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Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

5-Bromo-1H-pyrazolo[3,4-b]pyridine Manufacturer/High quality/Best price/In stock

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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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 5-Bromo-1H-Pyrazo[3,4-B]Pyridine with high purity

Cas:875781-17-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply 5-Bromo-1H-pyrazolo[3,4-b]pyridine CAS 875781-17-2 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its i

Manufacturer supply 5-Bromo-1H-pyrazolo[3,4-b]pyridine CAS 875781-17-2 with attractive price

Cas:875781-17-2

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

Good quality Good price Promptly delivery Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:intermediate Transportation:Ac

875781-17-25-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality 5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE CAS NO 875781-17-2

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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 875781-17-2 with competitive price

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Products: 5-Bromo-1H-pyrazolo[3,4-b]pyridine Cas No.: 875781-17-2 Molecular Formula: C6H4BrN3 Molecular Weight: 198.02 Assay: 98% HPLC Molecular Structure: Appearanc

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

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

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

1H-Pyrazolo[3,4-b]pyridine,5-bromo- 875781-17-2

Cas:875781-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE CAS:875781-17-2 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

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE CAS:875781-17-2

Cas:875781-17-2

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

1H-Pyrazolo[3,4-b]pyridine,5-bromo-

Cas:875781-17-2

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

CAS NO.:875781-17-2

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

5-Bromo-1H-Pyrazo[3,4-B]Pyridine

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Manufacturers

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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

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

5-BROMO-1H-PYRAZOLO[3,4-B]PYRIDINE 875781-17-2

Cas:875781-17-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou Lingrui Chemical Co.,Ltd.

Hot sale 875781-17-2 Top quality 5-Bromo-1H-pyrazolo[3,4-b]pyridine manufacturer 5-bromo-1H-pyrazolo [3,4-B] pyridine Chinese alias 5-bromopyrazolo [3,4-b] pyridine, pyrazolo [3,4-B] pyridine compound is a very important kind of thick heterocyclic

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

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Chemlyte Solutions

Chemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff

Featured products 5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:100 Gram

Negotiable

Type:Other

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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

High quality 5-Bromo-1H-Pyrazo[3,4-B]Pyridine

Cas:875781-17-2

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

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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

875781-17-2 5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Lab/Research institutions

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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,

5-Bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE Basic information Product Name: 5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE Synonyms: 5-bromo-1H-pyrazoio[3,4-b]pyridine;5-Bromopyrazolo[3,4-b]pyridine;5-Bromo-1H-pyrazolo[3,4-b]pyridine;1H-Pyrazolo[3,4-b]pyridine, 5-broM

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Trading Company

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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

1H-Pyrazolo[3,4-b]pyridine, 5-bromo-

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Lab/Research institutions

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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

5-bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:stored in a cool, dry and ventilated place to provent sun and rain Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediate

5-BROMO-1H-PYRAZO[3,4-B]PYRIDINE

Cas:875781-17-2

Min.Order:1 Kilogram

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

5-bromo-1H-pyrazolo[3,4-b]pyridine

Cas:875781-17-2

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

5-bromo-2-fluoro-pyridine-3-carbaldehyde
875781-15-0

5-bromo-2-fluoro-pyridine-3-carbaldehyde

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
With hydrazine hydrate In water at 65℃; for 15h; Inert atmosphere;82%
With hydrazine In ethanol Heating / reflux;46%
With hydrazine hydrate In ethanol at 100℃; for 8h;40%
C12H18BrN3O2*ClH

C12H18BrN3O2*ClH

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
Stage #1: C12H18BrN3O2*ClH With hydrogenchloride In ethanol; water at 20 - 65℃; for 16h;
Stage #2: With sodium carbonate In ethanol; water
50%
2-Bromo-malonaldehyde
2065-75-0

2-Bromo-malonaldehyde

3(5)-aminopyrazole
1225387-53-0

3(5)-aminopyrazole

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
In acetic acid for 6h; Heating; Reflux; Inert atmosphere of N2;25%
2-Bromo-malonaldehyde
2065-75-0

