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:108-89-4
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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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inquiryUnique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Clear light yellow liquid Storage:Cool dry place Package:1kg/foill bag;25kg/drum Application:
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inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Cas:108-89-4
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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 providi
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
Product Description Product name 4-Methylpyridine CAS 108-89-4;51010-00-5 Assay 99% Appearance Colorles
Cas:108-89-4
Min.Order:1 Kilogram
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inquiryTIANFUCHEM--38235-71-1--High purity 3-HYDRAZINOBENZOIC ACID factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stab
Cas:108-89-4
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inquiryProduct Name 4-Methylpyridine Synonyms 4-Methylpyridine;4-Picoline CAS: 108-89-4 MF: C6H7N MW: 93.1265 EINECS: 203-626
Advantage : 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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inquiry4-Methylpyridine CAS:108-89-4 Specification Product name 4-Methylpyridine CAS 108-89-4;51010-00-5 Assay 99% Appearance Colorless liquid Capacity 500mt/year Min.package 1
Hangzhou 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
Cas:108-89-4
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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
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:108-89-4
Min.Order:1 Gram
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inquiryWe 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...)
Cas:108-89-4
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inquiryHangzhou Huarong Pharm Co., Ltd.established since 2006 , has been actively developing specialty products for Finished Dosages, APIs, Intermediates, and Fine chemicals markets in North America, Europe, Korea, Japan, Mid-East and all over the World. Hu
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SAGECHEM 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:108-89-4
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inquiryCapability on chemical synthesis1. Beijing High-Tech Enterprises2. Strong R&D Team3. 8 years of experiences in R & D of high-tech Catalyst;4. 5000 production techniques, 69 items of national patents, and 360 kinds of products on sales;5. The producti
Superior quality, moderate price & quick delivery. Appearance:Clear light yellow liquid Storage:Well-sealed and put in dry and cool conditions. Package:as per your request Application:Used as Pharmaceutical Intermediates,ect. Transportation:as
ISO Factory/Good qualityAppearance:off white Storage:dry and cool place Package:10G/BAG; 1KG/BAG ;25KG/DRUM Application:Active pharaceutical ingredients Transportation:BY SEA,AIR,EXPRESS Port:shenzhen/shanghai
high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city?in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api,?intermediat
Product Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:108-89-4
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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
HOT SALE 4-Methylpyridine cas 108-89-4 Application:HOT SALE 4-Methylpyridine cas 108-89-4
Supply top quality products with a reasonable price Application:api
Conditions | Yield |
---|---|
With methyloxorhenium(V)(2-(mercaptomethyl)thiophenolate) triphenylphosphine; tetrabutylammomium bromide; triphenylphosphine In water; benzene at 20℃; for 0.7h; | 100% |
