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:289-95-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryhigh quality Appearance:white powder 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
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
Our advantage: 1: High quality and Competitive price 2: Quality control, GC&HPLC&NMR or as your requested 3: Packing as your requested, and double check before shipment 4: Prompt shipment with professional documents 5: Excellent after-
Cas:289-95-2
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Trading Company
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
Our 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
WITH 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:289-95-2
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiryOur Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
1. Product advantages ♦ High purity, all above 98.5%, no impurities after the dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available &diam
Cas:289-95-2
Min.Order:1 Kilogram
FOB Price: $7.0 / 10.0
Type:Trading Company
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&
Cas:289-95-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct name: Pyrimidine CAS : 289-95-2 Appearance: Oily liquid Content: 99% Appearance:Oily liquid Storage:Preserve in well-closed, light-resistant and airtight containers. Package:25kg/drum Application: Pharmaceutical Intermediate Transportation:By
1.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:289-95-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryHanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d
Cas:289-95-2
Min.Order:1 Kilogram
FOB Price: $1.0
Type:Trading Company
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:289-95-2
Min.Order:1 Kilogram
FOB Price: $42.8 / 46.1
Type:Trading Company
inquiryPyrimidine CAS:289-95-2 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 quality organic intermediates, s
Cas:289-95-2
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
Henan 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
Pyrimidine CAS: 289-95-2 Specification mp 19-22 °c(lit.) bp 123-124 °c(lit.) density 1.016 g/ml at 25 °c(lit.) refractive index n20/d 1.504(lit.) fp 88 °f stora
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
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
Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
J&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
our strengths: 1: Fast and guaranteed shipment (TNT;EMS;FEDEX;DHL;UPS;EUB, special line) 2: Various payment items accepted (Btc; MoneyGram; WU) 3: Valued package (Paraffin coating; Double aluminum foil bag; Vacuum packaging) 4: Efficient delivery
Cas:289-95-2
Min.Order:1 Gram
Negotiable
Type:Other
inquiryMassive 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
Zibo 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:289-95-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality Appearance:Colourless to pale yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Pyrimidine is used as building block
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 relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:289-95-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryProduct name: Pyrimidine (CAS:289-95-2) CAS No.:289-95-2 Molecule Formula:C4H4N2 Molecule Weight:80.09 Purity: 98.0% Package: 200kg/drum Description:Colorless transparent liquid Manufacture Standards:Enterprise Standard
Cas:289-95-2
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
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
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
Conditions | Yield |
---|---|
With dihydrogen peroxide; acetic acid at 25℃; for 0.0833333h; | 85% |
With ozone In acetic acid at 25℃; for 0.5h; | 64% |
With ozone In acetic acid at 25℃; for 0.5h; | 64% |
Conditions | Yield |
---|---|
With sodium methylate In methanol; ethyl acetate | A n/a B 70% |
Conditions | Yield |
---|---|
With isopentyl nitrite In tetrahydrofuran at 120℃; under 5250.53 Torr; for 0.333333h; | 55% |
Conditions | Yield |
---|---|
With triethylamine In methanol; water at 4℃; for 24h; Irradiation; sensitizer: methylene blue; | 52% |
With methyl phenylphosphinate; tetrabutylammomium bromide; tetra-(n-butyl)ammonium iodide; ethylene dibromide; triethylamine In N,N-dimethyl-formamide; acetonitrile at 20℃; Electrochemical reaction; |
