Record Information |
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Version | 5.0 |
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Status | Detected but not Quantified |
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Creation Date | 2006-08-13 10:14:47 UTC |
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Update Date | 2023-02-21 17:16:53 UTC |
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HMDB ID | HMDB0004067 |
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Secondary Accession Numbers | - HMDB0006340
- HMDB04067
- HMDB06340
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Metabolite Identification |
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Common Name | Leucodopachrome |
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Description | Leucodopachrome is an indolic intermediate in the melanogenesis pathway, the non-enzymatic product of dopaquinone through cyclization in a reaction whose operation is determined by a pH greater than 4 (melanin synthesis in human pigment cell lysates is maximal at pH 6.8). Leucodopachrome participates in redox exchange with dopaquinone to give the eumelanin precursor dopachrome plus DOPA. Dopaquinone (the quinone intermediate resulting from tyrosinase-mediated oxidation of tyrosine, monophenol dihydroxyphenylalanine:oxygen oxidoreductase, EC 1.14.18.1) could be a toxic metabolite in melanin biosynthesis (PMID: 6807981 , 1445949 , 413870 , 11461115 , 11171088 , 12755639 ). |
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Structure | OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1 InChI=1S/C9H9NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h2-3,6,10-12H,1H2,(H,13,14)/t6-/m0/s1 |
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Synonyms | Value | Source |
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(S)-2-Carboxy-5,6-dihydroxyindoline | ChEBI | (S)-5,6-Dihydroxyindoline-2-carboxylic acid | ChEBI | Cyclo-dopa | ChEBI | Cyclodopa | ChEBI | L-2-Carboxy-2,3-dihydro-5,6-dihydroxyindole | ChEBI | Leukodopachrome | ChEBI | (S)-5,6-Dihydroxyindoline-2-carboxylate | Generator | 2,3-dihydro-5,6-Dihydroxyindole-2-carboxylate | HMDB, MeSH | 2-Carboxy-2,3-dihydro-5,6-dihydroxyindole | HMDB |
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Chemical Formula | C9H9NO4 |
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Average Molecular Weight | 195.1721 |
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Monoisotopic Molecular Weight | 195.053157781 |
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IUPAC Name | (2S)-5,6-dihydroxy-2,3-dihydro-1H-indole-2-carboxylic acid |
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Traditional Name | cyclodopa |
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CAS Registry Number | 18766-67-1 |
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SMILES | OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1 |
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InChI Identifier | InChI=1S/C9H9NO4/c11-7-2-4-1-6(9(13)14)10-5(4)3-8(7)12/h2-3,6,10-12H,1H2,(H,13,14)/t6-/m0/s1 |
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InChI Key | JDWYRSDDJVCWPB-LURJTMIESA-N |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as indolecarboxylic acids. Indolecarboxylic acids are compounds containing a carboxylic acid group linked to an indole. |
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Kingdom | Organic compounds |
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Super Class | Organoheterocyclic compounds |
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Class | Indoles and derivatives |
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Sub Class | Indolecarboxylic acids and derivatives |
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Direct Parent | Indolecarboxylic acids |
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Alternative Parents | |
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Substituents | - Indolecarboxylic acid
- Alpha-amino acid
- Alpha-amino acid or derivatives
- L-alpha-amino acid
- Dihydroindole
- 1-hydroxy-2-unsubstituted benzenoid
- Secondary aliphatic/aromatic amine
- Aralkylamine
- Benzenoid
- Amino acid or derivatives
- Amino acid
- Carboxylic acid derivative
- Carboxylic acid
- Monocarboxylic acid or derivatives
- Azacycle
- Secondary amine
- Hydrocarbon derivative
- Organic oxide
- Organic oxygen compound
- Organic nitrogen compound
- Carbonyl group
- Amine
- Organonitrogen compound
- Organooxygen compound
- Organopnictogen compound
- Aromatic heteropolycyclic compound
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Molecular Framework | Aromatic heteropolycyclic compounds |
