Product Name

  • Name

    4,4'-Diacetylbiphenyl

  • EINECS 625-368-5
  • CAS No. 787-69-9
  • Article Data233
  • CAS DataBase
  • Density 1.094 g/cm3
  • Solubility
  • Melting Point 193-195 °C(lit.)
  • Formula C16H14O2
  • Boiling Point 386.5 °C at 760 mmHg
  • Molecular Weight 238.286
  • Flash Point 144.9 °C
  • Transport Information UN 3077 9/PG 3
  • Appearance White solid
  • Safety 60-61-36/37/39-26-37/39-36
  • Risk Codes 50/53-36/37/38-20/21/22
  • Molecular Structure Molecular Structure of 787-69-9 (4,4'-Diacetylbiphenyl)
  • Hazard Symbols DangerousN,IrritantXi,HarmfulXn
  • Synonyms 4,4'-Diacetylbiphenyl 98%;1-[4-(4-acetylphenyl)cyclohexyl]ethanone;1-[4-(4-acetylphenyl)phenyl]ethanone;
  • PSA 34.14000
  • LogP 3.75880

Synthetic route

para-bromoacetophenone
99-90-1

para-bromoacetophenone

4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With potassium carbonate; N,N-diethylaminopropyl-Al2O3-Pd(OAc)2 In ethanol; water for 0.0833333h; Suzuki-Miyaura reaction;100%
With potassium carbonate; Pd(NH3)2Cl2 In water at 100℃; for 3h; Suzuki cross-coupling reaction;99%
With iron(III) chloride; potassium fluoride In ethanol at 90℃; for 16h; Suzuki-Miyaura type coupling; sealed tube; air;99%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; [2-(Pd-Cl)-4,4'-dichlorobenzophenone oxime]2 In decane; N,N-dimethyl-formamide at 110℃; for 5h; Ullmann homocoupling;99%
With potassium iodide; nickel dibromide; zinc In N,N,N,N,N,N-hexamethylphosphoric triamide; N,N-dimethyl-formamide at 50℃; for 3h;98%
With potassium phosphate In water at 110℃; for 48h; Ullmann Condensation;98%
para-chloroacetophenone
99-91-2

para-chloroacetophenone

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With sodium hydroxide; ascorbic acid In water at 80℃; for 3h; Catalytic behavior; Ullmann Condensation;99%
With samarium; triphenylphosphine; nickel dichloride In N,N-dimethyl-formamide at 70℃; for 6h;98%
With carbon dioxide; aluminium; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 65℃; under 116262 Torr; for 16h; Ullmann reaction;97%
para-chloroacetophenone
99-91-2

para-chloroacetophenone

4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium carbonate; Pd(NH3)2Cl2 In water at 140℃; for 5h; Suzuki cross-coupling reaction;99%
With (η3-2-methylallyl)Pd(N3)(1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene); caesium carbonate In methanol at 80℃; for 1h; Suzuki-Miyaura Coupling; Schlenk technique;99%
With potassium phosphate; tetrabutylammomium bromide In water at 95℃; for 40h; Suzuki-Miyaura Coupling;90%
4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With sodium hydroxide In water at 120 - 130℃; Microwave irradiation;99%
With sodium carbonate; p-toluenesulfonyl chloride; palladium dichloride In ethanol; water at 20℃; for 12h;96%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; palladium diacetate; tetraethylammonium perchlorate; potassium carbonate In water; acetonitrile at 20℃; Electrochemical reaction; Divided cell; Inert atmosphere;95%
biphenyl
92-52-4

biphenyl

acetyl chloride
75-36-5

acetyl chloride

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
Stage #1: acetyl chloride With aluminium trichloride In dichloromethane at 0℃; for 0.333333h;
Stage #2: biphenyl In dichloromethane at 0 - 40℃; Friedel-Crafts acetylation; Further stages.;
97.5%
With carbon disulfide; aluminum (III) chloride for 4.83333h; Reflux;90%
With aluminium trichloride In 1,2-dichloro-ethane for 12h;68%
para-bromoacetophenone
99-90-1

para-bromoacetophenone

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With potassium phosphate; [NBu4][Pd(DMSO)Cl3]; hydroquinone In N,N-dimethyl-formamide at 140℃; for 3h; Temperature; Reagent/catalyst; Inert atmosphere;95%
With bis(1,5-cyclooctadiene)nickel (0) In N,N-dimethyl-formamide at 45℃; for 36h;93%
With potassium carbonate In ethanol; water at 20℃; for 12h; Ullmann Condensation;92%
C8H7BF3O(1-)*C10H15NPol(1+)

