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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

Pyridazin-3-amine

Cas:5469-70-5

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 3-Aminopyridazine supplier in China

Cas:5469-70-5

Min.Order:0 Metric Ton

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 3-Aminopyridazine

Cas:5469-70-5

Min.Order:1

Negotiable

Type:Other

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

3-Aminopyridazine

Cas:5469-70-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 3-Aminopyridazine CAS No. 5469-70-5

3-Aminopyridazine

Cas:5469-70-5

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

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

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:1 Kilogram

FOB Price: $2.0 / 10.0

Type:Trading Company

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 5469-70-5 with competitive price

Cas:5469-70-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Wuhan Han Sheng New Material Technology Co.,Ltd

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

Hot Sell Factory Supply Raw Material Pyridazin-3-amine CAS 5469-70-5

Cas:5469-70-5

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:1 Gram

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 prese

Pharmaceutical Intermediate, Pyridazin-3-amine CAS:5469-70-5

Cas:5469-70-5

Min.Order:1 Kilogram

FOB Price: $13.0 / 16.0

Type:Trading Company

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

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:0

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

pyridazin-3-amine

Cas:5469-70-5

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

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:0

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,

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: Pyridazin-3-amine Synonyms: 3-AMINOPYRIDAZINE,98.0+%(GC)(T);pyridazin-3-amine hydrochloride;Pyridazin-2-amine;Pyridazin-3-aMine/3-AMinopyridazine;Pyridazin-3-amine, 3-Amino-1,2-diazine;Pyridazin-3-ylamine;PYRIDAZIN-3-AMINE;3-AMINO

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as

3-Aminopyridazine

Cas:5469-70-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:0

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

Pyridazine, 3-bromo- (9CI) from China

Cas:5469-70-5

Min.Order:0

Negotiable

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

pyridazin-3-amine

Cas:5469-70-5

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-Aminopyridazine cas no. 5469-70-5 98%

Cas:5469-70-5

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-Aminopyridazine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

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

Pyridazin-3-ylamine

Cas:5469-70-5

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

3-Aminopyridazine

Cas:5469-70-5

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Acmec Biochemical Technology Co., Ltd.

Acmec is a leading manufacturer and supplier of biochemical reagents and life science products. We have over 40,000 items in stock (real-time inventory) and offer discounted prices to registered members of the online store ( www.acmec.com.cn ) Appea

Acmec 3-Aminopyridazine 100g

Cas:5469-70-5

Min.Order:1 bottle

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3-AMinopyridazine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

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

3-Aminopyridazine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

3-Aminopyridazine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

best price high quality Storage:Room Temperature Application:For pharmacy chemical Transportation:by sea,air

Pyridazin-3-amine

Cas:5469-70-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

6-chloro-pyridazin-3-ylamine
5469-69-2

6-chloro-pyridazin-3-ylamine

3-aminopyridazine
5469-70-5

3-aminopyridazine

Conditions
ConditionsYield
With sodium hydroxide; hydrogen; palladium 10% on activated carbon In tetrahydrofuran; water at 20℃; for 48h;100%
With palladium on activated charcoal; hydrogen; sodium hydroxide In ethanol at 20℃; under 760.051 Torr; for 20h;100%
With hydrogen; sodium hydroxide; palladium 10% on activated carbon In ethanol at 20℃; for 18h;99.5%
3-chloropyridazine
1120-95-2

3-chloropyridazine

3-aminopyridazine
5469-70-5

3-aminopyridazine

Conditions
ConditionsYield
With ammonium hydroxide In tetrahydrofuran at 150℃; for 36h;50%
With ammonia at 180℃; under 117681 Torr;
With methanol; ammonia at 175℃;
With ethanol; ammonia at 175℃;
6-bromopyridazin-3-amine
88497-27-2

6-bromopyridazin-3-amine

3-aminopyridazine
5469-70-5

3-aminopyridazine

Conditions
ConditionsYield
With sodium hydroxide; palladium on activated charcoal Hydrogenation;
3-hydrazinyl pyridazine
40972-16-5

3-hydrazinyl pyridazine

3-aminopyridazine
5469-70-5

3-aminopyridazine

Conditions
ConditionsYield
With hydrogen; nickel for 2.5h;
9-tert-butylfluorene
17114-78-2

