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
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inquiryOur 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
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inquiry6-(trifluoroMethoxy)nicotinic acid CAS:940895-85-2 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 qual
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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
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inquiryOur 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 on.O
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inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
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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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inquiryShandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W
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inquirywe are professional Pharmaceutical company. We are specialized in manufacturing and R&D of API & Intermediates, Contract Manufacturing, Contract Research, and International Trading business as well. *We own a R&D center in Hangzhou. I
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inquiryLower 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
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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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inquiry6-(Trifluoromethoxy)nicotinic acidAppearance:detailed in specifications Storage:Keep away of light, cool place Package:25kg/drum;200kg/drum Application:An important raw material and intermediate used in Organic Synthesis, Pharmaceuticals Transportati
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inquiryBest Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
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inquirybest seller Application:API
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inquiry1. Professional manufacturing and R&D department 2.Sperior quality and good package 3.Fast and safety delivery by well-reputed shipping line; 4.Better payment term and cost advantage: the origin of medicinal materials for the low purchase pric
Cas:940895-85-2
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inquiryPrice, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
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inquiryWatson International Ltd' has a very strong R&D and technical capacity supported by FCAD's platform. The subsidiaries under FCAD Group have accumulated much know-how of different fine chemical branches. For example, Apnoke Scientific L
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inquiryBetterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in
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inquiryFor quick quotation, please send us the inquiry include CAS#, Structure, Chemical Name, quantity, purity, as well as any additional specifications you require, we will try to get back to you within 24 hours. Our Services Besides manufacturing,
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inquiryWe did before and have a mature technology.If you need NMR/HPLC,please contact with us Package:As your requrement Application:Intermediate Transportation:By Express
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inquiryGood QualityCompetitive priceFirst-class serviceAppearance:White to offwhite crystalline powder Storage:Stored in cool,sealed,ventilated condition Application:Pharmaceutical intermediates Transportation:By express, by sea, by air
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inquiryWe have two R&D center both in Suzhou and Nanjing. The R&D Center owns labs with 2500m1001 Production Base. And excellent staff, advanced equipments ,instruments, strict quality management system enhance our competitiveness.We are good at rare&hard t
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inquiryCas:940895-85-2
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid Storage:keep sealed and keep from direct light Package:According client's requirements Application:Phar
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inquiry2-chloro-6-(trifluoromethoxy)nicotinic acid
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
With ammonium formate; palladium 10% on activated carbon In methanol at 55℃; for 16h; | 81% |
With palladium 10% on activated carbon; ammonium formate In methanol at 55℃; for 16h; | 81% |
With palladium 10% on activated carbon; ammonium formate In methanol at 20 - 25℃; for 16h; | 76% |
With ammonium formate; palladium on activated charcoal In methanol at 60℃; for 17h; |
6-chloro-2-hydroxypyridine
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: sodium hydroxide / chloroform / 2.5 h / 0 °C 1.2: 26 h / 20 °C 2.1: antimonypentachloride; antimony(III) fluoride / 3.33 h / 120 °C / Inert atmosphere 3.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 2.5 h / -78 °C 3.2: 1 h / 20 °C 4.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 4.3: pH 5 5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 0 - 20 °C 6.1: ammonium formate / palladium on activated charcoal / methanol / 17 h / 60 °C View Scheme |
2-chloro-6-(trifluoromethoxy)-5-(trimethylsilyl)pyridine
