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| CAS number | 1609484-45-8 |
| Molecular formula | C25H15BrO |
| Product name | 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] |
| Molecular Structure |  |
Molecular Weight：411.29000
PSA：9.23000
LogP：6.91790
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene]
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is an organic compound with the molecular formula C23H15Br. It is a colorless to pale yellow solid.
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is used in a variety of chemical syntheses and is a useful intermediate in the production of organic pigments. It is used in the synthesis of a number of spirofluorene-based compounds for use in dyes, paints, and other applications.
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is synthesized from 9H-fluorene and 4-bromobenzaldehyde using a palladium-catalyzed reaction. The reaction proceeds in the presence of a base to give the desired product.
The chemical structure of 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] consists of a fused spirocyclic system composed of a 9H-fluorene unit and a fused xanthene moiety. The molecule also contains a bromine atom at the 4-position of the spirocyclic system.
The physical properties of 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] include a melting point of 155-156 °C, a solubility of 0.2g/L in methanol, and a boiling point of 296 °C. The compound is slightly soluble in water, with a solubility of 0.2 g/L at 25 °C.
The optical properties of 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] include an absorption maximum at 402 nm, with a molar extinction coefficient of 8.2 mM-1cm-1. The compound has a low fluorescence quantum yield of 0.006 and a fluorescence lifetime of 0.7 ns in dichloromethane.
4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is a non-toxic, stable compound that can be used in a variety of applications. It is used as an intermediate in the production of a variety of organic pigments, as well as in the synthesis of spirofluorene-based compounds for use in dyes, paints, and other applications.
The compound is also used in the synthesis of a variety of compounds, including spirofluorene derivatives, and in the preparation of polymeric materials. It is also used in the synthesis of functionalized polyamides, polyesters, and polyurethanes.
The biological activity of 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] has not been extensively studied. However, it has been reported to have antioxidant activity, as well as inhibitory activity against certain enzymes.
In conclusion, 4-Bromo-spiro[9H-fluorene-9,9'-[9H]xanthene] is an organic compound with a wide range of applications. It is used in the synthesis of a variety of organic pigments and spirofluorene-based compounds for use in dyes, paints, and other applications. It is also used in the synthesis of functionalized polyamides, polyesters, and polyurethanes, and has been reported to have antioxidant and inhibitory activities.