C8H7BF3O(1-)*C10H15NPol(1+)

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With copper diacetate In ethanol; water dowex resin; Ullmann Condensation; Sonication;94%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

(Z)-2-(2,2-diisopropyl-1-oxa-2-silacyclopent-3-ylidene)acetaldehyde
572901-35-0

(Z)-2-(2,2-diisopropyl-1-oxa-2-silacyclopent-3-ylidene)acetaldehyde

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

(2Z)-3-(4-acetylphenyl)-5-hydroxy-2-pentenal

(2Z)-3-(4-acetylphenyl)-5-hydroxy-2-pentenal

Conditions
ConditionsYield
With copper(l) iodide; bis(η3-allyl-μ-chloropalladium(II)); [-MeSi(H)O-]3-5; potassium fluoride In N,N-dimethyl-formamide at 20℃; for 2h;A 7%
B 91%
para-chloroacetophenone
99-91-2

para-chloroacetophenone

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
With D-glucose; tetrabutylammonium acetate; palladium diacetate In water at 90℃; for 6h; Ullmann-type homocoupling reaction;A 88%
B 13%
With potassium hydroxide In water; N,N-dimethyl-formamide at 35℃; for 24h; Ullmann Condensation; Inert atmosphere;A 86%
B 5%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

tetrabutylammonium triphenyldifluorosilicate

tetrabutylammonium triphenyldifluorosilicate

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
bis(η3-allyl-μ-chloropalladium(II)) In N,N-dimethyl-formamide at 95℃; for 5h; Product distribution; catalysis with Pd*dba)2; other solvents; cross-coupling reactions of arenes with a hypervalent silicon reagent tetrabutylammonium triphenyldichlorosilicate; hetero- and homocoupled products;A 86%
B 14%
para-bromoacetophenone
99-90-1

para-bromoacetophenone

bis(pinacol)diborane
73183-34-3

bis(pinacol)diborane

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

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

Conditions
ConditionsYield
With potassium acetate; palladium diacetate In N,N-dimethyl-formamide at 80℃; for 3h;A n/a
B 86%
With potassium acetate; palladium diacetate In N,N-dimethyl-formamide at 80℃; for 18h;
With bis(tri-t-butylphosphine)palladium(0); potassium acetate In water at 20℃; for 6h; Miyaura Borylation Reaction; Inert atmosphere; Overall yield = 71 %;
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

4-acetylphenylboronic acid
149104-90-5

4-acetylphenylboronic acid

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With Pd(L-proline)2; potassium carbonate In water for 20h; Suzuki-Miyaura Coupling; Sealed tube; Reflux;84%
Stage #1: 4-Iodoacetophenone With tetrakis(triphenylphosphine) palladium(0) In 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide at 20 - 110℃; Suzuki coupling; Inert atmosphere; Ionic liquid;
Stage #2: 4-acetylphenylboronic acid With triethylamine In 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide; water at 20 - 110℃; Suzuki coupling; Ionic liquid; Inert atmosphere;
para-bromoacetophenone
99-90-1

para-bromoacetophenone

phenylboronic acid
98-80-6

phenylboronic acid

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With potassium carbonate for 1.5h; Suzuki Coupling; Milling;A 84%
B 15%
With potassium phosphate; C33H43N3Ni*F6P(1-) In toluene at 90℃; for 0.25h; Suzuki coupling; Inert atmosphere;
With potassium phosphate; C15H24ClN2Ni In toluene at 110℃; for 1h; Suzuki-Miyaura Cross-Coupling; Inert atmosphere;
4-bromoethylbutanoate
2969-81-5

4-bromoethylbutanoate

para-bromoacetophenone
99-90-1

para-bromoacetophenone

A

diethyl suberate
2050-23-9

diethyl suberate

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

C

4-(4-acetylphenyl)butyric acid ethyl ester
71665-59-3

4-(4-acetylphenyl)butyric acid ethyl ester

D

butanoic acid ethyl ester
105-54-4

butanoic acid ethyl ester

E

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
With pyridine; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; 1,10-Phenanthroline; NiI2*3.5H2O; sodium iodide; zinc at 20 - 60℃; for 25h; chemoselective reaction;A n/a
B n/a
C 84%
D n/a
E n/a
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