9-tert-butylfluorene

C4H4N3(1-)*K(1+)

C4H4N3(1-)*K(1+)

A

3-aminopyridazine
5469-70-5

3-aminopyridazine

B

potassium salt of 9-tert-butylfluorene
106358-48-9

potassium salt of 9-tert-butylfluorene

Conditions
ConditionsYield
In dimethyl sulfoxide at 24.9℃; Equilibrium constant;
4-aminopyridazine
20744-39-2

4-aminopyridazine

3-aminopyridazine
5469-70-5

3-aminopyridazine

Conditions
ConditionsYield
palladium on charcoal In sodium hydroxide; ethanol
3-aminopyridazine
5469-70-5

3-aminopyridazine

methyl 2-(4-(4-(4-(tert-butoxycarbonylamino)phenyl)thieno[3,2-d]pyrimidin-7-yl)phenyl)acetate
1421230-72-9

methyl 2-(4-(4-(4-(tert-butoxycarbonylamino)phenyl)thieno[3,2-d]pyrimidin-7-yl)phenyl)acetate

2-(4-(4-(4-(3-pyridazin-3-ylureido)phenyl)thieno[3,2-d]pyrimidin-7-yl)phenyl)acetic acid
1421230-37-6

2-(4-(4-(4-(3-pyridazin-3-ylureido)phenyl)thieno[3,2-d]pyrimidin-7-yl)phenyl)acetic acid

Conditions
ConditionsYield
Stage #1: 3-aminopyridazine; methyl 2-(4-(4-(4-(tert-butoxycarbonylamino)phenyl)thieno[3,2-d]pyrimidin-7-yl)phenyl)acetate With 4-Nitrophenyl chloroformate In 1,4-dioxane at 20℃;
Stage #2: With water In tetrahydrofuran; methanol
100%
3-aminopyridazine
5469-70-5

3-aminopyridazine

perfluorophenyl 1-(4-bromo-2-methoxyphenyl)-2-oxo-1,2-dihydroquinoline-6-sulfonate

perfluorophenyl 1-(4-bromo-2-methoxyphenyl)-2-oxo-1,2-dihydroquinoline-6-sulfonate

1-(4-bromo-2-methoxyphenyl)-2-oxo-N-(pyridazin-3-yl)-1,2-dihydroquinoline-6-sulfonamide

1-(4-bromo-2-methoxyphenyl)-2-oxo-N-(pyridazin-3-yl)-1,2-dihydroquinoline-6-sulfonamide

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran at 0℃; for 0.333333h;100%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloroethanal
107-20-0

2-chloroethanal

imidazo[1.2-b]pyridazine
766-55-2

imidazo[1.2-b]pyridazine

Conditions
ConditionsYield
at 70℃;100%
In water; ethyl acetate at 85℃; for 2h; Solvent; Temperature;
In methanol; water at 87℃; for 1h; Solvent; Temperature; Concentration;
3-aminopyridazine
5469-70-5

3-aminopyridazine

(5-bromo-pyridin-3-yl)-carbamic acid tert-butyl ester
361550-43-8

(5-bromo-pyridin-3-yl)-carbamic acid tert-butyl ester

tert-butyl (5-(pyridazin-3-ylamino)pyridin-3-yl)carbamate

tert-butyl (5-(pyridazin-3-ylamino)pyridin-3-yl)carbamate

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); dicyclohexyl-(2′,4′,6′-triisopropyl-3,6-dimethoxy-[1,1′-biphenyl]-2-yl)phosphine; caesium carbonate In 1,4-dioxane at 90℃; for 16h; Inert atmosphere;98%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2,3-dibromopyridine
13534-89-9

2,3-dibromopyridine

A

pyrido[3',2':4,5]imidazo[1,2-b]pyridazine

pyrido[3',2':4,5]imidazo[1,2-b]pyridazine

B

pyrido[2',3':4,5]imidazo[1,2-b]pyridazine

pyrido[2',3':4,5]imidazo[1,2-b]pyridazine

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,2-dimethoxyethane at 140℃; for 30h;A n/a
B 97%
3-aminopyridazine
5469-70-5

