Record Information |
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Version | 2.0 |
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Created at | 2006-05-22 14:17:50 UTC |
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Updated at | 2024-09-17 15:41:29 UTC |
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NP-MRD ID | NP0000270 |
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Secondary Accession Numbers | None |
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Natural Product Identification |
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Common Name | Phenylpropiolic acid |
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Description | Phenylpropiolic acid is an acetylenic compound that is propynoic acid in which the acetylenic hydrogen is replaced by a phenyl group. It is an alpha,beta-unsaturated monocarboxylic acid, an acetylenic compound and a member of benzenes. It derives from a propynoic acid. Phenylpropiolic acid is one of a number of phenylpropanoid, natural products occurring in plants pathways involved in plant resistance providing building units of physical barriers against pathogen invasion, synthesizing an array of antibiotic compounds, and producing signals implicated in the mounting of plant resistance. (PMID 15199968 ). Phenylpropiolic acid is a cis-pyrrolidinone that has been tested as an inhibitors of type II 17beta-hydroxysteroid dehydrogenase for the treatment of osteoporosis. (PMID 16806919 ). Phenylpropiolic acid (C6H5CCCO2H) is formed by the action of alcoholic potash on cinnamic acid dibromide (C6H5CHBrCHBrCO2H), crystallizes in long needles or prisms which melt at 136–137 °C. When heated with water to 120 °C, it yields phenylacetylene (C6H5CCH). Chromic acid oxidizes it to benzoic acid; zinc and acetic acid reduce it to cinnamic acid, C6H5CH=CHCO2H, whilst sodium amalgam reduces it to hydrocinnamic acid, C6H5CH2CH2CO2H. Ortho-nitrophenylpropiolic acid, NO2C6H4CCCO2H, prepared by the action of alcoholic potash on ortho-nitrocinnamic acid dibromide, crystallizes in needles which decompose when heated to 155–156 °C. It is readily converted into indigo. |
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Structure | InChI=1S/C9H6O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,(H,10,11) |
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Synonyms | Value | Source |
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3-Phenylpropiolic acid | ChEBI | 3-Phenylpropynoic acid | ChEBI | beta-Phenylpropargylic acid | ChEBI | Phenylacetylene monocarboxylic acid | ChEBI | Phenylacetylenecarboxylic acid | ChEBI | Phenylpropynoic acid | ChEBI | 3-Phenylpropiolate | Generator | 3-Phenylpropynoate | Generator | b-Phenylpropargylate | Generator | b-Phenylpropargylic acid | Generator | beta-Phenylpropargylate | Generator | Β-phenylpropargylate | Generator | Β-phenylpropargylic acid | Generator | Phenylacetylene monocarboxylate | Generator | Phenylacetylenecarboxylate | Generator | Phenylpropynoate | Generator | Phenylpropiolate | Generator | 3-Phenyl-2-propynoate | HMDB | 3-Phenyl-2-propynoic acid | HMDB | 3-Phenyl-propiolate | HMDB | 3-Phenyl-propiolic acid | HMDB | Phenyl-(8ci)propiolate | HMDB | Phenyl-(8ci)propiolic acid | HMDB | Phenyl-propiolate | HMDB | Phenyl-propiolic acid | HMDB | Phenylpropioplate | HMDB | Phenylpropioplic acid | HMDB |
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Chemical Formula | C9H6O2 |
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Average Mass | 146.1427 Da |
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Monoisotopic Mass | 146.03678 Da |
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IUPAC Name | 3-phenylprop-2-ynoic acid |
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Traditional Name | phenylpropiolic acid |
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CAS Registry Number | 637-44-5 |
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SMILES | OC(=O)C#CC1=CC=CC=C1 |
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InChI Identifier | InChI=1S/C9H6O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-5H,(H,10,11) |
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InChI Key | XNERWVPQCYSMLC-UHFFFAOYSA-N |
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Experimental Spectra |
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| Spectrum Type | Description | Depositor Email | Depositor Organization | Depositor | Deposition Date | View |
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2D NMR | [1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental) | Wishart Lab | Wishart Lab | David Wishart | 2021-06-20 | View Spectrum |
| 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 | 13C NMR Spectrum (1D, 252 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 | 13C NMR Spectrum (1D, 75 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 | 13C NMR Spectrum (1D, 126 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 | 13C NMR Spectrum (1D, 176 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 | 13C NMR Spectrum (1D, 226 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 | Plantae |
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Chemical Taxonomy |
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Description | Belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. |
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Kingdom | Organic compounds |
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Super Class | Benzenoids |
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Class | Benzene and substituted derivatives |
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Sub Class | Not Available |
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Direct Parent | Benzene and substituted derivatives |
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Alternative Parents | |
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Substituents | - Monocyclic benzene moiety
- Monocarboxylic acid or derivatives
- Carboxylic acid
- Carboxylic acid derivative
- Organic oxygen compound
- Organic oxide
- Hydrocarbon derivative
- Organooxygen compound
- Carbonyl group
- Aromatic homomonocyclic compound
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Molecular Framework | Aromatic homomonocyclic compounds |
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External Descriptors | Not Available |
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Physical Properties |
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State | Solid |
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Experimental Properties | Property | Value | Reference |
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Melting Point | 136 - 139 °C | 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 | - Zielinski M, Zielinska A, Papiernik-Zielinska H, Ogrinc N, Kobal I: Carbon isotope fractionation in the decarboxylation of phenylpropiolic acid in hydrogen donating media. Isotopes Environ Health Stud. 2001;37(3):239-52. doi: 10.1080/10256010108033299. [PubMed:11924854 ]
- Okuma K, Koda M, Maekawa S, Shioji K, Inoue T, Kurisaki T, Wakita H, Yokomori Y: Reaction of thioketones with propiolic acids. Org Biomol Chem. 2006 Jul 21;4(14):2745-52. doi: 10.1039/b605068a. Epub 2006 Jun 12. [PubMed:16826299 ]
- Arderne C, Olivier DK, Ndinteh DT: Charge-assisted hydrogen bonding in salts of 2-amino-1H-benzimidazole with 3-phenylpropynoic acid and oct-2-ynoic acid. Acta Crystallogr C Struct Chem. 2015 Feb;71(Pt 2):146-51. doi: 10.1107/S2053229615001047. Epub 2015 Jan 24. [PubMed:25652283 ]
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