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Cas:490-11-9
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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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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------
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inquiryCAS Number 490-11-9 Product Name 3,4-pyridinedicarboxylic Acid Synonyms 3,4-pyridine Dicarboxylic Acid; Cinchomeronic Acid; Pyri
Cas:490-11-9
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inquiry1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry plac
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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
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inquiry3,4-Pyridinedicarboxylic acid CAS:490-11-9 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 organ
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inquiryProduct Description Product website: http://www.finerchem.com/pro01en/id/1712.html Product Name 3,4-Pyridinedicarboxylic acid CAS No. 490-1
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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
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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
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inquirysuperior quality Appearance:white to light grey powder 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:Used as Pharmaceutical Intermediates Transp
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inquiryCompany 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
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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
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inquiryA 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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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
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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
Cas:490-11-9
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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:490-11-9
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inquiryPyridine-3,4-dicarboxylic acidAppearance:white powder Storage:Keep away of light, cool place Package:according to customers' requirements Application:pharmaceutical intermediates Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB
Our company was built in 2009 with an ISO certificate.In the past 6 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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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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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
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
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We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Conditions | Yield |
---|---|
Stage #1: nicotinic acid With 2,2,6,6-tetramethyl-piperidine; n-butyllithium In tetrahydrofuran; hexane at -50℃; for 0.5h; Metallation; Stage #2: carbon dioxide In tetrahydrofuran; hexane Substitution; | 73% |
Conditions | Yield |
---|---|
With Iron(III) nitrate nonahydrate; tetrabutylammomium bromide; nitric acid In water at 60℃; for 16h; | 71% |
Stage #1: isoquinoline With acetic acid In water at 20℃; for 0.25h; Stage #2: With ozone In water at 20 - 25℃; for 6h; | 45% |
With alkaline permanganate solution |
Conditions | Yield |
---|---|
Stage #1: pyridine-4-carboxylic acid With 2,2,6,6-tetramethyl-piperidine; n-butyllithium In tetrahydrofuran; hexane at -50 - -25℃; for 0.5h; Metallation; Stage #2: carbon dioxide In tetrahydrofuran; hexane Substitution; | 65% |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In 1,4-dioxane; water for 48h; Heating; | 54.5% |
3-aza-2,4-cyclopentadiene
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With polymer-bound monoester of acetylenedicarboxylic acid In dimethyl sulfoxide for 72h; Heating; behaviour of various aza- and diaza-cyclopentadienones as dienes or dienophiles; hydrolysis of the polymer-bound product; | 54.3% |