3-aminopyridazine

ortho-methylbenzoic acid
118-90-1

ortho-methylbenzoic acid

2-methyl-N-(pyridazin-3-yl)benzamide

2-methyl-N-(pyridazin-3-yl)benzamide

Conditions
ConditionsYield
Stage #1: ortho-methylbenzoic acid With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 0.166667h; Inert atmosphere;
Stage #2: 3-aminopyridazine With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 60℃; Inert atmosphere;
96%
3-aminopyridazine
5469-70-5

3-aminopyridazine

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

N,N-dimethyl-formamide dimethyl acetal

N,N-dimethyl-N'-pyridazin-3-yl-formamidine
35053-54-4

N,N-dimethyl-N'-pyridazin-3-yl-formamidine

Conditions
ConditionsYield
for 2h; Reflux;95%
In toluene at 20 - 85℃;91%
In toluene at 20 - 85℃;91%
In toluene for 2h; Heating;
In methanol at 45℃; for 6h; Solvent; Temperature;
3-aminopyridazine
5469-70-5

3-aminopyridazine

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

N,N-dimethyl-N'-pyridazin-3-yl-formamidine
35053-54-4

N,N-dimethyl-N'-pyridazin-3-yl-formamidine

Conditions
ConditionsYield
In N,N-dimethyl acetamide for 2h; Reflux;95%
3-aminopyridazine
5469-70-5

3-aminopyridazine

Methyl (Z)-2-<(benzyloxycarbonyl)amino>-3-dimethylaminopropenoate
219739-90-9

Methyl (Z)-2-<(benzyloxycarbonyl)amino>-3-dimethylaminopropenoate

3-<(Benzyloxycarbonyl)amino>-4H-pyrimido<1,2-b>pyridazin-4-one
225112-17-4

3-<(Benzyloxycarbonyl)amino>-4H-pyrimido<1,2-b>pyridazin-4-one

Conditions
ConditionsYield
With acetic acid for 6h; Reflux;93%
With sodium acetate; acetic acid 1.) reflux, 3.5 h, 2.) reflux, 4 h; Yield given; Multistep reaction;
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloro-3-iodo-quinoline
128676-85-7

2-chloro-3-iodo-quinoline

pyridazino[6',1':2,3]imidazo[4,5-b]quinoline

pyridazino[6',1':2,3]imidazo[4,5-b]quinoline

Conditions
ConditionsYield
With caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; palladium diacetate In toluene for 17h; Heating;93%
3-aminopyridazine
5469-70-5

3-aminopyridazine

1,1,1-trifluoro-N-(pyridin-2-yl)-N-((trifluoromethyl)-sulfonyl)methanesulfonamide
145100-50-1

1,1,1-trifluoro-N-(pyridin-2-yl)-N-((trifluoromethyl)-sulfonyl)methanesulfonamide

3-N'-monotrifluoromethanesulfonamidopyridazine

3-N'-monotrifluoromethanesulfonamidopyridazine

Conditions
ConditionsYield
In acetonitrile at 60℃; Inert atmosphere;90%
3-aminopyridazine
5469-70-5

3-aminopyridazine

phenyl chloroformate
1885-14-9

phenyl chloroformate

phenyl pyridazin-3-ylcarbamate
1020327-61-0

phenyl pyridazin-3-ylcarbamate

Conditions
ConditionsYield
With pyridine In acetonitrile at 0℃; for 1h;87%
With pyridine In acetonitrile at 0 - 20℃;74%
With pyridine In tetrahydrofuran; acetonitrile Product distribution / selectivity;70%
3-aminopyridazine
5469-70-5

3-aminopyridazine

methyl (Z)-2-benzoylamino-3-dimethylaminopropenoate
125008-68-6

methyl (Z)-2-benzoylamino-3-dimethylaminopropenoate

3-benzoylamino-4H-pyrimido[1,2-b]pyrdazin-4-one

3-benzoylamino-4H-pyrimido[1,2-b]pyrdazin-4-one

Conditions
ConditionsYield
With acetic acid for 4.5h; Condensation; Heating;86%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloro-6-methylphenyl isothiocyanate
19241-34-0

