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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone Manufacturer/High quality/Best price/In stock

Cas:7545-50-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS 7545-50-8 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermedi

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS 7545-50-8 with factory price

Cas:7545-50-8

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developm

High quality 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone CAS NO.7545-50-8

Cas:7545-50-8

Min.Order:1 Kilogram

FOB Price: $1.0 / 3.0

Type:Trading Company

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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

Bis-(3-amino-4-hydroxyphenyl)-sulfone

Cas:7545-50-8

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone Basic information Product Name: 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone Synonyms: BIS(3-AMINO-4-HYDROXYPHENYL) SULFONE;BIO

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

Cas:7545-50-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS 7545-50-8

Cas:7545-50-8

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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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

Wholesale price CAS 7545-50-8 with best price

Cas:7545-50-8

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Factory Supply High Quality CAS 7545-50-8 ,4,4'-Sulfonylbis(2-aminophenol)

Cas:7545-50-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS NO 7545-50-8

Cas:7545-50-8

Min.Order:1 Kilogram

Negotiable

Type:Other

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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'-sulfonylbis[2-amino- 7545-50-8

Cas:7545-50-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone A CAS 7545-50-8

Cas:7545-50-8

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS:7545-50-8 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializin

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS:7545-50-8

Cas:7545-50-8

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'-sulfonylbis[2-amino-

Cas:7545-50-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

hot sale 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone CAS NO.7545-50-8

Cas:7545-50-8

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

Cas:7545-50-8

Min.Order:1 Kilogram

FOB Price: $600.0 / 700.0

Type:Lab/Research institutions

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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

Phenol,4,4'-sulfonylbis[2-amino-

Cas:7545-50-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone Synonyms: BIS(3-AMINO-4-HYDROXYPHENYL) SULFONE;BIO-FARMA BF003087;3,3'-DIAMINO-4,4'-DIHYDROXYDIPHENYL SULFONE;4,4'-sulphonylbis[2-aminophenol];2-Amino-4-[(3-amino-4-hyd

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone manufactory best quality

Cas:7545-50-8

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

Appearance:white or yellowish white flaky crystal Storage:Keep the sun from direct sunlight ;prevention against high temperature Package:As customer request Application:Used for research and industrial manufacture. Transportatio

7545-50-8

Cas:7545-50-8

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

Bis(3-amino-4-hydroxyphenyl) Sulfone 7545-50-8

Cas:7545-50-8

Min.Order:100 Gram

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

1# vulcanizing agent

Cas:7545-50-8

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

3,3'-DIAMINO-4,4'-DIHYDROXYDIPHENYL SULFONE

Cas:7545-50-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

Appearance/Colour:Baby pink powder Melting Point:231 °C Boiling Point:596.9 °C at 760 mmHg PKA:6.62±0.20(Predicted) Flash Point:314.8 °C PSA:135.02000 Density:1.564 g/cm3 LogP:3.33820 Storage Temp.:Keep in dark pl

7545-50-8 3,3'-Diamino-4,4'-dihydroxydiphenyl Sulfone

Cas:7545-50-8

Min.Order:1 Gram

FOB Price: $6.0

Type:Trading Company

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 4,4'-sulphonylbis[2-aminophenol]

Cas:7545-50-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

Phenol,4,4'-sulfonylbis[2-amino-

Cas:7545-50-8

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

High quality 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Cas:7545-50-8

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

1# vulcanizing agent

Cas:7545-50-8

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: Bis(3-Amino-4-Hydroxyphenyl)Sulfone CAS No.:7545-50-8 Molecule Formula:N/A Molecule Weight:N/A Purity: 99% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality Bis(3-Amino-4-Hydroxyphenyl)Sulfone in stock

Cas:7545-50-8

Min.Order:1 Kilogram

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,

3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

Cas:7545-50-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Top Purity 3,3'-Diamino-4,4'-dihydroxydiphenyl sulfone

Cas:7545-50-8

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Henan Kanbei Chemical Co.,LTD

High quality, competitive price, fast delivery and first-class service we possesses have won the trust and praise of customers. Standard: BP/USP/EP The purity is equal or greater than 99%. As a supplier, we can provide high-quality products. Cle

