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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% Telatinib 332012-40-5 GMP Manufacturer

Cas:332012-40-5

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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

TELATINIB (BAY 57-9352)

Cas:332012-40-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

Telatinib

Cas:332012-40-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Factory direct supply CAS 332012-40-5 with best quality

Cas:332012-40-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

Telatinib CAS:332012-40-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates,

Telatinib CAS:332012-40-5

Cas:332012-40-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Telatinib

Cas:332012-40-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Taizhou Crene Biotechnology co.ltd

Our company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-

Telatinib 332012-40-5

Cas:332012-40-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

Telatinib

Cas:332012-40-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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,

Telatinib

Cas:332012-40-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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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

Telatinib

Cas:332012-40-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

332012-40-5 CAS NO.332012-40-5

Cas:332012-40-5

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

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

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Other

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SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in custom synthe

SAGECHEM/Telatinib (BAY 57-9352)/SAGECHEM/Manufacturer in China

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hubei Vanz Pharm Co.,Ltd

ISO Factory/Good qualityAppearance:off white Storage:dry and cool place Package:10G/BAG; 1KG/BAG ;25KG/DRUM Application:Active pharaceutical ingredients Transportation:BY SEA,AIR,EXPRESS Port:shenzhen/shanghai

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Manufacturers

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Sinoway Industrial Co., Ltd.

Why is SINOWAY:1) Specialized in pharmaceutical and healthcare industrial since 19872) ISO 9001:2015 & SGS audited supplier . 3) Accept various payment terms : T.T 30-60 days.4) We have warehouse in USA with quickly shipment . Application:API

99% up by HPLC Telatinib 332012-40-5

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

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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

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Manufacturers

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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.

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Guangdong Juda Chemical Industrial Co.,Limited

Factory supply high purity low priceAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China

Telatinib CAS No.332012-40-5

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

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Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

332012-40-5

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

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Hangzhou Fandachem Co.,Ltd

332012-40-5 TelatinibAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

332012-40-5 Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Other

inquiry

BOC Sciences

BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds. Package:

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Chemsigma International Co.,Ltd.

bulk?production Application:Pharmaceutical intermediates

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

NUTROCHEM- MANUFACTURE PLACE

best seller Application:API

Telatinib

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

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

Telatinib

Cas:332012-40-5

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

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

Telatinibwith factory price

Cas:332012-40-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

Telatinib

Cas:332012-40-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei youze Biotechnology Co.,Ltd

1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment terms accepted (Btc;MoneyGram;WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery (3-10 DAYS fast deli

Telatinib CAS:332012-40-5 the cheapest price

Cas:332012-40-5

Min.Order:1 Kilogram

FOB Price: $20.0 / 22.0

Type:Trading Company

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Synthetic route

4-(hydroxymethyl)-N-methylpyridine-2-carboxamide
332013-43-1

4-(hydroxymethyl)-N-methylpyridine-2-carboxamide

4-chloroanilino-7-chlorofuro[2,3-d]pyridazine
332013-40-8

4-chloroanilino-7-chlorofuro[2,3-d]pyridazine

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
With potassium hydroxide; 18-crown-6 ether In toluene at 83 - 87℃; Product distribution / selectivity;46%
With potassium hydroxide; 18-crown-6 ether In toluene at 20 - 85℃;46%
4-(hydroxymethyl)-N-methylpyridine-2-carboxamide
332013-43-1

4-(hydroxymethyl)-N-methylpyridine-2-carboxamide

4-chloro-7-[N-(4-chlorophenyl)amino]-[2,3-d]furopyridazine
332013-41-9

4-chloro-7-[N-(4-chlorophenyl)amino]-[2,3-d]furopyridazine

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
With potassium hydroxide; 18-crown-6 ether In toluene at 20 - 87℃; Product distribution / selectivity;46%
Stage #1: 4-(hydroxymethyl)-N-methylpyridine-2-carboxamide; 4-chloro-7-[N-(4-chlorophenyl)amino]-[2,3-d]furopyridazine; 18-crown-6 ether In toluene at 20℃; for 0.166667h;
Stage #2: With potassium hydroxide In toluene at 80℃; for 24h; Product distribution / selectivity;
4-chloroanilino-7-chlorofuro[2,3-d]pyridazine
332013-40-8

4-chloroanilino-7-chlorofuro[2,3-d]pyridazine

2-methylaminocarbonyl-4-pyridylcarbinol hydrochloride
1182334-19-5

2-methylaminocarbonyl-4-pyridylcarbinol hydrochloride

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; toluene at 95℃; for 24h; Temperature; Time; Autoclave;37.7%
N-Methylformamide
123-39-7

