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Name	2,7-Dibromo-9,9-diphenylfluororene	EINECS	1533716-785-6
CAS No.	186259-63-2	Density	1.548 g/cm³
PSA	0.00000	LogP	7.57470
Solubility	N/A	Melting Point	279-281 °C
Formula	C₂₅H₁₆Br₂	Boiling Point	520.3 °C at 760 mmHg
Molecular Weight	476.21	Flash Point	311.1 °C
Transport Information	N/A	Appearance	N/A
Safety		Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	2,7-Dibromo-9,9-diphenyl-9H-fluorene;	Article Data	13

2,7-Dibromo-9,9-diphenylfluororene Synthetic route

: 591-50-4
iodobenzene

: 16433-88-8
2,7-dibromo-9H-fluorene

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
With tetrabutylammomium bromide; sodium hydroxide In dimethyl sulfoxide for 5h; Sonication;	98%

: 132717-37-4
2,7-dibromo-(9-phenyl-9H-fluoren-9-ol)

: 71-43-2
benzene

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
With trifluorormethanesulfonic acid at 80℃; for 6h; Reflux;	93%
With trifluorormethanesulfonic acid at 80℃; for 6h; Friedel-Crafts reaction;	88%
With trifluorormethanesulfonic acid at 50 - 80℃; for 6h; Inert atmosphere; Schlenk technique;	70%

: 20302-14-1
9,9-diphenylfluorene

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
With bromine; acetic acid In chloroform for 1h; Inert atmosphere; Reflux;	90%

: (4,4'-dibromo-biphenyl-2-yl)-diphenyl-methanol

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
With sulfuric acid; acetic acid at 100℃; for 1h;	89%

: 14348-75-5
2,7-dibromofluorene-9-one

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: diethyl ether / 3 h / Heating 2: conc. H2SO4 / 3 h View Scheme
Multi-step reaction with 2 steps 1: 90 percent / diethyl ether / Heating 2: 88 percent / CF3SO3H / 6 h / 80 °C View Scheme
Multi-step reaction with 2 steps 1.1: magnesium / diethyl ether / 4 h / Reflux 1.2: 12 h / Reflux 2.1: trifluorormethanesulfonic acid / Heating View Scheme

: phenylmagnesium bromide

[(4-methoxy-1,3-η3-cyclohexenyl)PdCl]2: [(4-methoxy-1,3-η3-cyclohexenyl)PdCl]2

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: diethyl ether / 3 h / Heating 2: conc. H2SO4 / 3 h View Scheme

: methyl 4,4'-dibromo-[1,1'-biphenyl]-2-carboxylate

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 94 percent / tetrahydrofuran; hexane / 17 h / -78 - 20 °C 2: 89 percent / H2SO4; AcOH / 1 h / 100 °C View Scheme

: 591-51-5
phenyllithium

[Ru(η3-CH2CHCH2)(η5-C5Me5)(η2-t-BuNC(Ph)=Nt-Bu)](1+)*PF6(1-): [Ru(η3-CH2CHCH2)(η5-C5Me5)(η2-t-BuNC(Ph)=Nt-Bu)](1+)*PF6(1-)

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 94 percent / tetrahydrofuran; hexane / 17 h / -78 - 20 °C 2: 89 percent / H2SO4; AcOH / 1 h / 100 °C View Scheme

: phenylmagnesium bromide

antimony trichloride: antimony trichloride

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 90 percent / diethyl ether / Heating 2: 88 percent / CF3SO3H / 6 h / 80 °C View Scheme

: 108-86-1
bromobenzene

: 186259-63-2
2,7-dibromo-9,9-diphenyl-9H-fluorene

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1.1: magnesium / diethyl ether / 4 h / Reflux 1.2: 12 h / Reflux 2.1: trifluorormethanesulfonic acid / Heating View Scheme

2,7-Dibromo-9,9-diphenylfluororene Specification

The 2,7-Dibromo-9,9-diphenylfluororene is an organic compound with the formula C₂₅H₁₆Br₂. The systematic name of this chemical is 2,7-dibromo-9,9-diphenyl-9H-fluorene. With the CAS registry number 186259-63-2, it is also named as 9H-fluorene, 2,7-dibromo-9,9-diphenyl-. The product's categories are Fluorene Derivatives; Electronic Chemicals.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 7.80; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.8; (4)ACD/LogD (pH 7.4): 7.8; (5)ACD/BCF (pH 5.5): 501784.44; (6)ACD/BCF (pH 7.4): 501784.44; (7)ACD/KOC (pH 5.5): 418795.16; (8)ACD/KOC (pH 7.4): 418795.16; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: Å²; (13)Index of Refraction: 1.693; (14)Molar Refractivity: 117.96 cm³; (15)Molar Volume: 307.5 cm³; (16)Polarizability: 46.76×10^-24 cm³; (17)Surface Tension: 55.3 dyne/cm; (18)Density: 1.548 g/cm³; (19)Flash Point: 311.1 °C; (20)Enthalpy of Vaporization: 76.34 kJ/mol; (21)Boiling Point: 520.3 °C at 760 mmHg; (22)Vapour Pressure: 2.08E-10 mmHg at 25°C.

People can use the following data to convert to the molecule structure.
1. SMILES:Brc3ccc4c1ccc(Br)cc1C(c2ccccc2)(c4c3)c5ccccc5
2. InChI:InChI=1/C25H16Br2/c26-19-11-13-21-22-14-12-20(27)16-24(22)25(23(21)15-19,17-7-3-1-4-8-17)18-9-5-2-6-10-18/h1-16H
3. InChIKey:AJYDOCCGNIBJBY-UHFFFAOYAD
4. Std. InChI:InChI=1S/C25H16Br2/c26-19-11-13-21-22-14-12-20(27)16-24(22)25(23(21)15-19,17-7-3-1-4-8-17)18-9-5-2-6-10-18/h1-16H
5. Std. InChIKey:AJYDOCCGNIBJBY-UHFFFAOYSA-N

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