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ANQING CHICO PHARMACEUTICAL CO.,LTD.

High quality. Factory supply. In stock. Best price.1.Quick response within 24 hours;2.Best quality in your requirement;?3.We pay more attention on delivery time, and usually ship on time;4.Under the premise of safety and effectiveness, we can produce

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product specifica

2-Bromopyridine-3-carbaldehyde

Cas:128071-75-0

Min.Order:1 Kilogram

FOB Price: $2.0

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

2-Bromo-3-pyridinecarboxaldehyde

Cas:128071-75-0

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 2-Bromo-3-formylpyridine CAS No. 128

2-Bromo-3-formylpyridine

Cas:128071-75-0

Min.Order:1 Gram

FOB Price: $12.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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

2-Bromo-pyridine-3-carbaldehyde

Cas:128071-75-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zhuozhou Wenxi import and Export Co., Ltd

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

Top Purity CAS 128071-75-0 with fast shipping

Cas:128071-75-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

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

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:1 Kilogram

FOB Price: $85.0 / 100.0

Type:Trading Company

inquiry

Changchun Artel lmport and Export trade company

Product Detail Minimum Order Qty. 10 Gram

2-Bromo-3-formylpyridine CAS NO.128071-75-0

Cas:128071-75-0

Min.Order:10 Gram

Negotiable

Type:Trading Company

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

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

Hot Sale 2-Bromo-3-formylpyridine with lower price

Cas:128071-75-0

Min.Order:1 Gram

Negotiable

Type:Other

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

2-Bromo-3-formylpyridine

Cas:128071-75-0

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,

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Henan Wentao Chemical Product Co., Ltd.

We are leading fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...)

2-BROMO-3-FORMYLPYRIDINECAS NO.: 128071-75-0

Cas:128071-75-0

Min.Order:1 Kilogram

FOB Price: $5.0

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

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

KAISA GROUP INC

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

2-Bromo-3-formylpyridine CAS NO.128071-75-0 CAS NO.128071-75-0

Cas:128071-75-0

Min.Order:1 Metric Ton

FOB Price: $7.0 / 8.0

Type:Trading Company

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

2-Bromopyridine-3-carbaldehyde

Cas:128071-75-0

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

2-Bromo-3-pyridinecarboxaldehyde

Cas:128071-75-0

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Win-Win chemical Co.Ltd

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

2-Bromo-3-Formylpyridine cas no. 128071-75-0 97%

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

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

2-BroMopyridine-3-carbaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

GIHI CHEMICALS CO.,LIMITED

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

2-Bromo-3-formylpyridine

Cas:128071-75-0

Min.Order:0

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

2-BroMonicotinaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

2-Bromo-3-pyridinecarboxaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech 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:Beijing or Guangzhou

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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

2-Bromo-3-formylpyridine

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

2-BroMopyridine-3-carbaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Application:Chemical intermediate

2-Bromo-3-pyridinecarboxaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:light yellow liquid Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as pr

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

2-Bromopyridine-3-carbaldehyde cas 128071-75-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

2-Bromopyridine-3-carbaldehyde cas 128071-75-0

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Other

inquiry

Changzhou Ansciep Chemical Co.,Ltd.

reagent grade ex stockAppearance:white or off-white crystalline powder Storage:Keep away of light,cool place Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:by Fedex, ship or plane

2-Bromo-3-pyridinecarboxaldehyde

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

2-BROMO-3-FORMYLPYRIDINE

Cas:128071-75-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

2-bromo-pyridine
109-04-6

2-bromo-pyridine

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

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 3h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran at -78℃; for 1h; Further stages.;
85%
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -50℃; for 1h;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran for 1h; Temperature; Reagent/catalyst;
78%
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 4h; Inert atmosphere;
Stage #2: N,N-dimethyl-formamide In tetrahydrofuran; hexane at -78℃; for 0.5h; Inert atmosphere;
75%
(2-bromopyrid-3-yl)methanol
131747-54-1

(2-bromopyrid-3-yl)methanol

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With phosphoric acid; dimethyl sulfoxide; dicyclohexyl-carbodiimide for 1.5h; Ambient temperature;83%
With phosphoric acid; dimethyl sulfoxide; dicyclohexyl-carbodiimide at 20℃; for 1.5h;80%
2-bromo-3-(dibromomethyl)-pyridine
865449-15-6