2,4-Diphenyl-1-pyrimidin-2-yl-5,6-dihydro-benzo[h]quinolinium; fluoride
A
PYRIMIDINE
B
2,4-diphenylbenzo[h]quinoline
Conditions | Yield |
---|---|
With 2,4,6-triphenylpyridine at 250℃; for 6h; | A 51% B n/a |
pyrimidine N-oxide
tert-butyl-isopropyl-thioketene
A
PYRIMIDINE
B
3-tert-butyl-3-isopropylthiirane-2-one
Conditions | Yield |
---|---|
In chloroform-d1 for 168h; Ambient temperature; study of sulfur transfer reaction; | A 50% B 44% |
Chloromethyl pivalate
A
PYRIMIDINE
B
2-Pivalyloxymethylthiopyrimidine
Conditions | Yield |
---|---|
With triethylamine In dichloromethane | A 49% B n/a |
2-Benzyl-pyrimidine 1-oxide
A
PYRIMIDINE
B
2-methylpyrimidine
C
benzyl-pyrimidine
D
pyrimido[1,2-a]indole
Conditions | Yield |
---|---|
at 800℃; under 0.0001 - 0.0006 Torr; | A 2% B n/a C 17% D 48% |
4-Benzyl-pyrimidine 3-oxide
A
PYRIMIDINE
B
4-Methylpyrimidine
C
4-benzylpyrimidine
D
pyrimido-[1,6-a]indole
Conditions | Yield |
---|---|
at 800℃; under 0.0001 - 0.0006 Torr; | A 14% B n/a C 13% D 45% |
Conditions | Yield |
---|---|
With sodium hydroxide; palladium on activated charcoal; diethyl ether Hydrogenation; | |
With palladium on activated charcoal; ethanol; magnesium oxide Hydrogenation; |
2,5-dichloropyrimidine
PYRIMIDINE
Conditions | Yield |
---|---|
With Pd-BaSO4; water; magnesium oxide Hydrogenation; |
Conditions | Yield |
---|---|
With sodium hydroxide; palladium on activated charcoal; diethyl ether Hydrogenation; |
pyrimidine-4-carboxylic acid
PYRIMIDINE
Conditions | Yield |
---|---|
ueber den Schmelzpunkt; |
Conditions | Yield |
---|---|
With water; zinc | |
With sodium hydroxide; palladium on activated charcoal; diethyl ether Hydrogenation; |
pyrimidine-4,6-dicarboxylic acid
PYRIMIDINE
Conditions | Yield |
---|---|
With diphenylether at 240℃; |
pyrimidine-4,6-dicarboxylic acid
A
PYRIMIDINE
B
methylammonium carbonate
Conditions | Yield |
---|---|
With water; zinc | |
With sodium hydroxide; palladium on activated charcoal; diethyl ether Hydrogenation; |
3-(N-Methylanilino)-2-propenal
formamide
PYRIMIDINE
Conditions | Yield |
---|---|
With ethanol; nitrogen at 200℃; Leiten ueber einen Montmorillonit-Katalysator; |
malondialdehyde bis(diethyl acetal)
formamide
PYRIMIDINE
Conditions | Yield |
---|---|
With ethanol; nitrogen at 200℃; Leiten ueber einen Montmorillonit-Katalysator; |
malonaldehydebis(dimethylacetal)
formamide
PYRIMIDINE
Conditions | Yield |
---|---|
With ethanol; nitrogen at 200℃; Leiten ueber einen Montmorillonit-Katalysator; |
Propiolaldehyde diethyl acetal
formamide
PYRIMIDINE
Conditions | Yield |
---|---|
With ethanol; water; ammonium formate |
1,1,3-triethoxy-3-methoxy-propane
formamide
PYRIMIDINE
Conditions | Yield |
---|---|
With ethanol; nitrogen at 200℃; Leiten ueber einen Montmorillonit-Katalysator; | |
With water; ammonium formate at 190℃; |
formamide
3-(N,N-diethylamino)propenal
PYRIMIDINE
methyl N-acetylglycinate
pyrimidine cation
A
PYRIMIDINE
B
C5H10NO3(1+)
Conditions | Yield |
---|---|
In cyclohexane Thermodynamic data; ΔH and ΔS (proton transfer); |
nopinone
A
pyridine
B
PYRIMIDINE
C
10,10-Dimethyl-3-aza-tricyclo[7.1.1.02,7]undeca-2(7),3,5-triene
Conditions | Yield |
---|---|
Multistep reaction. Yields of byproduct given; | |
Yield given. Multistep reaction; |
N-Benzylpyrimidinium bromide
PYRIMIDINE
Conditions | Yield |
---|---|
With ammonia Product distribution; Mechanism; Ambient temperature; |
Conditions | Yield |
---|---|
In neat (no solvent, gas phase) | 100% |
In diethyl ether | 18% |
Conditions | Yield |
---|---|
In dichloromethane | 100% |
Conditions | Yield |
---|---|
In benzene-d6 Inert atmosphere; | 100% |
PYRIMIDINE
4,4,5,5-tetramethyl-[1,3,2]-dioxaboralane
Conditions | Yield |
---|---|
With C22H27N3 In benzene-d6 at 70℃; for 12h; Glovebox; | 99% |
With C22H27N3 In benzene-d6 at 20℃; for 12h; Schlenk technique; | 98% |
With C14H22N2P(1+)*CF3O3S(1-) In [D3]acetonitrile at 28℃; for 1h; Inert atmosphere; Glovebox; Sealed tube; regioselective reaction; | 91% |
Conditions | Yield |
---|---|
at 25℃; for 3h; | 98% |
In neat (no solvent) at 20℃; for 3h; Inert atmosphere; | 93% |
In neat (no solvent) for 18h; Schlenk technique; Inert atmosphere; Darkness; | 61% |
With methanol |
Conditions | Yield |
---|---|
In chloroform; acetonitrile copper salt and phosphine (1:1) dissolved in CHCl3 at 25°C, slight excess ligand in CH3CN added, pptd on stirring; filtered off, washed (Et2O), dried (vac.), elem. anal.; | 98% |
