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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

Pharmaceutical Grade CAS 60170-83-4 with competitive price

Cas:60170-83-4

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Dayang Chem (Hangzhou) Co.,Ltd.

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

PYRIDAZINE-3-CARBALDEHYDE

Cas:60170-83-4

Min.Order:0

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Qingdao Beluga Import and Export Co., LTD

3-PYRIDAZINECARBALDEHYDE,97% CAS:60170-83-4 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

3-PYRIDAZINECARBALDEHYDE,97% CAS:60170-83-4

Cas:60170-83-4

Min.Order:1 Gram

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

Min.Order:1 Kilogram

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

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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

3-Pyridazinecarbaldehyde

Cas:60170-83-4

Min.Order:4 Kilogram

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

Min.Order:10 Gram

FOB Price: $100.0

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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-PYRIDAZINECARBALDEHYDE,97%

Cas:60170-83-4

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Hunan chemfish Pharmaceutical co.,Ltd

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

3-Pyridazinecarboxaldehyde

Cas:60170-83-4

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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

pyridazine-3-carbaldehyde

Cas:60170-83-4

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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-Pyridazinecarbaldehyde

Cas:60170-83-4

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

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Henan Tianfu Chemical Co., Ltd.

1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.

Pyridazine-3-carbaldehyde

Cas:60170-83-4

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Nanjing Fred Technology Co.,Ltd.

Fredchem focus on CRO/CMO business and its own R&D of API/Intermediates Package:Kilograms/MT Application:Pharmaceutical field Transportation:According to customer request Port:Shanghai

3-pyridazinecarbaldehyde

Cas:60170-83-4

Min.Order:0

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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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

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Hangzhou Fandachem Co.,Ltd

3-CARBALDEHYDEPYRIDAZINEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:pharmaceutical intermediate Transportation:by air, by sea, by express

3-CARBALDEHYDEPYRIDAZINE

Cas:60170-83-4

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Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

3-PYRIDAZINECARBALDEHYDE,97%

Cas:60170-83-4

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SAGECHEM LIMITED

60170-83-4 Application:intermediate

pyridazine-3-carbaldehyde

Cas:60170-83-4

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Chemlyte Solutions

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

Pyridazine-3-carbaldehyde

Cas:60170-83-4

Min.Order:0

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Type:Other

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Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

60170-83-4

Cas:60170-83-4

Min.Order:0

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Hunan Russell Chemicals Technology Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

3-Pyridazinecarboxaldehyde 60170-83-4

Cas:60170-83-4

Min.Order:0

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ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

3-PYRIDAZINECARBALDEHYDE,97%

Cas:60170-83-4

Min.Order:0

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Type:Trading Company

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LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

3-Pyridazine carboxaldehyde

Cas:60170-83-4

Min.Order:0

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Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

3-Pyridazinecarboxaldehyde

Cas:60170-83-4

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

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Hebei Luspharm Trading Co.,Ltd

Our strength We have clients throughout the world: Professional service and rich experience make customers feel at ease, adequate stock and fast delivery meet your desire. Our Laboratoy We have our own independent lab test center: This ma

3-PYRIDAZINECARBALDEHYDE,97%

Cas:60170-83-4

Min.Order:1 Kilogram

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Type:Trading Company

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Wuhan Sun-shine Bio-technology Corporation Limited

Wuhan Sun-shine Bio-technology Corporation Limited is specializing in the anticancer, antitumor,heart head blood-vessel,pharmaceutical intermediates,fine Chemicals production and customization. Company has strong ability of research and development

3-Pyridazinecarbaldehyde

Cas:60170-83-4

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Changzhou Extraordinary Pharmatech co.,LTD

Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa

Pyridazine-3-carbaldehyde

Cas:60170-83-4

Min.Order:1 Gram

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suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

3-Pyridazinecarbaldehyde

Cas:60170-83-4

Min.Order:1 Gram

Negotiable

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Wuhan New-Rise Biochem Co,. Ltd