With titanium In tetrahydrofuran for 0.25h; Ambient temperature; | 98% |
With titanium tetrachloride; tin(ll) chloride In benzene for 0.5h; Ambient temperature; | 98% |
4-methyl-1-(2-oxo-2-phenylethyl)pyridinium bromide
A
picoline
B
acetophenone
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In acetic acid; acetonitrile preparative electrolyse, - 1.33 V; | A 96% B 90% |
tert-butylisonitrile
A
picoline
Conditions | Yield |
---|---|
In dichloromethane under N2 or Ar, refluxed for 3 h, solvent removed under HV; chromd. (silica gel, 0°C, CH2Cl2/Et2O (1/2)), solvent removed, pentane added; elem. anal., IR, NMR, mass spectra; | A n/a B 93% |
picoline
Conditions | Yield |
---|---|
With dipotassium peroxodisulfate In acetonitrile for 1.5h; Heating; | 92% |
benzyltri(2-(4-methylpyridyl))phosphonium bromide
A
picoline
B
[2,2]bipyridinyl
C
4,4'-dimethyl-2,2'-bipyridines
Conditions | Yield |
---|---|
With hydrogenchloride In water for 0.5h; Product distribution; Ambient temperature; variation of pH, temp. and time; | A 17% B n/a C 84% |
benzyltri(2-(4-methylpyridyl))phosphonium bromide
A
picoline
B
4,4'-dimethyl-2,2'-bipyridines
Conditions | Yield |
---|---|
With hydrogenchloride In water for 0.5h; Ambient temperature; | A 17% B 84% C n/a |
4-[(trimethylsilanyl)methyl]-pyridine
benzaldehyde
A
picoline
B
1-phenyl-2-( pyridin-4-yl)ethanol
Conditions | Yield |
---|---|
With hydrogenchloride; potassium fluoride; 18-crown-6 or silica-supported tetrabutylammonium fluoride In tetrahydrofuran at 20℃; for 12h; Yields of byproduct given; | A n/a B 80% |
Conditions | Yield |
---|---|
Stage #1: 4-iodopyridine; bis(iodozinc)methane With triphenylphosphine; nickel dichloride In tetrahydrofuran at 40℃; Stage #2: With hydrogenchloride In tetrahydrofuran; water Reagent/catalyst; chemoselective reaction; | 74% |
4-[(trimethylsilanyl)methyl]-pyridine
benzyl bromide
A
picoline
B
4-(2-phenylethyl)pyridine
Conditions | Yield |
---|---|
With hydrogenchloride; potassium fluoride; 18-crown-6 or silica-supported tetrabutylammonium fluoride In tetrahydrofuran at 20℃; for 12h; Yields of byproduct given; | A n/a B 70% |
Conditions | Yield |
---|---|
In perchloric acid addn. of Na2CO3;; | A 70% B 30% |
With sodium carbonate byproducts: pyridine-4-aldehyde; | A 20% B n/a |
With Na2CO3 | |
In perchloric acid |
4-(phenylethynyl)pyridine
ethylenediamine
A
picoline
B
2-phenyl-2-imidazoline
Conditions | Yield |
---|---|
In pyridine for 40h; Reflux; | A 27 %Chromat. B 70% |
Conditions | Yield |
---|---|
With samarium diiodide; phosphoric acid In tetrahydrofuran for 0.000833333h; Ambient temperature; | 67% |
2,6-bis(methylthio)-4-methylpyridine
picoline
Conditions | Yield |
---|---|
With nickel In ethanol for 3h; Ambient temperature; | 65% |
4-(Chloromethyl)pyridine
benzaldehyde
A
picoline
B
1-phenyl-2-( pyridin-4-yl)ethanol
Conditions | Yield |
---|---|
With dipotassium hydrogenphosphate; silver nitrate; zinc In water at 30℃; for 1h; | A 48% B 64% |
Conditions | Yield |
---|---|
With ammonia; Pb(5.3percent)/borotitano silicate at 420℃; for 1h; Product distribution / selectivity; Molecular sieve; | A 2.4% B 61.3% C 21.6% |
With ammonia; Pb/SnS-1B at 395℃; Product distribution / selectivity; | A 1% B 53.4% C 22.3% |
With ammonia; titanium-silicate catalyst (sample C) at 250 - 400℃; Conversion of starting material; | A 0.88% B 53.44% C 20.55% |
formaldehyd
acetaldehyde
A
pyridine
B
α-picoline
C
picoline
D
3-Methylpyridine
Conditions | Yield |
---|---|
With Pb-ZSM-5 zeolite; ammonia In gas | A 60% B 7% C 4% D 8% |
With Co-ZSM-5 zeolite; ammonia In gas | A 57% B 6% C 8% D 7% |
With Ag-ZSM-5 zeolite; ammonia In gas | A 42% B 3% C 6% D 11% |