Bis(3-amino-4-hydroxyphenyl)Sulfone; 3,3'-Diamino-4,4'-dihydroxydiphenylsulfone

Cas:7545-50-8

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Synthetic route

3,3'-dibromo-4,4'-dihydroxydiphenyl sulfone
56486-79-4

3,3'-dibromo-4,4'-dihydroxydiphenyl sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
With ammonium hydroxide In 1-methyl-pyrrolidin-2-one at 150℃; Solvent; Temperature;98%
3,3'-dinitro-4,4'-dihydroxydiphenylsulfone
7149-20-4

3,3'-dinitro-4,4'-dihydroxydiphenylsulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
With palladium 10% on activated carbon; hydrazine hydrate In 1,4-dioxane; ethanol at 95℃; for 24h; Inert atmosphere;94%
With iron; ammonium chloride In water at 50℃; Concentration; Temperature; Large scale;93%
With palladium on activated charcoal; ethanol Hydrogenation;
4,4'-sulfonediphenol
80-09-1

4,4'-sulfonediphenol

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aqueous H2SO4; HNO3
2: Na2S2O4; aqueous NH3
View Scheme
bis[3-methyl-4-hydroxyphenyl]sulfone
16346-97-7

bis[3-methyl-4-hydroxyphenyl]sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: KMnO4; aqueous NaOH
2: aqueous H2SO4; HNO3
3: Na2S2O4; aqueous NH3
View Scheme
ortho-cresol
95-48-7

ortho-cresol

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: H2SO4 / 180 °C / unter vermindertem Druck
2: KMnO4; aqueous NaOH
3: aqueous H2SO4; HNO3
4: Na2S2O4; aqueous NH3
View Scheme
Multi-step reaction with 4 steps
1: H2SO4 / 180 °C / unter vermindertem Druck
2: KMnO4; aqueous NaOH
3: aqueous H2SO4; HNO3
4: Na2S2O4; aqueous NH3
View Scheme
salicylic acid
69-72-7

salicylic acid

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: H2SO4 / 200 °C / unter vermindertem Druck
2: aqueous H2SO4; HNO3
3: Na2S2O4; aqueous NH3
View Scheme
4,4'-dibromodiphenyl sulfone
2050-48-8

4,4'-dibromodiphenyl sulfone

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: sulfuric acid; potassium nitrate / 3 h / 80 °C
2: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
3: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
4,4'-sulfonylbis(1-bromo-2-nitrobenzene)
75853-45-1

4,4'-sulfonylbis(1-bromo-2-nitrobenzene)

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
2: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
bromobenzene
108-86-1

bromobenzene

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: trifluorormethanesulfonic acid; dipotassium peroxodisulfate; tetra(n-butyl)ammonium hydrogensulfate; trifluoroacetic anhydride / 1,2-dichloro-ethane / 8 h / 85 °C / Sealed tube
2: sulfuric acid; potassium nitrate / 3 h / 80 °C
3: sodium hydroxide / dimethyl sulfoxide; water / 2 h / 50 °C
4: palladium 10% on activated carbon; hydrazine hydrate / ethanol; 1,4-dioxane / 24 h / 95 °C / Inert atmosphere
View Scheme
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

salicylaldehyde
90-02-8

salicylaldehyde

4,4'-sulfonylbis(2-(-2-hydroxybenzylideneamino)phenol)

4,4'-sulfonylbis(2-(-2-hydroxybenzylideneamino)phenol)

Conditions
ConditionsYield
Stage #1: 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone; salicylaldehyde In methanol for 0.5h;
Stage #2: In methanol for 6h; Reflux;
83%
4-Nitrophthalonitrile
31643-49-9

4-Nitrophthalonitrile

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C28H16N6O4S

C28H16N6O4S

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 85℃; for 5h;82%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl cyanoacetimidate hydrochloride
55244-11-6

ethyl cyanoacetimidate hydrochloride

C18H10N4O4S

C18H10N4O4S

Conditions
ConditionsYield
In methanol at 5℃; for 9h;77%
8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

8,8'-((1E,1'E)-((sulfonylbis(6-hydroxy-3,1-phenylene))bis(azanylylidene))bis(methanylylidene))bis(7-hydroxy-2H-chromen-2-one)

