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| Name | 3-Cyclobutene-1,2-Dione |
|---|---|
| Synonyms | Cyclobut-3-Ene-1,2-Quinone; Diketocyclobutene; 3-Cyclobutene-1,2-Dione |
| Molecular Structure |  |
| Molecular Formula | C4H2O2 |
| Molecular Weight | 82.06 |
| CAS Registry Number | 32936-74-6 |
| SMILES | O=C1C=CC1=O |
| InChI | 1S/C4H2O2/c5-3-1-2-4(3)6/h1-2H |
| InChIKey | RGBVWCQARBEPPW-UHFFFAOYSA-N |
| Density | 1.433g/cm3 (Cal.) |
|---|---|
| Boiling point | 166.753°C at 760 mmHg (Cal.) |
| Flash point | 53.437°C (Cal.) |
| (1) | Shin Iwata, Toshiyuki HamuraPresent address: Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, and PRESTO, JST Agency, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan and Keisuke Suzuki. Siloxy(trialkoxy)ethene undergoes regioselective [2+2] cycloaddition to ynones and ynoates en route to functionalized cyclobutenediones, Chem. Commun., 2010, 46, 5316. |
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