N-Methylformamide

N-(4-chlorophenyl)-7-(4-pyridinylmethoxy)-furo[2,3-d]pyridazin-4-amine

N-(4-chlorophenyl)-7-(4-pyridinylmethoxy)-furo[2,3-d]pyridazin-4-amine

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
With sulfuric acid; hydroxylamine-O-sulfonic acid; iron(II) sulfate In water at 20℃; for 1.83333h; Product distribution / selectivity;A 15.2%
B n/a
Stage #1: N-Methylformamide; N-(4-chlorophenyl)-7-(4-pyridinylmethoxy)-furo[2,3-d]pyridazin-4-amine With sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid In water at 20℃; for 1.83333h;
Stage #2: With sodium citrate In water at 0℃; for 0.166667h; Product distribution / selectivity;
A 15.2%
B n/a
With sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid In water at 20℃; for 1.66667h;A 15.2%
B n/a
ethyl 2-methylaminocarbonyl-4-picolinate
332013-42-0

ethyl 2-methylaminocarbonyl-4-picolinate

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: sodium tetrahydroborate / isopropyl alcohol; methanol / 8 h / 25 °C / Large scale
1.2: 1 h / 0 °C / Large scale
2.1: potassium tert-butylate / toluene; tetrahydrofuran / 24 h / 95 °C / Autoclave
View Scheme
Multi-step reaction with 2 steps
1.1: sodium tetrahydroborate / ethanol / 18 h / 20 °C
1.3: pH 9
2.1: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 2 steps
1: sodium tetrahydroborate / ethanol / 18 h / 20 °C
2: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
4,7-dichlorofuro[2,3-d]pyridazine
13177-70-3

4,7-dichlorofuro[2,3-d]pyridazine

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: ethanol / 4 h / Heating / reflux
2: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 2 steps
1: ethanol / 4 h / Heating / reflux
2: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
4,7-dichlorofuro[2,3-d]pyridazine
13177-70-3

4,7-dichlorofuro[2,3-d]pyridazine

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: ethanol / 4 h / Heating / reflux
2.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
3.1: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.83 h / 20 °C
3.2: 0.17 h / 0 °C
View Scheme
Multi-step reaction with 3 steps
1: ethanol / 4 h / Heating / reflux
2: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
3: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
isonicotinic acid ethylester
1570-45-2

isonicotinic acid ethylester

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: sulfuric acid; dihydrogen peroxide; iron(II) sulfate / water / 0.5 h / 6 - 22 °C
1.2: pH ~ 5
2.1: sodium tetrahydroborate / ethanol / 18 h / 20 °C
2.3: pH 9
3.1: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 3 steps
1: sulfuric acid; dihydrogen peroxide; iron(II) sulfate / water / 0.5 h / 6 - 22 °C
2: sodium tetrahydroborate / ethanol / 18 h / 20 °C
3: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
furan-2,3-dicarboxylic acid
4282-24-0

furan-2,3-dicarboxylic acid

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: chloro-trimethyl-silane / 15.5 h / 20 °C
2.1: ethanol; water; hydrazine / 5.5 h / Heating / reflux
2.2: 4 h / Heating / reflux
3.1: pyridine; trichlorophosphate / 4 h / Heating / reflux
4.1: ethanol / 4 h / Heating / reflux
5.1: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 5 steps
1: chloro-trimethyl-silane / 15.5 h / 20 °C
2: hydrazine / ethanol / 5.5 h / Heating / reflux
3: pyridine; trichlorophosphate / 4 h / Heating / reflux
4: ethanol / 4 h / Heating / reflux
5: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
furan-2,3-dicarboxylic acid
4282-24-0

furan-2,3-dicarboxylic acid

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1.1: chloro-trimethyl-silane / 15.5 h / 20 °C
2.1: ethanol; water; hydrazine / 5.5 h / Heating / reflux
2.2: 4 h / Heating / reflux
3.1: pyridine; trichlorophosphate / 4 h / Heating / reflux
4.1: ethanol / 4 h / Heating / reflux
5.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
6.1: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.83 h / 20 °C
6.2: 0.17 h / 0 °C
View Scheme
Multi-step reaction with 6 steps
1: chloro-trimethyl-silane / 15.5 h / 20 °C
2: hydrazine / ethanol / 5.5 h / Heating / reflux
3: pyridine; trichlorophosphate / 4 h / Heating / reflux
4: ethanol / 4 h / Heating / reflux
5: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
6: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
4-chloroanilino-7-chlorofuro[2,3-d]pyridazine
332013-40-8

4-chloroanilino-7-chlorofuro[2,3-d]pyridazine

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
2.1: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.83 h / 20 °C
2.2: 0.17 h / 0 °C
View Scheme
Multi-step reaction with 2 steps
1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
2: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
methyl 3-methoxycarbonylfuran-2-carboxylate
52900-79-5

methyl 3-methoxycarbonylfuran-2-carboxylate

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: ethanol; water; hydrazine / 5.5 h / Heating / reflux
1.2: 4 h / Heating / reflux
2.1: pyridine; trichlorophosphate / 4 h / Heating / reflux
3.1: ethanol / 4 h / Heating / reflux
4.1: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 4 steps
1: hydrazine / ethanol / 5.5 h / Heating / reflux
2: pyridine; trichlorophosphate / 4 h / Heating / reflux
3: ethanol / 4 h / Heating / reflux
4: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
methyl 3-methoxycarbonylfuran-2-carboxylate
52900-79-5