(Z)-2-(2,2-diisopropyl-1-oxa-2-silacyclopent-3-ylidene)propanal
572901-36-1

(Z)-2-(2,2-diisopropyl-1-oxa-2-silacyclopent-3-ylidene)propanal

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

(2Z)-3-(4-acetylphenyl)-5-hydroxy-2-methyl-2-pentenal

(2Z)-3-(4-acetylphenyl)-5-hydroxy-2-methyl-2-pentenal

Conditions
ConditionsYield
With copper(l) iodide; bis(η3-allyl-μ-chloropalladium(II)); [-MeSi(H)O-]3-5; potassium fluoride In N,N-dimethyl-formamide at 20℃; for 7h;A 14 % Spectr.
B 83%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

phenylboronic acid
98-80-6

phenylboronic acid

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With Br(1-)*C27H29BrN5Pd(1+); potassium carbonate In 1-methylpiperidin-2-one at 140℃; for 24h; Suzuki coupling;A 83%
B 12%
With potassium carbonate In water; N,N-dimethyl-formamide at 100℃; for 12h; Suzuki-Miyaura reaction; Inert atmosphere;A 70%
B 15%
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium carbonate In water; N,N-dimethyl-formamide at 20℃; for 2h; Catalytic behavior; Suzuki Coupling; Inert atmosphere; Irradiation;A 68%
B 14%
With tributyl-amine; tetrabutylammomium bromide; oxime carbapalladacycle complex on Al In toluene at 110℃; for 72h; Suzuki-Miyaura cross-coupling; Title compound not separated from byproducts;
1-(4-(tributylstannyl)phenyl)ethan-1-one
79048-33-2

1-(4-(tributylstannyl)phenyl)ethan-1-one

para-bromoacetophenone
99-90-1

para-bromoacetophenone

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With [Pd{C6H4(CH2N(CH2Ph)2)}(μ-Br)]2; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 0.116667h; Stille coupling; Microwave irradiation;83%
4-vinylbenzyl chloride
1073-67-2

4-vinylbenzyl chloride

4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

C16H13ClO
62827-82-1

C16H13ClO

C

C16H13ClO

C16H13ClO

Conditions
ConditionsYield
With C32H25ClNO2PPd; triethylamine at 130℃; for 1.5h; Catalytic behavior; Sealed tube; Green chemistry;A 7%
B 83%
C 10%
4-acetophenyl triflate
109613-00-5

4-acetophenyl triflate

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate; bis(pinacol)diborane; (diphenylphosphin)ferrocene In 1,4-dioxane at 80℃; for 14h;82%
potassium 4-acetylphenyltrifluoroborate

potassium 4-acetylphenyltrifluoroborate

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With Pd(np)/Te-Dps; water at 100℃; for 10h; pH=8.9; Aerobic conditions; aq. Tris-HCl buffer; Combinatorial reaction / High throughput screening (HTS);82%
potassium benzo[d][1,3]dioxol-5-yltrifluoroborate

potassium benzo[d][1,3]dioxol-5-yltrifluoroborate

1-(4-acetylphenyl)diazonium tetrafluoroborate
350-47-0

1-(4-acetylphenyl)diazonium tetrafluoroborate

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

2-(p-acetylphenyl)benzofuran
132932-61-7

2-(p-acetylphenyl)benzofuran

Conditions
ConditionsYield
With bis(dibenzylideneacetone)-palladium(0) In water at 0 - 25℃; for 3h; Reagent/catalyst; Temperature; Time; Concentration; Suzuki-Miyaura Coupling;A 16%
B 82%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

phenyl tris(2,2,2-trifluoroethyl)siloxane
108195-09-1

phenyl tris(2,2,2-trifluoroethyl)siloxane

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran; N,N-dimethyl-formamide at 95℃; for 2h;A 78%
B 16%
4-Iodoacetophenone
13329-40-3

