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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

Antipyrine Manufacturer/High quality/Best price/In stock

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $3.0

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 Antipyrine supplier in China

Cas:60-80-0

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Wuhan Fortuna Chemical Co.,Ltd

Unique advantages for Antipyrine Cas 60-80-0 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crystalline powder Storage:Refrigerator Package:1kg/foil bag, 25kg

Bottom price high quality Antipyrine Cas 60-80-0 with specialized manufacture

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $125.0

Type:Trading Company

inquiry

Xi'an Quanao Biotech Co., Ltd.

Xi’an Quanao Biotech Co., Ltd. with 18 years experience in plant extract filed. Product grade: Medicine, Health care product, Cosmetics, Food, Beverage, Feed. Hot selling market: Europe, North America, South America, Middle East, Asia Pacifi

China Supplier Antipyrine powder price CAS :60-80-0

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 15.0

Type:Manufacturers

inquiry

Hefei TNJ chemical industry co.,ltd

Service we can provide: 1. Mixed container: We can mix different items in one container. 2. Quality control: Before shipment, we can provide free sample for test. Inspection before shipping. 3. Packing: We can pack according to your requirem

Antipyrine

Cas:60-80-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Allgreen Chemical Co.,Ltd

he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:Whit

2,3-DiMethyl-1-phenyl-5-pyrazolone

Cas:60-80-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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 Phenazone

Cas:60-80-0

Min.Order:1

Negotiable

Type:Other

inquiry

Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

We can provide GMP validation service that complies with SFDA, FDA, WHO and EU EMPA.Excellent registration team could help us easlily to register our products in different countries.If you and your customer are interested in some products or need C

Antipyrine manufacturer with low price

Cas:60-80-0

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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% Antipyrine 60-80-0 GMP Manufacturer

Cas:60-80-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

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

Antipyrine

Cas:60-80-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei yanxi chemical co.,LTD.

chengdu and import and export trade 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 res

Antipyrine

Cas:60-80-0

Min.Order:1000 Gram

FOB Price: $50.0

Type:Trading Company

inquiry

Hubei DiBo chemical co., LTD

Name:Antipyrine CAS NO:60-80-0 Grade:For chemical industry, scientific research and export Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Pr

High quality Antipyrine supplier in China

Cas:60-80-0

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

inquiry

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

Antipyrine CAS 60-80-0

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

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

TIANFUCHEM--60-80-0--Antipyrine

Cas:60-80-0

Min.Order:1 Metric Ton

FOB Price: $500.0

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

Top Purity CAS 60-80-0 with fast shipping

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:white Crystalline powder Storage:Store in sealed containers

Pharmaceutical intermediate Antipyrine / Phenazone cas:60-80-0 99% Powder

Cas:60-80-0

Min.Order:100 Gram

Negotiable

Type:Other

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways chempharm is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The marketing department is located in Wuhan. We have two GMP facilities in Hubei Pr

High Purity Antipyrine Powder with Good Payment Term and Safe Delivery

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $200.0 / 400.0

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

3H-Pyrazol-3-one,1,2-dihydro-1,5-dimethyl-2-phenyl- 60-80-0

Cas:60-80-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

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

Analgesic drugs Antipyrine with CAS:60-80-0

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $24.0 / 34.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Antipyrine CAS:60-80-0 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 intermediates, st

Antipyrine CAS:60-80-0

Cas:60-80-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Terui OP New Material Technology Co., Ltd.

