Cyclobutene
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| Molar mass | Template:Chem molar mass |
| Appearance | Colorless gas |
| Density | 0.733 g/cm3 |
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Cyclobutene is an organic compound with the chemical formula Template:Chem2. It is a cycloalkene. It is a colorless gas that easily condenses. It is of interest in research but currently has no practical applications. A modern synthesis involves the 2-step dehydration of cyclobutanol.[1] The compound was first prepared by thermolysis of the ammonium salt Template:Chem2 (cyclobutyltrimethylammonium hydroxide).[2]
Cyclobutene thermally isomerizes to 1,3-butadiene. This strongly exothermic reaction reflects the dominance of ring strain. In contrast, the corresponding equilibrium for hexafluorocyclobutene disfavors hexafluorobutadiene.[3]
See also
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