| Record Information |
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| Version | 2.0 |
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| Created at | 2022-04-29 04:24:22 UTC |
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| Updated at | 2022-04-29 04:24:22 UTC |
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| NP-MRD ID | NP0083364 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Synephrine |
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| Description | P-Synephrine, also known as (+/-)-synephrine or sympatol, belongs to the class of organic compounds known as 1-hydroxy-2-unsubstituted benzenoids. These are phenols that are unsubstituted at the 2-position. P-Synephrine is a very strong basic compound (based on its pKa). Synephrine is found in Bergera koenegii, Citrus aurantium, Citrus aurantium L. var. amara , Citrus hassaku, Citrus limon, Citrus natsudaidai , Citrus reticulata, Citrus unshiu , Citrus sinensis , Ephedra sinica, Mammillaria longimamma, Zanthoxylum culantrillo and Zanthoxylum fagara. Synephrine was first documented in 1993 (PMID: 8255371). A phenethylamine alkaloid that is 4-(2-aminoethyl)phenol substituted by a hydroxy group at position 1 and a methyl group at the amino nitrogen (PMID: 17675045) (PMID: 18077120) (PMID: 23682231). |
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| Structure | InChI=1S/C9H13NO2/c1-10-6-9(12)7-2-4-8(11)5-3-7/h2-5,9-12H,6H2,1H3 |
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| Synonyms | | Value | Source |
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| (+/-)-synephrine | ChEBI | | 1-(4-Hydroxyphenyl)-2-(methylamino)ethanol | ChEBI | | 1-(4-Hydroxyphenyl)-2-methylaminoethanol | ChEBI | | 4-Hydroxy-alpha-[(methylamino)methyl]benzenemethanol | ChEBI | | beta-Methylamino-alpha-(4-hydroxyphenyl)ethyl alcohol | ChEBI | | Oxedrine | ChEBI | | p-Hydroxy-alpha-[(methylamino)methyl]benzyl alcohol | ChEBI | | Sympatol | ChEBI | | -Synephrine | Kegg | | 4-Hydroxy-a-[(methylamino)methyl]benzenemethanol | Generator | | 4-Hydroxy-α-[(methylamino)methyl]benzenemethanol | Generator | | b-Methylamino-a-(4-hydroxyphenyl)ethyl alcohol | Generator | | Β-methylamino-α-(4-hydroxyphenyl)ethyl alcohol | Generator | | p-Hydroxy-a-[(methylamino)methyl]benzyl alcohol | Generator | | p-Hydroxy-α-[(methylamino)methyl]benzyl alcohol | Generator | | (+)-p-Synephrine | HMDB | | (+)-Synephrine | HMDB | | (+)-[(Methylamino)methyl]-benzenemethano | HMDB | | Analeptin | HMDB | | Parasympatol | HMDB | | Simpalon | HMDB | | Simpatol | HMDB | | Sympaethamin | HMDB | | Sympaethamine | HMDB | | Synephrine | HMDB | | Synephrin | HMDB |
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| Chemical Formula | C9H13NO2 |
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| Average Mass | 167.2050 Da |
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| Monoisotopic Mass | 167.09463 Da |
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| IUPAC Name | 4-[1-hydroxy-2-(methylamino)ethyl]phenol |
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| Traditional Name | synephrine |
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| CAS Registry Number | Not Available |
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| SMILES | CNCC(O)C1=CC=C(O)C=C1 |
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| InChI Identifier | InChI=1S/C9H13NO2/c1-10-6-9(12)7-2-4-8(11)5-3-7/h2-5,9-12H,6H2,1H3 |
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| InChI Key | YRCWQPVGYLYSOX-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 1-hydroxy-2-unsubstituted benzenoids. These are phenols that are unsubstituted at the 2-position. |
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| Kingdom | Organic compounds |
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| Super Class | Benzenoids |
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| Class | Phenols |
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| Sub Class | 1-hydroxy-2-unsubstituted benzenoids |
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| Direct Parent | 1-hydroxy-2-unsubstituted benzenoids |
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| Alternative Parents | |
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| Substituents | - 1-hydroxy-2-unsubstituted benzenoid
- Aralkylamine
- Monocyclic benzene moiety
- 1,2-aminoalcohol
- Secondary alcohol
- Secondary amine
- Secondary aliphatic amine
- Organic oxygen compound
- Aromatic alcohol
- Alcohol
- Organooxygen compound
- Organonitrogen compound
- Organic nitrogen compound
- Amine
- Hydrocarbon derivative
- Organopnictogen compound
- Aromatic homomonocyclic compound
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| Molecular Framework | Aromatic homomonocyclic compounds |
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| External Descriptors | |
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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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