Product Name

  • Name

    4-ACETYL-4'-BROMOBIPHENYL

  • EINECS 227-236-9
  • CAS No. 5731-01-1
  • Article Data23
  • CAS DataBase
  • Density 1.359 g/cm3
  • Solubility
  • Melting Point 129-133 °C(lit.)
  • Formula C14H11BrO
  • Boiling Point 372.1 °C at 760 mmHg
  • Molecular Weight 275.145
  • Flash Point 76.7 °C
  • Transport Information UN 3077
  • Appearance White or pale brown solid
  • Safety 26-36-61
  • Risk Codes 36-51/53
  • Molecular Structure Molecular Structure of 5731-01-1 (4-ACETYL-4'-BROMOBIPHENYL)
  • Hazard Symbols IrritantXi; DangerousN
  • Synonyms Acetophenone,4'-(p-bromophenyl)- (6CI,7CI,8CI);1-(4'-Bromobiphenyl-4-yl)ethanone;4-(4-Bromophenyl)acetophenone;4-Acetyl-4'-bromo-1,1'-biphenyl;4-Acetyl-4'-bromobiphenyl;4'-Bromo-4-acetylbiphenyl;NSC 58059;4'-(4-Bromophenyl)acetophenone;
  • PSA 17.07000
  • LogP 4.31870

Synthetic route

4-bromobenzenediazonium tetrafluoroborate
673-40-5

4-bromobenzenediazonium tetrafluoroborate

potassium 4-acetylphenyltrifluoroborate

potassium 4-acetylphenyltrifluoroborate

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With palladium 10% on activated carbon In methanol Suzuki-Miyaura cross-coupling; Reflux; Under air;91%
1,4-bromoiodobenzene
589-87-7

1,4-bromoiodobenzene

4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 120℃; for 1h; Suzuki Coupling;85%
4-bromo-1,1'-biphenyl
92-66-0

4-bromo-1,1'-biphenyl

acetyl chloride
75-36-5

acetyl chloride

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With aluminum (III) chloride In dichloromethane at 15℃; for 10.5h; Cooling with ice;84.98%
With aluminium trichloride In dichloromethane at 0℃; for 6h;69.6%
With aluminium trichloride In dichloromethane for 24h; Ambient temperature;19%
4-bromo-1,1'-biphenyl
92-66-0

4-bromo-1,1'-biphenyl

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
according to ref. 9.;77%
4-bromo-1,1'-biphenyl
92-66-0

4-bromo-1,1'-biphenyl

acetic anhydride
108-24-7

acetic anhydride

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With aluminium trichloride In carbon disulfide for 1h; Heating;77%
With aluminium trichloride In carbon disulfide
1,4-bromoiodobenzene
589-87-7

1,4-bromoiodobenzene

1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone
171364-81-1

1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)ethanone

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In N,N-dimethyl-formamide at 80℃; for 18h;75%
4-(4-bromophenyl)bromobenzene
92-86-4

4-(4-bromophenyl)bromobenzene

acetic anhydride
108-24-7

acetic anhydride

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
Stage #1: 4-(4-bromophenyl)bromobenzene With tri-n-butyllithium magnesate complex In tetrahydrofuran; hexane at 0℃; for 1.5h;
Stage #2: acetic anhydride In tetrahydrofuran; hexane at -20℃; for 1h;
63%
4-Bromophenylboronic acid
5467-74-3

4-Bromophenylboronic acid

para-bromoacetophenone
99-90-1

para-bromoacetophenone

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With potassium carbonate In methanol at 25℃; for 5h; Wavelength; Suzuki-Miyaura Coupling; Inert atmosphere; Irradiation;52%
4-Bromophenylboronic acid
5467-74-3

