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:626-03-9
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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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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
CAS RN.: 626-03-9;84719-31-3 EINECS: 210-924-8 Molecular Weight:
Cas:626-03-9
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Cas:626-03-9
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inquiryLIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:626-03-9
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inquiry2,4-Dihydroxypyridine Basic information Product Name: 2,4-Dihydroxypyridine Synonyms: 4-hydroxy-2(1h)-pyridinon;4-hydroxy-2(1h)-pyridon;3-DEAZAURACIL;4-HYDROXY-2-PYRIDONE;2,4-PYRIDINEDIO
Cas:626-03-9
Min.Order:1 Gram
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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:626-03-9
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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
Cas:626-03-9
Min.Order:10 Gram
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inquiryName: 2,4-Dihydroxypyridine Molecular Formula:C5H5NO2 Molecular Weight:111.1 CAS No.:626-03-9 Appearance:Similar White To Slight Yellow Crystal Powder Appearance:Similar White To Slight Yellow Crystal Powder Storage:Store in cool and dry place, a
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Cas:626-03-9
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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:626-03-9
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inquiry2,4-Dihydroxypyridine CAS:626-03-9 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 inter
Cas:626-03-9
Min.Order:1 Gram
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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:626-03-9
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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
Cas:626-03-9
Min.Order:10 Kilogram
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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
Overview Quick Details CAS No.: 626-03-9 Other Names: 2,4-Pyridinediol; 3-Deazauracil; 4-Hydroxy-2-pyridone MF: C5H5NO2 EINECS No.: 210-924-8 Place of Origin: China (Mainland) Type: Syntheses Material Intermediates Purity: 97%min Bran
Cas:626-03-9
Min.Order:1 Kilogram
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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 Se
Cas:626-03-9
Min.Order:0 Metric Ton
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inquiry1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie
Cas:626-03-9
Min.Order:1 Kilogram
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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
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:626-03-9
Min.Order:10 Gram
FOB Price: $100.0
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:626-03-9
Min.Order:100 Gram
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inquiry2,4-Dihydroxypyridine Chemical Properties Melting point 272-276 °C (lit.) Boiling point 208.19°C (rough estimate) density 1.3113 (rough estimate) refractive index 1.4260 (estimate) pka pK1:1.37(+1);pK2:6.45(0);pK3:13(+1) (
Cas:626-03-9
Min.Order:1 Gram
FOB Price: $66.0
Type:Lab/Research institutions
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:626-03-9
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
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Cas:626-03-9
Min.Order:1 Gram
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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:626-03-9
Min.Order:1 Metric Ton
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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
Wuhu Nuovo Chemical Technology Co., Ltd. was established in August 2014, mainly engaged in the development, production and sales of ionic liquids, ribose, nucleosides, nucleotides and related chemicals; Products are mainly used in new energy, new ma
2,4-dimethoxypyridine
3-deazauracil
Conditions | Yield |
---|---|
With hexamethyldisilathiane; sodium methylate In various solvent(s) at 180℃; for 24h; | 75% |
Conditions | Yield |
---|---|
With sodium hydroxide at 290 - 310℃; |
3-deazauracil
Conditions | Yield |
---|---|
With hydrogenchloride |
3-deazauracil
Conditions | Yield |
---|---|
With hydrogenchloride at 190 - 200℃; |
3-deazauracil
Conditions | Yield |
---|---|
With hydrogenchloride at 190 - 200℃; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: H2SO4 / Behandeln des Reaktionsgemisches mit wss. NaNO2 2: concentrated aqueous hydrochloric acid View Scheme |
6-chloro-2,4-dihydroxy-nicotinonitrile
3-deazauracil
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: zinc-powder; aqueous H2SO4 2: H2SO4 / Behandeln des Reaktionsgemisches mit wss. NaNO2 3: concentrated aqueous hydrochloric acid View Scheme |
3-deazauracil
2,4-dihydroxy-3-nitropyridine
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid at 0℃; Industrial scale; | 98% |
With sulfuric acid; nitric acid at 0℃; for 0.75h; | 96% |
With nitric acid at 90℃; for 3h; | 92% |
3-deazauracil
3-bromo-2,4-dihydroxypyridine