With pentasil zeolite H-ZSM-5; ammonia In gas at 450℃; Product distribution; synthesis of pyridine bases over ion-exchanged pentasil zeolite; var. zeolites, var. Si/Al atomic ratio; | A 42% B 3% C 5% D 11% |
Conditions | Yield |
---|---|
With samarium diiodide; Trimethylacetic acid In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide at 20℃; for 0.166667h; Reduction; | 60% |
Multi-step reaction with 2 steps 1: benzene 2: palladium; methanol. NaOH-solution / Hydrogenation View Scheme |
N-butyl-4-methylpyridinium bromide
sodium cyclopentadienylide
picoline
Conditions | Yield |
---|---|
Stage #1: sodium cyclopentadienylide In tetrahydrofuran; N,N-dimethyl-formamide at 0℃; for 0.166667h; Inert atmosphere; Stage #2: N-butyl-4-methylpyridinium bromide In tetrahydrofuran; N,N-dimethyl-formamide at 20 - 190℃; for 4h; Inert atmosphere; | 60% |
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In acetonitrile preparative electrolyse, - 0.89 V; | A 52% B n/a C 18% |
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In acetonitrile at 20℃; Rate constant; electrolyse, -0.89 V; | A 52% B 18% |
Conditions | Yield |
---|---|
With water-d2 In water-d2 | A 50% B n/a |
With D2O In water-d2 |
Conditions | Yield |
---|---|
With samarium diiodide; phosphoric acid In tetrahydrofuran for 0.000833333h; Ambient temperature; | 48% |
With sulfuric acid elektrochemische Reduktion; | |
With sulfuric acid elektrochemische Reduktion; | |
With acetic acid; zinc |
4-methylpyridine-1-oxide
N,N-Dimethylthiocarbamoyl chloride
A
picoline
Conditions | Yield |
---|---|
In acetonitrile at 81℃; for 4h; | A 39% B 3% C 4% |
4-methylpyridine-1-oxide
N-Methylformamide
A
picoline
B
N,4-dimethylpyridine-2-carboxamide
Conditions | Yield |
---|---|
for 32h; Heating; | A n/a B 38% |
4-methyl-N-(4-nitrobenzyl)pyridinium bromide
A
picoline
B
1-methyl-4-nitrobenzene
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In acetonitrile preparative electrolyse, - 0.99 V; | A 38% B 35% |
With tetraethylammonium perchlorate In acetonitrile electrolysis reaction; | A 38% B 35% |
With tetraethylammonium perchlorate In acetonitrile at 20℃; Rate constant; electrolyse, -0.99 V; | A 38% B 35% |
Conditions | Yield |
---|---|
nickel(II) nitrate In methanol for 24h; Product distribution; Irradiation; | 37% |
Conditions | Yield |
---|---|
With hydrogenchloride; samarium for 0.166667h; Ambient temperature; | A 21% B 37% |
Conditions | Yield |
---|---|
Darkness; | 100% |
Darkness; | 100% |
In ethanol for 24h; Reflux; | 100% |
Conditions | Yield |
---|---|
Darkness; | 100% |
Darkness; | 100% |
picoline
1-bromomethyl-4-nitro-benzene
4-methyl-N-(4-nitrobenzyl)pyridinium bromide
Conditions | Yield |
---|---|
In acetone; benzene at 20℃; for 24h; | 100% |
In dichloromethane at 20℃; for 2h; | 46% |
Conditions | Yield |
---|---|
In diethyl ether at 20℃; for 120h; Methylation; | 100% |
In acetone for 2h; Reflux; | 100% |
In methanol at 90℃; for 12h; Inert atmosphere; | 97% |
Conditions | Yield |
---|---|
With ammonia; oxygen; V*4Ti*4Sn*xO at 375℃; var. temp.; influence of water additions and heat-treatment temperature of catalyst; also 2-picoline; | 100% |
With ammonia; oxygen; V*4Ti*4Sn*xO at 375 - 390℃; | 100% |
100% |
picoline
4-fluorobenzoic acid ethyl ester
1-(4-fluorophenyl)-2-(4-pyridyl)ethanone
Conditions | Yield |
---|---|
With sodium hexamethyldisilazane In tetrahydrofuran | 100% |
Stage #1: picoline With lithium hexamethyldisilazane In tetrahydrofuran at 0℃; for 1h; Inert atmosphere; Stage #2: 4-fluorobenzoic acid ethyl ester In tetrahydrofuran at 0 - 20℃; for 2.75h; | 95% |
With lithium hexamethyldisilazane In tetrahydrofuran at 0 - 25℃; flow microreactor; | 94% |
Conditions | Yield |
---|---|
100% | |
In acetonitrile at 45℃; for 3h; | 99% |
In acetonitrile at 100℃; for 12h; | 98.71% |