4-Bromophenylboronic acid

4-Hydroxyacetophenone
99-93-4

4-Hydroxyacetophenone

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
With potassium phosphate; 1,3-bis[(diphenylphosphino)propane]dichloronickel(II); 4-methyl-N-phenyl-N-tosylbenzenesulfonamide In 1,4-dioxane at 110℃; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique;10%
hydrogen cyanide
74-90-8

hydrogen cyanide

2-(4'-Bromo-biphenyl-4-yl)-2-hydroxy-propionitrile
74415-08-0

2-(4'-Bromo-biphenyl-4-yl)-2-hydroxy-propionitrile

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
In 1,4-dioxane; water at 30℃; Equilibrium constant;
para-bromoacetophenone
99-90-1

para-bromoacetophenone

12-phenylethynyl-6-methyl-5,6,7,12-tetrahydrodibenzo[c,f][1,5]azastibocine

12-phenylethynyl-6-methyl-5,6,7,12-tetrahydrodibenzo[c,f][1,5]azastibocine

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: palladium(II) acetate; potassium acetate / dimethylformamide / 18 h / 80 °C
2: 75 percent / Cs2CO3; Pd(PPh3)4 / dimethylformamide / 18 h / 80 °C
View Scheme
1.4-dibromobenzene
106-37-6

1.4-dibromobenzene

4-methylphenylboronic acid
5720-05-8

4-methylphenylboronic acid

4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

A

(4,4'-dimethyl-1,1'-biphenyl)
613-33-2

(4,4'-dimethyl-1,1'-biphenyl)

B

4-bromo-4'-methylbiphenyl
50670-49-0

4-bromo-4'-methylbiphenyl

C

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

D

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

E

4-acetyl-4'-methylbiphenyl
5748-38-9

4-acetyl-4'-methylbiphenyl

Conditions
ConditionsYield
Stage #1: 1.4-dibromobenzene; 4-acetylphenylboronic acid With (1-tert-butyl-4-{2-[(N,N-dimethylamino)methyl]phenyl}-3-phenyl-1H-1,2,4-triazol-4-ium-5-ide)palladium(II) dichloride for 1h; Suzuki-Miyaura Coupling; Inert atmosphere; Schlenk technique;
Stage #2: 4-methylphenylboronic acid for 1h; Inert atmosphere; Schlenk technique;
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

2-bromo-1-(4'-bromo<1,1'-biphenyl>-4-yl)ethanone
94512-73-9

2-bromo-1-(4'-bromo<1,1'-biphenyl>-4-yl)ethanone

Conditions
ConditionsYield
With pol(vinylphenyltrimethylammoniumtribromide) resin In methanol; water at 65℃; for 1h;96%
With bromine In dichloromethane at 20℃; for 48h;88.6%
With bromine In acetic acid87%
asaraldehyde
4460-86-0

asaraldehyde

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

1-[(4-(4-bromophenyl)phenyl)]-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one
1256153-24-8

1-[(4-(4-bromophenyl)phenyl)]-3-(2,4,5-trimethoxyphenyl)prop-2-en-1-one

Conditions
ConditionsYield
In methanol at 75℃; Claisen-Schmidt condensation; Ionic liquid; Microwave irradiation;96%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

ethylene glycol
107-21-1

ethylene glycol

2-bromomethyl-2-[4-(4-bromophenyl)phenyl]-1,3-dioxolane

2-bromomethyl-2-[4-(4-bromophenyl)phenyl]-1,3-dioxolane

Conditions
ConditionsYield
With pol(vinylphenyltrimethylammoniumtribromide) resin at 45℃; for 24h;96%
With N-Bromosuccinimide at 20℃; for 24h;92%
n-perfluorohexyl iodide
355-43-1

n-perfluorohexyl iodide

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

C20H11F13O
677324-87-7

C20H11F13O

Conditions
ConditionsYield
With copper In dimethyl sulfoxide Heating;93%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

αα-dichloromethyl-4'-bromobiphenyl ketone
1159274-77-7

αα-dichloromethyl-4'-bromobiphenyl ketone

Conditions
ConditionsYield
With 1,3-dichloro-5,5-dimethylhydantoin In acetonitrile at 20℃; for 0.75h; Inert atmosphere;93%
Stage #1: 4-bromo-4'-acetylbiphenyl With ammonium chloride In acetonitrile for 0.0833333h;
Stage #2: With 1,3-dichloro-5,5-dimethylhydantoin In acetonitrile at 35℃; for 12h;
93%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl
685114-64-1

