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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Benzidine

Cas:92-87-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:92-87-5

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

Benzidine

Cas:92-87-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

Benzidine

Cas:92-87-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:off-white solid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Potentially muta

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung, LG, Merck, Thermo Fisher Scientific and so o

92-87-5 Benzidine

Cas:92-87-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

Benzidine

Cas:92-87-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan Fortuna Chemical Co.,Ltd

1.High quality : the purity is 99% min . through multiple producing procedures. 2.Competitive price : low price because of our skilled production technolpgy ,save the production cost at most , and give big profit room to our customers224.Safe and fa

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Dingyan Chem Co., Ltd

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Best quality in your re

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard

factory directly supply CAS 92-87-5 with competitive price

Cas:92-87-5

Min.Order:1 Kilogram

FOB Price: $112.0

Type:Trading Company

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

Benzidine 92-87-5

Cas:92-87-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

HWRK Chem

in storeAppearance:White or light red crystalline powder Package:25g Application:Organic Chemicals

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Bide Pharmatech Ltd

Our mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Other

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

Amadis Chemical offer CAS#92-87-5;CAT#A844372

Cas:92-87-5

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

Benzidine Basic information Product Name: Benzidine Synonyms: (1,1’-Biphenyl)-4,4’-diamine;[1,1’-biphenyl]-4,4’-diamine;[1,1'-Biphenyl]-

CAS:92-87-5 C12H12N2 Benzidine

Cas:92-87-5

Min.Order:500 Gram

Negotiable

Type:Trading Company

inquiry

HuBei Ipure Biotech CO.,ltd

HuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl

Benzidine CAS NO.92-87-5

Cas:92-87-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

Cerametek Materials(ShenZhen)Co., Ltd.

sub/micron to mesh powders (near/spheres, whiskers, flake, fiber, porous) and grain/ball, thin/ thick metal / alloys pieces / parts, thin and thick (particle) film materials /target, and custom-made crystals, substrates/parts. In the industries and a

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Other

inquiry

Hebei Fulong Import & Export Co., Ltd.

Product name:Benzidine Synonyms:(1,1’-Biphenyl)-4,4’-diamine;[1,1’-biphenyl]-4,4’-diamine;[1,1'-Biphenyl]-4,4'-diamine;4,4’-bianiline;4,4’-biphenylenediamine;4,4’-diamino-bipheny;4,4’-diaminodiphenyl;Appearance:crystalline powder Storage:Store at RT

Benzidine

Cas:92-87-5

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

inquiry

Nanjing Norris Pharm Technology Co., Ltd.

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Nanjing Chemlin Chemical Co., Ltd.

please contact us to confirm the required quantity and quote, we will provide you with COA,NMR,HPLC and other relevant information Storage:Store in a cool place. Keep container tightly closed in a dry and well-ventilated place Package:as your needs A

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai AngewChem Co., Ltd.

Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Pure Chemistry Scientific Inc.

Benzidine Application:822674

Benzidine

Cas:92-87-5

Min.Order:1 Gram

FOB Price: $500.0

Type:Trading Company

inquiry

Nanjing Raymon Biotech Co., Ltd.

[1,1'-Biphenyl]-4,4'-diamine Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL or Fedx. Port:Shanghai/Shenzhen

[1,1'-Biphenyl]-4,4'-diamine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Jiangxi shengwei chemical technology co. LTD

Jiangxi Shengwei Chemical Technology Co., Ltd.supplies scientific research products as below:1.High-purity organic chemical reagents;2.Analytical reagents; 3.Biochemical reagents;4.Chemical raw materials;5.Experimental instruments;6.Experimental cons

