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
Cas:3430-18-0
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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
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 2,5-DIBROMO-3-METHYLPYRIDINE CAS No. 3430-18-0 Appearanc
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inquiryHigh quality 2,5-Dibromo-3-methylpyridine CAS 3430-18-0 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food
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inquiryhe company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality se T rvice Appearance:
The 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 providi
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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:3430-18-0
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inquiry2,5-Dibromo-3-methylpyridine Basic information Product Name: 2,5-Dibromo-3-methylpyridine Synonyms: 2,5-DIBROMO-3-METHYLPYRIDINE;2,5-DIBROMO-3-PICOLINE;TIMTEC-BB SB
Cas:3430-18-0
Min.Order:1 Gram
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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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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
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inquiryProduct Name: 2,5-Dibromo-3-methylpyridine CAS: 3430-18-0 MF: C6H5Br2N MW: 250.92 EINECS: 608-965-5 Mol File: 3430-18-0.mol 2,5-Dibromo-3-methylpyridine Structure 2,5-Dibromo-3-methylpyridine Chemical Properties Melting point
Cas:3430-18-0
Min.Order:1 Gram
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inquiry2,5-Dibromo-3-methylpyridine CAS:3430-18-0 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 organ
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Min.Order:1 Gram
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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:3430-18-0
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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&
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inquiryOur 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
Cas:3430-18-0
Min.Order:1 Gram
FOB Price: $7.2 / 8.4
Type:Trading Company
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
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
Triumph has the complete production of G- KG - MT service chain,we can make the new technology into productivity quickly in the research and development of new products. Main Service 1.Own made fine chemical products 2.Out sourcing and quality c
Cas:3430-18-0
Min.Order:100 Metric Ton
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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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
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
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Min.Order:4 Kilogram
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Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:3430-18-0
Min.Order:1 Gram
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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
Cas:3430-18-0
Min.Order:10 Gram
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:3430-18-0
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Shandong 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
Cas:3430-18-0
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inquiry1.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
Cas:3430-18-0
Min.Order:1 Metric Ton
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inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
Conditions | Yield |
---|---|
With hydrogen bromide; bromine; sodium nitrite In water at -15℃; for 3h; | 94% |
With hydrogen bromide; bromine; sodium nitrite In water at -15 - 23℃; for 3h; | 94% |
Stage #1: 5-bromo-3-methyl-pyridin-2-ylamine With hydrogen bromide; bromine at -15 - -10℃; Stage #2: With sodium nitrite at 15 - 20℃; Temperature; | 91.8% |
Conditions | Yield |
---|---|
With hydrogen bromide; bromine; sodium nitrite 1.) bromination; 2.) water, -10 deg C, 1.5 h, 0 deg C, 0.5 h; Multistep reaction; | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.42 h / 20 °C / Cooling with ice 2: hydrogen bromide; bromine; sodium nitrite / water / 3 h / -15 °C View Scheme | |
