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Cas Database |
| Name |
2,7-Dihydroxy-9-fluorenone |
EINECS | N/A |
| CAS No. | 42523-29-5 | Density | 1.497 g/cm3 |
| PSA | 57.53000 | LogP | 2.30920 |
| Solubility | N/A | Melting Point |
338 °C |
| Formula | C13H8O3 | Boiling Point | 444.5 °C at 760 mmHg |
| Molecular Weight | 212.205 | Flash Point | 236.7 °C |
| Transport Information | N/A | Appearance | Brown red powder |
| Safety | Risk Codes | N/A | |
| Molecular Structure |
|
Hazard Symbols | N/A |
| Synonyms |
2,7-Dihydroxy-9H-fluoren-9-one;2,7-Dihydroxyfluoren-9-one;RMI 15152;9H-Fluoren-9-one,2,7-dihydroxy-; |
Article Data | 15 |
2,7-Dihydroxy-9-fluorenone Synthetic route
- 53133-99-6
9-oxo-9H-fluorene-2,7-diyl diacetate
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With potassium hydroxide for 2h; Heating; | 97.6% |
- 765944-63-6
4,4'-dihydroxy-biphenyl-2-carboxylic acid methyl ester
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With zinc(II) chloride at 110 - 120℃; for 2h; | 95% |
| Multi-step reaction with 2 steps 1: sodium hydroxide / ethanol / 78 °C 2: thionyl chloride / 79 °C View Scheme |
- 53197-57-2
4,4'-dihydroxy-[1,1'-biphenyl]-2-carboxylic acid
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With zinc(II) chloride at 210℃; Neat (no solvent); | 90% |
| With zinc(II) chloride | |
| With zinc(II) chloride at 200℃; | |
| With thionyl chloride at 79℃; Friedel-Crafts acylation; | |
| Multi-step reaction with 2 steps 1: sulfuric acid / methanol / 2 h / Reflux 2: zinc(II) chloride / 2 h / 110 - 120 °C View Scheme |
- 42523-28-4
2,7-dimethoxy-9H-fluorenon-9-one
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With hydrogen bromide; acetic acid In water for 12h; Reflux; | 87% |
| With hydrogen bromide In acetic acid |
- 202865-84-7
4-bromo-3-iodo-phenol
- 100-83-4
meta-hydroxybenzaldehyde
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With palladium diacetate; potassium hydrogencarbonate; DL-Pro-NHMe In tert-Amyl alcohol at 120℃; for 24h; Inert atmosphere; | 74% |
- 89450-82-8
2,7-dihydroxy-9-oxo-fluorene-1-carboxylic acid
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With calcium oxide melting; |
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| With sulfuric acid |
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
- 71597-85-8
(p-hydroxyphenyl)boronic acid
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: sodium carbonate / tris(dibenzylideneacetone)dipalladium(0) / 1,2-dimethoxy-ethane; H2O / 85 °C 2: sodium hydroxide / ethanol / 78 °C 3: thionyl chloride / 79 °C View Scheme |
- 154607-00-8
methyl 2-bromo-5-hydroxybenzoate
- 42523-29-5
2,7-dihydroxy-9H-fluoren-9-one
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: sodium carbonate / tris(dibenzylideneacetone)dipalladium(0) / 1,2-dimethoxy-ethane; H2O / 85 °C 2: sodium hydroxide / ethanol / 78 °C 3: thionyl chloride / 79 °C View Scheme |
2,7-Dihydroxy-9-fluorenone Chemical Properties
Structure of 2,7-Dihydroxy-9-fluorenone (CAS NO.42523-29-5):
Empirical Formula: C13H8O3
Molecular Weight: 212.2008
Index of Refraction: 1.749
Molar Refractivity: 57.68 cm3
Molar Volume: 141.6 cm3
Polarizability: 22.86×10-24cm3
Surface Tension: 77.2 dyne/cm
Density: 1.497 g/cm3
Flash Point: 236.7 °C
Enthalpy of Vaporization: 72.93 kJ/mol
Boiling Point: 444.5 °C at 760 mmHg
Vapour Pressure: 1.63E-08 mmHg at 25°C
Product Categories: Fluorene Derivatives;Fluorenes, Flurenones
Synonyms of 2,7-Dihydroxy-9-fluorenone (CAS NO.42523-29-5): 9H-fluoren-9-one, 2,7-dihydroxy- ; 2,7-Dihydroxy-9-fluorenone .
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