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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

3(2H)-Pyridazinone Manufacturer/High quality/Best price/In stock

Cas:504-30-3

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 c

High quality Pyridazin-3(2H)-One

Cas:504-30-3

Min.Order:1 Kilogram

Negotiable

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

2H-Pyridazin-3-one

Cas:504-30-3

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

3(2H)-Pyridazinone CAS NO 504-30-3

Cas:504-30-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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 on.O

3(2H)-Pyridazinone 504-30-3

Cas:504-30-3

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

Factory direct supply CAS 504-30-3 with best quality

Cas:504-30-3

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

Factory Supply High Quality CAS 504-30-3 ,3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:10 Kilogram

Negotiable

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

3(2H)-Pyridazinone 504-30-3

Cas:504-30-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Kilogram

FOB Price: $40.0 / 50.0

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

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By Se

3(2H)-pyridazinone

Cas:504-30-3

Min.Order:0 Metric Ton

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

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

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

2,3-dihydropyridazin-3-one

Cas:504-30-3

Min.Order:4 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

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Gram

FOB Price: $1.0

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

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: 3(2H)-Pyridazinone CAS No.:504-30-3 Molecule Formula:CC4H4N2O Molecule Weight:96.09 Purity: 98.0% Package: 200kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTING ITEMS

High Quality 3(2H)-Pyridazinone in stock

Cas:504-30-3

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(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

2H-Pyridazin-3-one

Cas:504-30-3

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

2H-Pyridazin-3-one

Cas:504-30-3

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Shanghai Finebiotech Co.,Ltd.

Shanghai Finebiotech Co.,Ltd.was established in 2020, which providing professional chemical services. As a customer-oriented company, we have distinguished ourself from others in providing worldwide customers with cost-effective and efficient service

2,3-dihydropyridazin-3-one

Cas:504-30-3

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

3(2H)-Pyridazinone cas no. 504-30-3 98%

Cas:504-30-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou

3(2H)-Pyridazinone

Cas:504-30-3

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

3-Phenyl-7aH-1-oxa-2,3a,4-triaza-indene
178047-61-5

3-Phenyl-7aH-1-oxa-2,3a,4-triaza-indene

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With air In benzene Ambient temperature; Irradiation;90%
mucochloric acid
57697-64-0

mucochloric acid

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
Stage #1: mucochloric acid With tert-butylhydrazine In water; toluene at 23℃; for 2.8h;
Stage #2: With tetrabutylammomium bromide; titanium(IV) oxide In water; toluene at 20℃; for 4.6h; Temperature;
88.9%
N'-acryloyl-N-allyl-4-methylbenzenesulfonohydrazide
1173165-19-9

N'-acryloyl-N-allyl-4-methylbenzenesulfonohydrazide

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With Hoveyda-Grubbs catalyst second generation In dichloromethane at 40℃; for 36h; Sealed tube; Inert atmosphere;87%
5-(1,2-diaza-1-t-butylbutadien-4-ylidene)-2,2-dimethyl-1,3-dioxan-4,6-dione
83297-14-7

5-(1,2-diaza-1-t-butylbutadien-4-ylidene)-2,2-dimethyl-1,3-dioxan-4,6-dione

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
at 750℃; under 0.01 - 0.1 Torr; for 1.5h;63%
6-chloro-2H-pyridazin-3-one
19064-67-6

6-chloro-2H-pyridazin-3-one

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With palladium on activated charcoal; hydrogen; potassium carbonate In ethyl acetate under 1551.49 Torr; for 3h;55%
piperidine
110-89-4

piperidine

diethyl ether
60-29-7

diethyl ether

epichlorohydrin
106-89-8

epichlorohydrin

6-(3-allyl-4-hydroxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one
56872-17-4

6-(3-allyl-4-hydroxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one

A

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

B

6-(3-allyl-4-oxiranylmethoxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one
56872-18-5

6-(3-allyl-4-oxiranylmethoxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one

Conditions
ConditionsYield
With sodium hydroxide In dichloromethaneA 47%
B n/a
1,2-diazine
289-80-5