We have overseas warehouses in California, New Laredo Mexico, Vancouver Canada, Amsterdam Netherlands, and Melbourne Australia. Overseas warehouses can provide some of the best-selling products. We look forward to the cooperation of local powerful

Factory stock, favorable price CAS 60-80-0 Antipyrine

Cas:60-80-0

Min.Order:0 Metric Ton

Negotiable

Type:Trading Company

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

3H-Pyrazol-3-one,1,2-dihydro-1,5-dimethyl-2-phenyl-

Cas:60-80-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

3H-Pyrazol-3-one,1,2-dihydro-1,5-dimethyl-2-phenyl-/ LIDE PHARMA- Factory supply / Best price

Cas:60-80-0

Min.Order:0

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.:60-80-0

Cas:60-80-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

Antipyrine

Cas:60-80-0

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Company information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer,carbopol,lead acetate,meglumine diphenyl ethylamine and other chemical raw materials and chemical reagents research and development production ente

Best price antipyrine/phenazone powder CAS 60-80-0

Cas:60-80-0

Min.Order:1 Kilogram

FOB Price: $20.0 / 30.0

Type:Trading Company

inquiry

Guangdong Juda Chemical Industrial Co.,Limited

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 etc. 3) OEM/ODM Available; 4) Reasonable & Compet

Changchun Artel lmport and Export trade company

price, service, company and transport advantage: 1. best service, high quality and reasonable price. 2. it's customers' right to choose the package (ems, dhl, fedex, ups). 3. it's customers' right to choose the packing w

Antipyrine CAS NO.60-80-0

Cas:60-80-0

Min.Order:10 Metric Ton

Negotiable

Type:Trading Company

inquiry

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

Antipyrine

Cas:60-80-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

edaravone
89-25-8

edaravone

dimethyl sulfate
77-78-1

dimethyl sulfate

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 160℃; for 5h;71%
at 140 - 170℃;
4-(2,3-dimethyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzoic acid
948853-49-4

4-(2,3-dimethyl-5-oxo-2,5-dihydro-pyrazol-1-yl)-benzoic acid

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With potassium carbonate In chloroform at 20℃; for 24h; Irradiation; Inert atmosphere;68%
edaravone
89-25-8

edaravone

methyl iodide
74-88-4

methyl iodide

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
Stage #1: edaravone; methyl iodide In acetonitrile at 120℃;
Stage #2: With sodium hydrogencarbonate In water; ethyl acetate
58%
With methanol at 100 - 120℃; im Rohr;
With sodium hydrogencarbonate In acetonitrile
In acetonitrile for 12h; Heating; Sealed tube;
methanol
67-56-1

methanol

edaravone
89-25-8

edaravone

A

5-methoxy-3-methyl-1-phenyl-1H-pyrazole
27349-35-5

5-methoxy-3-methyl-1-phenyl-1H-pyrazole

B

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 20h; Ambient temperature;A 53%
B 14%
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 20h; Product distribution; Ambient temperature; various solvents, various ratio of products;
3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

A

5-methoxy-3-methyl-1-phenyl-1H-pyrazole
27349-35-5

5-methoxy-3-methyl-1-phenyl-1H-pyrazole

B

antipyrine
60-80-0

antipyrine

methanol
67-56-1

methanol

3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With hydrogenchloride at 120℃;
With ethyl bromide at 120℃;
methyl bromide
74-83-9

methyl bromide

3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With methoxybenzene
at 132℃;
3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

methylene chloride
74-87-3

methylene chloride

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With methylpyridine at 135℃;
With antipyrine at 135℃;
3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

methyl p-toluene sulfonate
80-48-8

methyl p-toluene sulfonate

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 150 - 160℃;
3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

dimethyl sulfate
77-78-1

dimethyl sulfate

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With xylene at 150℃;
With calcium oxide In methanol
methanol
67-56-1

methanol

3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

methyl iodide
74-88-4

methyl iodide

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 100 - 120℃; im Rohr;
5-methoxy-3-methyl-1-phenyl-1H-pyrazole
27349-35-5

5-methoxy-3-methyl-1-phenyl-1H-pyrazole

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 250 - 260℃; im geschlossenen Gefaess;
at 250 - 260℃; im geschlossenen Gefaess;
1-nitro-2-(2-nitrophenyl)benzene
2436-96-6

