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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 services. DayangChem can provide different quantities of custom synthesis ch

4-Hydrazinobenzenesulfonamide Manufacturer/High quality/Best price/In stock

Cas:4392-54-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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-Hydrazinobenzenesulfonamide Hydrochloride supplier in China

Cas:4392-54-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Henan Allgreen Chemical Co.,Ltd

4-Hydrazinobenzenesulfonamide Basic information Product Name: 4-Hydrazinobenzenesulfonamide Synonyms: CHEMPACIFIC 39937;4-AMINOSULFONYLPHENYLHYDRAZINE;4-HYDRAZINO-B

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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-Hydrazinobenzenesulfonamide Hydrochloride

Cas:4392-54-5

Min.Order:1

Negotiable

Type:Other

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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

4-(Aminosulfonyl)-phenylhydrazine

Cas:4392-54-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

4-Aminosulfonylphenylhydrazine CAS 4392-54-5

Cas:4392-54-5

Min.Order:1 Gram

FOB Price: $6.0 / 9.0

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

Factory direct supply CAS 4392-54-5 with best quality

Cas:4392-54-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Benzenesulfonamide,4-hydrazinyl- 4392-54-5

Cas:4392-54-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

4-Hydrazinobenzenesulfonamide CAS:4392-54-5 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-Hydrazinobenzenesulfonamide CAS:4392-54-5

Cas:4392-54-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

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

Benzenesulfonamide,4-hydrazinyl-

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 4-Hydrazinobenzenesulfonamide Synonyms: Celecoxib EP Impurity E;CHEMPACIFIC 39937;4-AMINOSULFONYLPHENYLHYDRAZINE;4-HYDRAZINO-BENZENSULFONAMIDE;4-HYDRAZINOBENZENESULFONAMIDE;AKOS BBS-00007034;p-hydrazinobenzenesulphonamide;4-Sulfamo

4-Hydrazinobenzenesulfonamide supplier best quality

Cas:4392-54-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

4-Hydrazinobenzenesulfonamide Hydrochloride

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Manufacturers

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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

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

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

Benzenesulfonamide,4-hydrazinyl-

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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-Hydrazinobenzenesulfonamide Hydrochloride

Cas:4392-54-5

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:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr

Benzenesulfonamide,4-hydrazinyl-

Cas:4392-54-5

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 6 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 on.O

4392-54-5 4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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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,

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

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

Factory Supplier4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

Hangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu

Hydrazino

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

FOB Price: $2.0

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

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:1 Kilogram

Negotiable

Type:Other

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

p-hydrazinobenzenesulphonamide

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Other

inquiry

Lonwin Chemical Group Limited

Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is

Best price 4-Hydrazinobenzenesulfonamide Hydrochloride 4392-54-5

Cas:4392-54-5

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

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GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier

4-Sulfamoylphenylhydrazine

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

4-Sulfonamidophenylhydrazine

Cas:4392-54-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

DB BIOTECH CO., LTD

Q1: Are you a manufacturer Answer: Yes, we are factory founded on 2012.Q2: How to contact with us Click "contact supplier" And then send us message the product you interest in, you will get reply within 12 hours.Q3:Which kind of payment terms do you

4-Hydrazinobenzenesulfonamide

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

4-Hydrazinobenzenesulfonamide Hydrochloride

Cas:4392-54-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

4-Sulfamoyl-benzenediazonium
14289-29-3

4-Sulfamoyl-benzenediazonium

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride
With acetic acid; sodium sulfite; zinc
With hydrogenchloride
sulfanilamide
63-74-1

sulfanilamide

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

Conditions
ConditionsYield
With hydrogenchloride; tin(ll) chloride Diazotization;
With sodium sulfite Diazotization;
With hydrogenchloride; sulfuric acid; sodium carbonate; sodium hydrogensulfite; sodium nitrite Multistep reaction;
4-Chlorobenzenesulfonamide
98-64-6

4-Chlorobenzenesulfonamide

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

Conditions
ConditionsYield
With hydrazine In water for 40h; Heating;
4-bromo-benzenesulfonic acid amide
701-34-8

4-bromo-benzenesulfonic acid amide

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

Conditions
ConditionsYield
Stage #1: 4-bromo-benzenesulfonic acid amide With t-butoxycarbonylhydrazine; t-BuBrettPhos; [tBuBrettPhosPd(allyl)]OTf; sodium t-butanolate In water at 45℃; Inert atmosphere;
Stage #2: With sulfuric acid In water for 0.25h; Inert atmosphere; Heating;
ethyl 4,4,4-trifluoroacetoacetate
372-31-6

ethyl 4,4,4-trifluoroacetoacetate

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(5-hydroxy-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide
627094-59-1

