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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Phenol,4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti

2050-16-0

Cas:2050-16-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

4,4'-azobis(phenol) CAS 2050-16-0

Cas:2050-16-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Pharmaceutical Grade CAS 2050-16-0 with competitive price

Cas:2050-16-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

Phenol,4,4'-(1,2-diazenediyl)bis- 2050-16-0

Cas:2050-16-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

4,4'-azobis(phenol) CAS:2050-16-0 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic in

4,4'-azobis(phenol) CAS:2050-16-0

Cas:2050-16-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Phenol,4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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.:2050-16-0

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

Phenol, 4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:4 Kilogram

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

High Quality 4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

4,4'-(1,2-Diazenediyl)bis[phenol]

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

Phenol, 4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

Phenol,4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

high purity Storage:normal temperature Package:DRUM Application:mainly for medical use for R&Dpurpose use only Transportation:AIR,SEA Port:BEIJING,SHANGHAI,TIANJIN,SHENZHEN

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 4,4'-Dihydroxyazobenzene 5g

Cas:2050-16-0

Min.Order:1 bottle

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

4,4'-Dihydroxyazobenzene

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xian Changyue Biological Technology Co., Ltd.

best seller Application:API

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Manufacturers

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

Phenol,4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

4-[(4-hydroxyphenyl)hydrazinylidene]cyclohexa-2,5-dien-1-one

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

DB BIOTECH CO., LTD

best seller Application:API

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

Phenol,4,4'-(1,2-diazenediyl)bis- cas 2050-16-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

Phenol,4,4'-(1,2-diazenediyl)bis- cas 2050-16-0

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

2050-16-0

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hebei Muhuang Technology Co., Ltd

best seller Application:API

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

4,4-azobis(phenol)

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Trading Company

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

4,4’-Dihydroxyazobenzene

Cas:2050-16-0

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

HENAN SUNLAKE ENTERPRISE CORPORATION

4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Qingdao Sigma Chemical Co., Ltd.

Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

High Quality 4,4'-azobis(phenol)

Cas:2050-16-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Trading Company

inquiry

tianjin kailiqi biotechnology co.,ltd

Best quality & Attractive price & Professional service; Kailiqi Biopharma is leading by professional teams for years and is qualified as the superior supplier of Merck, Novartis, Mitsui Chemicals.Kailiqi Biopharma develop produce and distribute hig

Phenol, 4,4'-(1,2-diazenediyl)bis-

Cas:2050-16-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

4-nitro-phenol
100-02-7

4-nitro-phenol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
Stage #1: 4-nitro-phenol In ethanol for 0.0333333h;
Stage #2: With sodium tetrahydroborate In ethanol for 0.666667h; Reflux;
91%
With potassium hydroxide at 210 - 215℃;90%
With 4,4'-di-tert-butylbiphenyl; lithium; iron(II) chloride In tetrahydrofuran for 3.5h; Heating;81%
4-amino-phenol
123-30-8

4-amino-phenol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With cetyl-trimethylammonium dichromate In chloroform for 3h; Heating;85%
Stage #1: 4-amino-phenol With hydrogenchloride In water at 23 - 25℃; for 0.5h;
Stage #2: With sodium nitrite In water at 0℃; for 2h;
Stage #3: With ammonium hydroxide; copper(ll) sulfate pentahydrate; hydroxylamine hydrochloride In water at 0℃;
54%
Stage #1: 4-amino-phenol With hydrogenchloride In water at 20℃; for 0.5h;
Stage #2: With sodium nitrite In water for 3h;
Stage #3: With copper(ll) sulfate pentahydrate; hydroxylamine hydrochloride; ammonia In water
51%
4-amino-phenol
123-30-8

4-amino-phenol

phenol
108-95-2

phenol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
Stage #1: 4-amino-phenol With hydrogenchloride; sodium nitrite In water at 0 - 20℃;
Stage #2: phenol With sodium hydroxide In water at 20℃; for 12h;
70.1%
Stage #1: 4-amino-phenol With hydrogenchloride; sodium nitrite In methanol; water at 0℃;
Stage #2: phenol With potassium hydroxide In methanol; water at 20℃; for 2h;
56.1%
Stage #1: 4-amino-phenol With hydrogenchloride; sodium nitrite In methanol; water at 0℃;
Stage #2: phenol With sodium hydroxide In methanol; water at 20℃; for 2h;
56.1%
methanol
67-56-1