1-nitro-2-(2-nitrophenyl)benzene

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
bei der elektrolytischen Reduktion;
methanol
67-56-1

methanol

5-ethoxy-3-methyl-1-phenyl-1H-pyrazole
1016-41-7

5-ethoxy-3-methyl-1-phenyl-1H-pyrazole

methyl iodide
74-88-4

methyl iodide

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 115℃; Kochen des Reaktionsprodukts mit Natronlauge;
at 115℃; Kochen des Reaktionsprodukts mit Natronlauge;
2-(5-methyl-2-phenyl-2H-pyrazol-3-yloxy)-ethanol
5372-10-1

2-(5-methyl-2-phenyl-2H-pyrazol-3-yloxy)-ethanol

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
bei der Methylierung;
carbonic acid methyl ester-(5-methyl-2-phenyl-2H-pyrazol-3-yl ester)

carbonic acid methyl ester-(5-methyl-2-phenyl-2H-pyrazol-3-yl ester)

A

5-methoxy-3-methyl-1-phenyl-1H-pyrazole
27349-35-5

5-methoxy-3-methyl-1-phenyl-1H-pyrazole

B

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 200℃;
methylene chloride
74-87-3

methylene chloride

1-benzyl-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
55774-20-4

1-benzyl-5-methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

A

3-methyl-1-phenylpyrazolin-5(4H)-one
19735-89-8

3-methyl-1-phenylpyrazolin-5(4H)-one

B

antipyrine
60-80-0

antipyrine

C

4-benzyl-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one
54462-78-1

4-benzyl-5-methyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Conditions
ConditionsYield
at 150 - 180℃;
antipyric acid
83-10-3

antipyric acid

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
Beim Erhitzen ueber den Schmelzpunkt;
2,2'-Bis-(N'-acetyl-hydrazino)-biphenyl

2,2'-Bis-(N'-acetyl-hydrazino)-biphenyl

A

acetamide
60-35-5

acetamide

B

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 250 - 260℃;
ethyl acetoacetate
141-97-9

ethyl acetoacetate

1-Methyl-1-phenylhydrazine
618-40-6

1-Methyl-1-phenylhydrazine

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 130 - 160℃;
ethyl acetoacetate
141-97-9

ethyl acetoacetate

2-methylphenylhydrazine
529-27-1

2-methylphenylhydrazine

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
at 130 - 160℃;
3-benzoyloxy-1,5-dimethyl-2-phenyl-pyrazolium; chloride

3-benzoyloxy-1,5-dimethyl-2-phenyl-pyrazolium; chloride

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

antipyrine
60-80-0

antipyrine

3-benzoyloxy-1,5-dimethyl-2-phenyl-pyrazolium; chloride

3-benzoyloxy-1,5-dimethyl-2-phenyl-pyrazolium; chloride

A

antipyrine
60-80-0

antipyrine

B

methylene chloride
74-87-3

methylene chloride

C

(3-methyl-1-phenyl-1H-pyrazol-5-yl) benzoate
56159-67-2

(3-methyl-1-phenyl-1H-pyrazol-5-yl) benzoate

D

benzoyl chloride
98-88-4

benzoyl chloride

Conditions
ConditionsYield
at 180℃;
methylene chloride
74-87-3

methylene chloride

edaravone
89-25-8

edaravone

antipyrine
60-80-0

antipyrine

Conditions
ConditionsYield
With methanol at 95 - 100℃; under 6840 - 7600 Torr;
2,2'-azinobis(3-ethylbenzthiazolinesulfonate)
28752-68-3

2,2'-azinobis(3-ethylbenzthiazolinesulfonate)

1,5-Dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
60-80-0

1,5-Dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

A

antipyrine
60-80-0

antipyrine

B

C18H18N4O6S4(1+)
28752-68-3

C18H18N4O6S4(1+)

Conditions
ConditionsYield
Rate constant;
(±)-2-chloro-10-(3-dimethylamino-2-methylpropyl)phenothiazine
20828-91-5