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 1.3: pH 5 2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 0 - 20 °C 3.1: ammonium formate / palladium on activated charcoal / methanol / 17 h / 60 °C View Scheme | |
Multi-step reaction with 2 steps 1.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / hexane; tetrahydrofuran / 2 h / -78 °C 1.3: 20 h / 25 °C 2.1: palladium 10% on activated carbon; ammonium formate / methanol / 16 h / 20 - 25 °C View Scheme |
2-chloro-6-(trifluoromethoxy)-5-(trimethylsilyl)nicotinic acid
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 0 - 20 °C 2: ammonium formate / palladium on activated charcoal / methanol / 17 h / 60 °C View Scheme |
2-chloro-6-(trifluoromethoxy)pyridine
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 2.5 h / -78 °C 1.2: 1 h / 20 °C 2.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 2.3: pH 5 3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 0 - 20 °C 4.1: ammonium formate / palladium on activated charcoal / methanol / 17 h / 60 °C View Scheme | |
Multi-step reaction with 3 steps 1.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 2 h / -78 °C 1.2: 25 °C 2.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / hexane; tetrahydrofuran / 2 h / -78 °C 2.3: 20 h / 25 °C 3.1: palladium 10% on activated carbon; ammonium formate / methanol / 16 h / 20 - 25 °C View Scheme |
2-chloro-6-(trichloromethoxy)pyridine
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: antimonypentachloride; antimony(III) fluoride / 3.33 h / 120 °C / Inert atmosphere 2.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 2.5 h / -78 °C 2.2: 1 h / 20 °C 3.1: n-butyllithium / hexane; tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 3.3: pH 5 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 16 h / 0 - 20 °C 5.1: ammonium formate / palladium on activated charcoal / methanol / 17 h / 60 °C View Scheme | |
Multi-step reaction with 4 steps 1.1: antimony(III) fluoride; antimonypentachloride / 3 h / 120 - 140 °C 2.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 2 h / -78 °C 2.2: 25 °C 3.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / hexane; tetrahydrofuran / 2 h / -78 °C 3.3: 20 h / 25 °C 4.1: palladium 10% on activated carbon; ammonium formate / methanol / 16 h / 20 - 25 °C View Scheme |
6-chloro-2-pyridone
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: sodium hydroxide / dichloromethane; water / 2 h / 0 °C 1.2: 26 h / 25 °C 2.1: antimony(III) fluoride; antimonypentachloride / 3 h / 120 - 140 °C 3.1: n-butyllithium; diisopropylamine / hexane; tetrahydrofuran / 2 h / -78 °C 3.2: 25 °C 4.1: n-butyllithium; 2,2,6,6-tetramethyl-piperidine / hexane; tetrahydrofuran / 2 h / -78 °C 4.3: 20 h / 25 °C 5.1: palladium 10% on activated carbon; ammonium formate / methanol / 16 h / 20 - 25 °C View Scheme |
6-(trifluoromethoxy)nicotinic acid
N,O-dimethylhydroxylamine*hydrochloride
N-methoxy-N-methyl-6-(trifluoromethoxy)nicotinamide
Conditions | Yield |
---|---|
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine In dichloromethane at 20℃; for 16h; | 90% |
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
With borane-THF In tetrahydrofuran at 0 - 20℃; | 70% |
6,7-dimethoxy-4-(piperidin-4-yl)quinazoline
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 31% |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 20℃; | 31% |
6-(trifluoromethoxy)nicotinic acid
6-(trifluoromethoxy)nicotinaldehyde
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / -78 °C View Scheme |
6-(trifluoromethoxy)nicotinic acid
A
3-hydroxy-4-(4-isopropylbenzoyl)-1-(6-methylpyridazin-3-yl)-5(R)-(6-(trifluoromethoxy)pyridin-3-yl)-1H-pyrrol-2(5H)-one
B
3-hydroxy-4-(4-isopropylbenzoyl)-1-(6-methylpyridazin-3-yl)-5(S)-(6-(trifluoromethoxy)pyridin-3-yl)-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / -78 °C 3.1: acetic acid / ethanol / 0.25 h / 20 °C 3.2: 24 h / Reflux 4.1: diethylamine / ethanol; carbon dioxide / 25 °C / 112511 Torr / Resolution of racemate View Scheme |
6-(trifluoromethoxy)nicotinic acid
3-hydroxy-4-(4-isopropylbenzoyl)-1-(6-methylpyridazin-3-yl)-5-(6-(trifluoromethoxy)pyridin-3-yl)-1H-pyrrol-2(5H)-one
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / -78 °C 3.1: acetic acid / ethanol / 0.25 h / 20 °C 3.2: 24 h / Reflux View Scheme |
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: triethylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 16 h / 20 °C 2.1: lithium aluminium tetrahydride / tetrahydrofuran / 2 h / -78 °C 3.1: acetic acid / ethanol / 0.25 h / 20 °C 3.2: 24 h / Reflux 4.1: hydrogenchloride / dichloromethane; diethyl ether / 1 h / 20 °C View Scheme |
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: borane-THF / tetrahydrofuran / 0 - 20 °C 2: methanesulfonyl chloride; triethylamine / dichloromethane / 0 - 20 °C 3: potassium carbonate / acetonitrile / 5 h / 20 °C View Scheme |
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: borane-THF / tetrahydrofuran / 0 - 20 °C 2: methanesulfonyl chloride; triethylamine / dichloromethane / 0 - 20 °C 3: potassium carbonate / acetonitrile / 5 h / 20 °C View Scheme |
6-(trifluoromethoxy)nicotinic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: borane-THF / tetrahydrofuran / 0 - 20 °C 2: methanesulfonyl chloride; triethylamine / dichloromethane / 0 - 20 °C View Scheme |
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