Benzidine

Cas:92-87-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

4-(4-bromophenyl)bromobenzene
92-86-4

4-(4-bromophenyl)bromobenzene

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With C24H12Cu2F9N4O7; tetrabutylammomium bromide; ammonia; caesium carbonate In water; ethylene glycol at 110 - 140℃; for 16h;100%
With bis(tri-ortho-tolylphosphine)palladium(0); (R)-(-)-1-[(S)-2-(dicyclohexylphosphino)ferrocenyl]ethyl-di-tert-butylphosphine; ammonia; sodium t-butanolate In 1,4-dioxane at 100℃; for 12h; Inert atmosphere;79%
p-aminoiodobenzene
540-37-4

p-aminoiodobenzene

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With magnesium In water at 100℃; for 2h; Sealed tube;96%
With tetrabutylammomium bromide; palladium diacetate; potassium carbonate In water; N,N-dimethyl-formamide Buchwald-Hartwig Coupling;75%
With tetrabutylammonium tetrafluoroborate In acetonitrile at 20℃; for 8h; Electrochemical reaction;38%
4,4'-dinitrobiphenyl
1528-74-1

4,4'-dinitrobiphenyl

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With hydrazine In methanol at 50℃;95%
With sodium tetrahydroborate In ethanol at 24.84℃; for 2h;95%
With hydrazine hydrate In ethanol at 70℃; for 4h; chemoselective reaction;93%
4-chloro-aniline
106-47-8

4-chloro-aniline

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With carbon dioxide; aluminium; 1-butyl-3-methylimidazolium trifluoromethanesulfonimide at 65℃; under 116262 Torr; for 16h; Ullmann reaction;95%
With 4-(3'-butyl-1'-imidazolio)-1-butanesulfonic acid hydrogen sulfate; aluminium In carbon dioxide at 45℃; under 116262 Torr; for 16h; Ullmann reaction; Supercritical conditions;94%
With sulphonic acid functionalized porphyrin meso-substituted triazolium anchored ionic liquid at 20℃; for 16h; Catalytic behavior; Time; Ullmann Condensation; Irradiation;91%
4-bromo-aniline
106-40-1

4-bromo-aniline

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With palladium 10% on activated carbon; potassium acetate; bis(pinacol)diborane In ethanol at 60℃; for 8h; Suzuki-Miyaura Coupling; Inert atmosphere;94.3%
With potassium carbonate In N,N-dimethyl-formamide for 0.75h;90%
With magnesium In water at 100℃; for 3.5h; Sealed tube;85%
4,4'-diiodobiphenyl
3001-15-8

4,4'-diiodobiphenyl

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With copper(l) iodide; tetra(n-butyl)ammonium hydroxide; ammonia In water at 25℃; for 24h; Inert atmosphere; Sealed tube; chemoselective reaction;91%
N4,N4'-bis(diphenylmethylene)biphenyl-4,4'-diamine
1221066-38-1

N4,N4'-bis(diphenylmethylene)biphenyl-4,4'-diamine

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With hydrogenchloride In tetrahydrofuran; water at 20℃; for 2h;82%
para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

A

4-bromo-aniline
106-40-1

4-bromo-aniline

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 70℃; for 4h; chemoselective reaction;A 82%
B 7%
(4-aminophenyl)boronic acid
89415-43-0

(4-aminophenyl)boronic acid

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium carbonate In water; acetone for 3h;80%
diphenyl hydrazine
122-66-7

diphenyl hydrazine

A

2,4'-diaminobiphenyl
492-17-1

2,4'-diaminobiphenyl

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
In ethanol; waterA 30%
B 70%
With hydrogenchloride; lithium chloride In ethanol at 0℃; for 0.5h; Product distribution; kinetic isotope effects; reaction of var. labeled hydrazobenzenes, var. time;A 91.5 mg
B 15.8%
With hydrogenchloride; lithium chloride In ethanol at 0℃; for 0.5h;A 91.5 mg
B 15.8%
para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With L-Cysteine; potassium hydroxide In water; dimethyl sulfoxide at 100℃; for 0.333333h; Green chemistry;70%
Multi-step reaction with 2 steps
1: copper / N,N-dimethyl-formamide / Heating
2: hydrazine; 3% Pd/C / ethanol / Heating
View Scheme
Multi-step reaction with 2 steps
1: copper / N,N-dimethyl-formamide / 12 h / 160 °C
2: hydrazine; 3% Pd/C / ethanol / 12 h / 20 - 100 °C
View Scheme
1,2,3,4-tetrahydroisoquinoline
635-46-1