(±)-2-chloro-10-(3-dimethylamino-2-methylpropyl)phenothiazine

1,5-Dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
60-80-0

1,5-Dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

A

antipyrine
60-80-0

antipyrine

B

trimeprazine(1+) radical
20828-91-5

trimeprazine(1+) radical

Conditions
ConditionsYield
Rate constant; pH 3;
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
950-81-2

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

3-amino crotonic acid-tert-butylester
16052-66-7

3-amino crotonic acid-tert-butylester

A

antipyrine
60-80-0

antipyrine

B

di-tert-butyl 2,6-dimethylpyridine-3,5-dicarboxylate
55536-75-9

di-tert-butyl 2,6-dimethylpyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With pyridine; thionyl chloride 1.) CH2Cl2, from 0 deg C to 20 deg C, 1 h, 2.) CH2Cl2, 20 deg C, 18 h; Multistep reaction;
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
950-81-2

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

ethyl (Z)-3-amino-3-phenylacrylate
53256-19-2

ethyl (Z)-3-amino-3-phenylacrylate

A

antipyrine
60-80-0

antipyrine

B

diethyl 2,6-diphenyl-3,5-pyridinedicarboxylate

diethyl 2,6-diphenyl-3,5-pyridinedicarboxylate

Conditions
ConditionsYield
With pyridine; thionyl chloride 1.) CH2Cl2, from 0 deg C to 20 deg C, 1 h, 2.) CH2Cl2, 20 deg C, 18 h; Multistep reaction;
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
950-81-2

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

methyl 3-aminocrotonate
21731-17-9

methyl 3-aminocrotonate

A

antipyrine
60-80-0

antipyrine

B

dimethyl 2,6-dimethylpyridine-3,5-dicarboxylate
27525-74-2

dimethyl 2,6-dimethylpyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With pyridine; thionyl chloride 1.) CH2Cl2, from 0 deg C to 20 deg C, 1 h, 2.) CH2Cl2, 20 deg C, 18 h; Multistep reaction;
4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one
950-81-2

4-formyl-2,3-dimethyl-1-phenyl-3-pyrazolin-5-one

ethyl 3-aminobut-2-enoate
626-34-6

ethyl 3-aminobut-2-enoate

A

antipyrine
60-80-0

antipyrine

B

2,6-dimethyl-pyridine-3,5-dicarboxylic acid diethyl ester
1149-24-2

2,6-dimethyl-pyridine-3,5-dicarboxylic acid diethyl ester

Conditions
ConditionsYield
With pyridine; thionyl chloride 1.) CH2Cl2, from 0 deg C to 20 deg C, 1 h, 2.) CH2Cl2, 20 deg C, 18 h; Multistep reaction;
antipyrine
60-80-0

antipyrine

Hexafluoroacetone
684-16-2

Hexafluoroacetone

4-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluorethyl)-2,3-dimethyl-1-phenylpyrazol-5-one

4-(1-hydroxy-1-trifluoromethyl-2,2,2-trifluorethyl)-2,3-dimethyl-1-phenylpyrazol-5-one

Conditions
ConditionsYield
In chloroform 1.) 20 deg C, 24 h, 2.) 75 deg C, 3 h;100%
antipyrine
60-80-0

antipyrine

antipyrine perchlorate
20776-03-8, 49727-60-8

antipyrine perchlorate

Conditions
ConditionsYield
With perchloric acid In ethanol100%
antipyrine
60-80-0

antipyrine

2-nitro-benzaldehyde
552-89-6

2-nitro-benzaldehyde

bis[1-(2,3-dimethyl-1-phenyl-3-pyrazolin-5-one)]-2-nitrophenylmethane
14957-18-7

bis[1-(2,3-dimethyl-1-phenyl-3-pyrazolin-5-one)]-2-nitrophenylmethane

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 20℃; for 1h;99%
With hydrogenchloride In methanol at 60℃; for 12h;67%
With ethanol hydrochloride
antipyrine
60-80-0

antipyrine

rac-1-(4-methoxyphenyl)-ethanol
3319-15-1

rac-1-(4-methoxyphenyl)-ethanol

4-[1-(4-methoxyphenyl)ethyl]antipyrine
1321804-59-4

4-[1-(4-methoxyphenyl)ethyl]antipyrine

Conditions
ConditionsYield
With gluconic acid In water at 100℃; for 4h;99%
antipyrine
60-80-0

antipyrine

2,3,4,9-tetrahydro-9-(2-hydroxy-4,4-dimethyl-6-oxo-1-cyclohexen-1-yl)-3,3-dimethyl-1H-xanthen-1-one
19744-87-7

