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
Cas:197958-29-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWelcome 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
Cas:197958-29-5
Min.Order:1 Metric Ton
Negotiable
Type:Manufacturers
inquiryThe company has a professional R & D team, mature technology, very competitive prices and stable high quality products for customers to order high quality and low price product efforts! Appearance:white powder Storage:Sealed, dry, micro
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
Cas:197958-29-5
Min.Order:1 Gram
FOB Price: $0.1
Type:Manufacturers
inquiryOur 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
Cas:197958-29-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiry2-Pyridineboronic acid Basic information 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 relationshi
Cas:197958-29-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:197958-29-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 10.0
Type:Trading Company
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
Cas:197958-29-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. 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 pla
Cas:197958-29-5
Min.Order:100 Gram
Negotiable
Type:Other
inquiry1.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
Cas:197958-29-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry2-Pyridineboronic acid CAS:197958-29-5 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
Cas:197958-29-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:197958-29-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest 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
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
Cas:197958-29-5
Min.Order:100 Gram
Negotiable
Type:Lab/Research institutions
inquiryJ&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
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryZibo 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
Cas:197958-29-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providing h
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
Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:197958-29-5
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryLocated 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
Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
High 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
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquirySAGECHEM 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
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryStock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:197958-29-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai
Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:197958-29-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Conditions | Yield |
---|---|
Stage #1: 2-bromo-pyridine; Triisopropyl borate With n-butyllithium In tetrahydrofuran; hexane; toluene at -30℃; for 3h; Inert atmosphere; Stage #2: With hydrogenchloride In tetrahydrofuran; hexane; water; toluene at 20℃; for 1h; Inert atmosphere; | 81% |
Stage #1: 2-bromo-pyridine; Triisopropyl borate With n-butyllithium In tetrahydrofuran; hexane; toluene at -30 - 20℃; for 6h; Stage #2: With hydrogenchloride In tetrahydrofuran; hexane; toluene at 20℃; for 1h; | 81% |
With n-butyllithium In tetrahydrofuran; hexane; toluene at -30 - 20℃; for 6h; Inert atmosphere; | 81% |
Stage #1: 2-bromo-pyridine With n-butyllithium In diethyl ether; hexane at -78℃; for 0.5h; Stage #2: Triisopropyl borate In diethyl ether; hexane at -78 - 20℃; | 73% |
Conditions | Yield |
---|---|
Stage #1: 2-bromo-pyridine With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 1h; Stage #2: Trimethyl borate In tetrahydrofuran; hexane for 2h; | 77% |
Stage #1: 2-bromo-pyridine With n-butyllithium In tetrahydrofuran at -78℃; for 1h; Inert atmosphere; Stage #2: Trimethyl borate In tetrahydrofuran at 20℃; for 2h; Inert atmosphere; | 66.8% |
2-bromo-pyridine
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
Stage #1: 2-bromo-pyridine With isopropylmagnesium chloride In tetrahydrofuran at 20℃; for 2h; Stage #2: With tris(trimethylsilyl)borate In tetrahydrofuran at 0 - 20℃; for 24h; Stage #3: With hydrogenchloride at 0℃; pH=6 - 7; | 70% |
Conditions | Yield |
---|---|
In methanol; toluene for 15h; Inert atmosphere; Reflux; | 99% |
pyridin-2-ylboronic acid
2-hydroxypyridin
Conditions | Yield |
---|---|
With hydrazine hydrate; caesium carbonate In water at 80℃; for 12h; | 96% |
Conditions | Yield |
---|---|
With sodium azide; potassium carbonate In ethanol; water for 5h; Catalytic behavior; Reflux; Inert atmosphere; Green chemistry; | 96% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In toluene at 110℃; for 3h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
With copper slag In N,N-dimethyl-formamide at 100℃; for 0.166667h; Temperature; Wavelength; Microwave irradiation; Green chemistry; | 94% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene for 8h; Inert atmosphere; Reflux; | 93.7% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene at 90℃; for 5h; Inert atmosphere; | 93% |
