| Record Information |
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| Version | 2.0 |
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| Created at | 2022-03-10 18:59:08 UTC |
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| Updated at | 2022-03-10 22:22:02 UTC |
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| NP-MRD ID | NP0045168 |
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| Secondary Accession Numbers | None |
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| Natural Product Identification |
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| Common Name | Pentamethylbenzene |
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| Description | Pentamethylbenzene or 1,2,3,4,5-pentamethylbenzene, 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. Pentamethylbenzene is an aromatic hydrocarbon with the formula C6H(CH3)5. Structurally, pentamethylbenzene is a benzene in which five of the hydrogens are replaced by methyl groups. Pentamethylbenzene is a colorless solid under normal temperature and pressure conditions. It has a sweet odour. It is electron rich and is readily oxidized, easily undergoing electrophilic substitutions. Pentamethylbenzene has been observed as an intermediate in the formation of hexamethylbenzene from phenol (https://Doi.Org/10.1021/Jo01037a517) and alkylation of durene or pentamethylbenzene has been reported as a suitable starting material for the synthesis of hexamethylbenzene (DOI: 10.15227/Orgsyn.010.0032). Pentamethylbenzene has been reported as a volatile compound detected in cannabis samples obtained through police seizures (PMID: 26657499 ). |
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| Structure | InChI=1S/C11H16/c1-7-6-8(2)10(4)11(5)9(7)3/h6H,1-5H3 |
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| Synonyms | | Value | Source |
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| Pentamethylbenzol | ChEBI |
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| Chemical Formula | C11H16 |
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| Average Mass | 148.2490 Da |
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| Monoisotopic Mass | 148.12520 Da |
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| IUPAC Name | 1,2,3,4,5-pentamethylbenzene |
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| Traditional Name | pentamethylbenzene |
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| CAS Registry Number | 700-12-9 |
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| SMILES | CC1=CC(C)=C(C)C(C)=C1C |
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| InChI Identifier | InChI=1S/C11H16/c1-7-6-8(2)10(4)11(5)9(7)3/h6H,1-5H3 |
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| InChI Key | BEZDDPMMPIDMGJ-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 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
- Aromatic hydrocarbon
- Unsaturated hydrocarbon
- Hydrocarbon
- 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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| General References | - Aschmann SM, Arey J, Atkinson R: Rate constants for the reactions of OH radicals with 1,2,4,5-tetramethylbenzene, pentamethylbenzene, 2,4,5-trimethylbenzaldehyde, 2,4,5-trimethylphenol, and 3-methyl-3-hexene-2,5-dione and products of OH + 1,2,4,5-tetramethylbenzene. J Phys Chem A. 2013 Mar 28;117(12):2556-68. doi: 10.1021/jp400323n. Epub 2013 Mar 18. [PubMed:23495920 ]
- Okano K: [Synthetic studies on natural products with aromatic nitrogen heterocycles based on development of the methods for the formation of aryl carbon-nitrogen bond]. Yakugaku Zasshi. 2013;133(10):1065-78. doi: 10.1248/yakushi.13-00189. [PubMed:24088350 ]
- Jung J, Ohkubo K, Prokop-Prigge KA, Neu HM, Goldberg DP, Fukuzumi S: Photochemical oxidation of a manganese(III) complex with oxygen and toluene derivatives to form a manganese(V)-oxo complex. Inorg Chem. 2013 Dec 2;52(23):13594-604. doi: 10.1021/ic402121j. Epub 2013 Nov 12. [PubMed:24219426 ]
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