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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for t

High purity 4,4'-Diaminodiphenylsulfone 99% TOP1 supplier in China

Cas:80-08-0

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 4,4'-Diaminodiphenylsulfone supplier in China

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Shengmao Corp

Molecular Formula:C12H12N2O2S Molecular Weight:248.30 Melting point 173-178 oC Water solubility <0.1 g/100 mL at 20 oC Appearance:white crystalline powder Application:80-08-0

4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White or off-white crystalline powder Complies Melting Point 175

High purity Various Specifications 4-Aminophenyl sulfone CAS:80-08-0

Cas:80-08-0

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

inquiry

Kono Chem Co.,Ltd

4,4'-Diaminodiphenylsulfone 1.CAS:80-08-0 2.Purity:99.5% 3.Package:25kg/drum 4.Best quality and competitive price Item Specifications

CAS:80-08-0 4,4'-Diaminodiphenylsulfone factory sales

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Hefei TNJ chemical industry co.,ltd

Identification: Chemical Name: 4,4'-Diamino Diphenyl Sulphone Other Name: Dapsone;DDS;4-Amino phenyl sulphone

Good quality 4,4'-Diaminodiphenylsulfone//80-08-0

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

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 Dapsone

Cas:80-08-0

Min.Order:1

Negotiable

Type:Other

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% 4,4'-Diaminodiphenylsulfone 80-08-0 GMP Manufacturer

Cas:80-08-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

4,4'-Diaminodiphenylsulfone Manufacturer Factory CAS 80-08-0 4,4'-Diaminodiphenylsulfone Manufacturer High quality Best price In stock factory CAS 80-08-0 4,4'-Diaminodiphenylsulfone COA TDS price MSDS Name 4,4'-Diaminod

4,4'-Diaminodiphenylsulfone Manufacturer Factory CAS 80-08-0

Cas:80-08-0

Min.Order:5 Kiloliter

FOB Price: $3.5 / 5.0

Type:Manufacturers

inquiry

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

4,4'-Diaminodiphenylsulfone CAS NO.80-08-0

Cas:80-08-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1, High quality with competitive price: 1) Standard:BP/USP/EP/Enterprise standard 2) All Purity≥99% 3) We are manufacturer and can provide high quality products with factory price. 2, Fast and safe delivery 1) Parcel can be

4,4'-Diaminodiphenylsulfone cas 80-08-0

Cas:80-08-0

Min.Order:1 Gram

FOB Price: $8.0 / 18.0

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company

TIANFU-CHEM - 4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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 80-08-0 with competitive price

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

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

4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Identification: Chemical Name: 4,4'-Diamino Diphenyl Sulphone Other Name: Dapsone;DDS;4-Amino phenyl sulphone

4-Aminophenyl sulfone 99% ,80-08-0

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High quality gua

High Purity Raw Material 4,4'-Diaminodiphenylsulfone CAS 80-08-0.

Cas:80-08-0

Min.Order:10 Gram

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:Off-white crystalline solid Storage:R.T Package:25kg/drum Application:It is used as gas chromatography stationary liquid, organic synthesis intermediate and epoxy resin curing agent Transportation:Express/Sea/Air Port:Any port in China

Factory price high quality 4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Shanghai Upbio Tech Co.,Ltd

Hot Sale 80-08-0 Good Supplier In China 4,4'-Diaminodiphenylsulfone Dapsone is an anti-inflammatory, antimalarial, and antibacterial compound. In vivo, dapsone (34 μg/animal per day) reduces epidermal hyperproliferation and epithelial thickne

Hot Sale 80-08-0 80-08-0 Good Supplier In China 80-08-0 4,4'-Diaminodiphenylsulfone

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $10.0

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

1.High purity, like 99%, 99.9%, 99.95%, 99.99% 2.Quality control, test sample before shipping and keep sample for 3 years after shipping; 3. Prompt shipment with professional documents; 4. Packing as your request, with photo before shipment; 5.