4-(5-hydroxy-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
In ethanol for 12h; Reflux;99%
4-methyl-benzoyl chloride
874-60-2

4-methyl-benzoyl chloride

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-[1-(4-methylbenzoyl)hydrazino]benzenesulfonamide hydrochloride

4-[1-(4-methylbenzoyl)hydrazino]benzenesulfonamide hydrochloride

Conditions
ConditionsYield
Stage #1: 4-aminosulfonylphenylhydrazine With acetaldehyde In toluene at 25℃; for 3h; Large scale;
Stage #2: 4-methyl-benzoyl chloride In toluene at 0 - 15℃; for 2.5h; Large scale;
Stage #3: With hydrogenchloride In water; toluene at 0 - 5℃; for 2h; Temperature; Time; Solvent; Large scale;
97.5%
4-fluorobenzaldehyde
459-57-4

4-fluorobenzaldehyde

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-(4-fluorobenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine
911003-82-2

1-(4-fluorobenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Dean-Stark; Heating;96%
4-chlorobenzaldehyde
104-88-1

4-chlorobenzaldehyde

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-(4-chlorobenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine
30303-17-4

1-(4-chlorobenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Dean-Stark; Heating;95%
With acetic acid In methanol for 4h; Reflux;
4,4,4-trifluoro-1-(4-methoxyphenyl)-1,3-butanedione
15191-68-1

4,4,4-trifluoro-1-(4-methoxyphenyl)-1,3-butanedione

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-[5-(4-methoxyphenyl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide
170569-91-2

4-[5-(4-methoxyphenyl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide

Conditions
ConditionsYield
Stage #1: 4,4,4-trifluoro-1-(4-methoxyphenyl)-1,3-butanedione With hydrogenchloride; water In ethanol at 5 - 20℃;
Stage #2: 4-aminosulfonylphenylhydrazine In ethanol for 10h; Reflux;
94.7%
4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

3-[(1H-benzimidazol-2-yl)methyl]pentane-2,4-dione
397869-09-9

3-[(1H-benzimidazol-2-yl)methyl]pentane-2,4-dione

4-[4-(1H-benzoimidazol-2-ylmethyl)-3,5-dimethyl-pyrazol-1-yl]-benzenesulfonamide

4-[4-(1H-benzoimidazol-2-ylmethyl)-3,5-dimethyl-pyrazol-1-yl]-benzenesulfonamide

Conditions
ConditionsYield
With sodium In xylene for 8h; Heating;94%
4-methyl-benzaldehyde
104-87-0

4-methyl-benzaldehyde

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-(4-methylbenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine
473690-53-8

1-(4-methylbenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Dean-Stark; Heating;94%
With acetic acid In methanol for 4h; Reflux;
4-(4-methylphenyl)-1,1,1-trifluorobut-3-yn-2-one

4-(4-methylphenyl)-1,1,1-trifluorobut-3-yn-2-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-[5-(4-(methyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulphonamide
169590-42-5

4-[5-(4-(methyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulphonamide

Conditions
ConditionsYield
With copper diacetate In dichloromethane for 2.5h; Reflux; regioselective reaction;94%
With silver trifluoromethanesulfonate In chloroform at 20℃; for 1h; Sealed tube; regioselective reaction;89%
C16H13BrO

C16H13BrO

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

C22H20BrN3O2S

C22H20BrN3O2S

Conditions
ConditionsYield
With acetic acid In ethanol for 6h; Reflux;93%
1,1,1-trifluoro-4-phenylbut-3-yn-2-one
58518-08-4

1,1,1-trifluoro-4-phenylbut-3-yn-2-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(5-phenyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide
170569-87-6

4-(5-phenyl-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
With copper diacetate In dichloromethane for 2.5h; Reflux; regioselective reaction;93%
2-(3-(4-methoxyphenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

2-(3-(4-methoxyphenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

4-(5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-3-(4-methoxyphenyl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
In methanol for 6h; Reflux;91.1%
2-(3-(4-bromophenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

2-(3-(4-bromophenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(3-(4-bromophenyl)-5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