2,3,4,9-tetrahydro-9-(2-hydroxy-4,4-dimethyl-6-oxo-1-cyclohexen-1-yl)-3,3-dimethyl-1H-xanthen-1-one

4-(3,3-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-xanthen-9-yl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

4-(3,3-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-xanthen-9-yl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With iron(III) chloride; triphenylphosphine In 1,2-dichloro-ethane at 80℃; for 11h;99%
antipyrine
60-80-0

antipyrine

salicylaldehyde
90-02-8

salicylaldehyde

dimedone
126-81-8

dimedone

4-(3,3-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-xanthen-9-yl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

4-(3,3-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-xanthen-9-yl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With iron(III) chloride; triphenylphosphine In nitromethane at 100℃; for 11h;99%
antipyrine
60-80-0

antipyrine

di(p-tolyl) disulfide
103-19-5

di(p-tolyl) disulfide

1,5-dimethyl-2-phenyl-4-(p-tolylthio)-1,2-dihydro-3H-pyrazol-3-one

1,5-dimethyl-2-phenyl-4-(p-tolylthio)-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;99%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Catalytic behavior; Reagent/catalyst; Solvent; Sealed tube;98%
With silver(I) acetate; silver trifluoromethanesulfonate In toluene at 100℃; for 16h; Temperature; Reagent/catalyst; Inert atmosphere;76%
antipyrine
60-80-0

antipyrine

bis(2-benzoylaminophenyl) disulfide
135-57-9

bis(2-benzoylaminophenyl) disulfide

N-(2-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)thio)phenyl)benzamide

N-(2-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)thio)phenyl)benzamide

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;99%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;81%
antipyrine
60-80-0

antipyrine

diphenyldisulfane
882-33-7

diphenyldisulfane

1,5-dimethyl-2-phenyl-4-(phenylthio)-1,2-dihydro-3H-pyrazol-3-one

1,5-dimethyl-2-phenyl-4-(phenylthio)-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; silver(I) acetate In methanol at 20℃; Sealed tube;99%
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h; Reagent/catalyst; Solvent; Temperature;99%
antipyrine
60-80-0

antipyrine

N-(4,4-diethoxybutyl)ethenesulfonamide

N-(4,4-diethoxybutyl)ethenesulfonamide

1,5-dimethyl-2-phenyl-4-(1-(vinylsulfonyl)pyrrolidin-2-yl)-1,2-dihydro-3H-pyrazol-3-one

1,5-dimethyl-2-phenyl-4-(1-(vinylsulfonyl)pyrrolidin-2-yl)-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With trifluoroacetic acid In benzene for 5h; Reflux;99%
antipyrine
60-80-0

antipyrine

methyl 3,3,3-trifluoropyruvate
13089-11-7

methyl 3,3,3-trifluoropyruvate

4-(1-hydroxy-1-methoxycarbonyl-2,2,2-trifluoroethyl)-2,3-dimethyl-1-phenylpyrazol-5-one

4-(1-hydroxy-1-methoxycarbonyl-2,2,2-trifluoroethyl)-2,3-dimethyl-1-phenylpyrazol-5-one