dapsone

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present

4,4'-Diaminodiphenylsulfone with CAS:80-08-0

Cas:80-08-0

Min.Order:1 Kilogram

FOB Price: $73.0 / 98.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

4,4'-Diaminodiphenylsulfone CAS:80-08-0 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 orga

4,4'-Diaminodiphenylsulfone CAS:80-08-0

Cas:80-08-0

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

Sulphadione

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

supply Hebei Jianxin 4 4 diamino diphenyl sulphone CAS NO.80-08-0

Cas:80-08-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 80-08-0 4,4'-Diaminodiphenylsulfone

Cas:80-08-0

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.:80-08-0

Cas:80-08-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biotechnology Co., Ltd,Our business covers more than 30 countries, most of the big customers come from Europe, America and other countries in the world, we can guarantee the quality and price. In recent decades, with the efforts of all em

4, 4′ -Diaminodiphenylsulfone CAS: 80-08-0

Cas:80-08-0

Min.Order:1 Gram

FOB Price: $25.0

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

Details Product name: 4, 4-Diamino Diphenyl Sulfone CAS:80-08-0 Appearance:white powder. expiration date:24 Months Grade:industrial grade COA of 4, 4-Diamino Diphenyl Sulfone CAS:80-08-0 CERTIFICATE OF ANALYSIS Items:

High purity 99.5% 4, 4-Diamino Diphenyl Sulfone

Cas:80-08-0

Min.Order:100 Kilogram

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

hot sale 4,4'-Diaminodiphenylsulfone /High quality 80-08-0 suppulier

Cas:80-08-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

4-nitrophenyl sulfone
1156-50-9

4-nitrophenyl sulfone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrazine hydrate; nickel In ethanol; 1,2-dichloro-ethane at 28℃; for 9h; Product distribution; other catalysts, other solvents, other reaction conditions;99%
With hydrazine hydrate; nickel In ethanol; 1,2-dichloro-ethane at 28℃; for 8h;98%
With methanol; nickel
4,4'-dibromodiphenyl sulfone
2050-48-8

4,4'-dibromodiphenyl sulfone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With copper(I) oxide; ammonium hydroxide In dimethyl sulfoxide at 90℃; for 20h; Sealed tube;98%
bis-(4-azido-phenyl)-sulfone
7300-27-8

bis-(4-azido-phenyl)-sulfone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With methanol; sodium sulfide for 0.0833333h;95%
4,4'-dichlorodiphenyl sulphone
80-07-9

4,4'-dichlorodiphenyl sulphone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With ammonium chloride In ethanol for 5h; Reflux;91.9%
With ammonia; water; copper; copper(I) bromide at 200℃;
With ammonia; copper(II) sulfate; ethylene glycol at 245℃;
4-amino-4'-nitrodiphenyl sulfide
101-59-7

4-amino-4'-nitrodiphenyl sulfide

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
Stage #1: 4-amino-4'-nitrodiphenyl sulfide With hydrogen; toluene-4-sulfonic acid; palladium 10% on activated carbon In methanol; water at 50℃; under 3750.38 Torr;
Stage #2: With ammonia In water Product distribution / selectivity;
82%
Stage #1: 4-amino-4'-nitrodiphenyl sulfide With methanesulfonic acid; hydrogen; 5%-palladium/activated carbon In methanol; water at 50℃; under 3000.3 Torr; for 4h;
Stage #2: With ammonia In water at 50℃; Product distribution / selectivity;
80%
Multi-step reaction with 4 steps
1: tin; aqueous hydrochloric acid / Hydrogenation
2: acetic acid
3: potassium dichromate; aqueous sulfuric acid; acetic acid
4: aqueous hydrochloric acid
View Scheme
Multi-step reaction with 4 steps
1: sulfur; sodium sulfide nonahydrate / 130 - 135 °C / Hydrogenation
2: ethanol / 40 °C
3: sodium dichromate; aqueous sulfuric acid
4: aqueous hydrochloric acid
View Scheme
acedapsone
77-46-3

acedapsone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrogenchloride for 2.5h; Heating;80%
Stage #1: acedapsone With hydrogenchloride In water for 1h; Reflux;
Stage #2: With pyrographite In water for 1h; Reflux;
65%
With hydrogenchloride
4,4'-dichlorodiphenyl sulphone
80-07-9