methanol

N,N'-Bis-(4-fluoro-phenyl)-diazene N-oxide
326-04-5, 32213-80-2, 51789-07-2

N,N'-Bis-(4-fluoro-phenyl)-diazene N-oxide

A

5-methoxy-2-phenyl-2H-indazole
120455-03-0

5-methoxy-2-phenyl-2H-indazole

B

5-methoxy-2-(4-methoxyphenyl)-2H-indazole
120455-06-3

5-methoxy-2-(4-methoxyphenyl)-2H-indazole

C

4,4'-dimethoxyazoxybenzene
1562-94-3, 21650-70-4, 51437-65-1

4,4'-dimethoxyazoxybenzene

D

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With N-doped TiO2 In water at 20℃; for 3h; UV-irradiation; Inert atmosphere;A 13%
B 55%
C 11%
D 10%
methanol
67-56-1

methanol

4,4'-bis(chloro)azoxybenzene
614-26-6

4,4'-bis(chloro)azoxybenzene

A

5-methoxy-2-phenyl-2H-indazole
120455-03-0

5-methoxy-2-phenyl-2H-indazole

B

5-methoxy-2-(4-methoxyphenyl)-2H-indazole
120455-06-3

5-methoxy-2-(4-methoxyphenyl)-2H-indazole

C

4,4'-dimethoxyazoxybenzene
1562-94-3, 21650-70-4, 51437-65-1

4,4'-dimethoxyazoxybenzene

D

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With N-doped TiO2 In water at 20℃; for 3h; UV-irradiation; Inert atmosphere;A 15%
B 45%
C 12%
D 10%
methanol
67-56-1

methanol

N,N'-Bis-(4-fluoro-phenyl)-diazene N-oxide
326-04-5, 32213-80-2, 51789-07-2

N,N'-Bis-(4-fluoro-phenyl)-diazene N-oxide

A

5-methoxy-2-phenyl-2H-indazole
120455-03-0

5-methoxy-2-phenyl-2H-indazole

B

5-methoxy-2-(4-methoxyphenyl)-2H-indazole
120455-06-3

5-methoxy-2-(4-methoxyphenyl)-2H-indazole

C

4,4'-dimethoxyazoxybenzene
1562-94-3, 21650-70-4, 51437-65-1

4,4'-dimethoxyazoxybenzene

D

4-hydroxyazobenzene
1689-82-3

4-hydroxyazobenzene

E

4-methoxyazobenzene
2396-60-3

4-methoxyazobenzene

F

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With N-doped TiO2 In water at 20℃; for 3h; sunlight; Inert atmosphere;A 10%
B 44%
C 15%
D 7%
E 6%
F 15%
4-nitro-phenol
100-02-7

4-nitro-phenol

A

4-amino-phenol
123-30-8

4-amino-phenol

B

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C

4,4'-dihydroxyazoxybenzene
15596-57-3, 117823-25-3

4,4'-dihydroxyazoxybenzene

Conditions
ConditionsYield
With hydrazine hydrate; nickel(II) nitrate; zinc In tert-butyl alcohol for 0.833333h; Heating;A 26 % Chromat.
B 8 % Chromat.
C 40%
With hydrazine hydrate; nickel(II) nitrate; zinc In ethanol for 4h; Heating;A 18%
B 17 % Chromat.
C 20%
methanol
67-56-1

methanol

4,4'-bis(chloro)azoxybenzene
614-26-6

4,4'-bis(chloro)azoxybenzene

A

5-methoxy-2-phenyl-2H-indazole
120455-03-0

5-methoxy-2-phenyl-2H-indazole

B

5-methoxy-2-(4-methoxyphenyl)-2H-indazole
120455-06-3

5-methoxy-2-(4-methoxyphenyl)-2H-indazole

C

4-hydroxyazobenzene
1689-82-3

4-hydroxyazobenzene

D

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With N-doped TiO2 In water at 20℃; for 3h; sunlight; Inert atmosphere;A 8%
B 40%
C 7%
D 15%
bis-(4-oxo-cyclohexa-2,5-dienylidene)-hydrazine
20638-42-0

bis-(4-oxo-cyclohexa-2,5-dienylidene)-hydrazine

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With diethyl ether; sulphurous acid
With phenylhydrazine; benzene
p-nitrosophenol
104-91-6

p-nitrosophenol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With potassium hydroxide at 180℃;
bis-(4-methoxymethoxy-phenyl)-diazene

bis-(4-methoxymethoxy-phenyl)-diazene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With hydrogenchloride; ethanol
Azobenzene
1227476-15-4