2-Bromo-malonaldehyde

3(5)-aminopyrazole
1225387-53-0

3(5)-aminopyrazole

A

6-bromo-pyrazolo[1,5-α]pyrimidine
705263-10-1

6-bromo-pyrazolo[1,5-α]pyrimidine

B

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
In ethanol at 20℃; Heating / reflux;A 13.8%
B 2.1%
3-aminopyrazole
1820-80-0

3-aminopyrazole

2-Bromo-malonaldehyde
2065-75-0

2-Bromo-malonaldehyde

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
With acetic acid for 2h; Heating / reflux;11%
C8H10BrN3O2*ClH
875781-16-1

C8H10BrN3O2*ClH

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
Stage #1: C8H10BrN3O2*ClH With hydrogenchloride In ethanol; water at 20 - 65℃; for 16h;
Stage #2: With sodium hydrogencarbonate In ethanol; water pH=8;
5-bromo-3-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)-2(1H)-pyridinone hydrazone
1083326-08-2

5-bromo-3-(4,4,5,5-tetramethyl-1,3-dioxolan-2-yl)-2(1H)-pyridinone hydrazone

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
With hydrogenchloride; water In ethanol at 20 - 60℃;
5-bromo-2-fluoropyridine
766-11-0

5-bromo-2-fluoropyridine

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: N-ethyl-N,N-diisopropylamine; n-butyllithium / tetrahydrofuran / 0.5 h / -78 °C
1.2: 0.17 h / -78 °C
2.1: hydrazine hydrate / ethanol / 8 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1.1: diisopropylamine; n-butyllithium / tetrahydrofuran / 3 h / -65 - -30 °C / Inert atmosphere
1.2: 0.08 h
2.1: hydrazine hydrate / tetrahydrofuran; ethanol; water / 1 h / 45 - 80 °C / Large scale
View Scheme
Multi-step reaction with 2 steps
1.1: lithium diisopropyl amide / tetrahydrofuran / 1 h / -90 - -85 °C
1.2: 0.5 h / -80 °C
2.1: hydrazine hydrate / ethanol / 12 h / 75 - 80 °C
View Scheme
3,4-dihydro-2H-pyran
110-87-2

3,4-dihydro-2H-pyran

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine

5-bromo-1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
With pyridinium p-toluenesulfonate In dichloromethane; acetonitrile at 20℃; for 24h;100%
With toluene-4-sulfonic acid In toluene at 100℃; for 4h;98%
With toluene-4-sulfonic acid at 25 - 30℃; for 3h;60.7%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

5-bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine
875781-18-3

5-bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
Stage #1: 5-bromo-7-azaindazole With iodine; potassium hydroxide In N,N-dimethyl-formamide for 3.5h;
Stage #2: With iodine; sodium hydroxide In 1,4-dioxane at 40℃; for 23h;
97%
Stage #1: 5-bromo-7-azaindazole With potassium hydroxide In N,N-dimethyl-formamide for 0.166667h;
Stage #2: With iodine In N,N-dimethyl-formamide at 20℃; for 3.5h;
96%
Stage #1: 5-bromo-7-azaindazole With iodine; potassium hydroxide In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: With iodine In N,N-dimethyl-formamide at 45℃; for 1h;
92%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

tert-butyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate

tert-butyl 5-bromo-1H-pyrazolo[3,4-b]pyridine-1-carboxylate

Conditions
ConditionsYield
With dmap; triethylamine In acetonitrile at 20℃; for 3.25h; Inert atmosphere;93%
With dmap; triethylamine In dichloromethane at 20℃; for 24h;85%
With dmap In tetrahydrofuran for 14h; Reflux;68%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

hexamethylenetetramine
100-97-0

hexamethylenetetramine

5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carbaldehyde

5-bromo-1H-pyrazolo[3,4-b]pyridine-3-carbaldehyde

Conditions
ConditionsYield
With acetic acid In water for 12h; Sommelet Aldehyde Synthesis; Reflux;92%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

