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2,5-Dibromo-3-hexylthiophene

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Name

2,5-Dibromo-3-hexylthiophene

EINECS 639-833-5
CAS No. 116971-11-0 Density 1.551 g/cm3
PSA 28.24000 LogP 5.39590
Solubility N/A Melting Point N/A
Formula C10H14Br2S Boiling Point 317.2 °C at 760 mmHg
Molecular Weight 326.095 Flash Point 145.6 °C
Transport Information N/A Appearance Light yellow liquid
Safety 24/25 Risk Codes N/A
Molecular Structure Molecular Structure of 116971-11-0 (2,5-Dibromo-3-hexylthiophene) Hazard Symbols N/A
Synonyms

2,4-DICHLORO-D-BETA-HOMOPHENYLALANINE HYDROCHLORIDE;2,5-Dibromo-3-hex-1-ylthiophene;2,5-dibromo-3-n-hexylthiophene;2,5-dibromo-3-hexyl-thiophene;2,5-Dibromo-3-hexylt;2,5-Dibromo-3-Hexylthiophene;3-BroMo-N-phenylcarbazole/3-BroMo-9-phenylcarbazole;

Article Data 31

2,5-Dibromo-3-hexylthiophene Synthetic route

1693-86-3

3-hexylthiophene

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
With N-Bromosuccinimide In chloroform at 0℃;99%
With N-Bromosuccinimide In chloroform; N,N-dimethyl-formamide at 60℃;98%
With hydrogen bromide; dihydrogen peroxide In water at -5 - 20℃; for 23h; Product distribution / selectivity;97%
1693-86-3

3-hexylthiophene

A

69249-61-2

3-hexyl-2-bromothiophene

B

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
With N-Bromosuccinimide In acetic acid for 0.833333h; Yields of byproduct given;A 91.7%
B n/a
69249-61-2

3-hexyl-2-bromothiophene

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
With N-Bromosuccinimide; acetic acid In chloroform Heating;87%
Multi-step reaction with 2 steps
1: 225 mg / 1.) butyllithium, 2.) Fe(acac)3 / 1.) THF, hexane, 20 min, 2.) THF, hexane, -70 deg C, 2 h
2: 95 percent / NBS / CHCl3; acetic acid / 0.5 h / Heating
View Scheme
3761-92-0

n-hexylmagnesium bromide

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: diethyl ether
2: 95 percent / tetrabutylammonium bromide; methanol; Br2 / CH2Cl2 / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) / tetrahydrofuran
2: N-Bromosuccinimide
View Scheme
Multi-step reaction with 2 steps
1: tetrahydrofuran / 15 h / Reflux
2: N-Bromosuccinimide / tetrahydrofuran / 1 h / 0 - 5 °C
View Scheme
Multi-step reaction with 2 steps
1: 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) / diethyl ether
2: N-Bromosuccinimide / 20 °C / Cooling with ice
View Scheme
Multi-step reaction with 2 steps
1: 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) / tetrahydrofuran / 14 h / 55 °C
2: N-Bromosuccinimide / tetrahydrofuran / 12 h / 28 °C
View Scheme
111-25-1

1-bromo-hexane

(+-)-2-<2-methyl-octyl>-pyridine

(+-)-2-<2-methyl-octyl>-pyridine

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: magnesium / diethyl ether / 2 h / 0 - 20 °C
1.2: 70 percent / [NiCl2(dppp)] / diethyl ether / 3 h
2.1: 70 percent / N-bromosuccinimide / dimethylformamide / 5 h / -20 - 20 °C
View Scheme
111-25-1

1-bromo-hexane

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: magnesium / diethyl ether / 2 h / 20 °C / Inert atmosphere
1.2: 20 °C / Inert atmosphere; Cooling with acetone-dry ice
2.1: N-Bromosuccinimide / tetrahydrofuran / 4 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1.1: magnesium / diethyl ether / 2.5 h / 20 °C / Inert atmosphere
1.2: 20 °C / Inert atmosphere; Cooling with acetone-dry ice
2.1: N-Bromosuccinimide / tetrahydrofuran / 4.17 h / 20 °C / Inert atmosphere
View Scheme
Multi-step reaction with 3 steps
1: zinc / tetrahydrofuran / 3 h / 20 °C / Inert atmosphere
2: lithium bromide; 1,2-bis(diphenylphosphino)ethane nickel(II) chloride / tetrahydrofuran / 20 °C / Inert atmosphere; Schlenk technique
3: N-Bromosuccinimide / N,N-dimethyl-formamide / Inert atmosphere
View Scheme
124397-96-2