4,4'-dichlorodiphenyl sulphone

A

4-(4-chloro-benzenesulfonyl)-aniline
7146-68-1

4-(4-chloro-benzenesulfonyl)-aniline

B

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With para-dinitrobenzene; ammonium hydroxide In water at 250℃; for 3h; autoclave;A 20.5%
B 78%
With para-dinitrobenzene; ammonium hydroxide In water at 250℃; for 3h; Product distribution; Mechanism; various radical-ion inhibitors;A 20.5%
B 78%
With ammonium hydroxide; 1,3,5-trinitrobenzene In water at 250℃; for 3h; autoclave;A 25%
B 73.5%
With ethanol; ammonia; copper(II) sulfate at 200℃;
4,4'-thiobisaniline
139-65-1

4,4'-thiobisaniline

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With dihydrogen peroxide In water; acetonitrile at 50℃; for 3h; chemoselective reaction;71%
Multi-step reaction with 3 steps
1: acetic acid
2: potassium dichromate; aqueous sulfuric acid; acetic acid
3: aqueous hydrochloric acid
View Scheme
Multi-step reaction with 3 steps
1: acetic acid
2: acetic acid / 40 °C
3: aqueous hydrochloric acid
View Scheme
4-bromo-aniline
106-40-1

4-bromo-aniline

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With potassium pyrosulfite; palladium diacetate; N-ethyl-N,N-diisopropylamine; tri tert-butylphosphoniumtetrafluoroborate In N,N-dimethyl-formamide at 100℃; for 20h; Inert atmosphere;58%
p-aminoiodobenzene
540-37-4

p-aminoiodobenzene

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With potassium pyrosulfite; palladium diacetate; N-ethyl-N,N-diisopropylamine; tri tert-butylphosphoniumtetrafluoroborate In N,N-dimethyl-formamide at 100℃; for 20h; Inert atmosphere;46%
4,4'-sulfinyldianiline
119-59-5

4,4'-sulfinyldianiline

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With potassium permanganate; acetic acid; acetone Reagens 4: Kupfer(II)-sulfat;
Multi-step reaction with 3 steps
1: acetic acid
2: potassium permanganate; aqueous acetic acid / bei Siedetemperatur
3: aqueous hydrochloric acid
View Scheme
4,4'-sulfonediphenol
80-09-1

4,4'-sulfonediphenol

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With diammine zinc-chloride; ammonia at 200℃;
4-(4-nitrophenylsulfonyl)aniline
1948-92-1

4-(4-nitrophenylsulfonyl)aniline

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride
monoacetyldapsone
565-20-8

monoacetyldapsone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrogenchloride
With hydrogenchloride
With hydrogenchloride
acetic acid-[4-(4-chloro-benzenesulfonyl)-anilide]
6630-10-0

acetic acid-[4-(4-chloro-benzenesulfonyl)-anilide]

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With ammonia; water; copper(l) chloride at 180 - 190℃;
N-[4-(4-Nitro-benzenesulfonyl)-phenyl]-acetamide
1775-37-7

N-[4-(4-Nitro-benzenesulfonyl)-phenyl]-acetamide

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrogenchloride; palladium on activated charcoal Hydrogenation;
With iron at 90 - 95℃; Hydrogenation;
With hydrogenchloride; tin(ll) chloride
4,4'-sulfonyl-di-benzoic acid diamide
14052-63-2

