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490-11-9

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490-11-9 Usage

Chemical Properties

white to slightly beige fine crystalline powder

Purification Methods

Crystallise the acid from H2O or dilute aqueous HCl. It has also been purified via the dimethyl ester which is distilled (b 95-100o/1.5mm) and hydrolysed with 3.5N HCl, evaporated and recrystallised. [Armarego & Evans J Appl Chem 12 45 1962, Foye et al. J Med Chem 9 61 1966, Beilstein 22 H 155, 22 I 534, 22 II 106, 22 III/IV 1641, 22/4 V 135.]

Check Digit Verification of cas no

The CAS Registry Mumber 490-11-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,9 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 490-11:
(5*4)+(4*9)+(3*0)+(2*1)+(1*1)=59
59 % 10 = 9
So 490-11-9 is a valid CAS Registry Number.
InChI:InChI=1/C7H5NO4/c9-6(10)4-1-2-8-3-5(4)7(11)12/h1-3H,(H,9,10)(H,11,12)/p-2

490-11-9 Well-known Company Product Price

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  • Alfa Aesar

  • (A14580)  Pyridine-3,4-dicarboxylic acid, 98%   

  • 490-11-9

  • 5g

  • 211.0CNY

  • Detail
  • Alfa Aesar

  • (A14580)  Pyridine-3,4-dicarboxylic acid, 98%   

  • 490-11-9

  • 10g

  • 359.0CNY

  • Detail
  • Alfa Aesar

  • (A14580)  Pyridine-3,4-dicarboxylic acid, 98%   

  • 490-11-9

  • 50g

  • 1499.0CNY

  • Detail
  • Alfa Aesar

  • (A14580)  Pyridine-3,4-dicarboxylic acid, 98%   

  • 490-11-9

  • 250g

  • 4384.0CNY

  • Detail
  • Aldrich

  • (P64006)  3,4-Pyridinedicarboxylicacid  97%

  • 490-11-9

  • P64006-25G

  • 905.58CNY

  • Detail

490-11-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 13, 2017

Revision Date: Aug 13, 2017

1.Identification

1.1 GHS Product identifier

Product name cinchomeronic acid

1.2 Other means of identification

Product number -
Other names RARECHEM AL BO 1260

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:490-11-9 SDS

490-11-9Synthetic route

nicotinic acid
59-67-6

nicotinic acid

carbon dioxide
124-38-9

carbon dioxide

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
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%
isoquinoline
119-65-3

isoquinoline

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
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
pyridine-4-carboxylic acid
55-22-1

pyridine-4-carboxylic acid

carbon dioxide
124-38-9

carbon dioxide

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
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%
polymer-bound 2,3-pyridinedicarboxylic acid (18)

polymer-bound 2,3-pyridinedicarboxylic acid (18)

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In 1,4-dioxane; water for 48h; Heating;54.5%
3-aza-2,4-cyclopentadiene
38738-68-0

3-aza-2,4-cyclopentadiene

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
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%
3,4-Lutidin
583-58-4

3,4-Lutidin

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With potassium permanganate
In water Ambient temperature; electrochemical oxidation on activated nickel hydroxide anode;56 % Chromat.
isoquinoline
119-65-3

isoquinoline

A

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

B

benzene-1,2-dicarboxylic acid
88-99-3

benzene-1,2-dicarboxylic acid

Conditions
ConditionsYield
With ozone; acetic acid
3-ethyl-4-methylpyridine
529-21-5

3-ethyl-4-methylpyridine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With permanganate(VII) ion
pyridine-3,4-dicarboxylic acid 3-methyl ester
24202-79-7

pyridine-3,4-dicarboxylic acid 3-methyl ester

A

pyridine
110-86-1

pyridine

B

methyl 3-pyridinecarboxylate
93-60-7

methyl 3-pyridinecarboxylate

C

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

D

4-(methoxycarbonyl)nicotinic acid
24202-74-2

4-(methoxycarbonyl)nicotinic acid

Conditions
ConditionsYield
beim Erhitzen ueber den Schmelzpunkt;
pyridine-2,3,4-tricarboxylic acid
632-95-1

pyridine-2,3,4-tricarboxylic acid

acetic anhydride
108-24-7

acetic anhydride

acetic acid
64-19-7

acetic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

pyridine-2,3,4-tricarboxylic acid
632-95-1

pyridine-2,3,4-tricarboxylic acid

acetic acid
64-19-7

acetic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

pyridine-2,3,4-tricarboxylic acid
632-95-1

pyridine-2,3,4-tricarboxylic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
at 170 - 190℃;
pyridine-2,3,4-tricarboxylic acid
632-95-1