Conditions | Yield |
---|---|
Darkness; | 100% |
Darkness; | 100% |
In acetonitrile at 70℃; | 97% |
Conditions | Yield |
---|---|
at 20℃; for 24h; | 100% |
Conditions | Yield |
---|---|
In water; dimethyl sulfoxide at 25℃; Kinetics; | 100% |
Conditions | Yield |
---|---|
In ethanol for 36h; Heating / reflux; | 100% |
Conditions | Yield |
---|---|
In tetrachloromethane under N2; soln. of SnCl4 in CCl4 mixed with ligand (molar ratio 1:2); stirred for several h; filtered; solid washed with petroleum ether; dried in vac.; stored in desiccator over CaCl2; elem. anal.; | 100% |
picoline
Conditions | Yield |
---|---|
In dichloromethane (Ar), stirred for 15 min; filtered, solvent reduced, Et2O added, solid washed with Et2O, recrystd. from CH2Cl2/Et2O at -30°C, elem. anal.; | 100% |
Conditions | Yield |
---|---|
In dichloromethane add. of excess of methylpyridine to Pd-compound in CH2Cl2; filtration on a Celite column (4cm), evaporation, washing with pentane, elem. anal.; | 100% |
picoline
Conditions | Yield |
---|---|
In dichloromethane (N2), 4-picoline added to a soln. of the FeCd-complex, stirred for 5 min; solvent removed, dried in vacuo for several hours, elem. anal.; | 100% |
Conditions | Yield |
---|---|
In dichloromethane stirred soln. of complex and γ-picoline in CH2Cl2 at 25°C for 12 h, removed the solvent in vac.; chromy., elem. anal.; | 100% |
picoline
(C5H4B(CH3)2(C6H7N))2Fe
Conditions | Yield |
---|---|
In dichloromethane byproducts: 4,4'-bipyridine; Ar atmosphere; | 100% |
picoline
(C5H4B(CH3)2(C6H7N))2Fe
Conditions | Yield |
---|---|
In not given byproducts: 1,2-bis(4-pyridyl)ethane; Ar atmosphere; | 100% |
picoline
trans-dichlorobis(γ-picoline)palladium(II)
Conditions | Yield |
---|---|
In acetonitrile dissoln. of Pd-compd. under reflux (1-2 h), ligand addn.; cooling, ppt. filtration off, washing (ethanol), drying; elem. anal.; | 100% |
In acetonitrile (Ar), room temp., 24 h; | |
In acetonitrile at 20℃; for 24h; Inert atmosphere; | |
In acetonitrile at 20℃; for 24h; Inert atmosphere; |
picoline
di-μ-chloro-dichloro-bis[η5-(perfluorobutyl)tetramethylcyclopentadienyl]-dirhodium(III)
dichloro-(perfluorohexyl)tetramethylcyclopentadienyl-(4-methylpyridine)-rhodium(III)
Conditions | Yield |
---|---|
In chloroform (Ar); methylpyridine was added to soln. of Rh complex in CHCl3; mixt. was stirred for 2 h at room temp.; evapd.; dried (vac.); elem. anal.; | 100% |
Conditions | Yield |
---|---|
Stage #1: picoline With lithium diisopropyl amide In tetrahydrofuran; n-heptane; ethylbenzene at -78℃; for 0.5h; Inert atmosphere; Stage #2: 1-Bromopentane In tetrahydrofuran; n-heptane; ethylbenzene at 20℃; for 20h; | 100% |
Conditions | Yield |
---|---|
In further solvent(s) suspn. of CuCN in 4MePy heated in sealed tube under Ar to 70°C overnight, cooled; ppt. filtered off, washed with Et2O, air dried for 15 min; elem. anal.; | 100% |
Conditions | Yield |
---|---|
In 1,4-dioxane at 101℃; for 16h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In chloroform | 100% |
picoline
6-bromo-hexanoic acid ethyl ester
Conditions | Yield |
---|---|
In acetonitrile at 90℃; Reflux; | 100% |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium hexamethylsilazane In tetrahydrofuran at 0℃; for 3h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium hexamethylsilazane In tetrahydrofuran at 0℃; for 3h; Inert atmosphere; | 100% |
Conditions | Yield |
---|---|
In toluene at 20℃; for 2h; Inert atmosphere; Schlenk technique; | 100% |
picoline
tetrakis(actonitrile)copper(I) hexafluorophosphate
2,9-dimesityl-[1,10]-phenanthroline
Conditions | Yield |
---|---|
In dichloromethane-d2 for 0.0333333h; Sonication; | 100% |
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