4-Iodoacetophenone

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With phenyl tris(2,2,2-trifluoroethyl)siloxane; tetrabutyl ammonium fluoride; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran; N,N-dimethyl-formamide at 95℃; for 2h;A 78%
B 16%
4-acetophenyl triflate
109613-00-5

4-acetophenyl triflate

potassium 3-(p-tolylsulfonylamino)propyltrifluoroborate

potassium 3-(p-tolylsulfonylamino)propyltrifluoroborate

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

N-(3-(4-acetylphenyl)propyl)-4-methylbenzenesulfonamide

N-(3-(4-acetylphenyl)propyl)-4-methylbenzenesulfonamide

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; water; caesium carbonate In tetrahydrofuran for 72h; Suzuki-Miyaura reaction; Heating;A n/a
B 75%
4-bromoethylbutanoate
2969-81-5

4-bromoethylbutanoate

para-chloroacetophenone
99-91-2

para-chloroacetophenone

A

diethyl suberate
2050-23-9

diethyl suberate

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

C

4-(4-acetylphenyl)butyric acid ethyl ester
71665-59-3

4-(4-acetylphenyl)butyric acid ethyl ester

D

butanoic acid ethyl ester
105-54-4

butanoic acid ethyl ester

E

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
With pyridine; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; 4,4'-Dimethoxy-2,2'-bipyridin; NiI2*3.5H2O; sodium iodide; zinc at 20 - 60℃; for 18h; chemoselective reaction;A n/a
B n/a
C 75%
D n/a
E n/a
(4-acetylphenyl)(mesityl)iodonium trifluoromethanesulfonate trifluoromethanesulfonate

(4-acetylphenyl)(mesityl)iodonium trifluoromethanesulfonate trifluoromethanesulfonate

A

iodomesitylene
4028-63-1

iodomesitylene

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With palladium diacetate at 50℃; for 0.166667h; Microwave irradiation;A n/a
B 75%
para-bromoacetophenone
99-90-1

para-bromoacetophenone

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

p-BrZnPhCOCH3
135579-88-3

p-BrZnPhCOCH3

C

acetophenone
98-86-2

acetophenone

Conditions
ConditionsYield
Stage #1: With Ethyl 4-bromobenzoate; trifluoroacetic acid; cobalt(II) bromide; zinc In hexanedinitrile; acetonitrile for 0.166667 - 0.5h;
Stage #2: para-bromoacetophenone With zinc dibromide In hexanedinitrile; acetonitrile at 20℃; Product distribution / selectivity;
A 12%
B 74%
C 14%
With Ethyl 4-bromobenzoate; trifluoroacetic acid; cobalt(II) bromide; zinc dibromide; zinc In acetonitrile at 0℃; for 0.416667h; Product distribution / selectivity;A 23%
B 59%
C 8%
4-acetophenyl triflate
109613-00-5

4-acetophenyl triflate

potassium (3-chloropropyl)trifluoroborate

potassium (3-chloropropyl)trifluoroborate

A

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

B

1-[4-(3-chloropropyl)phenyl]ethanone
91427-06-4

1-[4-(3-chloropropyl)phenyl]ethanone

Conditions
ConditionsYield
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; water; caesium carbonate In tetrahydrofuran for 72h; Suzuki-Miyaura reaction; Heating;A n/a
B 72%
triethoxyphenylsilane
780-69-8

triethoxyphenylsilane

para-bromoacetophenone
99-90-1

para-bromoacetophenone

A

biphenyl-4-acetaldehyde
92-91-1

biphenyl-4-acetaldehyde

B

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride; water; palladium dichloride; P(p-C6H4F)3 In toluene at 120℃; for 3.5h; Hiyama coupling; Inert atmosphere;A 72%
B 16%
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

α,α'-dimethyl-4,4'-biphenylenedimethanol
15480-49-6

α,α'-dimethyl-4,4'-biphenylenedimethanol

Conditions
ConditionsYield
With lithium aluminium tetrahydride In tetrahydrofuran at 21℃; for 96h; Inert atmosphere;98%
With hydrogen; nickel In ethanol at 60 - 70℃; under 11400.8 - 53203.6 Torr; for 1h;87%
With sodium tetrahydroborate In isopropyl alcohol
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