4,4'-sulfonyl-di-benzoic acid diamide

dapsone
80-08-0

dapsone

4-((4-bromophenyl)sulfonyl)aniline
6626-22-8

4-((4-bromophenyl)sulfonyl)aniline

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With ammonia; water; copper at 210 - 220℃;
carbon disulfide
75-15-0

carbon disulfide

methyl chlorosulfate
812-01-1

methyl chlorosulfate

Acetanilid
103-84-4

Acetanilid

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With hydrogenchloride; aluminium trichloride; zinc(II) chloride
ethanol
64-17-5

ethanol

N-furfurylidene-4-(4-nitro-benzenesulfonyl)-aniline
68997-77-3

N-furfurylidene-4-(4-nitro-benzenesulfonyl)-aniline

sodium hydrogensulfite

sodium hydrogensulfite

A

furfural
98-01-1

furfural

B

dapsone
80-08-0

dapsone

4,4'-dichlorodiphenyl sulphone
80-07-9

4,4'-dichlorodiphenyl sulphone

ammonia
7664-41-7

ammonia

copper(II) sulfate
7758-99-8

copper(II) sulfate

ethylene glycol
107-21-1

ethylene glycol

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
at 245℃;
at 245℃;
ethanol
64-17-5

ethanol

4-(4-nitro-benzenesulfonyl)-N-(3-nitro-benzyliden)-aniline
68997-76-2

4-(4-nitro-benzenesulfonyl)-N-(3-nitro-benzyliden)-aniline

sodium dithionite

sodium dithionite

dapsone
80-08-0

dapsone

ethanol
64-17-5

ethanol

4-(4-nitro-benzenesulfonyl)-N-trans-cinnamyliden-aniline

4-(4-nitro-benzenesulfonyl)-N-trans-cinnamyliden-aniline

sodium dithionite

sodium dithionite

A

3-phenyl-propenal
104-55-2

3-phenyl-propenal

B

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
beim Erwaermen tritt Zersetzung;
bis-[4-(dichlorophosphoryl-amino)-phenyl]-sulfone
856800-21-0

bis-[4-(dichlorophosphoryl-amino)-phenyl]-sulfone

aqueous sodium hydrogencarbonate

aqueous sodium hydrogencarbonate

A

dapsone
80-08-0

dapsone

B

4.4'-bis-<4-amino-benzenesulfonyl>-azoxybenzene

4.4'-bis-<4-amino-benzenesulfonyl>-azoxybenzene

C

C48H45N8O17P3S4(?)

C48H45N8O17P3S4(?)

N-hydroxydapsone
32695-27-5

N-hydroxydapsone

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
With 1,4-dihydronicotinamide adenine dinucleotide; human recombinant NADH cytochrome b5 reductase; cytochrome b5 In dimethyl sulfoxide pH=7.4; Enzyme kinetics; Further Variations:; Reagents;
4,4'-di-N-acetylaminodiphenyl sulfoxide
5423-16-5

4,4'-di-N-acetylaminodiphenyl sulfoxide

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 70 percent / 30 percent H2O2 / acetic acid / Heating
2: 80 percent / 10 percent HCl / 2.5 h / Heating
View Scheme
Multi-step reaction with 2 steps
1: potassium dichromate; aqueous sulfuric acid; acetic acid / 40 - 45 °C
2: aqueous hydrochloric acid
View Scheme
Multi-step reaction with 2 steps
1: aqueous hydrochloric acid
2: acetone; aqueous potassium permanganate; acetic acid / Reagens 4: Kupfer(II)-sulfat
View Scheme
Multi-step reaction with 2 steps
1: potassium permanganate; aqueous acetic acid / bei Siedetemperatur
2: aqueous hydrochloric acid
View Scheme
With sodium molybdate; sodium tungstate; dihydrogen peroxide; acetic acid at 20 - 95℃; for 0.583333h; Temperature;12.4 g
Acetanilid
103-84-4

Acetanilid

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 70 percent / SOCl2; AlCl3 / CS2 / 6 h / Heating
2: 70 percent / 30 percent H2O2 / acetic acid / Heating
3: 80 percent / 10 percent HCl / 2.5 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: aluminium chloride; carbon disulfide; thionyl chloride
2: potassium dichromate; aqueous sulfuric acid; acetic acid / 40 - 45 °C
3: aqueous hydrochloric acid
View Scheme
Multi-step reaction with 2 steps
1: aluminium chloride / 160 °C / beim Eintragen in eine Schmelze
2: aqueous hydrochloric acid
View Scheme
4-acetylamino-4'-nitrodiphenyl sulfide
7467-51-8