Application: It is an important raw material and in... DeliveryTime: prompt PackAge: according to the clients requirement Port: Shanghai ProductionCapacity: 1-10 Metric Ton/Month Purity: 99.8% Storage: Sto

3-PYRIDAZINECARBALDEHYDE,97%

Cas:60170-83-4

Min.Order:1 Gram

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Synthetic route

3-(2-phenylethenyl)pyridazine
1135-31-5

3-(2-phenylethenyl)pyridazine

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Conditions
ConditionsYield
With sodium periodate; osmium(VIII) oxide In water; acetone; tert-butyl alcohol at 20℃; for 48h;81%
3-hydroxymethylpyridazine
37444-46-5

3-hydroxymethylpyridazine

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Conditions
ConditionsYield
With selenium(IV) oxide In 1,4-dioxane for 2h; Heating;52%
With manganese(IV) oxide In 1,2-dichloro-ethane at 70℃; for 4h;
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

4-methylthiosemicarbazide
6610-29-3

4-methylthiosemicarbazide

C7H9N5S
142564-65-6

C7H9N5S

Conditions
ConditionsYield
In methanol Heating;95%
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

4-(2-pyridylmethyl)thiosemicarbazide
142564-64-5

4-(2-pyridylmethyl)thiosemicarbazide

C12H12N6S
142564-67-8

C12H12N6S

Conditions
ConditionsYield
In methanol Heating;94%
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

pyridazine-3-carbaldehyde oxime
52348-44-4

pyridazine-3-carbaldehyde oxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; potassium carbonate In ethanol; water standing overnight in refrigerator;89%
With hydroxylamine hydrochloride; potassium carbonate In ethanol at 80℃; for 2h;52%
(E)-(2-nitrovinyl)cyclohexane
50598-92-0, 132839-80-6

(E)-(2-nitrovinyl)cyclohexane

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

(S)-2-cyclohexyl-3-nitro-1-(pyridazin-3-yl)propan-1-one
1175052-24-0

(S)-2-cyclohexyl-3-nitro-1-(pyridazin-3-yl)propan-1-one

Conditions
ConditionsYield
With (5R,7R)-7-fluoro-5-isopropyl-2-(perfluorophenyl)-6,7-dihydro-5H-pyrrolo[2,1c][1,2,4]triazol-2-ium tetrafluoroborate; N-ethyl-N,N-diisopropylamine In methanol at 0℃; Stetter reaction; Inert atmosphere; optical yield given as %ee; enantioselective reaction;88%
(E)-methyl 3-cyanoacrylate
925-56-4

(E)-methyl 3-cyanoacrylate

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Methyl 3-(3-Pyridazinyl)-2-cyanoacrylate
130823-22-2

Methyl 3-(3-Pyridazinyl)-2-cyanoacrylate

Conditions
ConditionsYield
triethylamine In methanol 50-60 deg C, 30 seconds, then r.t., 2h;87%
azepane-1-carbothioic acid hydrazide
6507-37-5

azepane-1-carbothioic acid hydrazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Azepane-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Azepane-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Heating;86%
pyrrolidine-1-carbothioic acid hydrazide
6499-14-5

pyrrolidine-1-carbothioic acid hydrazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Pyrrolidine-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Pyrrolidine-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Heating;86%
piperidine-1-carbothioic acid hydrazide
21198-50-5

piperidine-1-carbothioic acid hydrazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Piperidine-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Piperidine-1-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Heating;85%
hydrazinecarbodithioic acid methyl ester
5397-03-5

hydrazinecarbodithioic acid methyl ester

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

N'-[1-Pyridazin-3-yl-meth-(E)-ylidene]-hydrazinecarbodithioic acid methyl ester

N'-[1-Pyridazin-3-yl-meth-(E)-ylidene]-hydrazinecarbodithioic acid methyl ester

Conditions
ConditionsYield
In isopropyl alcohol at 65 - 70℃; for 1h;85%
1,1,1,3,3,3-hexafluoropropan-2-yl 2,8-diazaspiro[4.5]decane-8-carboxylate