4,4''''-dibromo-5''-(4'-bromo-[1,1'-biphenyl]-4-yl)-1,1':4',1'':3'',1''':4''',1''''-quinquephenyl

Conditions
ConditionsYield
With boron tri(hydrogen sulphate) In neat liquid at 100℃; for 6h; Green chemistry;91%
With Amberlyst 15 In toluene for 20h; Reflux;45%
With trifluorormethanesulfonic acid In toluene for 14h; Heating;38.9%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

malononitrile
109-77-3

malononitrile

6-(4'-bromobiphenyl-4-yl)-2-imino-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile
1231255-61-0

6-(4'-bromobiphenyl-4-yl)-2-imino-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile

Conditions
ConditionsYield
With ammonium acetate In ethanol Reflux;90%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

3,4-dichlorobenzaldehyde
6287-38-3

3,4-dichlorobenzaldehyde

malononitrile
109-77-3

malononitrile

6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-imino-1,2-dihydropyridine-3-carbonitrile
1231255-63-2

6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-imino-1,2-dihydropyridine-3-carbonitrile

Conditions
ConditionsYield
With ammonium acetate In ethanol Reflux;90%
1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane
423-39-2

1-iodo-2,2,3,3,4,4,5,5,5-nonafluorobutane

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

C18H11F9O
677324-84-4

C18H11F9O

Conditions
ConditionsYield
With copper In dimethyl sulfoxide for 24h; Heating;89%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

ethyl bromoacetate
105-36-2

ethyl bromoacetate

ethyl 3-hydroxy-3-(4'-bromo[1,1'-biphenyl]-4-yl)-butanoate
610781-48-1

ethyl 3-hydroxy-3-(4'-bromo[1,1'-biphenyl]-4-yl)-butanoate

Conditions
ConditionsYield
With zinc; iodine In benzene for 1.5h; Heating / reflux;88.9%
With iodine; zinc In benzene for 1.5h; Heating / reflux;88.9%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

benzamidine monohydrochloride
1670-14-0

benzamidine monohydrochloride

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

C28H18Br2N2

C28H18Br2N2

Conditions
ConditionsYield
Stage #1: 4-bromo-4'-acetylbiphenyl; 4-bromo-benzaldehyde With sodium hydroxide In ethanol at 20℃; for 8h;
Stage #2: benzamidine monohydrochloride With sodium hydroxide In ethanol for 8h; Reflux;
86%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

4'-[4-(trimethylsilylethynyl)phenyl]acetophenone
1086595-73-4

4'-[4-(trimethylsilylethynyl)phenyl]acetophenone

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 70℃; for 18h; Sonogashira coupling;85%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

3,4,5-trimethoxy-benzaldehyde
86-81-7

3,4,5-trimethoxy-benzaldehyde

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

6-(4'-bromobiphenyl-4-yl)-2-oxo-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile
1231255-64-3

6-(4'-bromobiphenyl-4-yl)-2-oxo-4-(3,4,5-trimethoxyphenyl)-1,2-dihydropyridine-3-carbonitrile

Conditions
ConditionsYield
With ammonium acetate In ethanol Reflux;85%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

3,4-dichlorobenzaldehyde
6287-38-3

3,4-dichlorobenzaldehyde

6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile
1231255-66-5

6-(4'-bromobiphenyl-4-yl)-4-(3,4-dichlorophenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile

Conditions
ConditionsYield
With ammonium acetate In ethanol Reflux;85%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

potassium ferrocyanide

potassium ferrocyanide

4-acetyl-4'-cyano-1,1'-biphenyl
59211-64-2

4-acetyl-4'-cyano-1,1'-biphenyl

Conditions
ConditionsYield
With dichloro[bis{1-(dicyclohexylphosphanyl)piperidine}]palladium; sodium carbonate In 1-methyl-pyrrolidin-2-one at 140℃; for 6h; Inert atmosphere;85%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

ortho-anisaldehyde
135-02-4

ortho-anisaldehyde

malononitrile
109-77-3

malononitrile

2-amino-6-(4'-bromobiphenyl-4-yl)-4-(2-methoxyphenyl)nicotinonitrile

2-amino-6-(4'-bromobiphenyl-4-yl)-4-(2-methoxyphenyl)nicotinonitrile

Conditions
ConditionsYield
With ammonium acetate In ethanol Reflux;85%
1-iodoheptadecafluorooctane
507-63-1