1,2,3,4-tetrahydroisoquinoline

4-amino-4'-nitrobiphenyl
1211-40-1

4-amino-4'-nitrobiphenyl

A

quinoline
91-22-5

quinoline

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With nickel-nitrogen-doped carbon framework In water at 145℃; for 18h; Inert atmosphere; Sealed tube; Green chemistry;A 68%
B 70%
diphenyl hydrazine
122-66-7

diphenyl hydrazine

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With hydrogenchloride In water for 3h; Reflux;67%
With hydrogenchloride In ethanol at 0℃; for 2.5h; Rearrangement;51%
Thermodynamic data;
Azobenzene
1227476-15-4

Azobenzene

A

aniline
62-53-3

aniline

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With LiCrH4*2LiCl*2THF In tetrahydrofuran at 25℃; for 12h;A 64%
B 31%
With hydrogenchloride; N-benzylthiazolium bromide; benzaldehyde; triethylamine 1) MeOH, r.t., 20 h, 2) MeOH, HCl; Yield given. Multistep reaction. Yields of byproduct given;
p-nitrobenzene iodide
636-98-6

p-nitrobenzene iodide

A

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

B

p-aminoiodobenzene
540-37-4

p-aminoiodobenzene

Conditions
ConditionsYield
With hydrazine hydrate In ethanol at 70℃; for 4h; chemoselective reaction;A 27%
B 55%
4-chlorobenzonitrile
100-00-5

4-chlorobenzonitrile

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With L-Cysteine; potassium hydroxide In water; dimethyl sulfoxide at 100℃; for 0.666667h; Green chemistry;55%
4-bromo-aniline
106-40-1

4-bromo-aniline

A

NH2C6H4ZnBr
301300-48-1

NH2C6H4ZnBr

B

aniline
62-53-3

aniline

C

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With trifluoroacetic acid; cobalt(II) bromide; zinc dibromide In acetonitrile the mixt. in CH3CN was stirred at room temp., then arylbromide was added, stirred at room temp.; GC analysis;A 40%
B 52%
C 0%
nitrobenzene
98-95-3

nitrobenzene

A

aniline
62-53-3

aniline

B

Azobenzene
1227476-15-4

Azobenzene

C

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With lithium aluminium tetrahydride; titanium tetrachloride In diethyl ether at 20℃; for 15h; Solvent; Inert atmosphere;A 48%
B 25%
C 5%
biphenyl
92-52-4

biphenyl

A

1,1'-biphenyl-2,2'-diamine
1454-80-4

1,1'-biphenyl-2,2'-diamine

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With 9,10-Dicyanoanthracene; ammonia In water; acetonitrile for 20h; Irradiation;A 13%
B 43%
4-bromo-2-fluoroaniline
367-24-8

4-bromo-2-fluoroaniline

A

2-fluorobenzidine

2-fluorobenzidine

B

3,3'-difluorobiphenyl-4,4'-diamine
448-97-5

3,3'-difluorobiphenyl-4,4'-diamine

C

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With sodium hydroxide; sodium formate; cetyltrimethylammonim bromide; palladium on activated charcoal In water for 4h; Heating;A 15%
B 33%
C 10%
Stage #1: 4-bromo-2-fluoroaniline With palladium on activated charcoal; sodium formate; cetyltrimethylammonim bromide; sodium hydroxide In water for 4h; Reflux;
Stage #2: With sodium acetate for 20h; Reflux;
bromochlorobenzene
106-39-8

bromochlorobenzene

(adamantane-1,3-diyl)dimethanamine
52234-21-6

(adamantane-1,3-diyl)dimethanamine

A

3-(4-chlorophenylaminomethyl)adamantane-1-carbaldehyde
1287287-13-1

3-(4-chlorophenylaminomethyl)adamantane-1-carbaldehyde

B

4-chloro-N-[3-(4-chlorophenylaminomethyl)adamantan-1-ylmethyl]aniline
1287287-09-5

4-chloro-N-[3-(4-chlorophenylaminomethyl)adamantan-1-ylmethyl]aniline

C

4-chloro-aniline
106-47-8

4-chloro-aniline

D

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; bis(dibenzylideneacetone)-palladium(0); sodium t-butanolate In 1,4-dioxane for 7h; Inert atmosphere; Reflux;A 25%
B 31%
C 18%
D 7%
3-methyl-1,5-diphenyl-4,5-dihydro-1H-pyrazole
2515-46-0