1,2-diazine

benzonitrile oxide
873-67-6

benzonitrile oxide

A

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

B

6a,9a,9b-trihydro-3,9-diphenylisoxazolo<4,5-d><1,2,4>oxadiazolo<4,5-b>pyridazine

6a,9a,9b-trihydro-3,9-diphenylisoxazolo<4,5-d><1,2,4>oxadiazolo<4,5-b>pyridazine

Conditions
ConditionsYield
In benzene for 3h; Heating;A 3%
B 29%
1,2-diazine
289-80-5

1,2-diazine

A

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

B

6a,9a,9b-trihydro-3,9-diphenylisoxazolo<4,5-d><1,2,4>oxadiazolo<4,5-b>pyridazine

6a,9a,9b-trihydro-3,9-diphenylisoxazolo<4,5-d><1,2,4>oxadiazolo<4,5-b>pyridazine

Conditions
ConditionsYield
With benzonitrile oxide In benzene for 3h; Heating;A 3%
B 29%
3-oxo-2,3,4,5-tetrahydropyridazine
61468-81-3

3-oxo-2,3,4,5-tetrahydropyridazine

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With chloroform; bromine
4,5-dichloro-2H-pyridazin-3-one
932-22-9

4,5-dichloro-2H-pyridazin-3-one

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With sodium hydroxide; palladium on activated charcoal Hydrogenation;
4,5-dibromo-3(2H)pyridazinone
5788-58-9

4,5-dibromo-3(2H)pyridazinone

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With sodium hydroxide; palladium on activated charcoal Hydrogenation;
6-oxo-1,6-dihydro-pyridazine-4-carboxylic acid
867130-58-3

6-oxo-1,6-dihydro-pyridazine-4-carboxylic acid

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With copper
3-oxo-2,3-dihydro-pyridazine-4-carboxylic acid
54404-06-7

3-oxo-2,3-dihydro-pyridazine-4-carboxylic acid

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

6-oxo-1,6-dihydro-pyridazine-3,4-dicarboxylic acid
867130-51-6

6-oxo-1,6-dihydro-pyridazine-3,4-dicarboxylic acid

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With copper
3-(ethyloxy)pyridazine
62567-44-6

3-(ethyloxy)pyridazine

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
at 376.8℃; Rate constant; Thermodynamic data; further temperatures;
phosgene
75-44-5

phosgene

5-[3-(cyclopentyloxy)-4-methoxyphenyl]-1-methyl-3-pyrazolidinone
145743-48-2

5-[3-(cyclopentyloxy)-4-methoxyphenyl]-1-methyl-3-pyrazolidinone

A

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

B

3-[3-(cyclopentyloxy)-4-methoxyphenyl]-2-methyl-5-oxo-N-(3-pyridinylmethyl)-1-pyrazolidine carboxamide
145743-63-1

3-[3-(cyclopentyloxy)-4-methoxyphenyl]-2-methyl-5-oxo-N-(3-pyridinylmethyl)-1-pyrazolidine carboxamide

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran; methanol; ethyl acetate; toluene
allyl bromide
106-95-6

allyl bromide

6-(3-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone
39499-64-4

6-(3-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone

A

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

B

6-(3-allyloxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one
56872-13-0

6-(3-allyloxy-phenyl)-4,5-dihydro-2H-pyridazin-3-one

Conditions
ConditionsYield
With potassium carbonate In acetone
propyl bromide
106-94-5

propyl bromide

6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone
39560-33-3

6-(4-hydroxyphenyl)-4,5-dihydro-3(2H)-pyridazinone

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
In sodium hydroxide; ethanol
C11H12N2O3S

C11H12N2O3S

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Conditions
ConditionsYield
With 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃;
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

N,N-dimethyl-formamide dimethyl acetal
4637-24-5

N,N-dimethyl-formamide dimethyl acetal

2-methylpyridazin-3(2H)-one
22687-56-5

2-methylpyridazin-3(2H)-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide Heating;96%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

4-bromoethylbutanoate
2969-81-5

4-bromoethylbutanoate

ethyl 4-[pyridazin-3(2H)-one-2-yl]-butyrate
346407-39-4

ethyl 4-[pyridazin-3(2H)-one-2-yl]-butyrate

Conditions
ConditionsYield
With potassium carbonate In acetone for 24h; Heating;95%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