8,8'-((1E,1'E)-((sulfonylbis(6-hydroxy-3,1-phenylene))bis(azanylylidene))bis(methanylylidene))bis(7-hydroxy-2H-chromen-2-one)

Conditions
ConditionsYield
In ethanol for 6h; Reflux;76%
8-formyl-7-hydroxycoumarin
2067-86-9

8-formyl-7-hydroxycoumarin

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C32H22N2O10S

C32H22N2O10S

Conditions
ConditionsYield
In ethanol for 8h; Reflux;70%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

2-(4-(dibutylamino)phenyl)-6-hydroxybenzofuran-5-carbaldehyde

2-(4-(dibutylamino)phenyl)-6-hydroxybenzofuran-5-carbaldehyde

C58H58N4O8S

C58H58N4O8S

Conditions
ConditionsYield
With potassium cyanide; phenylboronic acid In methanol at 20℃; Inert atmosphere;25%
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

Os(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)(OH)2

Os(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)(OH)2

Conditions
ConditionsYield
With osmium compound
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

{OsO2(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)}Cl2

{OsO2(3,3'-diamino-4,4'-dihydroxydiphenylsulphone)}Cl2

Conditions
ConditionsYield
With osmium compound
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

neodymium(III) acetate
6192-13-8

neodymium(III) acetate

2Nd(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Nd2(C12H10N2O4S)3*4H2O

2Nd(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Nd2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

samarium(III) acetate
10465-27-7

samarium(III) acetate

2Sm(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Sm2(C12H10N2O4S)3*4H2O

2Sm(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Sm2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

praseodymium(3+) acetate
6192-12-7

praseodymium(3+) acetate

2Pr(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Pr2(C12H10N2O4S)3*4H2O

2Pr(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Pr2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

2Ce(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Ce2(C12H10N2O4S)3*4H2O

2Ce(3+)*3SO2(C6H3(NH2)O)2(2-)*4H2O=Ce2(C12H10N2O4S)3*4H2O

Conditions
ConditionsYield
With sodium hydroxide In ethanol; water ethanolic soln. of the ligand, aqueous soln. of rare earth(III) acetate; mixing; adjusting pH to 7.0-8.5 (NaOH); crystn.;
5-norbornene-2,3-dicarboxylic anhydride
826-62-0, 85081-15-8, 85081-16-9

5-norbornene-2,3-dicarboxylic anhydride

oxybis(benzoic acid)
2215-89-6

oxybis(benzoic acid)

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

PA-3

PA-3

Conditions
ConditionsYield
Stage #1: oxybis(benzoic acid); 3,3'-diamino-4,4'-dihydroxydiphenyl sulfone With benzotriazol-1-ol In 1-methyl-pyrrolidin-2-one
Stage #2: 5-norbornene-2,3-dicarboxylic anhydride In 1-methyl-pyrrolidin-2-one Product distribution / selectivity;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl 3-ethoxy-3-iminopropanoate hydrochloride
2318-25-4

ethyl 3-ethoxy-3-iminopropanoate hydrochloride

C22H20N2O8S

C22H20N2O8S

Conditions
ConditionsYield
In methanol at 10 - 60℃; for 55h;
In methanol at 60℃; for 55h;
In methanol at 10 - 60℃; for 55h;
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C64H66N4O8S

C64H66N4O8S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 19 h / 100 °C / Inert atmosphere
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 60 °C
2: piperidine / toluene / 19 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 19 h / 100 °C / Inert atmosphere
View Scheme
3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

C64H50N4O8S

C64H50N4O8S

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: methanol / 55 h / 10 - 60 °C
2: piperidine / toluene / 6 h / 105 °C
View Scheme
Multi-step reaction with 2 steps
1: methanol / 55 h / 60 °C
2: piperidine / toluene / 6 h / 105 °C
View Scheme
4-(Diethylamino)salicylaldehyde
17754-90-4

4-(Diethylamino)salicylaldehyde

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone
7545-50-8

3,3'-diamino-4,4'-dihydroxydiphenyl sulfone

ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

C40H34N4O8S

C40H34N4O8S

Conditions
ConditionsYield
With benzoic acid In pentan-1-ol at 120℃; for 15h;
With benzoic acid In pentan-1-ol at 120℃; for 15h;

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