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
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inquiryhigh quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai
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inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
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inquiryWITH 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
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inquiryHenan 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
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
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inquiryChemlyte 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
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inquiryOur 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
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inquiryProduct 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,
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inquiry2-CYANOPYRIDINE-5-BORONIC ACID PINACOL ESTER Basic information Product Name: 2-CYANOPYRIDINE-5-BORONIC ACID PINACOL ESTER Synonyms: 5-(4,4,5,5-TetraMethyl-1,3,2-dioxaborolan-2-yl)picolinonitrile, 95+%;2-CYANOPYRIDINE-5-BORONIC ACID PICOL ESTER;
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inquiryWe 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
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inquiryHunan 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
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inquiryHigh quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use
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inquiry1.A strong technical force and advanced processing equipments. The quality of the products has been strictly inspected and all kinds of index have reached or exceeded domestic and international standards.2. Now we have established long-term stable re
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inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,Pharmaceutical intermediates Transportation:air,sea,courier
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inquiryMETHYL-6-DEOXY-A-D-GLUCOPYRANOSIDE (We are one of a few suppliers that can offer custom synthesis service of this product) We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research.
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inquiryOur Company main product 一:suzuki reaction customization 二:Boronic acid derivative ①:phenylboronic acid derivative ②:Phenylboronic acid pinacol ester derivative ③:Potassium phenyltrifluoroborate derivative ④:Phenylboronic acid MIDA ester derivative
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inquiryAnsciep 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
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inquiry"HANGZHOU TIANYE CHEMICALS Co.LTD , Located in Eastern Science and Innovation Park Hangzhou .We are a high-tech enterprise specialized in technical research and development, production, development and trade of chemical products. We supply Multiple s
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inquiry2-Cyanopyridine-5-boronic acid pinacol ester cas 741709-63-7Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
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inquiry741709-63-7 Application:intermediate
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inquiryR & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
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inquirygood quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:250mg Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any po
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inquiryhigh 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
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inquiryHigh quality suppliers Application:healing drugs
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inquirybulk?production Application:Pharmaceutical intermediates
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryin store Package:5g Application:Organic Chemicals
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inquiryOur mission is to provide high-quality and innovative products to our customers. By offering a broad range of products, custom synthesis and personalized services, Bide can help scientists speeding up their research in the chemical and pharmaceutical
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inquiry1.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
Cas:741709-63-7
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inquiry2-Cyano-5-bromopyridine
bis(pinacol)diborane
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With potassium acetate; palladium dichloride In dichloromethane; dimethyl sulfoxide at 90℃; for 6h; | 85% |
With triisopropylsilanethiol; N,N,N',N'-tetramethylguanidine In acetonitrile at 30℃; for 2h; Reagent/catalyst; Irradiation; Inert atmosphere; Sealed tube; | 68% |
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium acetate In dimethyl sulfoxide at 80℃; for 25h; | 64% |
5-bromo-pyridine-2-carbaldehyde
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 100 percent / I2; aq. NH3 / tetrahydrofuran / 4 h / 20 °C 2: 64 percent / PdCl2(dppf); KOAc / dimethylsulfoxide / 25 h / 80 °C View Scheme |
2-cyanopyridine-5-boronic acid pinacol ester
C-[5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-pyridin-2-yl]-methylamine
Conditions | Yield |