2-chloro-6-methylphenyl isothiocyanate

1-(2-Chloro-6-methyl-phenyl)-3-pyridazin-3-yl-thiourea

1-(2-Chloro-6-methyl-phenyl)-3-pyridazin-3-yl-thiourea

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide 1) 0 deg C to r.t., 2) r.t., 3 h;85%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2,3-dibromoquinoline
13721-00-1

2,3-dibromoquinoline

3-bromo-N-(pyridazin-3-yl)quinolin-2-amine

3-bromo-N-(pyridazin-3-yl)quinolin-2-amine

Conditions
ConditionsYield
With caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris(dibenzylideneacetone)dipalladium (0) In 1,2-dimethoxyethane for 7h; Heating;84%
3-aminopyridazine
5469-70-5

3-aminopyridazine

(P)-perfluorophenyl 1-(5-fluoro-2-methoxy-4-(3,3,3-trifluoropropyl)phenyl)-2-oxo-1,2-dihydroquinoline-6-sulfonate

(P)-perfluorophenyl 1-(5-fluoro-2-methoxy-4-(3,3,3-trifluoropropyl)phenyl)-2-oxo-1,2-dihydroquinoline-6-sulfonate

(P)-1-(5-fluoro-2-methoxy-4-(3,3,3-trifluoropropyl)phenyl)-2-oxo-N-(pyridazin-3-yl)-1,2-dihydroquinoline-6-sulfonamide

(P)-1-(5-fluoro-2-methoxy-4-(3,3,3-trifluoropropyl)phenyl)-2-oxo-N-(pyridazin-3-yl)-1,2-dihydroquinoline-6-sulfonamide

Conditions
ConditionsYield
With lithium hexamethyldisilazane In tetrahydrofuran; dimethyl sulfoxide for 0.25h; Cooling with ice;84%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2,6-dichlorobenzenesulfonyl chloride
6579-54-0

2,6-dichlorobenzenesulfonyl chloride

9-chlorobenzo[e]pyridazino[1,6-b][1,2,4]thiadiazine 10,10-dioxide

9-chlorobenzo[e]pyridazino[1,6-b][1,2,4]thiadiazine 10,10-dioxide

Conditions
ConditionsYield
Stage #1: 3-aminopyridazine; 2,6-dichlorobenzenesulfonyl chloride With potassium carbonate In acetonitrile at 20℃; for 10h;
Stage #2: With copper(l) iodide In acetonitrile at 80℃; for 3h; Ullmann Condensation; chemoselective reaction;
84%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloro-6-methylphenyl isocyanate
40398-01-4

2-chloro-6-methylphenyl isocyanate

1-(2-Chloro-6-methyl-phenyl)-3-pyridazin-3-yl-urea

1-(2-Chloro-6-methyl-phenyl)-3-pyridazin-3-yl-urea

Conditions
ConditionsYield
With sodium hydride In N,N-dimethyl-formamide 1) 0 deg C to r.t., 2) r.t., 3 h;83%
3-aminopyridazine
5469-70-5

3-aminopyridazine

[1,2,4]Oxadiazolo[2,3-b]pyridazine-2-thione
71344-17-7

[1,2,4]Oxadiazolo[2,3-b]pyridazine-2-thione

1,3-di(3-pyridazinyl)urea
71344-18-8

1,3-di(3-pyridazinyl)urea

Conditions
ConditionsYield
In dimethyl sulfoxide at 80 - 90℃; for 2h;82%
3-aminopyridazine
5469-70-5

3-aminopyridazine

dichlorobenzenesulfonyl chloride
82417-45-6

dichlorobenzenesulfonyl chloride

6-chlorobenzo[e]pyridazino[1,6-b][1,2,4]thiadiazine 10,10-dioxide

6-chlorobenzo[e]pyridazino[1,6-b][1,2,4]thiadiazine 10,10-dioxide

Conditions
ConditionsYield
Stage #1: 3-aminopyridazine; dichlorobenzenesulfonyl chloride With potassium carbonate In acetonitrile at 20℃; for 10h;
Stage #2: With copper(l) iodide In acetonitrile at 80℃; for 3h; Ullmann Condensation; chemoselective reaction;
82%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2,3-dibromopyridine
13534-89-9

