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4,4'-Diacetylbiphenyl
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787-69-9 2,4-Difluorobenzylamine
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4,4'-Diacetylbiphenyl
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4,4'-Diacetylbiphenyl
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4,4'-Diacetylbiphenyl
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CAS 787-69-9 4,4'-Diacetylbiphenyl
Cas No: 787-69-9
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BLOOM TECH Advanced API/Technology support 4,4'-Diacetylbiphenyl CAS 787-69-9
Cas No: 787-69-9
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787-69-9 Usage

Chemical Properties

White solid

Uses

Intermediates of Liquid Crystals

787-69-9 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A15911)  4,4'-Diacetylbiphenyl, 98%    787-69-9 25g 2218.0CNY Detail
Alfa Aesar (A15911)  4,4'-Diacetylbiphenyl, 98%    787-69-9 5g 502.0CNY Detail

787-69-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,4'-Diacetylbiphenyl

1.2 Other means of identification

Product number -
Other names 1-[4-(4-acetylphenyl)phenyl]ethanone

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:787-69-9 SDS

787-69-9Synthetic 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%

787-69-9Upstream product

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