4-iodobenzonitrile
3058-39-7

4-iodobenzonitrile

4-(6-oxo-6H-pyridazin-1-yl)-benzonitrile

4-(6-oxo-6H-pyridazin-1-yl)-benzonitrile

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 20h;94%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

6-Bromo-2-methyl-quinoline
877-42-9

6-Bromo-2-methyl-quinoline

2-(2-methyl-quinolin-6-yl)-2H-pyridazin-3-one

2-(2-methyl-quinolin-6-yl)-2H-pyridazin-3-one

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 140℃; for 20h;90%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

acrylonitrile
107-13-1

acrylonitrile

3-(3-oxo-2-pyridazinyl)propionitrile
73535-74-7

3-(3-oxo-2-pyridazinyl)propionitrile

Conditions
ConditionsYield
With potassium hydroxide; tetrabutylammomium bromide In benzene for 5h; Ambient temperature;89%
With N-benzyl-trimethylammonium hydroxide In ethanol for 8h; Heating;
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

iodobenzene
591-50-4

iodobenzene

2-phenyl-2H-pyridazin-3-one
14135-63-8

2-phenyl-2H-pyridazin-3-one

Conditions
ConditionsYield
With caesium carbonate; hydroxybenzaldoxime; copper(I) oxide In acetonitrile at 82℃; for 100h;89%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

1-{[(1S,2S)-2-(4-bromophenyl)cyclopropyl]methyl}-(2S)-2-methylpyrrolidine
1000305-04-3

1-{[(1S,2S)-2-(4-bromophenyl)cyclopropyl]methyl}-(2S)-2-methylpyrrolidine

2-[4-((1S,2S)-2-{[(2S)-2-methylpyrrolidin-1-yl]methyl}cyclopropyl)phenyl]pyridazin-3(2H)-one

2-[4-((1S,2S)-2-{[(2S)-2-methylpyrrolidin-1-yl]methyl}cyclopropyl)phenyl]pyridazin-3(2H)-one

Conditions
ConditionsYield
With pyridine; potassium carbonate; copper(l) iodide; N,N`-dimethylethylenediamine In ethyl acetate at 115℃; Inert atmosphere;86%
With pyridine; copper(l) iodide; N,N`-dimethylethylenediamine at 135℃; for 16h;
With pyridine; copper(l) iodide; N,N`-dimethylethylenediamine at 135℃; for 16h; Inert atmosphere; Sealed tube;
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

1-bromo-4-methoxy-benzene
104-92-7

1-bromo-4-methoxy-benzene

2-(4-methoxy-phenyl)-2H-pyridazin-3-one

2-(4-methoxy-phenyl)-2H-pyridazin-3-one

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 140℃; for 20h;85%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

dimethyl acetylenedicarboxylate
762-42-5

dimethyl acetylenedicarboxylate

dimethyl 2-(6-oxopyridazin-1(6H)-yl)fumarate
1274944-76-1

dimethyl 2-(6-oxopyridazin-1(6H)-yl)fumarate

Conditions
ConditionsYield
With triphenyl-arsane In acetone at -5℃; for 5.16667h; diastereospecific reaction;85%
With pyridine In dichloromethane at 20℃; for 24h; stereoselective reaction;80%
With triphenyl-arsane In methanol at 28℃; Catalytic behavior; Kinetics; Mechanism; Temperature; Reagent/catalyst; Concentration; diastereoselective reaction;
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

6-bromo-2-(3,3-dimethoxycyclobutyl)benzothiazole
1416049-94-9

6-bromo-2-(3,3-dimethoxycyclobutyl)benzothiazole

2-(2-(3,3-dimethoxycyclobutyl)benzothiazol-6-yl)-pyridazin-3(2H)-one
1416049-95-0