4,4'-bis(bromoacetyl)biphenyl
4072-67-7

4,4'-bis(bromoacetyl)biphenyl

Conditions
ConditionsYield
With bromine; acetic acid at 20 - 50℃; for 24h;96%
With bromine In dichloromethane for 1.25h; Flow reactor;93%
Stage #1: 4,4'-diacetylbiphenyl With trimethylsilyl trifluoromethanesulfonate; N-ethyl-N,N-diisopropylamine In dichloromethane at 0℃; for 0.25h;
Stage #2: With N-Bromosuccinimide In dichloromethane at 0℃; for 2h; Concentration;
92%
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

1,1'−([1,1'−biphenyl]−4,4'−diyl)diethanol
15480-49-6, 143329-90-2, 143394-13-2, 147977-14-8, 143329-91-3

1,1'−([1,1'−biphenyl]−4,4'−diyl)diethanol

Conditions
ConditionsYield
With (+)-β-chlorodiisopinocampheylborane In diethyl ether at 25℃; for 3h;94%
With formic acid; [ruthenium(II)(η6-1-methyl-4-isopropyl-benzene)(chloride)(μ-chloride)]2; triethylamine; (R,R)-N-(p-toluenesulfonyl)-1,2-diphenylethylenediamine at 40℃; for 25h; Inert atmosphere; optical yield given as %ee; enantioselective reaction;94%
Multi-step reaction with 3 steps
1: sodium borohydride / propan-2-ol
2: 29.1 percent / benzene / 10 h / Amano P lipoprotein lipase
3: 88 percent / NaOH / methanol
View Scheme
Multi-step reaction with 2 steps
1: 1) sodium borohydride, 2) acetic anhydride / 1) isopropanol, 2) benzene, Amano P lipoprotein lipase, 10 h
2: 88 percent / NaOH / methanol
View Scheme
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

4,4'-diacetyldiphenyl dioxime
137427-62-4

4,4'-diacetyldiphenyl dioxime

Conditions
ConditionsYield
With pyridine; hydroxylamine hydrochloride at 60℃; for 3.5h;93%
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

4,4'-di-oxoacetyl-biphenyl
2673-23-6

4,4'-di-oxoacetyl-biphenyl

Conditions
ConditionsYield
With hydrogen bromide In dimethyl sulfoxide at 60℃; for 18h;91%
With selenium(IV) oxide
With selenium(IV) oxide In 1,4-dioxane Heating;
With iodine; dimethyl sulfoxide at 20 - 130℃; Kornblum Aldehyd Synthesis; Sealed tube;
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

(S,S)−1,1'−([1,1'−biphenyl]−4,4'−diyl)diethanol
143329-90-2

(S,S)−1,1'−([1,1'−biphenyl]−4,4'−diyl)diethanol

Conditions
ConditionsYield
With (-)-diisopinocamphenylborane chloride In dichloromethane at -25℃; for 3h;90%
With E.coli alcohol dehydrogenase In 1-butyl-3-methylimidazolium bis(trifluoromethanesulfonyl)imide; isopropyl alcohol at 30℃; for 18h; pH=8.3; aq. buffer; Ionic liquid; Enzymatic reaction; optical yield given as %ee; enantioselective reaction;
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

borontrifluoride acetic acid
753-53-7, 373-61-5

borontrifluoride acetic acid

6,6'-([1,1-biphenylene]-4,4'-diyl)bis(2,2-difluoro-4-methyl-2H-1,3,2-dioxaborinin-1-ium-2-uide)

6,6'-([1,1-biphenylene]-4,4'-diyl)bis(2,2-difluoro-4-methyl-2H-1,3,2-dioxaborinin-1-ium-2-uide)

Conditions
ConditionsYield
With acetic anhydride at 45℃; for 4h; Inert atmosphere;90%
3,3'-dinonanoylbenzidine
625836-31-9

3,3'-dinonanoylbenzidine

4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

poly(2,2'-(4,4'-diphenylene)-6,6'-bis(4-octylquinoline)), Mw 3.3E4, PDI 4.90 by GPC; monomer(s): 4,4'-diacetylbiphenyl; 3,3'-dinonanoylbenzidine

poly(2,2'-(4,4'-diphenylene)-6,6'-bis(4-octylquinoline)), Mw 3.3E4, PDI 4.90 by GPC; monomer(s): 4,4'-diacetylbiphenyl; 3,3'-dinonanoylbenzidine