1-iodoheptadecafluorooctane

4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

C22H11F17O
677324-91-3

C22H11F17O

Conditions
ConditionsYield
With copper In dimethyl sulfoxide Heating;84%
4-bromo-4'-acetylbiphenyl
5731-01-1

4-bromo-4'-acetylbiphenyl

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

1-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-4-yl)ethan-1-one
269410-19-7

1-(4'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-[1,1'-biphenyl]-4-yl)ethan-1-one

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In N,N-dimethyl-formamide Reflux;84%

4'-(4-Bromophenyl)acetophenone Specification

The 4'-(4-Bromophenyl)acetophenone, with the CAS registry number 5731-01-1 and EINECS registry number 227-236-9, has the systematic name of 1-(4'-bromobiphenyl-4-yl)ethanone. It is a kind of white or pale brown solid, and belongs to the product categories: Aromatic Halides (substituted); Biphenyl & Diphenyl ether; Electronic Chemicals; Bromine Compounds; Biphenyls (Building Blocks for Liquid Crystals); Building Blocks for Liquid Crystals; Functional Materials; C13 to C14; Carbonyl Compounds; Ketones. And the molecular formula of the chemical is C14H11BrO.

The characteristics of 4'-(4-Bromophenyl)acetophenone are as followings: (1)ACD/LogP: 4.42; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 4.42; (4)ACD/LogD (pH 7.4): 4.42; (5)ACD/BCF (pH 5.5): 1335.87; (6)ACD/BCF (pH 7.4): 1335.87; (7)ACD/KOC (pH 5.5): 6012.02; (8)ACD/KOC (pH 7.4): 6012.02; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 17.07 Å2; (13)Index of Refraction: 1.592; (14)Molar Refractivity: 68.56 cm3; (15)Molar Volume: 202.4 cm3; (16)Polarizability: 27.18×10-24cm3; (17)Surface Tension: 42.3 dyne/cm; (18)Density: 1.359 g/cm3; (19)Flash Point: 76.7 °C; (20)Enthalpy of Vaporization: 61.92 kJ/mol; (21)Boiling Point: 372.1 °C at 760 mmHg; (22)Vapour Pressure: 9.83E-06 mmHg at 25°C.

Preparation of 4'-(4-Bromophenyl)acetophenone: 4'-(4-Bromophenyl)acetophenonecan be prepared by acetyl chloride and 4-bromo-biphenyl. The reaction will need reagent aluminum chloride, and the menstruum CH2Cl2. The reaction time is 6 hours with temperature of 0°C, and the yield is about 69.6%. 

Uses of 4'-(4-Bromophenyl)acetophenone: It can react with hydrogen cyanide; copper(1+) salt. This reaction will need reagent N-methylpyrrolidin-2-one. The reaction time is 4 hours with temperature of 185°C, and the yield is about 60%.

You should be cautious while dealing with 4'-(4-Bromophenyl)acetophenone. It irritates to eyes. It is also toxic to aquatic organisms, and may cause long-term adverse effects in the aquatic environment. Therefore, you had better take the following instructions: Avoid release to the environment. Refer to special instructions safety data sheet; Wear suitable protective clothing, gloves and eye/face protection; In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice.

Addtionally, the following datas could be converted into the molecular structure:
(1)SMILES: Brc2ccc(c1ccc(C(=O)C)cc1)cc2;
(2)InChI: InChI=1/C14H11BrO/c1-10(16)11-2-4-12(5-3-11)13-6-8-14(15)9-7-13/h2-9H,1H3;
(3)InChIKey: UUVKNCRMWPNBNM-UHFFFAOYAY-N;

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