Conditions
ConditionsYield
In chloroform 1.) 20 deg C, 16 h, 2.) reflux, 2 h;98%
antipyrine
60-80-0

antipyrine

(2-Methylthio-2-pyrrolidinovinyl)phenylketon
185245-63-0

(2-Methylthio-2-pyrrolidinovinyl)phenylketon

1,2-dihydro-1-methyl-2,4-diphenyl-6-(1-pyrrolidyl)-3H-indazol-3-one

1,2-dihydro-1-methyl-2,4-diphenyl-6-(1-pyrrolidyl)-3H-indazol-3-one

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran; diethyl ether -78 deg C, 30-40 min; RT, 6-8 h;98%
antipyrine
60-80-0

antipyrine

4,4'-dimethoxyphenyl disulfide
5335-87-5

4,4'-dimethoxyphenyl disulfide

4-((4-methoxyphenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

4-((4-methoxyphenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;98%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;86%
2-thienyl disulfide
6911-51-9

2-thienyl disulfide

antipyrine
60-80-0

antipyrine

1,5-dimethyl-2-phenyl-4-(thiophen-2-ylthio)-1,2-dihydro-3H-pyrazol-3-one

1,5-dimethyl-2-phenyl-4-(thiophen-2-ylthio)-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;98%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;83%
ammonium thiocyanate

ammonium thiocyanate

antipyrine
60-80-0

antipyrine

1,5-dimethyl-2-phenyl-4-thiocyanato-1,2-dihydro-3H-pyrazol-3-one
91397-05-6

1,5-dimethyl-2-phenyl-4-thiocyanato-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate In acetonitrile at 20℃; for 16h; Reagent/catalyst;98%
antipyrine
60-80-0

antipyrine

para-nitrophenyl bromide
586-78-7

para-nitrophenyl bromide

1,5-dimethyl-4-(4-nitrophenyl)-2-phenyl-1H-pyrazol-3(2H)-one

1,5-dimethyl-4-(4-nitrophenyl)-2-phenyl-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With potassium acetate; palladium diacetate at 150℃; for 16h; Inert atmosphere; Schlenk technique;98%
1-oxothiolane
1600-44-8

1-oxothiolane

antipyrine
60-80-0

antipyrine

(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-tetrahydrothiopheniumperchlorat

(2,3-Dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4-yl)-tetrahydrothiopheniumperchlorat

Conditions
ConditionsYield
With lithium perchlorate; trifluoroacetic acid In dichloromethane 2.) r.t.;97%
antipyrine
60-80-0

antipyrine

di(benzothiazol-2-yl)disulfide
120-78-5

di(benzothiazol-2-yl)disulfide

4-(benzo[d]thiazol-2-ylthio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

4-(benzo[d]thiazol-2-ylthio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;97%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;84%
antipyrine
60-80-0

antipyrine

2-bromo-6-(trifluoromethyl)pyridine
189278-27-1

2-bromo-6-(trifluoromethyl)pyridine

1,5-dimethyl-2-phenyl-4-(6-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-3(2H)-one

1,5-dimethyl-2-phenyl-4-(6-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With potassium acetate; palladium diacetate at 150℃; for 16h; Inert atmosphere; Schlenk technique;97%
4-(morpholinomethyl)morpholine
5625-90-1

4-(morpholinomethyl)morpholine

antipyrine
60-80-0

antipyrine

4-(N-morpholinylmethyl) antipyrine
101268-93-3

4-(N-morpholinylmethyl) antipyrine

Conditions
ConditionsYield
In acetonitrile at 40℃; for 24h;95%
With water
antipyrine
60-80-0

antipyrine

4,4'-dichlorodiphenyl disulfide
1142-19-4

4,4'-dichlorodiphenyl disulfide

4-((4-chlorophenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

4-((4-chlorophenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;95%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;83%
antipyrine
60-80-0

antipyrine

iodoantipyrine
129-81-7

iodoantipyrine

Conditions
ConditionsYield
With [bis(pyridine)iodine]+ tetrafluoroborate In dichloromethane for 2h; Ambient temperature;94%
With iodine; oxygen; 9,10-phenanthrenequinone; trifluoroacetic acid In 1,2-dichloro-ethane at 25℃; for 1h; Irradiation; regioselective reaction;83%
With iodine In dichloromethane at 20℃; for 2h;83%
antipyrine
60-80-0