5-bromo-1H-pyrazolo[3,4-b]pyridine 7-oxide

5-bromo-1H-pyrazolo[3,4-b]pyridine 7-oxide

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In ethyl acetate at 20 - 50℃; for 5.5h;91%
With dihydrogen peroxide; trifluoroacetic acid at 60℃; for 12h;
zinc(II) cyanide
557-21-1

zinc(II) cyanide

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

1H-pyrazolo[3,4-b]pyridine-5-carbonitrile

1H-pyrazolo[3,4-b]pyridine-5-carbonitrile

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0) In 1-methyl-pyrrolidin-2-one at 92℃; for 5h; Temperature;90%
With tris(dibenzylideneacetone)dipalladium(0) chloroform complex; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In N,N-dimethyl acetamide; water at 80℃; for 6h; Inert atmosphere;82%
With tris-(dibenzylideneacetone)dipalladium(0); XPhos In water; N,N-dimethyl-formamide at 100℃; for 12h; Inert atmosphere;82%
With tetrakis(triphenylphosphine) palladium(0) In N,N-dimethyl-formamide at 85℃; for 10h; Inert atmosphere; Large scale;535 g
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

[3-(morpholin-4-ylcarbonyl)phenyl]boronic acid
723281-55-8

[3-(morpholin-4-ylcarbonyl)phenyl]boronic acid

A

morpholin-4-yl-[3-(1H-pyrazolo[3,4-b]pyridin-5-yl)-phenyl]-methanone
875781-22-9

morpholin-4-yl-[3-(1H-pyrazolo[3,4-b]pyridin-5-yl)-phenyl]-methanone

B

Triphenylphosphine oxide
791-28-6

Triphenylphosphine oxide

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water at 175℃; for 1h; Microwave irradiation;A 80%
B 20%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

p-methoxybenzyl chloride
824-94-2

p-methoxybenzyl chloride

5-bromo-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine
1111638-35-7

5-bromo-1-(4-methoxybenzyl)-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
Stage #1: 5-bromo-7-azaindazole With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h;
Stage #2: p-methoxybenzyl chloride In N,N-dimethyl-formamide at 0 - 20℃;
77.2%
With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃;68.3%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

trimethylsilylacetylene
1066-54-2

trimethylsilylacetylene

5-((trimethylsilyl) ethynyl)-1H-pyrazolo[3,4-b]pyridine
1207351-08-3

5-((trimethylsilyl) ethynyl)-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;73.7%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;73.7%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In acetonitrile for 20h; Reflux; Inert atmosphere;63%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine In acetonitrile at 20 - 100℃; for 20h; Sonogashira Cross-Coupling; Inert atmosphere;
With copper(l) iodide; palladium bis[bis(diphenylphosphino)ferrocene] dichloride; triethylamine In N,N-dimethyl-formamide at 70℃; for 2h; Inert atmosphere;3.5 g
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

(2-trimethylethylsilylethoxy)methyl chloride
76513-69-4

(2-trimethylethylsilylethoxy)methyl chloride

5-bromo-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrazolo[3,4-b]pyridine
1186608-66-1

5-bromo-1-{[2-(trimethylsilyl)ethoxy]methyl}-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
Stage #1: 5-bromo-7-azaindazole With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.5h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In N,N-dimethyl-formamide at 20℃; for 0.5h;
73%
Stage #1: 5-bromo-7-azaindazole With sodium hydride In tetrahydrofuran; mineral oil at 0℃; for 0.166667h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In tetrahydrofuran; mineral oil at 20℃;
43%
Stage #1: 5-bromo-7-azaindazole With sodium hydride In N,N-dimethyl-formamide; mineral oil at 0 - 20℃; for 0.416667h;
Stage #2: (2-trimethylethylsilylethoxy)methyl chloride In N,N-dimethyl-formamide; mineral oil at 0℃; for 2h;
Stage #3: With ammonium chloride In water; N,N-dimethyl-formamide; mineral oil Cooling;
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

methyl iodide
74-88-4

methyl iodide

5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine
887115-56-2

5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
Stage #1: 5-bromo-7-azaindazole With sodium hydride In tetrahydrofuran at 0℃; for 0.5h; Inert atmosphere;
Stage #2: methyl iodide at 25℃; Inert atmosphere;
73%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

propane-1-sulfonic acid {2,4-difluoro-3-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-phenyl}-amide
1312942-04-3

propane-1-sulfonic acid {2,4-difluoro-3-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-phenyl}-amide

propane-1-sulfonic acid {2,4-difluoro-3-[5-(1H-pyrazolo[3,4-b]pyridin-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-phenyl}-amide
1312939-70-0

propane-1-sulfonic acid {2,4-difluoro-3-[5-(1H-pyrazolo[3,4-b]pyridin-5-yl)-1H-pyrrolo[2,3-b]pyridine-3-carbonyl]-phenyl}-amide

