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Cyclononatetraene
Chemical compound / From Wikipedia, the free encyclopedia
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Cyclononatetraene is an organic compound with the formula C9H10. It was first prepared in 1969 by protonation of the corresponding aromatic anion (described below).[1] It is unstable and isomerizes with a half-life of 50 minutes at room temperature to 3a,7a-dihydro-1H-indene via a thermal 6π disrotatory electrocyclic ring closing.[2] Upon exposure to ultraviolet light, it undergoes a photochemical 8π electrocyclic ring closing to give bicyclo[6.1.0]nona-2,4,6-triene.[3]
Quick Facts Names, Identifiers ...
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Names | |
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IUPAC name
Cyclonona-1,3,5,7-tetraene | |
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CompTox Dashboard (EPA) |
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Properties | |
C9H10 | |
Molar mass | 118.179 g·mol−1 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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