4-acetylamino-4'-nitrodiphenyl sulfide

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: KMnO4 / acetic acid
2: Sn/HCl
3: 15percent HCl
View Scheme
Multi-step reaction with 2 steps
1: sodium dichromate
2: iron / 90 - 95 °C / Hydrogenation
View Scheme
Multi-step reaction with 3 steps
1: chromium (VI)-oxide; aqueous acetic acid / 40 - 50 °C
2: amalgamated zinc; aqueous acetic acid; formic acid / Hydrogenation
3: aqueous ethanolic hydrochloric acid
View Scheme
Multi-step reaction with 4 steps
1: chromium (VI)-oxide; aqueous acetic acid / 40 - 50 °C
2: amalgamated zinc; aqueous acetic acid; formic acid / Hydrogenation
3: acetic acid
4: aqueous hydrochloric acid
View Scheme
4-acetamidobenzenesulfinic acid
710-24-7

4-acetamidobenzenesulfinic acid

dapsone
80-08-0

dapsone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: potassium acetate; cyclohexanol
2: iron; aqueous acetic acid / Hydrogenation
3: aqueous hydrochloric acid
View Scheme
Carbonyl fluoride
353-50-4

Carbonyl fluoride

dapsone
80-08-0

dapsone

C14H10F2N2O4S

C14H10F2N2O4S

Conditions
ConditionsYield
In acetone at 20℃; for 3h; Glovebox;100%
In acetone at 20℃; for 3h; Concentration;
formaldehyd
50-00-0

formaldehyd

dapsone
80-08-0

dapsone

Bis<(N,N-dimethylamino)phenyl> sulfone
33871-62-4

Bis<(N,N-dimethylamino)phenyl> sulfone

Conditions
ConditionsYield
With rhodium(III) chloride; Methyl formate; sodium acetate In methanol; water at 160℃; for 24h; Inert atmosphere;99%
With hydrogen; nickel In ethanol under 3102.9 Torr; for 2.5h;80%
ethanol
64-17-5

ethanol

dapsone
80-08-0

dapsone

4,4'-sulfonylbis(N-ethylaniline)

4,4'-sulfonylbis(N-ethylaniline)

Conditions
ConditionsYield
With [((5-Me)PyNPPh2)IrACHTUNGTRENUNG(cod)]; potassium tert-butylate In diethylene glycol dimethyl ether at 70℃; for 48h; Inert atmosphere;98%
4-nitrobenzaldehdye
555-16-8

4-nitrobenzaldehdye

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(4-nitrophenyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(4-nitrophenyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.25h;98%
salicylaldehyde
90-02-8

salicylaldehyde

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(2-hydroxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(2-hydroxyphenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.25h; Reagent/catalyst; Solvent; Temperature;98%
salicylaldehyde
90-02-8

salicylaldehyde

dapsone
80-08-0

dapsone

2,2'-{sulfonylbis[4,1-phenylenenitrilomethylidene]}diphenol
7251-84-5

2,2'-{sulfonylbis[4,1-phenylenenitrilomethylidene]}diphenol

Conditions
ConditionsYield
With toluene-4-sulfonic acid In chloroform for 8h; Reagent/catalyst; Solvent; Inert atmosphere; Reflux;97.1%
In ethanol at 20℃;79.65%
N-(7-amino-1,2-dihydro-5H-cyclopenta[cd]phenalen-5-ylidene)-N-[4-(4-[(7-amino-1,2-dihydro-5H-cyclopenta[cd]phenalen-5-ylidene)amino]phenylsulfonyl)phenyl]amine
904692-00-8