1,1,1,3,3,3-hexafluoropropan-2-yl 2,8-diazaspiro[4.5]decane-8-carboxylate

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

1,1,1,3,3,3-hexafluoropropan-2-yl 2-(pyridazin-3-ylmethyl)-2,8-diazaspiro[4.5]decane-8-carboxylate

1,1,1,3,3,3-hexafluoropropan-2-yl 2-(pyridazin-3-ylmethyl)-2,8-diazaspiro[4.5]decane-8-carboxylate

Conditions
ConditionsYield
With triethylamine In dichloromethane at 20℃; for 1h;79%
4-allyl-3-thiosemicarbazide
3766-55-0

4-allyl-3-thiosemicarbazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

C9H11N5S
142564-66-7

C9H11N5S

Conditions
ConditionsYield
In methanol Heating;74%
(S)-{cyclopropyl[4-(difluoromethoxy)phenyl]methyl}amine
1213315-68-4

(S)-{cyclopropyl[4-(difluoromethoxy)phenyl]methyl}amine

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

[(R)-cyclopropyl-(4-difluoromethoxyphenyl)methyl]pyridazin-3-ylmethylarnine
1414778-35-0

[(R)-cyclopropyl-(4-difluoromethoxyphenyl)methyl]pyridazin-3-ylmethylarnine

Conditions
ConditionsYield
Stage #1: (S)-{cyclopropyl[4-(difluoromethoxy)phenyl]methyl}amine; pyridazine-3 carboxaldehyde With sodium tris(acetoxy)borohydride; acetic acid In 1,2-dichloro-ethane at 20 - 35℃; Inert atmosphere;
Stage #2: With potassium carbonate In water; 1,2-dichloro-ethane
73%
3-azabicyclo<3.2.2>nonane-3-thiocarboxylic acid hydrazide
95836-54-7

3-azabicyclo<3.2.2>nonane-3-thiocarboxylic acid hydrazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

3-Aza-bicyclo[3.2.2]nonane-3-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

3-Aza-bicyclo[3.2.2]nonane-3-carbothioic acid [1-pyridazin-3-yl-meth-(E)-ylidene]-hydrazide

Conditions
ConditionsYield
With acetic acid In methanol for 2h; Heating;72%
C12H10ClF3IN3O5S

C12H10ClF3IN3O5S

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

(6-chloropyridin-3-yl)(pyridazin-3-yl)methanone
1426083-00-2

(6-chloropyridin-3-yl)(pyridazin-3-yl)methanone

Conditions
ConditionsYield
With 2-pentafluorophenyl-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate; dmap; water In dichloromethane at -40℃; for 16h; Inert atmosphere;63%
1H-indene-1,3(2H)-dione
606-23-5

1H-indene-1,3(2H)-dione

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

2-[(1,3-Dihydroxy-inden-2-ylidene)-pyridazin-3-yl-methyl]-3-hydroxy-inden-1-one

2-[(1,3-Dihydroxy-inden-2-ylidene)-pyridazin-3-yl-methyl]-3-hydroxy-inden-1-one

Conditions
ConditionsYield
With piperidine In methanol for 1.5h; Heating;62%
4,4-dimethylthiosemicarbazide
6926-58-5

4,4-dimethylthiosemicarbazide

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

C8H11N5S
142564-68-9

C8H11N5S

Conditions
ConditionsYield
In methanol Heating;60%
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

(triphenylphosphoranylidene)acetaldehyde
2136-75-6

(triphenylphosphoranylidene)acetaldehyde

3-(3-Pirydazinyl)-propenal
81398-14-3

3-(3-Pirydazinyl)-propenal

Conditions
ConditionsYield
In benzene at 5℃; for 2h;59%
Methyl diethylphosphonoacetate
1067-74-9