3-methyl-1,5-diphenyl-4,5-dihydro-1H-pyrazole

A

trans-2-styrylindole
29475-88-5

trans-2-styrylindole

B

(E)-benzalacetone
1896-62-4

(E)-benzalacetone

C

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With PPA; Polyphosphoric acid (PPA) at 170℃; for 0.666667h;A 30%
B n/a
C 0.35 g
3-methyl-1,5-diphenyl-4,5-dihydro-1H-pyrazole
2515-46-0

3-methyl-1,5-diphenyl-4,5-dihydro-1H-pyrazole

A

trans-2-styrylindole
29475-88-5

trans-2-styrylindole

B

1-Phenylbut-1-en-3-one
122-57-6

1-Phenylbut-1-en-3-one

C

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With PPA at 130℃; Product distribution; Mechanism; studies of the Fischer indole synthesis;A 25%
B 21%
C 18%
With PPA at 130℃;A 25%
B 21%
C 18%
1.4-dibromobenzene
106-37-6

1.4-dibromobenzene

1,3-bis(aminoethyl)adamantane
51545-05-2

1,3-bis(aminoethyl)adamantane

A

C20H26BrNO

C20H26BrNO

B

C26H33BrN2

C26H33BrN2

C

4-bromo-N-(2-{3-[2-(4-bromophenylamino)ethyl]adamantan-1-yl}ethyl)aniline
1287287-20-0

4-bromo-N-(2-{3-[2-(4-bromophenylamino)ethyl]adamantan-1-yl}ethyl)aniline

D

4-bromo-aniline
106-40-1

4-bromo-aniline

E

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; bis(dibenzylideneacetone)-palladium(0); sodium t-butanolate In 1,4-dioxane for 7h; Inert atmosphere; Reflux;A n/a
B n/a
C 11%
D 7%
E 9%
2-(2-bromophenyl)propanol
7073-69-0

2-(2-bromophenyl)propanol

4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline
214360-73-3

4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)aniline

A

C15H17NO

C15H17NO

B

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate Suzuki Coupling; Inert atmosphere;A 10%
B n/a
tetrahydrofuran
109-99-9

tetrahydrofuran

phenylcalcium iodide
24488-76-4

phenylcalcium iodide

A

biphenyl
92-52-4

biphenyl

B

n-butyl phenyl ether
1126-79-0

n-butyl phenyl ether

C

Azobenzene
1227476-15-4

Azobenzene

D

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With dinitrogen monoxide Ambient temperature; Yield given;A n/a
B n/a
C 6%
D n/a
With dinitrogen monoxide Product distribution; Ambient temperature;A n/a
B n/a
C 6%
D n/a
pyridine
110-86-1

pyridine

4,4'-Bis-(N'-phenyl-hydrazino)-biphenyl
855256-72-3

4,4'-Bis-(N'-phenyl-hydrazino)-biphenyl

acetic acid
64-19-7

acetic acid

A

4,4'-Bis-(phenyl-trans-azo)-biphenyl
120623-26-9

4,4'-Bis-(phenyl-trans-azo)-biphenyl

B

aniline
62-53-3

aniline

C

4'-phenylazo-biphenyl-4-ylamine
1797-23-5

4'-phenylazo-biphenyl-4-ylamine

D

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
unter Kohlendioxid;
p-nitrobenzene iodide
636-98-6

p-nitrobenzene iodide

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

Conditions
ConditionsYield
With potassium hydroxide; hydrazine hydrate; palladium
acetic anhydride
108-24-7

acetic anhydride

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N,N'-Diacetylbenzidin
613-35-4

N,N'-Diacetylbenzidin

Conditions
ConditionsYield
Acetylation;100%
In acetone for 3h;100%
for 0.00277778h; Green chemistry;98%
p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

benzidine dication

benzidine dication

Conditions
ConditionsYield
With ammonium vanadate; sulfuric acid100%
With ammonium cerium(IV) nitrate; sulfuric acid In water
4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N4-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-biphenyl-4,4'-diamine