Conditions | Yield |
---|---|
With potassium permanganate | |
In water Ambient temperature; electrochemical oxidation on activated nickel hydroxide anode; | 56 % Chromat. |
isoquinoline
A
3,4-pyridinecarboxylic acid
B
benzene-1,2-dicarboxylic acid
Conditions | Yield |
---|---|
With ozone; acetic acid |
Conditions | Yield |
---|---|
With permanganate(VII) ion |
pyridine-3,4-dicarboxylic acid 3-methyl ester
A
pyridine
B
methyl 3-pyridinecarboxylate
C
3,4-pyridinecarboxylic acid
D
4-(methoxycarbonyl)nicotinic acid
Conditions | Yield |
---|---|
beim Erhitzen ueber den Schmelzpunkt; |
pyridine-2,3,4-tricarboxylic acid
acetic anhydride
acetic acid
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
at 170 - 190℃; |
pyridine-2,3,4-tricarboxylic acid
A
3,4-pyridinecarboxylic acid
B
pyridine-2,3,4-tricarboxylic acid-3,4-anhydride
Conditions | Yield |
---|---|
at 110 - 115℃; under 20 Torr; |
pyridine-2,4,5-tricarboxylic acid
acetic anhydride
acetic acid
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
at 160℃; im Rohr; |
Conditions | Yield |
---|---|
at 140℃; im Rohr; |
pyridine-2,3,4,6-tetracarboxylic acid
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With nitrobenzene |
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With nitric acid |
Conditions | Yield |
---|---|
With nitric acid | |
With nitric acid |
(R)-[(1S,2S,4S)-5-Eth-(Z)-ylidene-1-aza-bicyclo[2.2.2]oct-2-yl]-(6-methoxy-quinolin-4-yl)-methanol
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With nitric acid |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With alkaline permanganate solution |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With hydrogenchloride at 240 - 250℃; im Rohr; |
3,4-pyridinecarboxylic acid
2-(3-ethyl-[4]pyridyl)-propane-1,3-diol
3,4-pyridinecarboxylic acid
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With acetic anhydride; acetic acid | |
at 170 - 190℃; | |
With acetic acid |
3,4-pyridinecarboxylic acid
2,3-dihydropyrido[3,4-d]pyridazine-1,4-dione
Conditions | Yield |
---|---|
Stage #1: 3,4-pyridinecarboxylic acid With acetic anhydride for 1h; Reflux; Stage #2: With hydrazine hydrate for 4h; Reflux; | 98.6% |
TETRAHYDROFURFURYLAMINE
3,4-pyridinecarboxylic acid
2-((tetrahydrofuran-2-yl)methyl)-2H-pyrrolo[3,4-c]pyridine-1,3-dione
Conditions | Yield |
---|---|
for 0.0333333h; Microwave irradiation; | 98% |
Conditions | Yield |
---|---|
With acetic anhydride for 0.75h; Heating; | 96% |
With acetic anhydride for 2h; Heating; | 76% |
With acetic anhydride | 76% |
Conditions | Yield |
---|---|
Stage #1: 3,4-pyridinecarboxylic acid With acetic anhydride at 140 - 150℃; Stage #2: With acetamide at 140℃; for 3h; | 95.1% |
Stage #1: 3,4-pyridinecarboxylic acid With acetic anhydride at 140℃; for 16h; Stage #2: With acetamide at 140℃; for 8h; | 68% |
Multi-step reaction with 2 steps 1: acetic anhydride / 0.08 h / Heating 2: urea / 0.33 h / 150 - 160 °C View Scheme |
Conditions | Yield |
---|---|
for 0.0666667h; Microwave irradiation; | 94% |
Conditions | Yield |
---|---|
for 0.0833333h; Microwave irradiation; | 94% |
Conditions | Yield |
---|---|
for 0.0666667h; Microwave irradiation; | 92% |
Conditions | Yield |
---|---|
With phosphorus pentachloride at 180℃; for 2h; | 91% |
With thionyl chloride for 18h; Reflux; | |
With thionyl chloride In N,N-dimethyl-formamide for 5h; Reflux; | |
With thionyl chloride; N,N-dimethyl-formamide for 2h; Reflux; |
Conditions | Yield |
---|---|
In water High Pressure; metal compd. and ligand (1:1) heated at 180°C for 3 d; cooled to room temp., crystd., elem. anal.; | 90% |
Conditions | Yield |
---|---|
for 0.05h; Microwave irradiation; | 90% |
3,4-pyridinecarboxylic acid
water
copper diacetate
praseodymium(3+) acetate
Conditions | Yield |
---|---|
Stage #1: 3,4-pyridinecarboxylic acid; water; copper diacetate Stage #2: praseodymium(3+) acetate With sodium acetate; sodium hydroxide pH=11; pH-value; Concentration; | 90% |
Conditions | Yield |
---|---|
for 0.0666667h; Microwave irradiation; | 88% |
Conditions | Yield |
---|---|
With thionyl chloride for 3h; Reflux; | 87.8% |
With sulfuric acid | 80.3% |