Methyl diethylphosphonoacetate

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

(E)-3-pyridazin-3-yl-acrylic acid methyl ester

(E)-3-pyridazin-3-yl-acrylic acid methyl ester

Conditions
ConditionsYield
Stage #1: Methyl diethylphosphonoacetate With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h; Inert atmosphere;
Stage #2: pyridazine-3 carboxaldehyde In tetrahydrofuran; mineral oil at 0℃; for 1.5h;
57%
diethoxyphosphoryl-acetic acid ethyl ester
867-13-0

diethoxyphosphoryl-acetic acid ethyl ester

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

ethyl (E)-3-(pyridazin-3-yl)acrylate
130823-25-5

ethyl (E)-3-(pyridazin-3-yl)acrylate

Conditions
ConditionsYield
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: pyridazine-3 carboxaldehyde In tetrahydrofuran; mineral oil at 0 - 20℃; for 1h;
50.97%
Stage #1: diethoxyphosphoryl-acetic acid ethyl ester With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.5h;
Stage #2: pyridazine-3 carboxaldehyde In tetrahydrofuran; mineral oil at 20℃; for 1h;
50.97%
With sodium hydride; N,N-dimethyl-formamide at 60℃; for 4h;44%
acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Dimethyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate
130823-27-7

Dimethyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With ammonium hydroxide In methanol for 1h; Heating;49%
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Dimethyl malonate
130823-24-4

Dimethyl malonate

Conditions
ConditionsYield
diethylamine In methanol at -10℃; for 5h;45%
1-(2-hydroxyethyl)piperazine
103-76-4

1-(2-hydroxyethyl)piperazine

2-thioxo-4-thiazolidinone
141-84-4

2-thioxo-4-thiazolidinone

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

C14H17N5O2S

C14H17N5O2S

Conditions
ConditionsYield
With acetic acid In methanol for 4h; Reflux; Inert atmosphere;37.1%
pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

malonic acid dimethyl ester
108-59-8

malonic acid dimethyl ester

Dimethyl (3-Pyridazinylmethylene)malonate
130823-23-3

Dimethyl (3-Pyridazinylmethylene)malonate

Conditions
ConditionsYield
diethylamine In dichloromethane for 10h; Ambient temperature;30%
isopropyl acetoacetate
542-08-5

isopropyl acetoacetate

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Diisopropyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate
130823-31-3

Diisopropyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With ammonium hydroxide In methanol for 12h; Heating;28%
malonic acid
141-82-2

malonic acid

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

(E)-3-(pyridazin-3-yl)acrylic acid
123530-64-3

(E)-3-(pyridazin-3-yl)acrylic acid

Conditions
ConditionsYield
With pyridine at 80℃; for 2h;27%
C11H10F3IN2O5S

C11H10F3IN2O5S

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

ethyl 5-(pyridazin-3-yl)-1,3,4-oxadiazole-2-carboxylate

ethyl 5-(pyridazin-3-yl)-1,3,4-oxadiazole-2-carboxylate

Conditions
ConditionsYield
Stage #1: C11H10F3IN2O5S; pyridazine-3 carboxaldehyde With 2-pentafluorophenyl-6,7-dihydro-5H-pyrrolo[2,1-c][1,2,4]triazol-2-ium tetrafluoroborate; tert-butyl alcohol In 1,2-dichloro-ethane at 0℃; for 0.0833333h; Schlenk technique; Sealed tube; Inert atmosphere;
Stage #2: With N,N,N,N,-tetramethylethylenediamine In 1,2-dichloro-ethane at 0℃; for 10h; Schlenk technique; Sealed tube; Inert atmosphere;
26%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Diethyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate
130823-30-2

Diethyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
With ammonium hydroxide In methanol for 1h; Heating;22%
ethyl aminocrotonate
626-34-6, 7318-00-5, 41867-20-3

ethyl aminocrotonate

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

pyridazine-3 carboxaldehyde
60170-83-4

pyridazine-3 carboxaldehyde

Ethyl Methyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate
130823-32-4

Ethyl Methyl 2,6-Dimethyl-4-(3-pyridazinyl)-1,4-dihydropyridine-3,5-dicarboxylate

Conditions
ConditionsYield
1) EtOH, reflux, 10 min, 2) EtOH, reflux, 2.5h; Yield given. Multistep reaction;

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