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Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide for 5h; Sonication; | 99% |
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide at 20℃; for 5h; Sonication; | 99% |
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide for 5h; Sonication; | 99% |
2,7-dibromo-9H-fluorene
2,7-dibromo-9,9-dimethyl-9H-fluorene
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide at 20℃; for 5h; | 99% |
9,9-dimethyl-9H-fluorene
2,7-dibromo-9,9-dimethyl-9H-fluorene
Conditions | Yield |
---|---|
With bromine In chloroform for 4h; Cooling with ice; | 76% |
With bromine |
methyl iodide
2,7-dibromo-9,9-dimethyl-9H-fluorene
Conditions | Yield |
---|---|
Stage #1: 2,7-dibromo-9H-fluorene With potassium tert-butylate In dimethyl sulfoxide at 5℃; Stage #2: methyl iodide In dimethyl sulfoxide at 5℃; |
2,7-dibromo-9,9-dimethyl-9H-fluorene
3,5-bis-trifluromethylphenylboronic acid
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 80℃; for 1.5h; Suzuki Coupling; | 98% |
2,7-dibromo-9,9-dimethyl-9H-fluorene
trimethyltin(IV)chloride
2,7-bis(trimethylstannyl)-9,9-dimethylfluorene
Conditions | Yield |
---|---|
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran; hexane at -70℃; for 1.25h; Stage #2: trimethyltin(IV)chloride In tetrahydrofuran; hexane at -78 - 20℃; for 6.08333h; | 97% |
2,7-dibromo-9,9-dimethyl-9H-fluorene
dimesitylfluoroborane
(7-bromo-9,9-dimethyl-9H-fluoren-2-yl)dimesitylborane
Conditions | Yield |
---|---|
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: dimesitylfluoroborane In tetrahydrofuran at -78 - 20℃; Inert atmosphere; | 94% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h; Stage #2: dimesitylfluoroborane In tetrahydrofuran; hexane at 20℃; for 6h; | 80% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran; hexane at -78℃; Stage #2: dimesitylfluoroborane In tetrahydrofuran; hexane for 12h; | 63% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran Stage #2: dimesitylfluoroborane |
4-trifluoromethylphenylamine
2,7-dibromo-9,9-dimethyl-9H-fluorene
C22H17BrF3N
Conditions | Yield |
---|---|
With sodium t-butanolate; C30H48FeP2; palladium dichloride In 1,4-dioxane for 3h; Heating / reflux; | 92% |
With sodium t-butanolate; C30H48FeP2; palladium dichloride In 1,4-dioxane for 3h; Heating / reflux; | 92 %Chromat. |
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
2,7-dibromo-9,9-dimethyl-9H-fluorene
4,4,5,5-tetramethyl-2-[7-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-9,9-dimethyl-9H-fluoren-2-yl]-[1,3,2]dioxaborolane
Conditions | Yield |
---|---|
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 0.5h; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane at 20℃; for 2h; | 90% |
With n-butyllithium In diethyl ether at -78 - 20℃; for 14h; Inert atmosphere; | 60.5% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78 - 0℃; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran at 20℃; | 33% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 2h; Inert atmosphere; Stage #2: 2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane In tetrahydrofuran for 25h; |
2,7-dibromo-9,9-dimethyl-9H-fluorene
N,N-dimethyl-formamide
7-bromo-9,9-dimethyl-9H-fluorene-2-carbaldehyde
Conditions | Yield |
---|---|
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at 20℃; for 2h; | 90% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78 - 20℃; | 90% |
Stage #1: 2,7-dibromo-9,9-dimethyl-9H-fluorene With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Inert atmosphere; Schlenk technique; Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -78 - 25℃; for 10h; Inert atmosphere; Schlenk technique; | 90% |
The systematic name of this chemical is 2,7-dibromo-9,9-dimethyl-9H-fluorene. With the CAS registry number 28320-32-3, it is also named as 9H-Fluorene,2,7-dibromo-9,9-dimethyl-. The product's categories are Fluorene Derivatives; Electronic Chemicals. The molecular weight of 2,7-Dibromo-9,9-dimethylfluorene is C15H12Br2 and molecular weight is 352.06.
The other characteristics of 2,7-Dibromo-9,9-dimethylfluorene can be summarized as: (1)ACD/LogP: 8.06; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7; (4)ACD/LogD (pH 7.4): 7; (5)ACD/BCF (pH 5.5): 78047; (6)ACD/BCF (pH 7.4): 78047; (7)ACD/KOC (pH 5.5): 110542; (8)ACD/KOC (pH 7.4): 110542; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 0 Å2; (13)Index of Refraction: 1.635; (14)Molar Refractivity: 78.497 cm3; (15)Molar Volume: 219.117 cm3; (16)Polarizability: 31.119×10-24 cm3; (17)Surface Tension: 46.054 dyne/cm; (18)Density: 1.607 g/cm3; (19)Flash Point: 230.294 °C; (20)Enthalpy of Vaporization: 62.744 kJ/mol; (21)Boiling Point: 401.811 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.
People can use the following data to convert to the molecule structure.
1. SMILES:Brc2ccc3c1ccc(Br)cc1C(C)(C)c3c2
2. InChI:InChI=1/C15H12Br2/c1-15(2)13-7-9(16)3-5-11(13)12-6-4-10(17)8-14(12)15/h3-8H,1-2H3
3. InChIKey:LONBOJIXBFUBKQ-UHFFFAOYAJ
4. Std. InChI:InChI=1S/C15H12Br2/c1-15(2)13-7-9(16)3-5-11(13)12-6-4-10(17)8-14(12)15/h3-8H,1-2H3
5. Std. InChIKey:LONBOJIXBFUBKQ-UHFFFAOYSA-N