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate; triphenylphosphine In toluene at 100℃; for 12h; | 92.5% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; toluene at 80℃; Inert atmosphere; | 92% |
2,3-bis(bromomethyl)quinoxaline
broxyquinoline
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide In ethanol; water at 20℃; for 24h; Irradiation; Inert atmosphere; | 92% |
benzoimidazole
pyridin-2-ylboronic acid
1-pyridin-2-yl-1H-benzoimidazole
Conditions | Yield |
---|---|
With 2Na(1+)*CuC6H4(NCHC6H3OO3S)2(2-)=CuC6H4(NCHC6H3ONaO3S)2 In water at 100℃; for 6h; | 90% |
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With potassium carbonate In ethanol; water at 60℃; for 0.5h; Inert atmosphere; | 90% |
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In 1,2-dimethoxyethane; water at 120℃; for 1h; Microwave irradiation; Inert atmosphere; | 90% |
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With potassium carbonate In water; ethyl acetate at 60℃; for 0.166667h; Inert atmosphere; | 89% |
Conditions | Yield |
---|---|
Stage #1: pyridin-2-ylboronic acid; chlorobenzene With potassium phosphate In para-xylene at 128℃; for 1.5h; Suzuki-Miyaura Coupling; Sealed tube; Inert atmosphere; Microwave irradiation; Stage #2: In ethanol; para-xylene; water at 130℃; for 24h; Sealed tube; Inert atmosphere; | 89% |
4-((4-bromo-5-(4-methoxyphenyl)-2H-1,2,3-triazol-2-yl)methyl)benzonitrile
pyridin-2-ylboronic acid
4-[4-(4-methoxy-phenyl)-5-pyridin-2-yl-[1,2,3]triazol-2-ylmethyl]-benzonitrile
Conditions | Yield |
---|---|
With bis-triphenylphosphine-palladium(II) chloride; potassium phosphate monohydrate In water; acetonitrile at 85℃; Suzuki-Miyaura coupling; chemoselective reaction; | 88% |
pyridin-2-ylboronic acid
para-Chlorobenzyl alcohol
(4-(pyridine-2-yl)phenyl)methanol
Conditions | Yield |
---|---|
With C38H37ClN4O2Pd; potassium carbonate In butan-1-ol at 100℃; for 36h; Inert atmosphere; Schlenk technique; | 88% |
carbon monoxide
toluene-4-sulfonic acid phenyl ester
pyridin-2-ylboronic acid
phenyl(pyridin-2-yl)methanone
Conditions | Yield |
---|---|
With palladium(II) trifluoroacetate; 1,2-bis-(diphenylphosphino)ethane In N,N-dimethyl acetamide at 80℃; under 760.051 Torr; for 6h; Suzuki-Miyaura Coupling; | 87% |
Conditions | Yield |
---|---|
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane; water at 80℃; Suzuki Coupling; Inert atmosphere; | 87% |
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane at 80℃; Inert atmosphere; | 87% |
With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; sodium carbonate In 1,4-dioxane; water at 80℃; Suzuki Coupling; Inert atmosphere; | 87% |
pyridin-2-ylboronic acid
[2,2]bipyridinyl
Conditions | Yield |
---|---|
With palladium diacetate at 20℃; for 0.5h; | 87% |
With potassium phosphate In 1,4-dioxane at 85℃; for 3h; Catalytic behavior; Suzuki Coupling; Green chemistry; | 82% |
With nano-CuO-grafted triazine-functionalized covalent organic framework In methanol at 60℃; Catalytic behavior; | 59% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; toluene for 12h; Reflux; Inert atmosphere; | 87% |
3-Bromonitrobenzene
pyridin-2-ylboronic acid
2-(3-nitrophenyl)pyridine
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In N,N-dimethyl-formamide at 80 - 100℃; Inert atmosphere; | 86% |
4-chloropyrimidine
pyridin-2-ylboronic acid
2-(pyrimidin-4-yl)pyridine
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In water at 60℃; for 8h; Suzuki coupling; | 85% |
carbon monoxide
Phenyl triflate
pyridin-2-ylboronic acid
phenyl(pyridin-2-yl)methanone
Conditions | Yield |
---|---|
With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium(II) trifluoroacetate In tert-butyl methyl ether at 80℃; under 760.051 Torr; for 6h; Suzuki-Miyaura Coupling; | 85% |
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; sodium carbonate In 1,2-dimethoxyethane; water at 120℃; for 1h; Microwave irradiation; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
With 2Na(1+)*CuC6H4(NCHC6H3OO3S)2(2-)=CuC6H4(NCHC6H3ONaO3S)2 In water at 100℃; for 6h; | 83% |
(S)-3-(4-(5-bromo-2-fluoropyridin-3-yl)phenyl)-5,5-dimethyl-4-phenyloxazolidin-2-one
pyridin-2-ylboronic acid
(S)-3-(4-(6-fluoro-[3,3'-bipyridin]-5-yl)phenyl)-5,5-dimethyl-4-phenyloxazolidin-2-one
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,4-dioxane; water at 100℃; for 1h; Inert atmosphere; Sealed tube; Microwave irradiation; | 83% |
pyridin-2-ylboronic acid
2-aminopyridine
Conditions | Yield |
---|---|
With N-Bromosuccinimide; N-methoxylamine hydrochloride; bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile at 20℃; | 83% |
With N-Bromosuccinimide; CYANAMID; bis-[(trifluoroacetoxy)iodo]benzene In acetonitrile at 20℃; for 1h; chemoselective reaction; | 77% |
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In tetrahydrofuran; water for 5h; Inert atmosphere; Reflux; | 83% |
2,9-dichloro-4,7-diphenyl-1,10-phenanthroline
pyridin-2-ylboronic acid
Conditions | Yield |
---|---|
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In water; toluene for 12h; Inert atmosphere; Reflux; | 83% |
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