N4-[1-(4-Chloro-phenyl)-meth-(E)-ylidene]-biphenyl-4,4'-diamine

Conditions
ConditionsYield
for 120h; Ambient temperature;100%
(NCNdipp)3Lu3(μ2-Me)3(μ3-Me)(μ3-CH2)

(NCNdipp)3Lu3(μ2-Me)3(μ3-Me)(μ3-CH2)

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

{(PhC(NC6H3iPr2-2,6)2)3Lu3(μ-Me)3(μ3-Me)}2{μ-η1:η1:η3:η3:η1:η1-N(C6H4)2N}

{(PhC(NC6H3iPr2-2,6)2)3Lu3(μ-Me)3(μ3-Me)}2{μ-η1:η1:η3:η3:η1:η1-N(C6H4)2N}

Conditions
ConditionsYield
In tetrahydrofuran at 20℃; for 48h;100%
2-(2,4-dichlorophenoxy)acetyl chloride
774-74-3

2-(2,4-dichlorophenoxy)acetyl chloride

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

2-(2,4-dichloro-phenoxy)-N-{4'-[2-(2,4-dichloro-phenoxy)-acetylamino]-biphenyl-4-yl}-acetamide

2-(2,4-dichloro-phenoxy)-N-{4'-[2-(2,4-dichloro-phenoxy)-acetylamino]-biphenyl-4-yl}-acetamide

Conditions
ConditionsYield
With sodium hydroxide; PEG-600 In dichloromethane; water at 20℃; for 1h; Acylation;99%
N-(tert-butoxycarbonyl)-D-proline
37784-17-1

N-(tert-butoxycarbonyl)-D-proline

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

(2R,2'R)-di-tert-butyl 2,2'-(([1,1'-biphenyl]-4,4'-diylbis(azanediyl))bis(carbonyl))bis(pyrrolidine-1-carboxylate)

(2R,2'R)-di-tert-butyl 2,2'-(([1,1'-biphenyl]-4,4'-diylbis(azanediyl))bis(carbonyl))bis(pyrrolidine-1-carboxylate)

Conditions
ConditionsYield
With N-(3-dimethylaminopropyl)-N-ethylcarbodiimide In dichloromethane at 20℃; for 2h;99%
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 2h;99%
3-tert-butyl-2-hydroxybenzaldehyde
24623-65-2

3-tert-butyl-2-hydroxybenzaldehyde

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

C34H36N2O2

C34H36N2O2

Conditions
ConditionsYield
With formic acid In methanol at 20℃; for 25h; Reflux;99%
bis(1H-benzo[d][1,2,3]triazol-1-yl)methanethione
4314-19-6

bis(1H-benzo[d][1,2,3]triazol-1-yl)methanethione

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N,N'-bis(benzotriazole-1-thiocarbamoyl)benzidine

N,N'-bis(benzotriazole-1-thiocarbamoyl)benzidine

Conditions
ConditionsYield
In acetonitrile for 0.166667h; Milling; Green chemistry;99%
C9H11ClOSn

C9H11ClOSn

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

C30H30Cl2N2Sn2

C30H30Cl2N2Sn2

Conditions
ConditionsYield
In melt for 0.333333h;99%
benzenesulfonyl chloride
98-09-9

benzenesulfonyl chloride

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N,N'-(biphenyl-4,4'-diyl)dibenzenesulfonamide
52945-06-9

N,N'-(biphenyl-4,4'-diyl)dibenzenesulfonamide

Conditions
ConditionsYield
With pyridine In dichloromethane at 20℃; for 4h; pH=Ca. 8;98%
With pyridine
meta-bromotoluene
591-17-3

meta-bromotoluene

chlorobenzene
108-90-7

chlorobenzene

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

4,4'-bis(m-tolylphenylamino)biphenyl
65181-78-4

4,4'-bis(m-tolylphenylamino)biphenyl

Conditions
ConditionsYield
With chloro[2-(dicyclohexylphosphino)-3 ,6-dimethoxy-2’,4’, 6’-triisopropyl- 1,1’-biphenyl] [2-(2-aminoethyl)phenyl]palladium(II); sodium t-butanolate; ruphos In 1,4-dioxane at 110℃; for 24h; Inert atmosphere;98%
9-chloro-1,2,3,4-tetrahydroacridine
5396-30-5