Conditions | Yield |
---|---|
With hydrogen bromide; bromine; acetic acid In water at 0℃; for 0.5h; | 96% |
With hydrogen bromide; bromine In acetic acid | 95% |
With hydrogen bromide; bromine; acetic acid |
Conditions | Yield |
---|---|
With phosphorus(V) oxybromide at 125℃; for 4.5h; | A 90% B 9% |
With phosphorus(V) oxybromide at 125℃; for 4.5h; | A 85% B 12% |
3-deazauracil
4-hydroxy-3-nitro-2(1H)-pyridone
Conditions | Yield |
---|---|
With nitric acid at 80℃; for 0.25 - 0.333333h; | 90% |
With nitric acid | 85% |
3-deazauracil
4-hydrazinylpyridin-2(1H)-one
Conditions | Yield |
---|---|
With 2-methoxy-ethanol; hydrazine hydrate In water at 20℃; for 24h; | 88.3% |
With hydrazine In 2-methoxy-ethanol for 24h; Heating / reflux; | 88.3% |
Conditions | Yield |
---|---|
With pyridine; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate at 100℃; for 4h; Knoevenagel Condensation; | 84% |
3-deazauracil
5-bromoveratralaldehyde
malononitrile
C17H14BrN3O4
Conditions | Yield |
---|---|
1,4-diaza-bicyclo[2.2.2]octane In ethanol at 80℃; for 18h; | 82.7% |
With 1,4-diaza-bicyclo[2.2.2]octane In ethanol at 20 - 80℃; for 18h; | 82.7% |
3-deazauracil
1,3,5-tri-O-acetyl-2-deoxyribose
Conditions | Yield |
---|---|
Stage #1: 3-deazauracil With N,O-bis-(trimethylsilyl)-acetamide In acetonitrile at 20℃; for 0.666667h; Stage #2: 1,3,5-tri-O-acetyl-2-deoxyribose With tin(IV) chloride In acetonitrile at 20℃; for 15h; | 82% |
3-deazauracil
3-propoxy-benzoyl chloride
Conditions | Yield |
---|---|
With pyridine for 4h; Ambient temperature; | 81% |
3-deazauracil
3,3-dimethyl acrylaldehyde
2,2-dimethyl-2,6-dihydro-5H-pyrano[3,2-c]pyridin-5-one
Conditions | Yield |
---|---|
With pyridine; magnesium sulfate Reflux; | 80% |
In water at 80℃; for 15h; | 55% |
With magnesium sulfate In pyridine |
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene In N,N-dimethyl-formamide at 20℃; for 24h; | 79% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 12h; | 77% |
3-deazauracil
diethyl (N,N-diethylaminomethylene)malonate
Conditions | Yield |
---|---|
With acetic acid at 20℃; for 18h; Pechmann condensation; Reflux; | 75% |
3-deazauracil
3,5-dibromo-2,4-dihydroxypyridine
Conditions | Yield |
---|---|
With bromine In hydrogen bromide at 20℃; for 1h; | 72% |
With hydrogen bromide; bromine In water at 0 - 20℃; for 1h; Inert atmosphere; | 71% |
With hydrogen bromide; bromine In water at 20℃; for 1h; | 56% |
With hydrogen bromide; bromine; acetic acid | |
With hydrogen bromide; bromine |
Conditions | Yield |
---|---|
With phosphorus(V) oxybromide | 70% |
Multi-step reaction with 2 steps 1: concentrated aqueous hydrobromic acid; acetic acid; bromine 2: phosphoryl bromide / 130 °C View Scheme |
3-deazauracil
Conditions | Yield |
---|---|
Stage #1: 3-deazauracil With N,O-bis-(trimethylsilyl)-acetamide In acetonitrile at 90℃; for 0.75h; Stage #2: With trimethylsilyl trifluoromethanesulfonate In acetonitrile at 90℃; for 3.5h; | 70% |
3-deazauracil
Conditions | Yield |
---|---|
With palladium diacetate; 4-methoxybenzoic acid In acetonitrile at 120℃; for 4h; regioselective reaction; | 70% |
Conditions | Yield |
---|---|
With pyridine for 4h; Ambient temperature; | 68% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 24h; | 67% |
3-deazauracil
4-{[(5-trifluoromethyl-2-pyridinyl)methyl]oxy}-2(1H)-pyridinone
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 6h; | 63.6% |
3-deazauracil
(R)-Citronellal
6,6,9-trimethyl-6a,7,8,9,10,10a-hexahydro-6H-isochromeno[3,4-b]pyridin-1-ol
Conditions | Yield |
---|---|
With piperidine; pyridine In ethanol at 130℃; for 1h; Microwave irradiation; | 63% |
3-deazauracil
4-methoxyphenylboronic acid
phenylboronic acid
4-(4-methoxyphenyl)-2-phenylpyridine
Conditions | Yield |
---|---|
Stage #1: 3-deazauracil With potassium carbonate; bromo-tris(1-pyrrolidinyl)phosphonium hexafluorophosphate In 1,4-dioxane at 100℃; for 3h; Inert atmosphere; Stage #2: 4-methoxyphenylboronic acid With (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride In 1,4-dioxane; water at 100℃; for 4h; Suzuki-Miyaura coupling; Inert atmosphere; Stage #3: phenylboronic acid With 1,3-bis[(diphenylphosphino)propane]dichloronickel(II) In 1,4-dioxane; water at 100℃; for 20h; Suzuki-Miyaura coupling; Inert atmosphere; regioselective reaction; | 63% |
Conditions | Yield |
---|---|
With pyridine for 4h; Ambient temperature; | 60% |
Conditions | Yield |
---|---|
In ethanol at 90℃; for 24h; | 59% |
3-deazauracil
4-chlorophenylhydrazine hydrochloride
8-chloro-2,5-dihydro-1H-pyrido[4,3-b]indol-1-one
Conditions | Yield |
---|---|
Stage #1: 4-chlorophenylhydrazine hydrochloride With sodium hydroxide In ethanol; water Stage #2: 3-deazauracil In diphenylether at 190 - 300℃; | 54% |
3-deazauracil
ethyl (2E)-3-dimethylamino-2-(1H-indol-3-yl)propenoate
Conditions | Yield |
---|---|
With acetic acid for 7h; Heating; | 52% |
Conditions | Yield |
---|---|
With pyridine for 2h; Ambient temperature; | 50% |
Conditions | Yield |
---|---|
at 170℃; for 3h; | 50% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide at 65℃; for 16h; Inert atmosphere; | A 48% B 13% |
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