2-bromo-3-(dibromomethyl)-pyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With calcium carbonate In water for 8h; Heating;83%
With calcium carbonate In water for 14h; Reflux;78%
With water; calcium carbonate at 100℃; for 7h;60%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

formaldehyd
50-00-0

formaldehyd

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With lithium42%
2-bromo-pyridine
109-04-6

2-bromo-pyridine

formic acid ethyl ester
109-94-4

formic acid ethyl ester

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Stage #1: 2-bromo-pyridine With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 2h;
Stage #2: formic acid ethyl ester In tetrahydrofuran at -78℃; for 1h;
Stage #3: With water; ammonium chloride In tetrahydrofuran at -30℃;
11%
2,6-Dibromopyridine
626-05-1

2,6-Dibromopyridine

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

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
2,4-dibromopyridine
58530-53-3

2,4-dibromopyridine

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

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
2,5-dibromopyridine
624-28-2

2,5-dibromopyridine

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

N,N-dimethyl-formamide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Yield given. Multistep reaction;
C9H8BrNO4
1036408-89-5

C9H8BrNO4

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
2: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
2-bromo-3-picoline
3430-17-9

2-bromo-3-picoline

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: 98 percent / KMnO4; H2O / 20 h / Heating
2: Et3N / benzene / 1 h / 20 °C
3: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
4: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 83 percent / N-bromosuccinimide; benzoylperoxyde / CCl4 / 4 h / Heating
2: 83 percent / CaCO3 / H2O / 8 h / Heating
View Scheme
Multi-step reaction with 3 steps
1: 70 percent / KMnO4 / H2O / Heating
2: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
3: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; dibenzoyl peroxide / dichloromethane / 4 h / 80 °C / Inert atmosphere
2: calcium carbonate; water / 7 h / 100 °C
View Scheme
Multi-step reaction with 2 steps
1: N-Bromosuccinimide; dibenzoyl peroxide / tetrachloromethane / 4 h / Reflux
2: calcium carbonate / water / 14 h / Reflux
View Scheme
2-bromonicotinic acid
35905-85-2

2-bromonicotinic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: Et3N / benzene / 1 h / 20 °C
2: 1.03 g / LiAlH4 / tetrahydrofuran / 0.5 h / -78 °C
3: 80 percent / N,N'-dicyclohexylcarbodiimide; H3PO4; DMSO / 1.5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
2: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
3-methylpyridin-2-ylamine
1603-40-3

3-methylpyridin-2-ylamine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1.1: HBr; Br2 / H2O / 0.83 h / -20 °C
1.2: NaNO2 / H2O / 2.5 h / -20 °C
2.1: 83 percent / N-bromosuccinimide; benzoylperoxyde / CCl4 / 4 h / Heating
3.1: 83 percent / CaCO3 / H2O / 8 h / Heating
View Scheme
Multi-step reaction with 4 steps
1: 88 percent / NaNO2, Br2, 48percent HBr / 5 °C
2: 70 percent / KMnO4 / H2O / Heating
3: 1) NEt3, ethyl chloroformate, 2) LiAlH4 / 1) benzene, rt, 1 h, 2) THF, -78 deg C, 30 min
4: 83 percent / DMSO, N,N'-dicyclohexylcarbodiimide, H3PO4 / 1.5 h / Ambient temperature
View Scheme
2,3-dibromopyridine
13534-89-9

2,3-dibromopyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1.) t-BuLi, i-Pr2NH, 2.) Br2 / 1.) THF, -60 deg C, 2.) -70 deg C, 4 h
View Scheme
2-bromo-pyridine
109-04-6

2-bromo-pyridine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran; water; N,N-dimethyl-formamide
With ammonium chloride; lithium diisopropyl amide In tetrahydrofuran; N-methyl-acetamide
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-bromonicotinic acid
35905-85-2

2-bromonicotinic acid

Conditions
ConditionsYield
With potassium permanganate In water Ambient temperature;100%
With potassium permanganate In water for 2h; Ambient temperature;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(2-bromopyrid-3-yl)methanol
131747-54-1