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External Descriptors | |
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Ontology |
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Physiological effect | Not Available |
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Disposition | |
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Process | |
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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 | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | -0.037 | 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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Leucodopachrome,1TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1 | 2154.9 | Semi standard non polar | 33892256 | Leucodopachrome,1TMS,isomer #2 | C[Si](C)(C)OC1=CC2=C(C=C1O)N[C@H](C(=O)O)C2 | 2175.7 | Semi standard non polar | 33892256 | Leucodopachrome,1TMS,isomer #3 | C[Si](C)(C)OC1=CC2=C(C=C1O)C[C@@H](C(=O)O)N2 | 2179.7 | Semi standard non polar | 33892256 | Leucodopachrome,1TMS,isomer #4 | C[Si](C)(C)N1C2=CC(O)=C(O)C=C2C[C@H]1C(=O)O | 2156.6 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O)C=C2N1 | 2144.6 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #2 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O[Si](C)(C)C)C=C2N1 | 2139.1 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #3 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1[Si](C)(C)C | 2111.7 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #4 | C[Si](C)(C)OC1=CC2=C(C=C1O[Si](C)(C)C)N[C@H](C(=O)O)C2 | 2192.3 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #5 | C[Si](C)(C)OC1=CC2=C(C=C1O)N([Si](C)(C)C)[C@H](C(=O)O)C2 | 2130.3 | Semi standard non polar | 33892256 | Leucodopachrome,2TMS,isomer #6 | C[Si](C)(C)OC1=CC2=C(C=C1O)C[C@@H](C(=O)O)N2[Si](C)(C)C | 2132.0 | Semi standard non polar | 33892256 | Leucodopachrome,3TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2N1 | 2214.7 | Semi standard non polar | 33892256 | Leucodopachrome,3TMS,isomer #2 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O)C=C2N1[Si](C)(C)C | 2149.5 | Semi standard non polar | 33892256 | Leucodopachrome,3TMS,isomer #3 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O[Si](C)(C)C)C=C2N1[Si](C)(C)C | 2151.0 | Semi standard non polar | 33892256 | Leucodopachrome,3TMS,isomer #4 | C[Si](C)(C)OC1=CC2=C(C=C1O[Si](C)(C)C)N([Si](C)(C)C)[C@H](C(=O)O)C2 | 2148.2 | Semi standard non polar | 33892256 | Leucodopachrome,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2N1[Si](C)(C)C | 2205.2 | Semi standard non polar | 33892256 | Leucodopachrome,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2N1[Si](C)(C)C | 2167.1 | Standard non polar | 33892256 | Leucodopachrome,4TMS,isomer #1 | C[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C)=C(O[Si](C)(C)C)C=C2N1[Si](C)(C)C | 2156.4 | Standard polar | 33892256 | Leucodopachrome,1TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1 | 2437.6 | Semi standard non polar | 33892256 | Leucodopachrome,1TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O)N[C@H](C(=O)O)C2 | 2441.9 | Semi standard non polar | 33892256 | Leucodopachrome,1TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O)C[C@@H](C(=O)O)N2 | 2438.1 | Semi standard non polar | 33892256 | Leucodopachrome,1TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)N1C2=CC(O)=C(O)C=C2C[C@H]1C(=O)O | 2442.6 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O)C=C2N1 | 2621.1 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C=C2N1 | 2617.9 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O)C=C2N1[Si](C)(C)C(C)(C)C | 2607.9 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)N[C@H](C(=O)O)C2 | 2690.1 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #5 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O)N([Si](C)(C)C(C)(C)C)[C@H](C(=O)O)C2 | 2700.2 | Semi standard non polar | 33892256 | Leucodopachrome,2TBDMS,isomer #6 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O)C[C@@H](C(=O)O)N2[Si](C)(C)C(C)(C)C | 2699.2 | Semi standard non polar | 33892256 | Leucodopachrome,3TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2N1 | 2867.8 | Semi standard non polar | 33892256 | Leucodopachrome,3TBDMS,isomer #2 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O)C=C2N1[Si](C)(C)C(C)(C)C | 2856.5 | Semi standard non polar | 33892256 | Leucodopachrome,3TBDMS,isomer #3 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O)=C(O[Si](C)(C)C(C)(C)C)C=C2N1[Si](C)(C)C(C)(C)C | 2854.2 | Semi standard non polar | 33892256 | Leucodopachrome,3TBDMS,isomer #4 | CC(C)(C)[Si](C)(C)OC1=CC2=C(C=C1O[Si](C)(C)C(C)(C)C)N([Si](C)(C)C(C)(C)C)[C@H](C(=O)O)C2 | 2914.8 | Semi standard non polar | 33892256 | Leucodopachrome,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2N1[Si](C)(C)C(C)(C)C | 3051.3 | Semi standard non polar | 33892256 | Leucodopachrome,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2N1[Si](C)(C)C(C)(C)C | 2965.2 | Standard non polar | 33892256 | Leucodopachrome,4TBDMS,isomer #1 | CC(C)(C)[Si](C)(C)OC(=O)[C@@H]1CC2=CC(O[Si](C)(C)C(C)(C)C)=C(O[Si](C)(C)C(C)(C)C)C=C2N1[Si](C)(C)C(C)(C)C | 2648.4 | Standard 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 - Leucodopachrome GC-MS (Non-derivatized) - 70eV, Positive | splash10-0udi-0900000000-35837217fc06e2091736 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Leucodopachrome GC-MS (3 TMS) - 70eV, Positive | splash10-00y3-3139000000-66e1777cafa8b458873d | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Leucodopachrome 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 - Leucodopachrome 10V, Positive-QTOF | splash10-002b-0900000000-f7c2c2473d302b097c1f | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 20V, Positive-QTOF | splash10-0uk9-0900000000-d938ebc784c186dfb069 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 40V, Positive-QTOF | splash10-00di-5900000000-4af75e87edf64f19771c | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 10V, Negative-QTOF | splash10-0006-0900000000-dd70919fd1f080a6e99f | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 20V, Negative-QTOF | splash10-0f96-0900000000-6a40b4c319558396bbe0 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 40V, Negative-QTOF | splash10-0fxy-2900000000-a4cf73cb9c5d1452df55 | 2017-09-01 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 10V, Negative-QTOF | splash10-0006-0900000000-c1c8336c274a508bda24 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 20V, Negative-QTOF | splash10-0fdo-0900000000-563746630b866f82978f | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 40V, Negative-QTOF | splash10-00dl-4900000000-f2f8683579276c5e47f2 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 10V, Positive-QTOF | splash10-002b-0900000000-05dbda1a6ead55a72d67 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 20V, Positive-QTOF | splash10-0ufs-0900000000-d217d3c071a30de2b129 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Leucodopachrome 40V, Positive-QTOF | splash10-007o-6900000000-dbea51bffeee77cdf0c5 | 2021-09-25 | Wishart Lab | View Spectrum |
NMR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted 1D NMR | 1H NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 100 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 1000 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 200 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 300 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 400 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 500 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 600 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 700 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 800 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 1H NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum | Predicted 1D NMR | 13C NMR Spectrum (1D, 900 MHz, D2O, predicted) | 2021-09-24 | Wishart Lab | View Spectrum |
IR SpectraSpectrum Type | Description | Deposition Date | Source | View |
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Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
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General References | - Canovas FG, Garcia-Carmona F, Sanchez JV, Pastor JL, Teruel JA: The role of pH in the melanin biosynthesis pathway. J Biol Chem. 1982 Aug 10;257(15):8738-44. [PubMed:6807981 ]
- Rodriguez-Lopez JN, Banon-Arnao M, Martinez-Ortiz F, Tudela J, Acosta M, Varon R, Garcia-Canovas F: Catalytic oxidation of 2,4,5-trihydroxyphenylalanine by tyrosinase: identification and evolution of intermediates. Biochim Biophys Acta. 1992 Nov 20;1160(2):221-8. [PubMed:1445949 ]
- Graham DG, Tiffany SM, Vogel FS: The toxicity of melanin precursors. J Invest Dermatol. 1978 Feb;70(2):113-6. [PubMed:413870 ]
- Ancans J, Tobin DJ, Hoogduijn MJ, Smit NP, Wakamatsu K, Thody AJ: Melanosomal pH controls rate of melanogenesis, eumelanin/phaeomelanin ratio and melanosome maturation in melanocytes and melanoma cells. Exp Cell Res. 2001 Aug 1;268(1):26-35. [PubMed:11461115 ]
- Olivares C, Jimenez-Cervantes C, Lozano JA, Solano F, Garcia-Borron JC: The 5,6-dihydroxyindole-2-carboxylic acid (DHICA) oxidase activity of human tyrosinase. Biochem J. 2001 Feb 15;354(Pt 1):131-9. [PubMed:11171088 ]
- Land EJ, Ramsden CA, Riley PA: Tyrosinase autoactivation and the chemistry of ortho-quinone amines. Acc Chem Res. 2003 May;36(5):300-8. [PubMed:12755639 ]
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