Azobenzene

A

(bis-4-hydroxyphenyl)-4,4'-diazobiphenyl
4998-22-5

(bis-4-hydroxyphenyl)-4,4'-diazobiphenyl

B

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With sulfuric acid at 10 - 12℃; Electrolysis.Oxydation an einer Platin-Anode;
4-[(4-hydroxy)phenylazo]benzenesulfonic acid
2918-83-4

4-[(4-hydroxy)phenylazo]benzenesulfonic acid

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With potassium hydroxide at 250℃;
4,4'-azo-bis-benzenesulfonic acid
2779-21-7

4,4'-azo-bis-benzenesulfonic acid

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With potassium hydroxide at 250℃;
4,4'-diethoxyazoxybenzene
588-52-3

4,4'-diethoxyazoxybenzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With hydrogenchloride at 180℃;
4-[(4-hydroxy)phenylazo]benzenesulfonic acid
2918-83-4

4-[(4-hydroxy)phenylazo]benzenesulfonic acid

potassium hydroxide

potassium hydroxide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
at 250℃;
hydrogenchloride
7647-01-0

hydrogenchloride

4,4'-diethoxyazoxybenzene
588-52-3

4,4'-diethoxyazoxybenzene

A

chloroethane
75-00-3

chloroethane

B

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
at 130℃;
potassium phenolate
100-67-4

potassium phenolate

1-oxy-benzenediazonium nitrate-(4)

1-oxy-benzenediazonium nitrate-(4)

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With water
4-hydroxyphenyldiazonium chloride
1073-71-8, 50909-74-5

4-hydroxyphenyldiazonium chloride

ammoniacal copper oxide

ammoniacal copper oxide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

hydrogenchloride
7647-01-0

hydrogenchloride

ethanol
64-17-5

ethanol

4-(2-Amino-[1]naphthylazo)-phenol
148692-51-7

4-(2-Amino-[1]naphthylazo)-phenol

A

naphthalen-2-ylamine
91-59-8

naphthalen-2-ylamine

B

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C

phenol
108-95-2

phenol

4,4'-azo-di-phenol; compound with [1,4]benzoquinon-azine

4,4'-azo-di-phenol; compound with [1,4]benzoquinon-azine

sulfur dioxide

sulfur dioxide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-amino-phenol
123-30-8

4-amino-phenol

A

4-nitro-phenol
100-02-7

4-nitro-phenol

B

p-nitrosophenol
104-91-6

p-nitrosophenol

C

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

D

4,4'-dihydroxyazoxybenzene
15596-57-3, 117823-25-3

4,4'-dihydroxyazoxybenzene

Conditions
ConditionsYield
With [(-Ti(H2O)(OH)-O-Ti(H2O)(OH)-O-)*(O*-O-)]n; dihydrogen peroxide In methanol at 25℃; for 0.75h;
4-(4-nitrophenoxy)butanoic acid
28341-54-0

4-(4-nitrophenoxy)butanoic acid

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: benzene
2: aq.-ethanolic sodium acetate / an einer Nickel-Kathode; Behandlung des Reaktionsgemisches mit Luft
3: hydrogen chloride; ethanol
View Scheme
1-(methoxymethoxy)-4-nitrobenzene
880-03-5

1-(methoxymethoxy)-4-nitrobenzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq.-ethanolic sodium acetate / an einer Nickel-Kathode; Behandlung des Reaktionsgemisches mit Luft
2: hydrogen chloride; ethanol
View Scheme
1-ethoxy-4-nitrobenzene
100-29-8

1-ethoxy-4-nitrobenzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: alcohol; potassium hydroxide; zinc / Darstellung
2: hydrochloric acid / 180 °C
View Scheme
4-Hydroxy-4'-methoxyazobenzene
2496-25-5, 103939-79-3

4-Hydroxy-4'-methoxyazobenzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With boron tribromide In dichloromethane
4-nitro-phenol
100-02-7

4-nitro-phenol

A

4-amino-phenol
123-30-8

4-amino-phenol

B

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With cage-bridged Au-Pd dimer at 20℃; Irradiation;
p-bromobenzyl chloride
589-17-3

p-bromobenzyl chloride

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

bis-[4-(4-bromo-benzyloxy)-phenyl]-diazene

bis-[4-(4-bromo-benzyloxy)-phenyl]-diazene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;99%
1-Chloro-4-(chloromethyl)benzene
104-83-6

