1,2,3-Cyclohexatriene
Chemical compound
From Wikipedia, the free encyclopedia
1,2,3-Cyclohexatriene is an unstable chemical compound with the molecular formula C6H6.[1] It is an unusual isomer of benzene in which the three double bonds are cumulated.
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| Names | |
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| Preferred IUPAC name
Cyclohexa-1,2,3-triene | |
| Identifiers | |
3D model (JSmol) |
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| ChEBI | |
PubChem CID |
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CompTox Dashboard (EPA) |
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| Properties | |
| C6H6 | |
| Molar mass | 78.114 g·molâ1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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This highly strained compound was first prepared in 1990, by reacting a cyclohexadiene derivative with cesium fluoride.[2] The product was too reactive to be isolated on its own, so its existence was confirmed by trapping via a cycloaddition reaction.
Preparation and trapping of 1,2,3-cyclohexatriene
1,2,3-Cyclohexatriene and its derivatives undergo a variety of reactions including cycloadditions, nucleophilic additions, and Ï-bond insertions,[3] and therefore they can be versatile reagents for organic synthesis.[4]