Multi-step reaction with 2 steps 1: N-Bromosuccinimide; ammonium acetate / acetonitrile / 0.42 h / 0 - 23 °C 2: hydrogen bromide; bromine; sodium nitrite / water / 3 h / -15 - 23 °C View Scheme |
2,5-dibromo-3-methylpyridine
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid at 100℃; | 99% |
Conditions | Yield |
---|---|
In water at 150℃; for 1h; Microwave irradiation; | 98% |
In water at 150℃; for 1h; Microwave irradiation; | 98% |
2,5-dibromo-3-methylpyridine
5-bromo-2-iodo-3-methylpyridine
Conditions | Yield |
---|---|
With sodium iodide In acetyl chloride; acetonitrile for 24h; Reflux; | 97% |
With acetyl chloride; sodium iodide In acetonitrile for 24h; Reflux; | 97% |
With acetyl chloride; sodium iodide In acetonitrile for 16h; Reflux; | 94.78% |
morpholine
2,5-dibromo-3-methylpyridine
4-(5-bromo-3-methylpyridin-2-yl)morpholine
Conditions | Yield |
---|---|
at 210℃; for 0.166667h; Sealed tube; Microwave irradiation; | 97% |
at 140℃; for 6h; |
Conditions | Yield |
---|---|
Stage #1: acetonitrile With n-butyllithium In tetrahydrofuran at -78℃; for 0.916667h; Stage #2: 2,5-dibromo-3-methylpyridine In tetrahydrofuran at -78 - 20℃; for 2h; | 97% |
Stage #1: acetonitrile With n-butyllithium In tetrahydrofuran at -78℃; for 1.5h; Inert atmosphere; Stage #2: 2,5-dibromo-3-methylpyridine In tetrahydrofuran at 33℃; for 3h; Temperature; | 86% |
Conditions | Yield |
---|---|
Stage #1: benzyl alcohol With sodium hydride In tetrahydrofuran for 1.5h; Reflux; Stage #2: 2,5-dibromo-3-methylpyridine In tetrahydrofuran at 20℃; for 12h; Reflux; | 95% |
Conditions | Yield |
---|---|
In methanol at 20℃; for 18h; | 93% |
2,5-dibromo-3-methylpyridine
2-methoxy-ethanol
5-bromo-2-(2-methoxy-ethoxy)-3-methyl-pyridine
Conditions | Yield |
---|---|
Stage #1: 2-methoxy-ethanol With sodium hydride In dimethyl sulfoxide; mineral oil at 20℃; for 0.5h; Stage #2: 2,5-dibromo-3-methylpyridine In dimethyl sulfoxide; mineral oil at 60℃; for 1h; | 91% |
Stage #1: 2-methoxy-ethanol With sodium hydride In dimethyl sulfoxide; mineral oils at 20℃; for 0.5h; Stage #2: 2,5-dibromo-3-methylpyridine In dimethyl sulfoxide; mineral oils at 60℃; for 1h; | 91% |
2,5-dibromo-3-methylpyridine
Conditions | Yield |
---|---|
With 1-methyl-1H-imidazole; copper(l) iodide; potassium carbonate In toluene at 120℃; for 16h; Sealed tube; Inert atmosphere; | 90% |
2,5-dibromo-3-methylpyridine
sodium methylate
5-bromo-2-methoxy-3-methylpyridine
Conditions | Yield |
---|---|
In methanol at 120℃; for 0.666667h; | 89% |
Stage #1: 2,5-dibromo-3-methylpyridine; sodium methylate In methanol at 120℃; for 0.666667h; Stage #2: With hydrogenchloride In methanol; water at 0℃; | 89% |
In methanol at 100℃; for 2h; Inert atmosphere; | 77.8% |
2,5-dibromo-3-methylpyridine
Cyclopropylmethanol
5-bromo-2-(cyclopropylmethoxy)-3-methylpyridine
Conditions | Yield |
---|---|
Stage #1: Cyclopropylmethanol With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.333333h; Stage #2: 2,5-dibromo-3-methylpyridine In N,N-dimethyl-formamide at 60℃; | 89% |
2,5-dibromo-3-methylpyridine
(2R)-methylpiperazine
(R)-1-(5-bromo-3-methylpyridin-2-yl)-3-methylpiperazine
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl acetamide at 130℃; for 24h; Large scale; | 88% |
In N,N-dimethyl acetamide at 130℃; for 16h; | |
In N,N-dimethyl acetamide at 130℃; for 16h; Product distribution / selectivity; |
2,5-dibromo-3-methylpyridine
phenylboronic acid
5-bromo-3-methyl-2-phenylpyridine
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate; triphenylphosphine In methanol; acetonitrile at 50℃; for 24h; Suzuki Coupling; Inert atmosphere; regioselective reaction; | 88% |
Conditions | Yield |
---|---|
With sodium hydride In tetrahydrofuran at 0 - 20℃; for 4h; | 86.9% |
2,5-dibromo-3-methylpyridine
Conditions | Yield |
---|---|
Stage #1: 2,5-dibromo-3-methylpyridine With n-butyllithium; Triisopropyl borate In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Inert atmosphere; Stage #2: With potassium hydrogen difluoride In tetrahydrofuran; hexane at 20℃; | 85% |
N-Methylformamide
2,5-dibromo-3-methylpyridine
(5-bromo-3-methylpyridin-2-yl)methylamine
Conditions | Yield |
---|---|
With sodium hydride In N,N-dimethyl-formamide at 100℃; for 3h; Temperature; Reagent/catalyst; | 84.2% |
Stage #1: N-Methylformamide With potassium tert-butylate In N,N-dimethyl-formamide at 20 - 80℃; for 1.5h; Stage #2: 2,5-dibromo-3-methylpyridine In N,N-dimethyl-formamide for 2h; | 70.4% |