With sulfuric acid at 25 - 100℃; for 16h; | 73% |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With triethylamine In water High Pressure; mixt. Zn(NO3)2*6H2O, pyridine-3,4-dicarboxylic acid, triethylamine, and water were heated in Teflon reactor at 160°C for 5 days; react. mixt. was cooled to room temp. at rate 10°C/h; elem. anal.; | 87% |
With HCl; 1,2-bis(4-pyridyl)ethane In water High Pressure; Zn:H2pydc:bpe:1:1:0.5 molar ratio, pH adjusted to 3, heated at 160°C for 4 d; cooled to room temp., crysts. filtered; elem. anal., TGA; | 47.1% |
3,4-pyridinecarboxylic acid
Pyridine-3,4-dicarboxylic acid N-oxide
Conditions | Yield |
---|---|
With tetrahexylammonium chloride; dihydrogen peroxide; <(Ph2PO2)(WO(O2)2)2> In toluene at 90℃; for 5h; | 85% |
With dihydrogen peroxide; 34> In toluene at 90℃; for 6h; | 82% |
3,4-pyridinecarboxylic acid
1,4-bis(imidazol-l-yl-methyl)benzene
Conditions | Yield |
---|---|
With sodium hydroxide In water at 160℃; for 72h; Autoclave; High pressure; | 85% |
Conditions | Yield |
---|---|
With triethylamine In water High Pressure; mixed with Zn:H2PDB:4,4'-bipy:triethylamine=1:1:1:2 molar ratio in H2O, hydrothermally heated at 160°C for 120 h at pH=5.0-4.7; elem. anal., XRD; | 83% |
3,4-pyridinecarboxylic acid
water
zinc(II) acetate dihydrate
N,N’-di(3-pyridyl)adipoamide
Conditions | Yield |
---|---|
at 120℃; for 48h; Autoclave; High pressure; | 82% |
Conditions | Yield |
---|---|
Stage #1: 3,4-pyridinecarboxylic acid With sodium hydrogencarbonate In water at 100℃; Stage #2: 1,2-bis(4'-pyridyl)ethane; cadmium(II) nitrate tetrhydrate; water In ethanol at 20℃; for 336h; Sealed tube; | 82% |
Conditions | Yield |
---|---|
With sodium hydroxide In methanol for 168h; | 82% |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With NaOH In water High Pressure; lanthanide salt, org. compd., NaOH and H2O mixed in teflon reactor, heated at 180°C for 6 d; cooled to room temp. (5 K/h), washed with water, dried, elem. anal.; | 80% |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With NaOH In water High Pressure; lanthanide salt, org. compd., NaOH and H2O mixed in teflon reactor, heated at 180°C for 6 d; cooled to room temp. (5 K/h), washed with water, dried, elem. anal.; | 78% |
methanol
1,2-bis(4'-pyridyl)ethane
3,4-pyridinecarboxylic acid
water
Conditions | Yield |
---|---|
Stage #1: 3,4-pyridinecarboxylic acid With sodium hydrogencarbonate In water at 100℃; Stage #2: methanol; 1,2-bis(4'-pyridyl)ethane; cadmium(II) nitrate tetrhydrate; water at 20℃; for 336h; Sealed tube; | 76% |
3,4-pyridinecarboxylic acid
di-tert-butyl dicarbonate
Conditions | Yield |
---|---|
With sodium hydroxide In hydrogenchloride; water | 75% |
3,4-pyridinecarboxylic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water at 20℃; | 75% |
Conditions | Yield |
---|---|
With NaOH In water High Pressure; lanthanide salt, org. compd., NaOH and H2O mixed in teflon reactor, heated at 180°C for 6 d; cooled to room temp. (5 K/h), washed with water, dried, elem. anal.; | 73% |
3,4-pyridinecarboxylic acid
2,2-dimethoxy-propane
dimethyl 3,4-pyridinedicarboxylate
Conditions | Yield |
---|---|
With thionyl chloride In methanol for 24h; Heating; | 72% |
Stage #1: 3,4-pyridinecarboxylic acid With thionyl chloride In methanol at 20℃; for 0.25h; Stage #2: 2,2-dimethoxy-propane In methanol Reflux; | 46% |
3,4-pyridinecarboxylic acid
di-tert-butyltin dichloride
sodium hydroxide
Conditions | Yield |
---|---|
In methanol byproducts: NaCl, H2O; NaOH (4 mmol) was added to MeOH soln. of a ligand (2 mmol); the resulting soln. was refluxed for 2 h; the methanolic soln. of Sn-contg. compd. (2 mmol) was added; the resulting soln. was refluxed for another 2 h; slow evapn. of the solvent at room temp.; the solid was sepd. by filtration and washed with dry methanol; elem. anal.; | 72% |
[2,2]bipyridinyl
3,4-pyridinecarboxylic acid
[Zn(pyridine-3,4-dicarboxylate)(2,2'-bipyridine)](n)
Conditions | Yield |
---|---|
In water High Pressure; under autogenous pressure at 140°C for 5 d; cooled to room temp. at a rate of 10°C/h; elem. anal.; | 72% |
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