antipyrine

di(p-tolyl) disulfide
103-19-5

di(p-tolyl) disulfide

1,5-dimethyl-2-phenyl-4-(phenylthio)-1,2-dihydro-3H-pyrazol-3-one

1,5-dimethyl-2-phenyl-4-(phenylthio)-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 2h; Sealed tube;94%
antipyrine
60-80-0

antipyrine

3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

bis[1-(2,3-dimethyl-1-phenyl-3-pyrazolin-5-one)]-3-nitrophenylmethane
1606-53-7

bis[1-(2,3-dimethyl-1-phenyl-3-pyrazolin-5-one)]-3-nitrophenylmethane

Conditions
ConditionsYield
With toluene-4-sulfonic acid at 20℃; for 24h;93%
With hydrogenchloride
With sulfuric acid
antipyrine
60-80-0

antipyrine

2-(4-bromo-benzylidenamino)-ethanol
27895-60-9

2-(4-bromo-benzylidenamino)-ethanol

4-[(4-Bromo-phenyl)-(2-hydroxy-ethylamino)-methyl]-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
84905-11-3

4-[(4-Bromo-phenyl)-(2-hydroxy-ethylamino)-methyl]-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 12h; Heating;93%
antipyrine
60-80-0

antipyrine

2-[(4-chlorophenyl)(phenylthio)methyl]-3-hydroxy-5,5-dimethylcyclohex-2-enone
1609076-47-2

2-[(4-chlorophenyl)(phenylthio)methyl]-3-hydroxy-5,5-dimethylcyclohex-2-enone

4-[(4-chlorophenyl)(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)methyl]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
1609076-74-5

4-[(4-chlorophenyl)(2-hydroxy-4,4-dimethyl-6-oxocyclohex-1-en-1-yl)methyl]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With manganese(II) chloride tetrahydrate In nitromethane at 100℃; for 6h;93%
bromochlorobenzene
106-39-8

bromochlorobenzene

antipyrine
60-80-0

antipyrine

4-(4-chlorophenyl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

4-(4-chlorophenyl)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

Conditions
ConditionsYield
With potassium acetate; palladium diacetate at 150℃; for 16h; Inert atmosphere; Schlenk technique;93%
antipyrine
60-80-0

antipyrine

1,2-bis(3,5-dichlorophenyl)disulfane
137897-99-5

1,2-bis(3,5-dichlorophenyl)disulfane

4-((3,5-dichlorophenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

4-((3,5-dichlorophenyl)thio)-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate; potassium iodide In acetonitrile at 60℃; for 16h;92%
With 1,4-diaza-bicyclo[2.2.2]octane; silver(I) acetate In methanol at 20℃; for 8h; Sealed tube;49%
2-(p-Nitrobenzylidenamino)ethanol
19394-08-2

2-(p-Nitrobenzylidenamino)ethanol

antipyrine
60-80-0

antipyrine

4-[(2-Hydroxy-ethylamino)-(4-nitro-phenyl)-methyl]-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
84905-12-4

4-[(2-Hydroxy-ethylamino)-(4-nitro-phenyl)-methyl]-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one

Conditions
ConditionsYield
With hydrogenchloride In ethanol for 12h; Heating;91%
antipyrine
60-80-0

antipyrine

potassium thioacyanate
333-20-0

potassium thioacyanate

1,5-dimethyl-2-phenyl-4-thiocyanato-1,2-dihydro-3H-pyrazol-3-one
91397-05-6

1,5-dimethyl-2-phenyl-4-thiocyanato-1,2-dihydro-3H-pyrazol-3-one

Conditions
ConditionsYield
With dipotassium peroxodisulfate In acetonitrile at 20℃; for 16h; Reagent/catalyst;90%
With bromine; acetic acid
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