N-(7-amino-1,2-dihydro-5H-cyclopenta[cd]phenalen-5-ylidene)-N-[4-(4-[(7-amino-1,2-dihydro-5H-cyclopenta[cd]phenalen-5-ylidene)amino]phenylsulfonyl)phenyl]amine

dapsone
80-08-0

dapsone

C54H36N4O4S2

C54H36N4O4S2

Conditions
ConditionsYield
In butan-1-ol for 30h; Heating;97%
methanol
67-56-1

methanol

dapsone
80-08-0

dapsone

4,4'-di(methylamino)diphenyl sulfone
7324-96-1

4,4'-di(methylamino)diphenyl sulfone

Conditions
ConditionsYield
With [((5-Me)PyNPPh2)IrACHTUNGTRENUNG(cod)]; potassium tert-butylate In diethylene glycol dimethyl ether at 70℃; for 48h; Inert atmosphere;97%
salicylaldehyde
90-02-8

salicylaldehyde

dapsone
80-08-0

dapsone

5,5'-[4,4'-sulfonylbis(4,1-phenylene)bis(diazene-2,1-diyl)]bis(2-hydroxybenzaldehyde)

5,5'-[4,4'-sulfonylbis(4,1-phenylene)bis(diazene-2,1-diyl)]bis(2-hydroxybenzaldehyde)

Conditions
ConditionsYield
Stage #1: dapsone With 1,3,5-trichloro-2,4,6-triazine; sodium nitrite In water at 20℃; for 0.05h; Sonication;
Stage #2: salicylaldehyde In water for 0.183333h;
97%
dapsone
80-08-0

dapsone

recorcinol
108-46-3

recorcinol

bis-[4-(2,4-dihydroxy-phenylazo)-phenyl]-sulfone
90116-36-2

bis-[4-(2,4-dihydroxy-phenylazo)-phenyl]-sulfone

Conditions
ConditionsYield
Stage #1: dapsone With 1,3,5-trichloro-2,4,6-triazine; sodium nitrite In water at 20℃; for 0.05h; Sonication;
Stage #2: recorcinol In water for 0.183333h;
97%
4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(4-chlorophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(4-chlorophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.25h;97%
salicylaldehyde
90-02-8

salicylaldehyde

dapsone
80-08-0

dapsone

2,2'-{sulfonylbis[(p-phenylene)iminomethyl]}-diphenol
7251-84-5

2,2'-{sulfonylbis[(p-phenylene)iminomethyl]}-diphenol

Conditions
ConditionsYield
With formic acid In methanol Reflux;96%
With piperidine for 2h; Heating;
With ethanol
dapsone
80-08-0

dapsone

bis-(4-azido-phenyl)-sulfone
7300-27-8

bis-(4-azido-phenyl)-sulfone

Conditions
ConditionsYield
Stage #1: dapsone With 1-methyl-2-oxopyrrolidinium hydrogen sulfate In water at 20℃; for 0.0166667h; Grinding;
Stage #2: With sodium nitrite In water at 20℃; Grinding;
Stage #3: With sodium azide In water at 20℃; Grinding;
96%
Stage #1: dapsone With hydrogenchloride; sodium nitrite at 0 - 5℃; for 0.5h;
Stage #2: With sodium azide at 0 - 5℃;
85%
With sulfuric acid Diazotization.Eintragen der Diazoniumsalz-Loesung in eine gekuehlte wss. Loesung von Hydrazin-hydrat und Natriumacetat;
α,β-dibromo-α-methylpropionyl chloride
53089-03-5

α,β-dibromo-α-methylpropionyl chloride

dapsone
80-08-0

dapsone

2,3-Dibromo-N-{4-[4-(2,3-dibromo-2-methyl-propionylamino)-benzenesulfonyl]-phenyl}-2-methyl-propionamide
82820-79-9

2,3-Dibromo-N-{4-[4-(2,3-dibromo-2-methyl-propionylamino)-benzenesulfonyl]-phenyl}-2-methyl-propionamide

Conditions
ConditionsYield
96%
dapsone
80-08-0

dapsone

dapsone-D8
557794-38-4

dapsone-D8

Conditions
ConditionsYield
With water-d2; platinum on carbon; palladium 10% on activated carbon at 180℃; for 24h; Product distribution / selectivity;96%
With water-d2; platinum on carbon at 180℃; for 24h; Product distribution / selectivity;82%
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

dapsone
80-08-0

dapsone

tetraethyl (sulfonylbis{4,1-phenyleneimino[(3-nitrophenyl)methylene]})bis(phosphonate)
1448137-82-3

tetraethyl (sulfonylbis{4,1-phenyleneimino[(3-nitrophenyl)methylene]})bis(phosphonate)