(2-bromopyrid-3-yl)methanol

Conditions
ConditionsYield
With sodium tetrahydroborate; water In tetrahydrofuran at 20℃; for 2h;100%
With methanol; sodium tetrahydroborate at 0 - 25℃; for 2h;90.2%
With sodium tetrahydroborate In methanol at 0 - 20℃; for 1h;69%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

phenylhydrazine
100-63-0

phenylhydrazine

N-(2-bromo-pyridin-3-ylmethylene)-N'-phenyl-hydrazine

N-(2-bromo-pyridin-3-ylmethylene)-N'-phenyl-hydrazine

Conditions
ConditionsYield
In 1-methyl-pyrrolidin-2-one at 160℃; for 0.166667h; microwave irradiation;100%
With acetic acid In ethanol for 2h; Reflux;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

ethyl acetoacetate
141-97-9

ethyl acetoacetate

malononitrile
109-77-3

malononitrile

ethyl 6-amino-4-(2-bromo-3-pyridyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate

ethyl 6-amino-4-(2-bromo-3-pyridyl)-5-cyano-2-methyl-4H-pyran-3-carboxylate

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; malononitrile With piperidine In methanol at 20℃;
Stage #2: ethyl acetoacetate With piperidine In methanol at 20℃; for 0.333333h;
100%
3-methoxyphenylboronic acid
10365-98-7

3-methoxyphenylboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(3-methoxyphenyl)nicotinaldehyde
958219-62-0

2-(3-methoxyphenyl)nicotinaldehyde

Conditions
ConditionsYield
tetrakis(triphenylphosphine) palladium(0) In 1,2-dimethoxyethane; water for 17h; Heating / reflux;100%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

4-methoxyphenylacetylen
768-60-5

4-methoxyphenylacetylen

2-(4-methoxyphenylethynyl)pyridine-3-carboxaldehyde
884501-93-3

2-(4-methoxyphenylethynyl)pyridine-3-carboxaldehyde

Conditions
ConditionsYield
With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride at 50℃; for 3h;99%
Stage #1: 2-bromopyridine-3-carboxaldehyde; 4-methoxyphenylacetylen With trans-bis(triphenylphosphine)palladium dichloride; triethylamine at 20℃; for 0.166667h; Sonogashira Cross-Coupling; Inert atmosphere;
Stage #2: With copper(l) iodide at 50℃; for 4h; Sonogashira Cross-Coupling; Inert atmosphere;
61%
With bis(triphenylphosphine)palladium(II) dichloride; triethylamine In acetonitrile for 70h; Sonogashira Cross-Coupling;
Stage #1: 2-bromopyridine-3-carboxaldehyde; 4-methoxyphenylacetylen With trans-bis(triphenylphosphine)palladium dichloride; triethylamine at 20℃; for 0.166667h; Inert atmosphere;
Stage #2: With copper(l) iodide at 50℃; Inert atmosphere;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

4-methylsulfanylaniline
104-96-1

4-methylsulfanylaniline

C13H11BrN2S

C13H11BrN2S

Conditions
ConditionsYield
With magnesium sulfate In tetrahydrofuran at 100℃; for 0.25h; Microwave irradiation;99%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

orthoformic acid triethyl ester
122-51-0

orthoformic acid triethyl ester

2-bromo-3-(diethoxymethyl)pyridine
663170-89-6

2-bromo-3-(diethoxymethyl)pyridine

Conditions
ConditionsYield
With toluene-4-sulfonic acid In ethanol for 6h; Reflux;98%
With ammonium chloride In ethanol for 15h; Heating;
With toluene-4-sulfonic acid In ethanol for 6h; Reflux;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

2-(2-bromopyridin-3-yl)-1H-benzimidazole
1246929-38-3

2-(2-bromopyridin-3-yl)-1H-benzimidazole

Conditions
ConditionsYield
With ammonium chloride In methanol at 20℃; for 8h;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(S)-2-methylpropane-2-sulfinamide
343338-28-3

(S)-2-methylpropane-2-sulfinamide

(S,E)-N-[(2-bromopyridin-3-yl)methylene]-tert-butanesulfinamide

(S,E)-N-[(2-bromopyridin-3-yl)methylene]-tert-butanesulfinamide

Conditions
ConditionsYield
With titanium(IV) tetraethanolate In tetrahydrofuran at 23℃; for 12h; Inert atmosphere;98%
4-methoxyphenylboronic acid
5720-07-0