9-chloro-1,2,3,4-tetrahydroacridine

trifluoroacetic acid
76-05-1

trifluoroacetic acid

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N-(4-{4-[(1,2,3,4-tetrahydroacridin-9-yl)amino]phenyl}phenyl)-1,2,3,4-tetrahydroacridin-9-amine tetra(trifluoroacetic acid)

N-(4-{4-[(1,2,3,4-tetrahydroacridin-9-yl)amino]phenyl}phenyl)-1,2,3,4-tetrahydroacridin-9-amine tetra(trifluoroacetic acid)

Conditions
ConditionsYield
Stage #1: 9-chloro-1,2,3,4-tetrahydroacridine; p,p'-diaminobiphenyl With trichlorophosphate In pentan-1-ol for 40h; Reflux;
Stage #2: trifluoroacetic acid In water
98%
2,3-dihydroxybenzaldehyde
24677-78-9

2,3-dihydroxybenzaldehyde

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

bis-(2,3-dihydroxy-benzylidene)-benzidine

bis-(2,3-dihydroxy-benzylidene)-benzidine

Conditions
ConditionsYield
In methanol97%
With ethanol
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

tert-butyl (4'-amino-[1,1'-biphenyl]-4-yl)carbamate
206182-66-3

tert-butyl (4'-amino-[1,1'-biphenyl]-4-yl)carbamate

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran; water; N,N-dimethyl-formamide at 20℃; for 5h;97%
With sodium carbonate In 1,4-dioxane Ambient temperature;90%
In 1,4-dioxane at 20℃; for 24h; Inert atmosphere;85%
In 1,4-dioxane for 24.5h; Inert atmosphere;85%
In 1,4-dioxane at 20℃; for 25h; Inert atmosphere;85%
p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

naphthalen-2-ylmethyl pyridine-2-carbimidothioate hydrobromide

naphthalen-2-ylmethyl pyridine-2-carbimidothioate hydrobromide

N,N'-([1,1'-biphenyl]-4,4'-diyl)dipicolinimidamide dihydrochloride

N,N'-([1,1'-biphenyl]-4,4'-diyl)dipicolinimidamide dihydrochloride

Conditions
ConditionsYield
Stage #1: p,p'-diaminobiphenyl; naphthalen-2-ylmethyl pyridine-2-carbimidothioate hydrobromide In ethanol; acetonitrile at 20℃; Cooling with ice;
Stage #2: With sodium hydroxide In ethanol at 0℃; pH=Ca. 10;
Stage #3: With hydrogenchloride In ethanol at 0 - 20℃;
97%
1-(benzyloxy)-3-((2,4-difluorobenzyl)carbamoyl)-2-oxo-1,2-dihydro-1,8-naphthyridin-4-yl 4-methylbenzenesulfonate
1613522-41-0

1-(benzyloxy)-3-((2,4-difluorobenzyl)carbamoyl)-2-oxo-1,2-dihydro-1,8-naphthyridin-4-yl 4-methylbenzenesulfonate

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

4-((4'-amino-[1,1'-biphenyl]-4-yl)amino)-1-(benzyloxy)-N-(2,4-difluorobenzyl)-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide
1613522-45-4

4-((4'-amino-[1,1'-biphenyl]-4-yl)amino)-1-(benzyloxy)-N-(2,4-difluorobenzyl)-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 50℃; for 1h;97%
2-(2-chloroacetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile
58125-40-9

2-(2-chloroacetamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

2-((4'-amino-[1,1'-biphenyl]-4-yl)amino)-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)acetamide

2-((4'-amino-[1,1'-biphenyl]-4-yl)amino)-N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)acetamide

Conditions
ConditionsYield
In 1,4-dioxane for 4h; Reflux;97%
C12H8ClN3OS
188047-59-8