pyridine-2,3,4-tricarboxylic acid

A

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

B

pyridine-2,3,4-tricarboxylic acid-3,4-anhydride
4940-06-1

pyridine-2,3,4-tricarboxylic acid-3,4-anhydride

Conditions
ConditionsYield
at 110 - 115℃; under 20 Torr;
pyridine-2,4,5-tricarboxylic acid
490-28-8

pyridine-2,4,5-tricarboxylic acid

acetic anhydride
108-24-7

acetic anhydride

acetic acid
64-19-7

acetic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
at 160℃; im Rohr;
pyridine-2,4,5-tricarboxylic acid
490-28-8

pyridine-2,4,5-tricarboxylic acid

acetic acid
64-19-7

acetic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
at 140℃; im Rohr;
pyridine-2,3,4,6-tetracarboxylic acid
90673-26-0

pyridine-2,3,4,6-tetracarboxylic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With nitrobenzene
Cinchonin
118-10-5

Cinchonin

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With nitric acid
Cinchonidin
485-71-2

Cinchonidin

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With nitric acid
Quinine
130-95-0

Quinine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
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
16934-07-9

(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
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With nitric acid
4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

nitric acid
7697-37-2

nitric acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

4-methyl-pyridine-carboxylic acid-(3)

4-methyl-pyridine-carboxylic acid-(3)

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With alkaline permanganate solution
apophyllenic acid

apophyllenic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With hydrogenchloride at 240 - 250℃; im Rohr;
4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

Cr2O3-H2SO4

Cr2O3-H2SO4

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

3,4-Lutidin
583-58-4

3,4-Lutidin

permanganate

permanganate

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

4,4-bis-hydroxymethyl-3,4-dihydro-pyrano[3,4-c]pyridin-1-one

permanganate

permanganate

natrium carbonate

natrium carbonate

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

4-methylnicotinic acid
3222-50-2

4-methylnicotinic acid

potassium permanganate

potassium permanganate

alkali

alkali

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

2-(3-ethyl-[4]pyridyl)-propane-1,3-diol
131697-83-1

2-(3-ethyl-[4]pyridyl)-propane-1,3-diol

potassium permanganate

potassium permanganate

natrium carbonate

natrium carbonate

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

pyridine-tricarboxylic acid-(2.3.4)

pyridine-tricarboxylic acid-(2.3.4)

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

Conditions
ConditionsYield
With acetic anhydride; acetic acid
at 170 - 190℃;
With acetic acid
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

2,3-dihydropyrido[3,4-d]pyridazine-1,4-dione
31384-08-4

2,3-dihydropyrido[3,4-d]pyridazine-1,4-dione

Conditions
ConditionsYield
Stage #1: 3,4-pyridinecarboxylic acid With acetic anhydride for 1h; Reflux;
Stage #2: With hydrazine hydrate for 4h; Reflux;
98.6%
TETRAHYDROFURFURYLAMINE
4795-29-3

TETRAHYDROFURFURYLAMINE

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

2-((tetrahydrofuran-2-yl)methyl)-2H-pyrrolo[3,4-c]pyridine-1,3-dione
950445-43-9

2-((tetrahydrofuran-2-yl)methyl)-2H-pyrrolo[3,4-c]pyridine-1,3-dione

Conditions
ConditionsYield
for 0.0333333h; Microwave irradiation;98%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

cinchomeronic anhydride
4664-08-8

cinchomeronic anhydride

Conditions
ConditionsYield
With acetic anhydride for 0.75h; Heating;96%
With acetic anhydride for 2h; Heating;76%
With acetic anhydride76%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

3,4-pyridinedicarboximide
4664-01-1

3,4-pyridinedicarboximide

Conditions
ConditionsYield
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
2-Aminomethylthiophene
27757-85-3

2-Aminomethylthiophene

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

C12H8N2O2S
1146213-58-2

C12H8N2O2S

Conditions
ConditionsYield
for 0.0666667h; Microwave irradiation;94%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

furan-2-ylmethanamine
617-89-0

furan-2-ylmethanamine

C12H8N2O3
1089731-61-2

C12H8N2O3

Conditions
ConditionsYield
for 0.0833333h; Microwave irradiation;94%
(2-aminomethylpyridine)
3731-51-9

(2-aminomethylpyridine)