4-methoxyphenylboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(4-methoxyphenyl)pyridine-3-carbaldehyde
885949-59-7

2-(4-methoxyphenyl)pyridine-3-carbaldehyde

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene Inert atmosphere; Reflux;98%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

2-bromo-3-vinylpyridine
932042-98-3

2-bromo-3-vinylpyridine

Conditions
ConditionsYield
With n-butyllithium In tetrahydrofuran; hexane at 0 - 20℃; for 14h; Wittig reaction;97%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃;
89%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h; Wittig reaction; Inert atmosphere;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃; for 72h; Wittig reaction; Inert atmosphere;
89%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at 0 - 20℃; for 0.5h; Wittig Olefination;
Stage #2: 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at 0 - 20℃; for 72h; Wittig Olefination;
89%
3-butene-1-amine
2524-49-4

3-butene-1-amine

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

N-[(2-bromopyridin-3-yl)methyl]but-3-en-1-amine

N-[(2-bromopyridin-3-yl)methyl]but-3-en-1-amine

Conditions
ConditionsYield
Stage #1: 3-butene-1-amine; 2-bromopyridine-3-carboxaldehyde With magnesium sulfate In dichloromethane
Stage #2: With sodium tetrahydroborate In methanol
97%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

phenylacetylene
536-74-3

phenylacetylene

2-(2-phenylethynyl)pyridine-3-carbaldehyde
222167-31-9

2-(2-phenylethynyl)pyridine-3-carbaldehyde

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; Sonogashira reaction;96%
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triethylamine at 50℃; for 5h; Inert atmosphere;94%
With copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); triethylamine In tetrahydrofuran at 70℃; Inert atmosphere;93%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

phenylacetylene
536-74-3

phenylacetylene

N-[(2-phenylethynyl)pyridin-3-ylmethylene]-tert-butylamine

N-[(2-phenylethynyl)pyridin-3-ylmethylene]-tert-butylamine

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; phenylacetylene With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃;
Stage #2: tert-butylamine at 20℃; for 24h; Further stages.;
96%
methylmagnesium bromide
75-16-1

methylmagnesium bromide

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1-(2′-bromo-3′-pyridyl)ethan-1-ol
84199-57-5

1-(2′-bromo-3′-pyridyl)ethan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 5℃;96%
In diethyl ether; dibutyl ether at -78 - 0℃; Inert atmosphere;87%
Stage #1: methylmagnesium bromide; 2-bromopyridine-3-carboxaldehyde In tetrahydrofuran at -20 - 0℃; for 0.333333h;
Stage #2: With ammonium chloride In tetrahydrofuran; water
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(trifluoromethyl)trimethylsilane
81290-20-2

(trifluoromethyl)trimethylsilane

1-(2-bromo-3-pyridinyl)-2,2,2-trifluoroethanol
1092459-51-2

1-(2-bromo-3-pyridinyl)-2,2,2-trifluoroethanol

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; (trifluoromethyl)trimethylsilane In tetrahydrofuran at -70 - 20℃; for 1h; Cooling with methanol-dry ice;
Stage #2: With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 2h;
Stage #3: With hydrogenchloride; water In tetrahydrofuran at 20℃; for 1h;
96%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

1-t-Butoxycarbonylpiperazine
57260-71-6

1-t-Butoxycarbonylpiperazine

tert-butyl 4-[(2-bromopyridin-3-yl)methyl]piperazine-1-carboxylate

tert-butyl 4-[(2-bromopyridin-3-yl)methyl]piperazine-1-carboxylate

Conditions
ConditionsYield
With sodium tris(acetoxy)borohydride; acetic acid for 16h;95.99%
n-octyne
629-05-0

n-octyne

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-(1-octyn-1-yl)pyridine-3-carboxaldehyde
222167-37-5

2-(1-octyn-1-yl)pyridine-3-carboxaldehyde

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃; Sonogashira reaction;95%
With triethylamine; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In N,N-dimethyl-formamide for 15h; Ambient temperature;79%
n-octyne
629-05-0

n-octyne

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

N-[2-(1-octyn-1-yl)pyridin-3-ylmethylene]-tert-butylamine

N-[2-(1-octyn-1-yl)pyridin-3-ylmethylene]-tert-butylamine

Conditions
ConditionsYield
Stage #1: n-octyne; 2-bromopyridine-3-carboxaldehyde With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide In triethylamine at 50℃;
Stage #2: tert-butylamine at 20℃; for 24h; Further stages.;
95%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