2,3-dibromopyridine

N-(3-bromopyridin-2-yl)pyridazin-3-amine

N-(3-bromopyridin-2-yl)pyridazin-3-amine

Conditions
ConditionsYield
With tris(dibenzylideneacetone)dipalladium (0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,2-dimethoxyethane for 7h; Heating;81%
3-aminopyridazine
5469-70-5

3-aminopyridazine

3-(5-bromo-pyridin-2-yloxy)-azetidine-1-carboxylic acid 4-nitro-phenyl ester
1186234-54-7

3-(5-bromo-pyridin-2-yloxy)-azetidine-1-carboxylic acid 4-nitro-phenyl ester

3-(5-bromo-pyridin-2-yloxy)-azetidine-1-carboxylic acid pyridazin-3-ylamide
1186234-62-7

3-(5-bromo-pyridin-2-yloxy)-azetidine-1-carboxylic acid pyridazin-3-ylamide

Conditions
ConditionsYield
Stage #1: 3-aminopyridazine With sodium hydride In N,N-dimethyl-formamide; mineral oil Inert atmosphere; Cooling with ice;
Stage #2: 3-(5-bromo-pyridin-2-yloxy)-azetidine-1-carboxylic acid 4-nitro-phenyl ester In N,N-dimethyl-formamide; mineral oil at 20℃; Inert atmosphere; Cooling with ice;
80%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-iodopyrazine
32111-21-0

2-iodopyrazine

C8H7N5

C8H7N5

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 90℃; for 3h; Inert atmosphere;80%
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 90℃; for 3h; Inert atmosphere;80%
Stage #1: 3-aminopyridazine; 2-iodopyrazine With caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane for 0.166667h; Inert atmosphere;
Stage #2: With tris-(dibenzylideneacetone)dipalladium(0) In 1,4-dioxane at 90℃; for 3h;
80%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloro-3-(2-(methylthio)benzo[d]thiazol-6-yl)propanal

2-chloro-3-(2-(methylthio)benzo[d]thiazol-6-yl)propanal

6-(imidazo[1,2-b]pyridazin-3-ylmethyl)-2-(methylthio)benzo[d]thiazole

6-(imidazo[1,2-b]pyridazin-3-ylmethyl)-2-(methylthio)benzo[d]thiazole

Conditions
ConditionsYield
In butan-1-ol for 15h; Reflux;80%
3-aminopyridazine
5469-70-5

3-aminopyridazine

2-chloro-4,6-dimethoxy-1 ,3,5-triazine
3140-73-6

2-chloro-4,6-dimethoxy-1 ,3,5-triazine

(3S)-2-[(2R)-2-({formyl[(phenylmethyl)oxy]amino}methyl)heptanoyl]-1-{[(phenylmethyl)oxy]carbonyl}-3-pyrazolidinecarboxylic acid
1398752-89-0

(3S)-2-[(2R)-2-({formyl[(phenylmethyl)oxy]amino}methyl)heptanoyl]-1-{[(phenylmethyl)oxy]carbonyl}-3-pyrazolidinecarboxylic acid

Phenylmethyl (3S)-2-[(2R)-2-({formyl[(phenylmethyl)oxy]amino}methyl)heptanoyl]-3-[(3-pyridazinylamino)carbonyl]-1-pyrazolidinecarboxylate
1398753-00-8

Phenylmethyl (3S)-2-[(2R)-2-({formyl[(phenylmethyl)oxy]amino}methyl)heptanoyl]-3-[(3-pyridazinylamino)carbonyl]-1-pyrazolidinecarboxylate

Conditions
ConditionsYield
With 4-methyl-morpholine In acetonitrile79%
3-aminopyridazine
5469-70-5

3-aminopyridazine

C21H25FO3

C21H25FO3

3-((13S,15R)-3-fluoro-13-methyl-17-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-15-yl)-N-(pyridazin-3-yl)propanamide

3-((13S,15R)-3-fluoro-13-methyl-17-oxo-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthren-15-yl)-N-(pyridazin-3-yl)propanamide

Conditions
ConditionsYield
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In tetrahydrofuran at 50℃; for 3.5h;79%
With pyridine; triphenylphosphine In dichloromethane; ethyl acetate at 20℃; Inert atmosphere;

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