Conditions
ConditionsYield
With CeCl3·7H2O-SiO2 In neat liquid for 0.0666667h; Concentration; Reagent/catalyst; Solvent; Time; Kabachnik-Fields Reaction; Microwave irradiation;96%
4-Carboxybenzaldehyde
619-66-9

4-Carboxybenzaldehyde

dapsone
80-08-0

dapsone

4’4’-bis(4-carboxybenzylidene)diaminodiphenylsulfone

4’4’-bis(4-carboxybenzylidene)diaminodiphenylsulfone

Conditions
ConditionsYield
In methanol at 30℃; for 18h;96%
2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(2-chlorophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(2-chlorophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.416667h;96%
acetic anhydride
108-24-7

acetic anhydride

dapsone
80-08-0

dapsone

acedapsone
77-46-3

acedapsone

Conditions
ConditionsYield
With acetic acid at 60℃; for 5h; Temperature;95%
With ZnAl2O4 nanoparticles at 20℃; for 0.0833333h; Neat (no solvent);92%
With acetic acid
maleic anhydride
108-31-6

maleic anhydride

dapsone
80-08-0

dapsone

4,4'-(diaminodiphenyl sulfone)bismaleimide
13102-25-5

4,4'-(diaminodiphenyl sulfone)bismaleimide

Conditions
ConditionsYield
With sodium acetate; acetic anhydride In acetone at 50℃; for 3h;95%
dapsone
80-08-0

dapsone

sulfonylbis(4,1-phenylene)bis(sulfamic acid)

sulfonylbis(4,1-phenylene)bis(sulfamic acid)

Conditions
ConditionsYield
With hydrogenchloride; chlorosulfonic acid In dichloromethane at 20℃; for 2.33333h; Cooling with ice;95%
dimedone
126-81-8

dimedone

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(4-bromophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(9-(4-bromophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.25h;95%
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(3-nitrophenyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(3-nitrophenyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.333333h;95%
2-hydroxynaphthalene-1-carbaldehyde
708-06-5

2-hydroxynaphthalene-1-carbaldehyde

dapsone
80-08-0

dapsone

1,1'-{sulfonylbis[(1,4-phenylene)iminomethyl]}bis(2-naphthol)
21708-77-0

1,1'-{sulfonylbis[(1,4-phenylene)iminomethyl]}bis(2-naphthol)

Conditions
ConditionsYield
With formic acid In methanol Reflux;94%
With zinc ferrite In water at 100℃; for 1.16667h;82%
With ethanol
With piperidine for 2h; Heating;
C20H18Cl2N2O6

C20H18Cl2N2O6

dapsone
80-08-0

dapsone

C32H30N4O9S

C32H30N4O9S

Conditions
ConditionsYield
With chloro-trimethyl-silane; p-dimethylaminocinnamaldehyde for 0.133333h; Reflux;94%
4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

dimedone
126-81-8

dimedone

dapsone
80-08-0

dapsone

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(p-tolyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

10,10’-(sulfonylbis(4,1-phenylene))bis(3,3,6,6-tetramethyl-9-(p-tolyl)-3,4,6,7,9,10-hexahydroacridine-1,8(2H,5H)-dione)

Conditions
ConditionsYield
With L-proline covalented silicapropyl mediated Fe3O4 nanoparticles In water at 20℃; for 0.333333h;94%
formic acid
64-18-6

formic acid

dapsone
80-08-0

dapsone

N,N'-(4,4'-sulfonylbis(4,1-phenylene))diformamide
6784-25-4

N,N'-(4,4'-sulfonylbis(4,1-phenylene))diformamide

Conditions
ConditionsYield
With Na+-MMT-[pmim]HSO4 In neat (no solvent) at 60℃; for 0.416667h; chemoselective reaction;93%
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