4-(3-(4-bromophenyl)-5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
In methanol for 6h; Reflux;90.2%
quinoline-8-sulfonyl chloride
18704-37-5

quinoline-8-sulfonyl chloride

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

C15H14N4O4S2

C15H14N4O4S2

Conditions
ConditionsYield
With triethylamine In acetonitrile at 4℃; Alkylation;90%
4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

(E)-4-(4-methoxyphenyl)-3-phenylbut-3-en-2-one
13938-22-2

(E)-4-(4-methoxyphenyl)-3-phenylbut-3-en-2-one

C23H23N3O3S

C23H23N3O3S

Conditions
ConditionsYield
With acetic acid In ethanol for 6h; Reflux;90%
benzaldehyde
100-52-7

benzaldehyde

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-benzylidene-2-(4-(aminosulfonyl)phenyl)hydrazine
21305-93-1

1-benzylidene-2-(4-(aminosulfonyl)phenyl)hydrazine

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Dean-Stark; Heating;90%
With acetic acid In methanol for 4h; Reflux;
4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

methyl 4-(4-fluorophenyl)-2,4-diketobutyrate
39757-34-1

methyl 4-(4-fluorophenyl)-2,4-diketobutyrate

methyl 5-(4-fluorophenyl)-1-(4-sulfamoylphenyl)-1H-pyrazole-3-carboxylate
170570-80-6

methyl 5-(4-fluorophenyl)-1-(4-sulfamoylphenyl)-1H-pyrazole-3-carboxylate

Conditions
ConditionsYield
In methanol at 70℃;90%
potassium salt of ethyl 2-hydroxy-4-oxo-4-phenyl-2-butenoate

potassium salt of ethyl 2-hydroxy-4-oxo-4-phenyl-2-butenoate

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

5-phenyl-1-(4-sulfamoylphenyl)-1H-pyrazole-3-carboxylic acid ethyl ester
781663-70-5

5-phenyl-1-(4-sulfamoylphenyl)-1H-pyrazole-3-carboxylic acid ethyl ester

Conditions
ConditionsYield
Stage #1: potassium salt of ethyl 2-hydroxy-4-oxo-4-phenyl-2-butenoate; 4-aminosulfonylphenylhydrazine In ethanol at 20℃; for 1h; Inert atmosphere;
Stage #2: With acetic acid In ethanol for 2h; Reflux; Inert atmosphere; regioselective reaction;
89%
Stage #1: potassium salt of ethyl 2-hydroxy-4-oxo-4-phenyl-2-butenoate; 4-aminosulfonylphenylhydrazine at 20℃; for 1h; Inert atmosphere;
Stage #2: With acetic acid for 2h; Reflux; Inert atmosphere;
89%
1-(3'-coumarinyl)-3-(4''-methoxyphenyl)-2-propen-1-one
76011-68-2

1-(3'-coumarinyl)-3-(4''-methoxyphenyl)-2-propen-1-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4‐(5‐(4‐methoxyphenyl)‐3‐(2‐oxo‐2H‐chromen‐3‐yl)‐4,5‐dihydro‐1H‐pyrazol‐1‐yl)benzenesulfonamide

4‐(5‐(4‐methoxyphenyl)‐3‐(2‐oxo‐2H‐chromen‐3‐yl)‐4,5‐dihydro‐1H‐pyrazol‐1‐yl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid In ethanol for 12h; Reflux;89%
In ethanol Reflux;
4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(4-(pyrimidin-2-yl)piperazin-1-yl)benzaldehyde
179488-71-2

4-(4-(pyrimidin-2-yl)piperazin-1-yl)benzaldehyde

(E)-4-(2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)benzylidene)hydrazinyl)benzenesulfonamide

(E)-4-(2-(4-(4-(pyrimidin-2-yl)piperazin-1-yl)benzylidene)hydrazinyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid In ethanol at 90℃;89%
ethyl 2-(5-bromo-2,3-dioxoindolin-1-yl)acetate

ethyl 2-(5-bromo-2,3-dioxoindolin-1-yl)acetate

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(2-(1-benzyl-5-bromo-2-oxoindolin-3-ylidene)hydrazinyl)benzenesulfonamide

4-(2-(1-benzyl-5-bromo-2-oxoindolin-3-ylidene)hydrazinyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid for 6h; Reflux;89%
(3E)-1,1,1-trifluoro-3-(4-methoxyphenyl)4-(4-methylphenyl)but-3-en-2-one