Trimethylenediamine
109-76-2

Trimethylenediamine

2-(2-bromopyridin-3-yl)-1,4,5,6-tetrahydropyrimidine
1202518-92-0

2-(2-bromopyridin-3-yl)-1,4,5,6-tetrahydropyrimidine

Conditions
ConditionsYield
Stage #1: 2-bromopyridine-3-carboxaldehyde; Trimethylenediamine In tert-butyl alcohol at 70℃; for 0.5h;
Stage #2: With iodine; potassium carbonate In tert-butyl alcohol at 70℃; for 3h;
95%
2-vinylbenzeneboronic acid
15016-42-9

2-vinylbenzeneboronic acid

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

3-formyl-2-(2-vinylphenyl)pyridine
1279109-73-7

3-formyl-2-(2-vinylphenyl)pyridine

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In ethanol; toluene at 100℃; for 17h; Suzuki reaction; Inert atmosphere;95%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2-bromo-3-(difluoromethyl)pyridine

2-bromo-3-(difluoromethyl)pyridine

Conditions
ConditionsYield
With diethylamino-sulfur trifluoride In dichloromethane at 25℃; for 4h;95%
With diethylamino-sulfur trifluoride In dichloromethane at 0 - 20℃; for 12.5h; Inert atmosphere;33.5%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

methylmagnesium chloride
676-58-4

methylmagnesium chloride

1-(2′-bromo-3′-pyridyl)ethan-1-ol
84199-57-5

1-(2′-bromo-3′-pyridyl)ethan-1-ol

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 5℃; for 0.5h;95%
In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

tert-butylamine
75-64-9

tert-butylamine

(E)-N-((2-bromopyridin-3-yl)methylene)-2-methylpropan-2-amine

(E)-N-((2-bromopyridin-3-yl)methylene)-2-methylpropan-2-amine

Conditions
ConditionsYield
With water at 25℃;94%
C24H20BrNP(1+)*Br(1-)

C24H20BrNP(1+)*Br(1-)

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(Z)-1,2-di(2-bromopyridin-3-yl)ethene
942267-02-9

(Z)-1,2-di(2-bromopyridin-3-yl)ethene

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran at 20℃; for 18h; Wittig reaction;94%
indole
120-72-9

indole

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

C22H16BrN3

C22H16BrN3

Conditions
ConditionsYield
With cadmium sulphide In methanol for 0.25h; Reflux;94%
2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

ethyl (triphenylphosphoranylidene)acetate
1099-45-2

ethyl (triphenylphosphoranylidene)acetate

(E)-ethyl 3-(2-bromopyridin-3-yl)acrylate

(E)-ethyl 3-(2-bromopyridin-3-yl)acrylate

Conditions
ConditionsYield
In dichloromethane at 0 - 20℃; for 8h; Wittig Olefination;94%
In dichloromethane at 0 - 20℃; for 8h; Wittig Olefination;94%
In dichloromethane at 0 - 20℃; Wittig Olefination;
2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane)

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)dinicotinaldehyde

2,2'-(3,7-di-tert-butyl-9,10-dihydroanthracene-1,5-diyl)dinicotinaldehyde

Conditions
ConditionsYield
With tris-(dibenzylideneacetone)dipalladium(0); potassium carbonate; tri tert-butylphosphoniumtetrafluoroborate In tetrahydrofuran; water at 80℃; Suzuki-Miyaura Coupling; Sealed tube;94%
1-Phenyl-2-propyn-1-ol
4187-87-5

1-Phenyl-2-propyn-1-ol

2-bromopyridine-3-carboxaldehyde
128071-75-0

2-bromopyridine-3-carboxaldehyde

(Z)-6-(hydroxy(phenyl)methylene)-6,7-dihydro-5H-cyclopenta[b]pyridin-5-one

(Z)-6-(hydroxy(phenyl)methylene)-6,7-dihydro-5H-cyclopenta[b]pyridin-5-one

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; 1,8-diazabicyclo[5.4.0]undec-7-ene In tetrahydrofuran at 20℃; for 4h; Schlenk technique; Inert atmosphere;94%

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