C12H8ClN3OS

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

C36H28Cl2N8O2S2
1190107-86-8

C36H28Cl2N8O2S2

Conditions
ConditionsYield
In acetonitrile at 20 - 25℃; for 0.75h; Sonication;96%
4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

tetraethyl (1,4-phenylene bis(azanediyl))bis(p-methoxymethylene)diphosphonate

tetraethyl (1,4-phenylene bis(azanediyl))bis(p-methoxymethylene)diphosphonate

Conditions
ConditionsYield
With 1,10-((ethane-1,2-diylbis(oxy))bis(ethane-2,1-diyl))bis(3-sulfo-1H benzimidazol-3-ium)chloride In neat (no solvent) at 50℃; for 1h; Green chemistry;96%
p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

4,4'-dinitrobiphenyl
1528-74-1

4,4'-dinitrobiphenyl

Conditions
ConditionsYield
With tert.-butylhydroperoxide; potassium iodide In water; acetonitrile at 80℃; for 15h;95%
With tert.-butylhydroperoxide; 3 A molecular sieve; zirconium(IV) tert-butoxide In dichloromethane for 5h; Ambient temperature;90%
With sulfuric acid Diazotization.Behandlung der Diazoniumsalz-Loesung mit NaNO2 und Kupfer(I)-kupfer(II)-sulfit;
4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

4-amino-4'-(p-hydroxy)benzylideneimino-1,1'-biphenyl
132556-90-2

4-amino-4'-(p-hydroxy)benzylideneimino-1,1'-biphenyl

Conditions
ConditionsYield
With toluene-4-sulfonic acid In N,N-dimethyl-formamide at 80℃; for 4h;95%
With piperidine In ethanol Heating;
2-isocyanatobenzoyl chloride
5100-23-2

2-isocyanatobenzoyl chloride

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

3,3'-(4,4'-Biphenylene)bis(2,4-dioxo-1,2,3,4-tetrahydroquinazoline)
131526-24-4

3,3'-(4,4'-Biphenylene)bis(2,4-dioxo-1,2,3,4-tetrahydroquinazoline)

Conditions
ConditionsYield
With triethylamine In toluene 1.) 1 h, 0 deg C, 2.) 1 h, room temperature, 3.) 36 h, reflux;95%
formic acid
64-18-6

formic acid

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N-monoformylbenzidine

N-monoformylbenzidine

Conditions
ConditionsYield
In di-isopropyl ether Heating;95%
chlorobenzene
108-90-7

chlorobenzene

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N,N'-diphenyl-p-phenylenediamine
531-91-9

N,N'-diphenyl-p-phenylenediamine

Conditions
ConditionsYield
With sodium t-butanolate; Ni(0)*2IPr In 1,4-dioxane at 100℃;95%
With palladium diacetate; 2,2'-bis-(diphenylphosphino)-1,1'-binaphthyl; sodium hydroxide In tetrahydrofuran; ethanol; water; toluene; tert-butyl alcohol at 100℃; for 16h; Glovebox; Inert atmosphere; Schlenk technique;116.5 mg
salicylaldehyde
90-02-8

salicylaldehyde

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

4,4'-bis{5-(1-formyl-2-hydroxyphenyl)azo}diphenyl
70952-41-9

4,4'-bis{5-(1-formyl-2-hydroxyphenyl)azo}diphenyl

Conditions
ConditionsYield
Stage #1: p,p'-diaminobiphenyl With hydrogenchloride; sodium nitrite In water Cooling with ice;
Stage #2: salicylaldehyde With sodium hydroxide In water at 0 - 5℃;
95%
Multistep reaction.;76%
9-hydroxyxanthene
90-46-0

9-hydroxyxanthene

p,p'-diaminobiphenyl
92-87-5

p,p'-diaminobiphenyl

N4,N4'-di(9H-xanthen-9-yl)-[1,1'-biphenyl]-4,4’-diamine
1408244-78-9

N4,N4'-di(9H-xanthen-9-yl)-[1,1'-biphenyl]-4,4’-diamine

Conditions
ConditionsYield
With ferric hydrogen sulphate In ethanol for 0.5h; Reflux; regioselective reaction;95%
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