2-(2-(3,3-dimethoxycyclobutyl)benzothiazol-6-yl)-pyridazin-3(2H)-one

Conditions
ConditionsYield
With pyridine; potassium carbonate; copper(l) chloride; N,N`-dimethylethylenediamine at 100℃; for 16.5h; Solvent; Reagent/catalyst; Inert atmosphere;84%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

ethyl acrylate
140-88-5

ethyl acrylate

ethyl 3-[pyridazin-3(2H)-one-2-yl]-propionate
73535-75-8

ethyl 3-[pyridazin-3(2H)-one-2-yl]-propionate

Conditions
ConditionsYield
In ethanol83%
bis(4-tert-butylphenyl)iodonium trifluoromethanesulfonate
84563-54-2

bis(4-tert-butylphenyl)iodonium trifluoromethanesulfonate

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

2-(4-(tert-butyl)phenyl)pyridazin-3(2H)-one

2-(4-(tert-butyl)phenyl)pyridazin-3(2H)-one

Conditions
ConditionsYield
With triethylamine; copper(l) chloride In toluene at 20℃; for 1h; Inert atmosphere;82%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

ethyl (3aR,6aR)-1-(4'-bromo-1,1'-biphenyl-4-yl)hexahydropyrrolo[3,4-b]pyrrole-5(1H)-carboxylate
948846-68-2

ethyl (3aR,6aR)-1-(4'-bromo-1,1'-biphenyl-4-yl)hexahydropyrrolo[3,4-b]pyrrole-5(1H)-carboxylate

ethyl (3aR,6aR)-1-[4'-(6-oxopyridazin-1(6H)-yl)-1,1'-biphenyl-4-yl]hexahydropyrrolo[3,4-b]pyrrole-5(1H)-carboxylate
948846-69-3

ethyl (3aR,6aR)-1-[4'-(6-oxopyridazin-1(6H)-yl)-1,1'-biphenyl-4-yl]hexahydropyrrolo[3,4-b]pyrrole-5(1H)-carboxylate

Conditions
ConditionsYield
With potassium carbonate; copper(l) iodide; 8-quinolinol In N,N-dimethyl-formamide at 17 - 140℃; for 18h;81.9%
With copper(l) iodide; 8-quinolinol; potassium carbonate In N,N-dimethyl-formamide at 17 - 140℃; for 18h; Product distribution / selectivity;81.9%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

3-iodobenzonitrile
69113-59-3

3-iodobenzonitrile

3-(6-oxo-6H-pyridazin-1-yl)-benzonitrile

3-(6-oxo-6H-pyridazin-1-yl)-benzonitrile

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 20h;80%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

3,5-dimethylphenyl iodide
22445-41-6

3,5-dimethylphenyl iodide

2-(3,5-dimethyl-phenyl)-2H-pyridazin-3-one

2-(3,5-dimethyl-phenyl)-2H-pyridazin-3-one

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 20h;80%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

(6S,7R)-tert-butyl 7-(4-chloro-3-fluorophenyl)-6-((methylsulfonyloxy)methyl)-1,4-oxazepane-4-carboxylate
1372187-07-9

(6S,7R)-tert-butyl 7-(4-chloro-3-fluorophenyl)-6-((methylsulfonyloxy)methyl)-1,4-oxazepane-4-carboxylate

(6S,7R)-tert-butyl 7-(4-chloro-3-fluorophenyl)-6-((6-oxopyridazin-1(6H)-yl)methyl)-1,4-oxazepane-4-carboxylate

(6S,7R)-tert-butyl 7-(4-chloro-3-fluorophenyl)-6-((6-oxopyridazin-1(6H)-yl)methyl)-1,4-oxazepane-4-carboxylate

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 4h;78%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

2-phenyl-1,3,4-oxadiazole
825-56-9

2-phenyl-1,3,4-oxadiazole

3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyridazine
1366397-77-4

3-(5-phenyl-1,3,4-oxadiazol-2-yl)pyridazine

Conditions
ConditionsYield
Stage #1: 2H-Pyridazin-3-one With N-ethyl-N,N-diisopropylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In 1,4-dioxane at 100℃; for 0.5h; Inert atmosphere; Sealed vessel; Microwave irradiation;
Stage #2: 2-phenyl-1,3,4-oxadiazole With copper(l) iodide; palladium diacetate; potassium carbonate; triphenylphosphine In 1,4-dioxane; 2,4-dichlorophenoxyacetic acid dimethylamine at 120℃; for 0.666667h; Inert atmosphere; Microwave irradiation; Sealed vessel;
75%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

trans-6-bromo-2-{3-[(2R)-2-methylpyrrolidin-1-yl]cyclobutyl}-1,3-benzothiazole

trans-6-bromo-2-{3-[(2R)-2-methylpyrrolidin-1-yl]cyclobutyl}-1,3-benzothiazole

trans-2-(2-{3-[(2R)-2-methylpyrrolidin-1-yl]cyclobutyl}-1,3-benzothiazol-6-yl)pyridazin-3(2H)-one

trans-2-(2-{3-[(2R)-2-methylpyrrolidin-1-yl]cyclobutyl}-1,3-benzothiazol-6-yl)pyridazin-3(2H)-one