---|---|
With hydrogen; acetic acid; palladium on activated charcoal at 20℃; for 16h; | 100% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 In acetonitrile at 95℃; for 2h; Inert atmosphere; | 91% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; dimethyl sulfoxide at 100℃; for 5h; Inert atmosphere; | 89% |
2-cyanopyridine-5-boronic acid pinacol ester
tert-butyl 4-((5-bromo-2-methoxybenzyloxy)methyl)-4-phenylpiperidine-1-carboxylate
tert-butyl 4-((5-(6-cyanopyridin-3-yl)-2-methoxybenzyloxy)methyl)-4-phenylpiperidine-1-carboxylate
Conditions | Yield |
---|---|
With potassium hydroxide; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; water at 120℃; for 1h; Sealed tube; Microwave irradiation; | 88% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In water; dimethyl sulfoxide at 100℃; for 5h; Inert atmosphere; | 88% |
2-cyanopyridine-5-boronic acid pinacol ester
5-Bromo-2-chloropyrimidine
2,5-bis-(2'-cyanopyridin-5'-yl)-pyrimidine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In methanol; water; toluene at 80℃; Suzuki coupling; Inert atmosphere; | 78% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With sodium carbonate; tris-(o-tolyl)phosphine; palladium diacetate In 1,2-dimethoxyethane; water at 80℃; for 5h; Suzuki coupling; | 74% |
2-cyanopyridine-5-boronic acid pinacol ester
6-bromomethyl-4-(3-chloro-phenyl)-5-fluoro-benzothiazole
5-[4-(3-chloro-phenyl)-5-fluoro-benzothiazol-6-ylmethyl]-pyridine-2-carbonitrile
Conditions | Yield |
---|---|
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In ethanol; water; toluene at 80℃; for 1.25h; | 73% |
2-cyanopyridine-5-boronic acid pinacol ester
(6S)-6-[(4-iodobenzyl)oxy]-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-ol
5-[4-({[(6S)-2-nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-yl]oxy}methyl)phenyl]-2-pyridinecarbonitrile
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; potassium carbonate In ethanol; water; toluene for 0.666667h; Suzuki coupling; Inert atmosphere; Reflux; | 73% |
2-cyanopyridine-5-boronic acid pinacol ester
ortho-bromobenzaldehyde
5-(2-formylphenyl)pyridine-2-carbonitrile
Conditions | Yield |
---|---|
With sodium carbonate; bis-triphenylphosphine-palladium(II) chloride In water; acetonitrile at 100℃; for 0.166667h; Microwave irradiation; | 72% |
With bis-triphenylphosphine-palladium(II) chloride; sodium carbonate In water; acetonitrile at 100℃; for 0.166667h; Microwave irradiation; Sealed tube; | 72% |
2-cyanopyridine-5-boronic acid pinacol ester
1-(5-bromo-6-fluoro-benzothiazol-2-yl)-3-ethyl-urea
1-(5-(6-cyanopyridin-3-yl)-6-fluorobenzo[d]thiazol-2-yl)-3-ethylurea
Conditions | Yield |
---|---|
Stage #1: 2-cyanopyridine-5-boronic acid pinacol ester; 1-(5-bromo-6-fluoro-benzothiazol-2-yl)-3-ethyl-urea With potassium phosphate In water; N,N-dimethyl-formamide for 0.25h; Stage #2: bis-triphenylphosphine-palladium(II) chloride In water; N,N-dimethyl-formamide at 100℃; for 2.25h; | 71% |
2-cyanopyridine-5-boronic acid pinacol ester
1-(3-bromo-5-chloro-2-methoxy-4-methylphenyl)ethanol
5-[3-chloro-5-(1-hydroxyethyl)-6-methoxy-2-methylphenyl]pyridine-2-carbonitrile
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In water; acetonitrile at 95℃; for 2h; Inert atmosphere; | 70% |
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In water; acetonitrile at 95℃; for 2h; Inert atmosphere; | 70% |
2-cyanopyridine-5-boronic acid pinacol ester
6-bromo-8-methylimidazo[1,2-a]pyridine
5-(8-methylimidazo[1,2-a]pyridin-6-yl)picolinonitrile
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In N,N-dimethyl-formamide at 120℃; for 2h; Inert atmosphere; | 68.5% |
2-cyanopyridine-5-boronic acid pinacol ester
C18H17BrF2N4O
C24H20F2N6O
Conditions | Yield |
---|---|
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane; water at 150℃; for 0.5h; Inert atmosphere; microwave oven; | 68% |
2-cyanopyridine-5-boronic acid pinacol ester
6-bromo-8-(trifluoromethyl)imidazo[1,2-a]pyridine
5-(8-(trifluoromethyl)imidazo[1,2-a]pyridin-6-yl)picolinonitrile
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In N,N-dimethyl-formamide at 120℃; for 2h; Inert atmosphere; | 67.8% |
2-cyanopyridine-5-boronic acid pinacol ester
N-(((3S,3aS)-7-(6-cyanopyridin-3-yl)-1-oxo-1,3,3a,4-tetrahydrobenzo[b]oxazolo[3,4-d][1,4]oxazin-3-yl)methyl)acetamide
Conditions | Yield |
---|---|
With potassium fluoride; tetrakis(triphenylphosphine) palladium(0) In 1,4-dioxane at 80℃; for 2h; Suzuki coupling; | 65% |
2-cyanopyridine-5-boronic acid pinacol ester
C28H50IN5O4Si2
C34H53N7O4Si2
Conditions | Yield |
---|---|
With potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2 In 1,2-dimethoxyethane; water for 3h; Heating / reflux; | 63% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium acetate; palladium diacetate In ethanol; toluene at 80℃; for 48h; Inert atmosphere; | 63% |
2-cyanopyridine-5-boronic acid pinacol ester
(2R, 3R)-3-(3-bromo-6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-5(4H)-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
(2R,3R)-3-(3-(2-cyano-pyridin-5-yl)-6,7-dihydro-[1,2,3]triazolo[1,5-a]pyrazin-5(4H)-yl)-2-(2,4-difluoro-phenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane; water at 80℃; for 12h; | 61.6% |
2-cyanopyridine-5-boronic acid pinacol ester
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); caesium carbonate In 1,4-dioxane; water at 80℃; for 10h; Suzuki Coupling; Inert atmosphere; | 61.6% |
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