Conditions
ConditionsYield
With diphenyl hydrogen phosphate In various solvent(s) at 140℃; for 72h;85%
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

aminoguanidine monohydrochloride

aminoguanidine monohydrochloride

(2E,2'E)-2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethan-1-yl-1-ylidene))bis(hydrazine-1-carboximidamide) dihydrochloride

(2E,2'E)-2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethan-1-yl-1-ylidene))bis(hydrazine-1-carboximidamide) dihydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol; water at 80℃; for 0.5h; Inert atmosphere;85%
4,4'-diacetylbiphenyl
787-69-9

4,4'-diacetylbiphenyl

hydrazinecarboximidamide hydrochloride

hydrazinecarboximidamide hydrochloride

(2E,2'E)-2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethan-1-yl-1-ylidene))bis(hydrazine-1-carboximidamide) dihydrochloride

(2E,2'E)-2,2'-([1,1'-biphenyl]-4,4'-diylbis(ethan-1-yl-1-ylidene))bis(hydrazine-1-carboximidamide) dihydrochloride

Conditions
ConditionsYield
With hydrogenchloride In ethanol at 80℃; for 0.5h; Inert atmosphere;85%

4,4'-Diacetylbiphenyl Chemical Properties


IUPAC Name: 1-[4-(4-Acetylphenyl)phenyl]ethanone 
Empirical Formula: C16H14O2
Molecular Weight: 238.2812
Canonical SMILES: CC(=O)C1=CC=C(C=C1)C2=CC=C(C=C2)C(=O)C
InChI: InChI=1S/C16H14O2/c1-11(17)13-3-7-15(8-4-13)16-9-5-14(6-10-16)12(2)18/h3-10H,1-2H3
InChIKey: YSTSBXDVNKYPTR-UHFFFAOYSA-N
XLogP3: 3.7
H-Bond Donor: 0
H-Bond Acceptor: 2 
Index of Refraction: 1.564
Molar Refractivity: 70.9 cm3
Molar Volume: 217.7 cm3
Surface Tension: 40.9 dyne/cm
Density: 1.094 g/cm3
Flash Point: 144.9 °C
Enthalpy of Vaporization: 63.54 kJ/mol
Boiling Point: 386.5 °C at 760 mmHg
Vapour Pressure: 3.54E-06 mmHg at 25 °C
Melting Point: 193-195 °C(lit.)
Product Categories of 4,4'-Diacetylbiphenyl (CAS NO.787-69-9): Aromatic Acetophenones & Derivatives (substituted); Biphenyl & Diphenyl ether; Biphenyls (for High-Performance Polymer Research); Functional Materials; Reagent for High-Performance Polymer Research; C15 to C38; Carbonyl Compounds; Ketones

4,4'-Diacetylbiphenyl Uses

 4,4'-Diacetylbiphenyl (CAS NO.787-69-9) is used as intermediates of liquid crystals.

4,4'-Diacetylbiphenyl Safety Profile

Hazard Codes: DangerousN,IrritantXi,HarmfulXn
Risk Statements: 50/53-36/37/38-20/21/22 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R36/37/38:Irritating to eyes, respiratory system and skin. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 60-61-36/37/39-26-37/39-36 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37/39:Wear suitable gloves and eye/face protection. 
S36:Wear suitable protective clothing.
RIDADR: UN 3077 9/PG 3
WGK Germany: 3
Hazard Note of 4,4'-Diacetylbiphenyl (CAS NO.787-69-9): Irritant

4,4'-Diacetylbiphenyl Specification

  4,4'-Diacetylbiphenyl (CAS NO.787-69-9), its Synonyms are 1-(4'-Acetyl[1,1'-biphenyl]-4-yl)ethan-1-one ; Bis-acetophenone ; 1-(4'-Acetyl-biphenyl-4-yl)-ethaone ; 4',4''-Biacetophenone ; 1-(4'-Acetyl[1,1'-biphenyl]-4-yl)ethanone ; 4,4'-Diacetylbiphenyl,98% . It is white solid.

Post buying leads

About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia

Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog

©2008 LookChem.com,License: ICP

NO.:Zhejiang16009103

complaints:service@lookchem.com Desktop View