Conditions | Yield |
---|---|
With copper(l) iodide; palladium(II) trifluoroacetate; palladium diacetate; diisopropylamine In methanol; acetonitrile for 24h; Reflux; Inert atmosphere; regioselective reaction; | 84% |
2,5-dibromo-3-methylpyridine
2,3-dichlorobenzeneboronic acid
Conditions | Yield |
---|---|
With palladium diacetate; potassium carbonate; triphenylphosphine In methanol; acetonitrile at 50℃; for 24h; Inert atmosphere; | 81% |
2,5-dibromo-3-methylpyridine
carbon monoxide
aniline
3-methyl-5-bromopyridine-2-N-phenylamide
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; palladium diacetate In toluene; acetonitrile at 65℃; under 4137.29 Torr; for 48h; Product distribution / selectivity; | 76% |
With triethylamine; bis-triphenylphosphine-palladium(II) chloride In acetonitrile at 60℃; under 4137.29 Torr; for 72h; Product distribution / selectivity; | 59% |
4-morpholinecarboxaldehyde
2,5-dibromo-3-methylpyridine
6-bromo-5-methylpyridine-3-carbaldehyde
Conditions | Yield |
---|---|
Stage #1: 2,5-dibromo-3-methylpyridine With isopropylmagnesium chloride In tetrahydrofuran at 0 - 25℃; for 3h; Stage #2: 4-morpholinecarboxaldehyde In tetrahydrofuran at 17 - 25℃; for 1h; | 74% |
Stage #1: 2,5-dibromo-3-methylpyridine With isopropylmagnesium chloride In tetrahydrofuran at 0 - 20℃; for 3h; Stage #2: 4-morpholinecarboxaldehyde In tetrahydrofuran at 20℃; for 1h; | 74% |
Stage #1: 2,5-dibromo-3-methylpyridine With isopropylmagnesium chloride In tetrahydrofuran at -78℃; for 0.5h; Inert atmosphere; Stage #2: 4-morpholinecarboxaldehyde In tetrahydrofuran at 0℃; for 2.5h; |
2,5-dibromo-3-methylpyridine
5-bromo-3-methylpyridine-2-carbonitrile
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide for 2h; Reflux; | 74% |
In N,N-dimethyl-formamide for 2h; Reflux; | 74% |
In water; N,N-dimethyl-formamide | 61.3% |
2,5-dibromo-3-methylpyridine
ethyl 3-[6-cyano-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-yl]-propanoate
Ethyl 3-(5-bromo-2’-cyano-3-methyl-2,3’-bipyridine-5’-yl)-propanoate
Conditions | Yield |
---|---|
With potassium phosphate; palladium diacetate; triphenylphosphine In 1,4-dioxane; water at 80℃; for 4h; Inert atmosphere; | 74% |
Stage #1: 2,5-dibromo-3-methylpyridine With potassium phosphate; palladium diacetate; triphenylphosphine In 1,4-dioxane; water at 20℃; for 0.166667h; Suzuki Coupling; Inert atmosphere; Stage #2: ethyl 3-[6-cyano-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine-3-yl]-propanoate In 1,4-dioxane; water at 80℃; for 2.5h; Suzuki Coupling; Inert atmosphere; regioselective reaction; | 74% |
With potassium phosphate; triphenylphosphine; palladium diacetate In 1,4-dioxane; water at 20 - 80℃; Inert atmosphere; |
2,5-dibromo-3-methylpyridine
carbon monoxide
N,N',N'-trimethylenediamine
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride In toluene; acetonitrile at 55℃; under 517.162 - 5171.62 Torr; for 6h; | A 72% B n/a |
2,5-dibromo-3-methylpyridine
9-cyclopentyl-9H-pyrido[4′,3′:4,5]pyrrolo[2,3-d]pyrimidin-2-amine
N-(5-bromo-3-methyl-2-pyridinyl)-9-cyclopentyl-9H-pyrido[4',3':4,5]pyrrolo[2,3-d]pyrimidin-2-amine
Conditions | Yield |
---|---|
With sodium t-butanolate; tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 140℃; for 1h; Microwave irradiation; | 71% |
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride In toluene; acetonitrile at 55℃; under 517.162 - 5171.62 Torr; for 6h; | A 70% B n/a |
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride In toluene; acetonitrile at 55℃; under 517.162 - 5171.62 Torr; for 6h; | A 69% B n/a |
Conditions | Yield |
---|---|
With sodium tetrahydroborate; N,N,N,N,-tetramethylethylenediamine; palladium diacetate; triphenylphosphine In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere; regioselective reaction; | 68% |
2,5-dibromo-3-methylpyridine
carbon monoxide
tert-butylamine
B
5-bromo-N-(tert-butyl)-3-methylpicolinamide
Conditions | Yield |
---|---|
With triethylamine; bis-triphenylphosphine-palladium(II) chloride In toluene; acetonitrile at 55℃; under 517.162 - 5171.62 Torr; for 6h; | A n/a B 67% |
2,5-dibromo-3-methylpyridine
2,3-dichlorobenzenethiol
Conditions | Yield |
---|---|
With tris-(dibenzylideneacetone)dipalladium(0); N-ethyl-N,N-diisopropylamine; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene In 1,4-dioxane at 25℃; Heating; | 67% |
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