(3E)-1,1,1-trifluoro-3-(4-methoxyphenyl)4-(4-methylphenyl)but-3-en-2-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(4-(4-methoxyphenyl)-5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

4-(4-(4-methoxyphenyl)-5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
Stage #1: (3E)-1,1,1-trifluoro-3-(4-methoxyphenyl)4-(4-methylphenyl)but-3-en-2-one; 4-aminosulfonylphenylhydrazine In ethanol at 80 - 90℃; Sealed tube;
Stage #2: With 2,3-dicyano-5,6-dichloro-p-benzoquinone In toluene at 120℃; regioselective reaction;
89%
ethyl 5-acetyl-3-methylisoxazole-4-carboxylate
129663-13-4

ethyl 5-acetyl-3-methylisoxazole-4-carboxylate

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

3,7-dimethyl-5-(4-sulfonamidophenyl)-5H-isoxazolo[4,5-d]pyridazine-4-one
1276050-77-1

3,7-dimethyl-5-(4-sulfonamidophenyl)-5H-isoxazolo[4,5-d]pyridazine-4-one

Conditions
ConditionsYield
In ethanol for 2h; Reflux;88%
In ethanol for 2h; Reflux;88%
In ethanol for 4h; Reflux;88%
4-(4-methylphenyl)-1,1,1-trifluorobut-3-yn-2-one

4-(4-methylphenyl)-1,1,1-trifluorobut-3-yn-2-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide
331943-04-5

4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide

Conditions
ConditionsYield
In dimethyl sulfoxide at 20 - 110℃; for 19h; regioselective reaction;88%
4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(4-phenylpiperazin-1-yl)benzaldehyde
220955-78-2

4-(4-phenylpiperazin-1-yl)benzaldehyde

(E)-4-(2-(4-(4-phenylpiperazin-1-yl)benzylidene)hydrazinyl)benzenesulfonamide

(E)-4-(2-(4-(4-phenylpiperazin-1-yl)benzylidene)hydrazinyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid In ethanol at 90℃;88%
3-acetylcoumarin
3949-36-8

3-acetylcoumarin

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(2-(1-(2-oxo-2H-chromen-3-yl)ethylidene)hydrazineyl)benzenesulfonamide

4-(2-(1-(2-oxo-2H-chromen-3-yl)ethylidene)hydrazineyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid for 2h; Reflux;88%
2-(3-(4-chlorophenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one
1437785-46-0

2-(3-(4-chlorophenyl)-3-oxoprop-1-enyl)-6,6-dimethyl-4,5,6,7-tetrahydro-1H-indol-4-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(3-(4-chlorophenyl)-5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

4-(3-(4-chlorophenyl)-5-(6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1H-indol-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonamide

Conditions
ConditionsYield
In methanol for 6h; Reflux;87.5%
(E)-4-(4-chlorophenyl)-3-phenylbut-3-en-2-one
6318-76-9, 38661-91-5

(E)-4-(4-chlorophenyl)-3-phenylbut-3-en-2-one

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

C22H20ClN3O2S

C22H20ClN3O2S

Conditions
ConditionsYield
With acetic acid In ethanol for 6h; Reflux;87%
1-benzylisatin
1217-89-6

1-benzylisatin

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

4-(2-(1-benzyl-2-oxoindolin-3-ylidene)hydrazinyl)benzenesulfonamide

4-(2-(1-benzyl-2-oxoindolin-3-ylidene)hydrazinyl)benzenesulfonamide

Conditions
ConditionsYield
With acetic acid for 6h; Reflux;87%
N-(3-(dimethylamino)-2-formylacryloyl)formamide

N-(3-(dimethylamino)-2-formylacryloyl)formamide

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-[4-(aminosulfonyl)phenyl]-1H-pyrazole-4-carboxamide
1234737-42-8

1-[4-(aminosulfonyl)phenyl]-1H-pyrazole-4-carboxamide

Conditions
ConditionsYield
With acetic acid In ethanol for 2h; Reflux;86%
4-Trifluoromethylbenzaldehyde
455-19-6

4-Trifluoromethylbenzaldehyde

4-aminosulfonylphenylhydrazine
4392-54-5

4-aminosulfonylphenylhydrazine

1-(4-trifluoromethylbenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine
509112-67-8

1-(4-trifluoromethylbenzylidene)-2-(4-(aminosulfonyl)phenyl)hydrazine

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Dean-Stark; Heating;86%
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