methyl 3-methoxycarbonylfuran-2-carboxylate

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1.1: ethanol; water; hydrazine / 5.5 h / Heating / reflux
1.2: 4 h / Heating / reflux
2.1: pyridine; trichlorophosphate / 4 h / Heating / reflux
3.1: ethanol / 4 h / Heating / reflux
4.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
5.1: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.83 h / 20 °C
5.2: 0.17 h / 0 °C
View Scheme
Multi-step reaction with 5 steps
1: hydrazine / ethanol / 5.5 h / Heating / reflux
2: pyridine; trichlorophosphate / 4 h / Heating / reflux
3: ethanol / 4 h / Heating / reflux
4: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
5: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
5,6-dihydrofuro[2,3-d]pyridazine-4,7-dione
13177-71-4

5,6-dihydrofuro[2,3-d]pyridazine-4,7-dione

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: pyridine; trichlorophosphate / 4 h / Heating / reflux
2: ethanol / 4 h / Heating / reflux
3: potassium hydroxide; 18-crown-6 ether / toluene / 83 - 87 °C
View Scheme
Multi-step reaction with 3 steps
1: pyridine; trichlorophosphate / 4 h / Heating / reflux
2: ethanol / 4 h / Heating / reflux
3: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
5,6-dihydrofuro[2,3-d]pyridazine-4,7-dione
13177-71-4

5,6-dihydrofuro[2,3-d]pyridazine-4,7-dione

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1.1: pyridine; trichlorophosphate / 4 h / Heating / reflux
2.1: ethanol / 4 h / Heating / reflux
3.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
4.1: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.83 h / 20 °C
4.2: 0.17 h / 0 °C
View Scheme
Multi-step reaction with 4 steps
1: pyridine; trichlorophosphate / 4 h / Heating / reflux
2: ethanol / 4 h / Heating / reflux
3: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
4: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
3-Furoic acid
488-93-7

3-Furoic acid

Telatinib
332012-40-5

Telatinib

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: n-butyllithium / tetrahydrofuran; hexanes / 2.5 h / -78 - -10 °C
2: chloro-trimethyl-silane / 15.5 h / 20 °C
3: hydrazine / ethanol / 5.5 h / Heating / reflux
4: pyridine; trichlorophosphate / 4 h / Heating / reflux
5: ethanol / 4 h / Heating / reflux
6: potassium hydroxide; 18-crown-6 ether / toluene / 20 - 85 °C
View Scheme
3-Furoic acid
488-93-7

3-Furoic acid

A

Telatinib
332012-40-5

Telatinib

B

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine
332012-41-6

4-(4-chlorophenylamino)-2-methylaminocarbonyl-7-(2-methylaminocarbonyl-4-pyridylmethoxy)-furo[2,3-d]pyridazine

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: n-butyllithium / tetrahydrofuran; hexanes / 2.5 h / -78 - -10 °C
2: chloro-trimethyl-silane / 15.5 h / 20 °C
3: hydrazine / ethanol / 5.5 h / Heating / reflux
4: pyridine; trichlorophosphate / 4 h / Heating / reflux
5: ethanol / 4 h / Heating / reflux
6: 1,8-diazabicyclo[5.4.0]undec-7-ene / 24 h / 125 °C
7: sulfuric acid; iron(II) sulfate; hydroxylamine-O-sulfonic acid / water / 1.67 h / 20 °C
View Scheme
Telatinib
332012-40-5

Telatinib

methanesulfonic acid
75-75-2

methanesulfonic acid

4-[({4-[(4-chlorophenyl)amino]furan[2,3-d]pyridazin-7-yl}oxy)methyl]-N-methyl-2-pyridinecarboxamide methanesulfonate
332013-26-0

4-[({4-[(4-chlorophenyl)amino]furan[2,3-d]pyridazin-7-yl}oxy)methyl]-N-methyl-2-pyridinecarboxamide methanesulfonate

Conditions
ConditionsYield
In methanol for 0.25h; Autoclave; Reflux; Large scale;77.4%
Telatinib
332012-40-5

Telatinib

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

4-[({4-[(4-chlorophenyl)amino]furo[2,3-d]pyridazin-7-yl}oxy)methyl]-N-methyl-2-pyridinecarboxamide 4-methylbenzenesulfonate
332013-24-8

4-[({4-[(4-chlorophenyl)amino]furo[2,3-d]pyridazin-7-yl}oxy)methyl]-N-methyl-2-pyridinecarboxamide 4-methylbenzenesulfonate

Conditions
ConditionsYield
In methanol; diethyl ether for 0.166667h;
Stage #1: Telatinib; toluene-4-sulfonic acid In methanol for 0.0833333h;
Stage #2: In methanol; diethyl ether at 0℃; for 0.833333h;
In methanol; diethyl ether at 0℃; for 0.916667h;

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