1-Chloro-4-(chloromethyl)benzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

bis-[4-(4-chloro-benzyloxy)-phenyl]-diazene

bis-[4-(4-chloro-benzyloxy)-phenyl]-diazene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;98%
1-chloromethyl-4-fluorobenzene
352-11-4

1-chloromethyl-4-fluorobenzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

bis-[4-(4-fluoro-benzyloxy)-phenyl]-diazene

bis-[4-(4-fluoro-benzyloxy)-phenyl]-diazene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;97%
4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-amino-phenol
123-30-8

4-amino-phenol

Conditions
ConditionsYield
With zinc In methanol at 25℃; for 0.166667h; Inert atmosphere;96%
With magnesium In methanol at 25℃; for 0.2h; Inert atmosphere;95%
With sodium dithionite; water In dimethyl sulfoxide at 20℃; pH=7.4; Kinetics; phosphate buffer;
With hydrogenchloride; tin(ll) chloride
With sodium hydroxide; zinc
4-Methylbenzyl chloride
104-82-5

4-Methylbenzyl chloride

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C28H26N2O2
41005-19-0

C28H26N2O2

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;96%
1,3-dimethyl 5-(bromomethyl)benzene-1,3-dicarboxylate
42268-88-2

1,3-dimethyl 5-(bromomethyl)benzene-1,3-dicarboxylate

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

tetramethyl 5,5’-(((diazene-1,2-diylbis(4,1-phenylene))bis(oxy))bis(methylene))diisophthalate

tetramethyl 5,5’-(((diazene-1,2-diylbis(4,1-phenylene))bis(oxy))bis(methylene))diisophthalate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 10h;96%
With potassium carbonate In N,N-dimethyl-formamide at 60℃; for 8h;
1-chloro-2-(chloromethyl)benzene
611-19-8

1-chloro-2-(chloromethyl)benzene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

bis-[4-(2-chloro-benzyloxy)-phenyl]-diazene

bis-[4-(2-chloro-benzyloxy)-phenyl]-diazene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;95%
1-Chloromethylnaphthalene
86-52-2

1-Chloromethylnaphthalene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4,4'-bis(1-naphthyl)methoxyazobenzene

4,4'-bis(1-naphthyl)methoxyazobenzene

Conditions
ConditionsYield
With potassium hydroxide; Aliquat 336 for 3h; Heating;93%
4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

<3,3',5,5'-(2)H4>-4,4'-dihydroxyazobenzene
86412-28-4

<3,3',5,5'-(2)H4>-4,4'-dihydroxyazobenzene

Conditions
ConditionsYield
With water-d2; triethylamine at 160℃; for 48h;90%
benzyl alcohol
100-51-6

benzyl alcohol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-(benzylamino)phenol
103-14-0

4-(benzylamino)phenol

Conditions
ConditionsYield
With 2 wtpercent of Pd on TiO2 In water at 29.84℃; for 8h; UV-irradiation; Inert atmosphere;90%
p-Xylylene dichloride
623-25-6

p-Xylylene dichloride

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C28H20Cl2N2O4

C28H20Cl2N2O4

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 25h;88%
9,1-bis(chloromethyl)anthracene
10387-13-0

9,1-bis(chloromethyl)anthracene

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C112H81ClN8O8

C112H81ClN8O8

Conditions
ConditionsYield
With potassium carbonate In ethanol for 5h; Heating;87%
1-Bromooctadecane
112-89-0

1-Bromooctadecane

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-hydroxy-4'(4-octadecyloxy)diazobenzene
55385-04-1

4-hydroxy-4'(4-octadecyloxy)diazobenzene

Conditions
ConditionsYield
With potassium hydroxide In cyclohexanol for 3h; Heating;84.5%
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 12h;57%
6-chloro-1-hexanol
2009-83-8

6-chloro-1-hexanol

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4,4’-bis(6-hydroxyhexyloxy)azobenzene

4,4’-bis(6-hydroxyhexyloxy)azobenzene

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide for 12h; Reflux; Inert atmosphere;82.4%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide for 24h; Inert atmosphere; Reflux;80.5%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 120℃; for 20h;46%
With potassium hydroxide; potassium iodide In ethanol; water for 50h; Heating;41%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 90℃; for 12h;
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-N-tert-butoxycarbonylaminophenol
54840-15-2