Conditions
ConditionsYield
With potassium carbonate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; water; acetonitrile at 145℃; for 0.75h; microwave irradiation;72%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

methyl iodide
74-88-4

methyl iodide

A

5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine
887115-56-2

5-bromo-1-methyl-1H-pyrazolo[3,4-b]pyridine

B

5-bromo-2-methyl-2H-pyrazolo[3,4-b]pyridine

5-bromo-2-methyl-2H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
With sodium hexamethyldisilazane In tetrahydrofuran at 20℃; for 2h;A 7%
B 69%
With sodium hexamethyldisilazane In tetrahydrofuran; dimethyl sulfoxide at 20℃; for 3h;A 46%
B 3%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

2-(tert-butyldimethylsilyloxy)ethyl bromide
86864-60-0

2-(tert-butyldimethylsilyloxy)ethyl bromide

5-bromo-1-(2-((tert-butyldimethylsilyl)oxy)ethyl)-1H-pyrazolo[3,4-b]pyridine

5-bromo-1-(2-((tert-butyldimethylsilyl)oxy)ethyl)-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 18 - 25℃;66%
N-iodo-succinimide
516-12-1

N-iodo-succinimide

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

5-bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine
875781-18-3

5-bromo-3-iodo-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
In 1,2-dichloro-ethane Reflux;65.8%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

[3-(methoxycarbonyl)phenyl]boronic acid
99769-19-4

[3-(methoxycarbonyl)phenyl]boronic acid

methyl 3-(1H-pyrazolo[3,4-b]pyridin-5-yl)benzoate
875781-27-4

methyl 3-(1H-pyrazolo[3,4-b]pyridin-5-yl)benzoate

Conditions
ConditionsYield
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 110℃; for 15h; Microwave irradiation;65%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

N-(3-ethynyl-2,4-difluborophenyl)pyridine-3-ylsulfonamide

N-(3-ethynyl-2,4-difluborophenyl)pyridine-3-ylsulfonamide

N-(3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-2,4-difluorophenyl)pyridine-3-sulfonamide

N-(3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-2,4-difluorophenyl)pyridine-3-sulfonamide

Conditions
ConditionsYield
With copper(l) iodide; tri-tert-butyl phosphine; potassium carbonate; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran; toluene at 120℃; for 24h; Sonogashira Cross-Coupling; Sealed tube; Inert atmosphere;64%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

2,4-difluoro-3-ethynylaniline

2,4-difluoro-3-ethynylaniline

3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-2,4-difluoroaniline

3-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-2,4-difluoroaniline

Conditions
ConditionsYield
With copper(l) iodide; tri-tert-butyl phosphine; potassium carbonate; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran; toluene at 120℃; for 24h; Sonogashira Cross-Coupling; Sealed tube; Inert atmosphere;63%
With copper(l) iodide; bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II); triethylamine In dimethyl sulfoxide at 120℃; for 1h; Sonogashira Cross-Coupling; Microwave irradiation;61%
With copper(l) iodide; bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II); triethylamine In dimethyl sulfoxide at 120℃; for 1h; Microwave irradiation;2.15 g
(2-(6-methylpyridin-2-yl)-5,6-dihydro-4Hpyrrolo[1,2-b]pyrazol-3-yl)boronic acid
705262-42-6

(2-(6-methylpyridin-2-yl)-5,6-dihydro-4Hpyrrolo[1,2-b]pyrazol-3-yl)boronic acid

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

5-[2-[6-methyl-(pyridin-2-yl)]-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-1H-pyrazolo[3,4-b]pyridine

5-[2-[6-methyl-(pyridin-2-yl)]-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]-1H-pyrazolo[3,4-b]pyridine

