is attached between C-1 and the indole nitrogen to form an additional ring. The group includes a few dimeric examples, such as Haplophytine. Nigakinone is a moderately basic compound (based on its pKa). Alkaloid from the wood of Picrasma excelsa (Jamaican quassiawood). |
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Structure | OC1=C(O)C2=NC=CC3=C2N(C2=CC=CC=C32)C1=O InChI=1S/C14H8N2O3/c17-12-10-11-8(5-6-15-10)7-3-1-2-4-9(7)16(11)14(19)13(12)18/h1-6,17-18H |
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Synonyms | Value | Source |
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4,5-Dimethoxy-6H-indolo(3,2,1-de)(1,5)naphthyridin-6-one | HMDB | 4,5-Dimethoxy-6H-indolo[3,2,1-de]-1,5-naphthyridin-6-one | HMDB | 4,5-Dimethoxy-6H-indolo[3,2,1-de][1,5]naphthyridin-6-one | HMDB | 5-Hydroxy-4-methoxy-6H-indolo[3,2,1-de][1,5]naphthyridin-6-one, 9ci | HMDB | 5-Hydroxy-4-methoxycanthin-6-one | HMDB | Methyl nigakinone | HMDB |
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Chemical Formula | C14H8N2O3 |
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Average Molecular Weight | 252.2249 |
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Monoisotopic Molecular Weight | 252.053492132 |
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IUPAC Name | 3,4-dihydroxy-1,6-diazatetracyclo[7.6.1.0⁵,¹⁶.0¹⁰,¹⁵]hexadeca-3,5,7,9(16),10,12,14-heptaen-2-one |
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Traditional Name | 3,4-dihydroxy-1,6-diazatetracyclo[7.6.1.0⁵,¹⁶.0¹⁰,¹⁵]hexadeca-3,5,7,9(16),10,12,14-heptaen-2-one |
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CAS Registry Number | 18110-86-6 |
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SMILES | OC1=C(O)C2=NC=CC3=C2N(C2=CC=CC=C32)C1=O |
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InChI Identifier | InChI=1S/C14H8N2O3/c17-12-10-11-8(5-6-15-10)7-3-1-2-4-9(7)16(11)14(19)13(12)18/h1-6,17-18H |
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InChI Key | XPMYKCPEDQIDCM-UHFFFAOYSA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as indolonaphthyridine alkaloids. These are a numerous and relatively straightforward subgroup of the b-carbolines, e.G. Canthin-6-one, in which an additional C3 unit is attached between C-1 and the indole nitrogen to form an additional ring. The group includes a few dimeric examples, such as Haplophytine. |
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Kingdom | Organic compounds |
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Super Class | Alkaloids and derivatives |
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Class | Indolonaphthyridine alkaloids |
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Sub Class | Not Available |
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Direct Parent | Indolonaphthyridine alkaloids |
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Alternative Parents | |
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Substituents | - Indolo[3,2-1de][1,5]naphthyridine
- Beta-carboline
- Pyridoindole
- Diazanaphthalene
- Naphthyridine
- Indole
- Indole or derivatives
- Indolizine
- Pyrrolopyridine
- Hydroxypyridine
- Pyridinone
- Benzenoid
- Pyridine
- Vinylogous acid
- Heteroaromatic compound
- Pyrrole
- Lactam
- Organoheterocyclic compound
- Azacycle
- Organic oxide
- Organonitrogen compound
- Organic oxygen compound
- Organooxygen compound
- Organopnictogen compound
- Organic nitrogen compound
- 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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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | Not Available |
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Role | Not Available |
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Physical Properties |
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State | Solid |
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Experimental Molecular Properties | Property | Value | Reference |
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Melting Point | 223 - 224 °C | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
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Experimental Chromatographic Properties | Not Available |
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Predicted Molecular Properties | |
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Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
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Nigakinone,1TMS,isomer #1 | C[Si](C)(C)OC1=C(O)C2=NC=CC3=C2N(C1=O)C1=CC=CC=C31 | 2978.2 | Semi standard non polar | 33892256 | Nigakinone,1TMS,isomer #2 | C[Si](C)(C)OC1=C(O)C(=O)N2C3=CC=CC=C3C3=C2C1=NC=C3 | 2910.1 | Semi standard non polar | 33892256 | Nigakinone,2TMS,isomer #1 | C[Si](C)(C)OC1=C(O[Si](C)(C)C)C2=NC=CC3=C2N(C1=O)C1=CC=CC=C31 | 2928.9 | Semi standard non polar | 33892256 | Nigakinone,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=C(O)C2=NC=CC3=C2N(C1=O)C1=CC=CC=C31 | 3153.9 | Semi standard non polar | 33892256 | Nigakinone,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=C(O)C(=O)N2C3=CC=CC=C3C3=C2C1=NC=C3 | 3118.2 | Semi standard non polar | 33892256 | Nigakinone,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC1=C(O[Si](C)(C)C(C)(C)C)C2=NC=CC3=C2N(C1=O)C1=CC=CC=C31 | 3327.7 | Semi standard non polar | 33892256 |
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| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted GC-MS | Predicted GC-MS Spectrum - Nigakinone GC-MS (Non-derivatized) - 70eV, Positive | splash10-00di-0390000000-310c3ad20c019421e703 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Nigakinone GC-MS (2 TMS) - 70eV, Positive | splash10-00e9-3119000000-2f52b75ab4ef56a40c11 | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Nigakinone GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
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Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 10V, Positive-QTOF | splash10-0udi-0090000000-ffd4ff1b19deb16890a4 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 20V, Positive-QTOF | splash10-0udi-0090000000-c87f98c9d0149a1aa4de | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 40V, Positive-QTOF | splash10-014i-0900000000-d5b59f6be190aca23a65 | 2016-08-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 10V, Negative-QTOF | splash10-0udi-0290000000-3a9284f6f8845f17905e | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 20V, Negative-QTOF | splash10-0udi-0590000000-8650ba377405918ee49f | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 40V, Negative-QTOF | splash10-014i-0900000000-46d0ce11b863d9811348 | 2016-08-03 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 10V, Negative-QTOF | splash10-0udi-0090000000-eb7c2ff7d3762b310f84 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 20V, Negative-QTOF | splash10-0udi-0190000000-c3a3700c91cde77e4c6c | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 40V, Negative-QTOF | splash10-014l-0900000000-fc190407fe92bb1193ec | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 10V, Positive-QTOF | splash10-0udi-0090000000-bff44a744dc6d7c2d865 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 20V, Positive-QTOF | splash10-0udi-0090000000-bff44a744dc6d7c2d865 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Nigakinone 40V, Positive-QTOF | splash10-00kb-0930000000-6b3731402c27a24cf814 | 2021-09-25 | Wishart Lab | View Spectrum |
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