In acetonitrile addn. of ligand to a soln. of copper salt and phosphine in acetonitrile,standing for 2 wk; elem. anal.; | 25% |
Conditions | Yield |
---|---|
at 80℃; for 48h; | 97% |
Conditions | Yield |
---|---|
at 75℃; for 24h; | 97% |
Conditions | Yield |
---|---|
at 110℃; | 96% |
potassium hexafluorophosphate
PYRIMIDINE
Conditions | Yield |
---|---|
Stage #1: PYRIMIDINE; cis-dichloro(2,2′-bipyridine)ruthenium(II)chloride In ethanol; water for 12h; Reflux; Stage #2: potassium hexafluorophosphate In water | 96% |
Conditions | Yield |
---|---|
95% |
Conditions | Yield |
---|---|
In methanol; water dropwise addn. of soln. of N compd. in methanol to aq. soln. of Au compd.; filtration, washing with water, drying under vacuum; | 95% |
PYRIMIDINE
[platinum(II)(iodide)(cyclopropylamine)(μ-iodide)platinum(II)(cyclopropylamine)(iodide)]
[platinum(II)(cyclopropylamine)(pyrimidine)diiodide]
Conditions | Yield |
---|---|
In H2O small excess of N2C4H4 (0.42 mmol) (in H2O) slowly added to suspn. of Ptcomplex (0.2 mmol), stirred at room temp. in the dark during 9 d; 80% cis and 20% trans isomers mixt.; | 95% |
Conditions | Yield |
---|---|
In benzene at 15 - 20℃; for 2h; | 95% |
Conditions | Yield |
---|---|
In dichloromethane at 0℃; for 2h; | 94% |
Conditions | Yield |
---|---|
With dinitrogen pentoxide In nitromethane at 0℃; for 0.5h; | 94% |
Conditions | Yield |
---|---|
In dichloromethane; isopropyl alcohol metal nitrate in iPrOH added to soln. of ligand in CH2Cl2; filtered, dried (vac.), elem. anal.; | 94% |
PYRIMIDINE
bis(dibromido)bis(pyrimidine-N)(μ2-pyrimidine-N,N')dizinc(II)
Conditions | Yield |
---|---|
In acetonitrile ZnBr2 (0.5 mmol) and pyrimidine (1.0 mmol) mixed in CH3CN; Et2O added; elem. anal.; | 93.77% |
Conditions | Yield |
---|---|
With iron sulfide; dipotassium peroxodisulfate; trifluoroacetic acid In dichloromethane; water at 20℃; for 40h; regioselective reaction; | 93.4% |
With dipotassium peroxodisulfate In water; acetone at 160℃; for 0.75h; Sealed tube; | 37% |
PYRIMIDINE
potassium trichloro(dimethylsulfoxide)platinate(II)
trans-[Pt(dimethylsulfoxide)Cl2]2(μ-pyrimidine)
Conditions | Yield |
---|---|
In water byproducts: KCl; Pt complex and pyrimidine dissolved in water in a 2:1 molar ratio at room temp.; a yellow ppt. formed immediately; stirred at room temp. until the soln. became colorless; ppt. filtered off, dried, washed with ether and dried in vacuo; X-ray detn.; | 93% |
Conditions | Yield |
---|---|
In water High Pressure; Cu(CH3COO)2 (0.2 mmol), (CN4)COOEtNa (0.2 mmol) and pyrimidine (0.2 mmol) in H2O heated in closed vial (100°C, 1 d); decanted; washed with H2O; filtered off; washed with EtOH and Et2O; dried in air; PXRD; elem. anal.; | 93% |
Conditions | Yield |
---|---|
In dichloromethane at 20℃; Solvent; Inert atmosphere; | 93% |
PYRIMIDINE
pyrimidine N-oxide
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 16h; | 92% |
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 24℃; for 12h; Inert atmosphere; | 74% |
With phosphomolybdic acid; dihydrogen peroxide In water; acetonitrile at 50℃; for 12h; | 61% |
Conditions | Yield |
---|---|
In neat (no solvent) at 65 - 80℃; Inert atmosphere; | 92% |
at 25℃; Rate constant; various solvents; effect of substituent and solvents on the reactivity; |
Conditions | Yield |
---|---|
In acetonitrile refluxed for 1 h; filtered, concd., cooled to room temp., crysts. dried (air stream); elem. anal.; | 92% |
Conditions | Yield |
---|---|
In neat (no solvent) at 65 - 80℃; Inert atmosphere; | 92% |
Conditions | Yield |
---|---|
With N-hydroxyphthalimide; cobalt(III) acetylacetonate; cobalt acetylacetonate In benzonitrile; trifluoroacetic acid at 70℃; for 12h; | 91% |
Conditions | Yield |
---|---|
With acetic anhydride at 40℃; for 96h; | 91% |
Conditions | Yield |
---|---|
Stage #1: PYRIMIDINE; phenyl chloroformate With trimethylamine-borane In acetonitrile for 0.0833333h; Cooling; Stage #2: With trimethylamine-borane In acetonitrile at 20℃; for 0.166667h; Cooling; regioselective reaction; | 91% |
PYRIMIDINE
Conditions | Yield |
---|---|
With potassium azide In methanol; acetone byproducts: KPF6; light protection; solns. KN3 and Ru-salt mixed dropwise, stirred for 15 min, ligand added, refluxed (Ar, 20 h); volume reduced (vac.), acetone added, volume reduced, soln. filtered, pptd. (dry ethyl ether), filtered off, dried (vac.), washed (water), dried (vac.), repptd. (acetone/ether); elem. anal.; | 90% |
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