Conditions
ConditionsYield
With sodium hydrogencarbonate; tetrakis(triphenylphosphine) palladium(0) In water; dimethyl sulfoxide at 110℃; for 0.166667h; Microwave irradiation;56%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole
832114-00-8

3,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole

3,5-dimethyl-4-(1H-pyrazolo[3,4-b]pyridin-5-yl)isoxazole

3,5-dimethyl-4-(1H-pyrazolo[3,4-b]pyridin-5-yl)isoxazole

Conditions
ConditionsYield
With palladium bis[bis(diphenylphosphino)ferrocene] dichloride; potassium carbonate In water; acetonitrile at 110℃; for 0.25h; Microwave irradiation;55%
methanol
67-56-1

methanol

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

carbon monoxide
201230-82-2

carbon monoxide

1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid methyl ester
1196156-42-9

1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid methyl ester

Conditions
ConditionsYield
With 1,1'-bis-(diphenylphosphino)ferrocene; palladium diacetate; triethylamine In N,N-dimethyl-formamide at 100℃; for 12h;46%
With palladium diacetate; triethylamine; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In N,N-dimethyl-formamide at 100℃; for 12h;
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

[1.1.1]propellane
35634-10-7

[1.1.1]propellane

C21H29IO6

C21H29IO6

C16H18BrN3O

C16H18BrN3O

Conditions
ConditionsYield
With tris[2-phenylpyridinato-C2,N]iridium(III); copper acetylacetonate; N,N,N′,N′-tetramethyl-N″-tert-butylguanidine In 1,4-dioxane Irradiation;46%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

ethyl 1-methyl-7-((trimethylsilyl)ethynyl)-1H-indole-2-carboxylate

ethyl 1-methyl-7-((trimethylsilyl)ethynyl)-1H-indole-2-carboxylate

ethyl 7-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-1-methyl-1H-indole-2-carboxylate

ethyl 7-((1H-pyrazolo[3,4-b]pyridin-5-yl)ethynyl)-1-methyl-1H-indole-2-carboxylate

Conditions
ConditionsYield
With copper(l) iodide; tetrabutyl ammonium fluoride; triethylamine In N,N-dimethyl-formamide Heating;42%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

7-amino-3-bromo-1-cyclopentyl-5-methyl-1,6-naphthyridin-2(1H)-one
1552300-42-1

7-amino-3-bromo-1-cyclopentyl-5-methyl-1,6-naphthyridin-2(1H)-one

7-amino-1-cyclopentyl-5-methyl-3-(1H-pyrazolo[3,4-b]pyridin-5-yl)-1,6-naphthyridin-2(1H)-one
1552300-56-7

7-amino-1-cyclopentyl-5-methyl-3-(1H-pyrazolo[3,4-b]pyridin-5-yl)-1,6-naphthyridin-2(1H)-one

Conditions
ConditionsYield
Stage #1: 5-bromo-7-azaindazole With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate; bis(pinacol)diborane In 1,4-dioxane at 100℃; for 3h; Inert atmosphere;
Stage #2: 7-amino-3-bromo-1-cyclopentyl-5-methyl-1,6-naphthyridin-2(1H)-one With potassium carbonate In 1,4-dioxane; water at 100℃; for 3h; Inert atmosphere;
28%
2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetic acid

2-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)acetic acid

5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

2-(4-(1H-pyrazolo[3,4-b]pyridin-5-yl)phenyl)acetic acid

2-(4-(1H-pyrazolo[3,4-b]pyridin-5-yl)phenyl)acetic acid

Conditions
ConditionsYield
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In water; acetonitrile at 100℃; for 3h; Inert atmosphere;28%
5-bromo-7-azaindazole
875781-17-2

5-bromo-7-azaindazole

2-(4-morpholinyl)-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline
1083325-84-1

2-(4-morpholinyl)-7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline

2-(4-morpholinyl)-7-(1H-pyrazolo[3,4-b]pyridin-5-yl)quinoxaline
1083320-98-2

2-(4-morpholinyl)-7-(1H-pyrazolo[3,4-b]pyridin-5-yl)quinoxaline

Conditions
ConditionsYield
With sodium carbonate; (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In 1,4-dioxane; water at 110℃; for 18h;26%

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