Conditions
ConditionsYield
With pyridine; potassium carbonate; copper Heating / reflux;74%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

3-chloropyridazine
1120-95-2

3-chloropyridazine

Conditions
ConditionsYield
With trichlorophosphate at 60℃; for 1.5h;73%
With trichlorophosphate63%
Stage #1: 2H-Pyridazin-3-one With trichlorophosphate at 85℃; for 4.5h;
Stage #2: With sodium hydroxide In water at 0℃; pH=> 10;
46%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

1-bromo-butane
109-65-9

1-bromo-butane

2-Butyl-2H-pyridazin-3-one
79235-20-4

2-Butyl-2H-pyridazin-3-one

Conditions
ConditionsYield
With potassium hydroxide; tetrabutylammomium bromide In benzene for 5h; Ambient temperature;73%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

3,3'-bipyridazine
10198-96-6

3,3'-bipyridazine

Conditions
ConditionsYield
Stage #1: 2H-Pyridazin-3-one With triethylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In 1,4-dioxane at 100℃; for 0.5h; Inert atmosphere; Sealed vessel; Microwave irradiation;
Stage #2: With copper(l) iodide; palladium diacetate; potassium carbonate; triphenylphosphine In 1,4-dioxane; 2,4-dichlorophenoxyacetic acid dimethylamine at 120℃; for 0.666667h; Inert atmosphere; Microwave irradiation; Sealed vessel;
71%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

benzoxazole
273-53-0

benzoxazole

2-(pyridazin-3-yl)benzo[d]oxazole
1366397-81-0

2-(pyridazin-3-yl)benzo[d]oxazole

Conditions
ConditionsYield
Stage #1: 2H-Pyridazin-3-one With triethylamine; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In 1,4-dioxane at 100℃; for 0.5h; Inert atmosphere; Sealed vessel; Microwave irradiation;
Stage #2: benzoxazole With copper(l) iodide; palladium diacetate; potassium carbonate; triphenylphosphine In 1,4-dioxane; 2,4-dichlorophenoxyacetic acid dimethylamine at 120℃; for 0.666667h; Inert atmosphere; Microwave irradiation; Sealed vessel;
71%
oxirane
75-21-8

oxirane

2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

2-(2-Hydroxyethyl)-3-pyridazone
74316-72-6

2-(2-Hydroxyethyl)-3-pyridazone

Conditions
ConditionsYield
With sodium methylate In methanol; N,N-dimethyl-formamide at 90℃; for 4h;70%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

4-chlorobutyl bromide
6940-78-9

4-chlorobutyl bromide

2-(4-chlorobutyl)-pyridazin-3(2H)-one

2-(4-chlorobutyl)-pyridazin-3(2H)-one

Conditions
ConditionsYield
With potassium carbonate In acetone Alkylation; Heating;70%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

Ethyl 3-bromopropionate
539-74-2

Ethyl 3-bromopropionate

ethyl 3-[pyridazin-3(2H)-one-2-yl]-propionate
73535-75-8

ethyl 3-[pyridazin-3(2H)-one-2-yl]-propionate

Conditions
ConditionsYield
With potassium carbonate In acetone for 24h; Heating;70%
2H-Pyridazin-3-one
504-30-3

2H-Pyridazin-3-one

2-bromo-6-iodo-naphthalene
389806-32-0

2-bromo-6-iodo-naphthalene

2-(6-bromo-naphthalen-2-yl)-2H-pyridazin-3-one

2-(6-bromo-naphthalen-2-yl)-2H-pyridazin-3-one

Conditions
ConditionsYield
With copper(II) 7-n-propyl-8-hydroxyquinolinate; potassium carbonate In N,N-dimethyl-formamide at 100℃; for 20h;70%

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