1-hexylzinc bromide

116971-11-0

2,5-dibromo-3-hexylthiophene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: lithium bromide; 1,2-bis(diphenylphosphino)ethane nickel(II) chloride / tetrahydrofuran / 20 °C / Inert atmosphere; Schlenk technique
2: N-Bromosuccinimide / N,N-dimethyl-formamide / Inert atmosphere
View Scheme
950511-16-7

1-(2,3-dihydro-1H-naphtho[1,8-de]-1,3,2-diazaborinyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzene

116971-11-0

2,5-dibromo-3-hexylthiophene

950511-34-9

4-hexyl-1,5-bis(2,3-dihydro-1H-naphtho[1,8-de]-1,3,2-diazaborinyl)thiophene

Conditions
ConditionsYield
With sodium hydroxide; bis(tri-tert-butylphosphine)palladium In 1,4-dioxane; water at 60℃; for 4h; Suzuki-Miyaura coupling;99%
54663-78-4

tributyl(thien-2-yl)stannane

116971-11-0

2,5-dibromo-3-hexylthiophene

173448-32-3

3'-hexyl-2,2':5',2"-terthiophene

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 80℃;95%
116971-11-0

2,5-dibromo-3-hexylthiophene

511295-00-4

2,3,4,6-tetrafluorophenyl(dihydroxy)borane

C22H16F8S

Conditions
ConditionsYield
With C36H49BrFPPd; sodium sulfate; triethylamine In water; toluene at 20℃; for 5h; Suzuki-Miyaura Coupling;95%

2,5-Dibromo-3-hexylthiophene Specification

The 2,5-Dibromo-3-hexylthiophene with cas registry number of 116971-11-0 is a kind of light yellow to white crystal powder. It belongs to the following categories: Thiophenes; pharmacetical; API intermediates; Carbozale derivatives; Organic Electronics and Photonics; Synthetic Tools and Reagents; Thiophene Monomers and Building Blocks. Both its systematic name and IUPAC name are the same which is called 2,5-dibromo-3-hexylthiophene.

The physical properties about this chemical are: (1)ACD/LogP: 6.67; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.67; (4)ACD/LogD (pH 7.4): 6.67; (5)ACD/BCF (pH 5.5): 69046; (6)ACD/BCF (pH 7.4): 69046; (7)ACD/KOC (pH 5.5): 101259.54; (8)ACD/KOC (pH 7.4): 101259.54; (9)#H bond acceptors: 0; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 5; (12)Index of Refraction: 1.561; (13)Molar Refractivity: 68.09 cm3; (14)Molar Volume: 210.1 cm3; (15)Surface Tension: 39.6 dyne/cm; (16)Density: 1.551 g/cm3; (17)Flash Point: 145.6 °C; (18)Enthalpy of Vaporization: 53.64 kJ/mol; (19)Boiling Point: 317.2 °C at 760 mmHg; (20)Vapour Pressure: 0.000726 mmHg at 25°C ; (21)Refractive index: 1.557.

Preparation: this chemical can be made by 3-hexyl-thiophene with reagents Br2 and solvent
CHCl3 at ambient temperature.

Uses of 2,5-Dibromo-3-hexylthiophene: it can react with ethynyl-trimethyl-silane to produce (5-bromo-4-hexyl-thiophen-2-ylethynyl)-trimethyl-silane by using reagents [PdCl2(PPh3)2], CuI and various solvents at temperature of 20 ℃.

You can still convert the following datas into molecular structure:
(1)SMILES: Brc1sc(Br)cc1CCCCCC;
(2)InChI: InChI=1/C10H14Br2S/c1-2-3-4-5-6-8-7-9(11)13-10(8)12/h7H,2-6H2,1H3;
(3)InChIKey: NSYFIAVPXHGRSH-UHFFFAOYAL

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