4-N-tert-butoxycarbonylaminophenol

Conditions
ConditionsYield
With polymethylhydrosiloxane; palladium on activated charcoal In ethanol at 20℃; for 5h;80%
4-bromoethylbutanoate
2969-81-5

4-bromoethylbutanoate

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

ethyl 4-{4-[4-(3-carboethoxypropoxy)phenylazo]phenoxy}butyrate
1280725-24-7

ethyl 4-{4-[4-(3-carboethoxypropoxy)phenylazo]phenoxy}butyrate

Conditions
ConditionsYield
With potassium carbonate In acetone Reflux; Inert atmosphere;80%
4-bromomethyl pyridine hydrobromide
73870-24-3

4-bromomethyl pyridine hydrobromide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C24H20N4O2

C24H20N4O2

Conditions
ConditionsYield
With potassium carbonate In acetone for 80h; Reflux; Inert atmosphere;78%
1,5-dibromo-pentane
111-24-0

1,5-dibromo-pentane

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

Bis-[4-(5-bromo-pentyloxy)-phenyl]-diazene
948040-78-6

Bis-[4-(5-bromo-pentyloxy)-phenyl]-diazene

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 24h;76.9%
With sodium hydroxide In ethanol Heating;17%
With potassium carbonate In acetonitrile Microwave irradiation;
potassium tetrachloropalladate(II)
10025-98-6

potassium tetrachloropalladate(II)

water
7732-18-5

water

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

[((4,4'-bis(hydroxy)-azobenzene)(-H))Pd(μ-Cl)]2*3H2O

[((4,4'-bis(hydroxy)-azobenzene)(-H))Pd(μ-Cl)]2*3H2O

Conditions
ConditionsYield
In 1,4-dioxane; water dissolving of nitrogen compd. and palladiun compd. in dioxane/water (1:1), stirring at room temp. for one week; concn. under vacuum, isolation of ppt., washing with ethanol and diethylether, drying under vacuum, elem. anal.;76%
toluene-4-sulfonic acid 3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-propyl ester

toluene-4-sulfonic acid 3-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxy}-2-{2-[2-(2-methoxy-ethoxy)-ethoxy]-ethoxymethyl}-propyl ester

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C30H46N2O10

C30H46N2O10

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 14h; Inert atmosphere;76%
chloroacetic acid
79-11-8

chloroacetic acid

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4,4'-bis(carboxymethoxy)azobenzene
97788-42-6

4,4'-bis(carboxymethoxy)azobenzene

Conditions
ConditionsYield
With sodium hydroxide73%
N-(chloromethyl)phthalimide
17564-64-6

N-(chloromethyl)phthalimide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C30H20N4O6

C30H20N4O6

Conditions
ConditionsYield
With potassium carbonate In ethanol for 0.166667h; Heating;70%
4-oxo-4-((2-(prop-2-yn-1-yl)pent-4-yn-1-yl)oxy)butanoic acid

4-oxo-4-((2-(prop-2-yn-1-yl)pent-4-yn-1-yl)oxy)butanoic acid

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C36H34N2O8

C36H34N2O8

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 96h; Inert atmosphere; Cooling with ice; Schlenk technique;70%
1-dodecylbromide
143-15-7

1-dodecylbromide

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

4-<(4-(dodecyloxy)phenyl)azo>phenol
87102-54-3

4-<(4-(dodecyloxy)phenyl)azo>phenol

Conditions
ConditionsYield
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 80℃; for 10h;69.5%
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 12h;53%
With potassium carbonate In acetone for 6h; Reflux;30%
With potassium hydroxide In ethanol at 50℃; for 24h;
1,12-dibromododecane
3344-70-5

1,12-dibromododecane

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C36H56O2N2Br2

C36H56O2N2Br2

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide for 24h;68.5%
2,3,4,6-tetra-O-acetyl-D-glucopyranosyl 1-(N-phenyl)-2,2,2-trifluoroacetimidate
942428-83-3

2,3,4,6-tetra-O-acetyl-D-glucopyranosyl 1-(N-phenyl)-2,2,2-trifluoroacetimidate

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C40H46N2O20

C40H46N2O20

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In acetonitrile at 20℃; Molecular sieve;68%
C31H56O5S

C31H56O5S

4,4'-dihydroxyazobenzene
2050-16-0

4,4'-dihydroxyazobenzene

C36H58N2O4

C36H58N2O4

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 90℃; for 14h; Inert atmosphere;67%

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