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

C13H9N3O2
1146213-56-0

C13H9N3O2

Conditions
ConditionsYield
for 0.0666667h; Microwave irradiation;92%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

pyridine-3,4-dicarboxylic acid dichloride
1889-02-7

pyridine-3,4-dicarboxylic acid dichloride

Conditions
ConditionsYield
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;
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

water
7732-18-5

water

uranyl(VI) acetate dihydrate

uranyl(VI) acetate dihydrate

[(UO2)3(μ3-O)(μ3-OH)2(3,4-pydaH)(3,4-pyda)0.5]

[(UO2)3(μ3-O)(μ3-OH)2(3,4-pydaH)(3,4-pyda)0.5]

Conditions
ConditionsYield
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%
4-(aminomethyl)pyridine
3731-53-1

4-(aminomethyl)pyridine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

C13H9N3O2
1146213-57-1

C13H9N3O2

Conditions
ConditionsYield
for 0.05h; Microwave irradiation;90%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

water
7732-18-5

water

copper diacetate
142-71-2

copper diacetate

praseodymium(3+) acetate
6192-12-7

praseodymium(3+) acetate

Pr(3+)*C2H3O2(1-)*2C7H3NO4(2-)*Cu(2+)*11.5H2O

Pr(3+)*C2H3O2(1-)*2C7H3NO4(2-)*Cu(2+)*11.5H2O

Conditions
ConditionsYield
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%
1-(2-aminoethyl)piperidine
27578-60-5

1-(2-aminoethyl)piperidine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

C14H17N3O2
1089731-60-1

C14H17N3O2

Conditions
ConditionsYield
for 0.0666667h; Microwave irradiation;88%
methanol
67-56-1

methanol

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

dimethyl 3,4-pyridinedicarboxylate
1796-83-4

dimethyl 3,4-pyridinedicarboxylate

Conditions
ConditionsYield
With thionyl chloride for 3h; Reflux;87.8%
With sulfuric acid80.3%
With sulfuric acid at 25 - 100℃; for 16h;73%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

zinc(II) pyridine-3,4-dicarboxylate

zinc(II) pyridine-3,4-dicarboxylate

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

Pyridine-3,4-dicarboxylic acid N-oxide
38557-81-2

Pyridine-3,4-dicarboxylic acid N-oxide

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

1,4-bis(imidazol-l-yl-methyl)benzene
56643-83-5

1,4-bis(imidazol-l-yl-methyl)benzene

[Zn(1,4-bis((1H-imidazol-1-yl)methyl)benzene)(PDC)]n

[Zn(1,4-bis((1H-imidazol-1-yl)methyl)benzene)(PDC)]n

Conditions
ConditionsYield
With sodium hydroxide In water at 160℃; for 72h; Autoclave; High pressure;85%
4,4'-bipyridine
553-26-4

4,4'-bipyridine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

water
7732-18-5

water

Zn2 bis(pyridine-3,4-dicarboxylate)(4,4'-bipyridine)(H2O)

Zn2 bis(pyridine-3,4-dicarboxylate)(4,4'-bipyridine)(H2O)

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

water
7732-18-5

water

zinc(II) acetate dihydrate
5970-45-6

zinc(II) acetate dihydrate

N,N’-di(3-pyridyl)adipoamide
39642-63-2

N,N’-di(3-pyridyl)adipoamide

[Zn2(3,4-pyridinedicarboxylate)2(N,N′-di(3-pyridyl)adipoamide)(H2O)6]·4H2O

[Zn2(3,4-pyridinedicarboxylate)2(N,N′-di(3-pyridyl)adipoamide)(H2O)6]·4H2O

Conditions
ConditionsYield
at 120℃; for 48h; Autoclave; High pressure;82%
1,2-bis(4'-pyridyl)ethane
4916-57-8

1,2-bis(4'-pyridyl)ethane

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

cadmium(II) nitrate tetrhydrate

cadmium(II) nitrate tetrhydrate

water
7732-18-5

water

{[Cd(3,4-pyridinedicarboxylate)(1,2-bis(4-pyridyl)ethane)0.5(H2O)]*(H2O)}n

{[Cd(3,4-pyridinedicarboxylate)(1,2-bis(4-pyridyl)ethane)0.5(H2O)]*(H2O)}n

Conditions
ConditionsYield
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%
4,4'-bipyridine
553-26-4

4,4'-bipyridine

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

cadmium(II) nitrate tetrhydrate

cadmium(II) nitrate tetrhydrate

water
7732-18-5

water

{[Cd2(3,4-pyridinedicarboxylate)2(4,4′-bipyridine )(H2O)2]·4H2O}n

{[Cd2(3,4-pyridinedicarboxylate)2(4,4′-bipyridine )(H2O)2]·4H2O}n

Conditions
ConditionsYield
With sodium hydroxide In methanol for 168h;82%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

lanthanum(III) nitrate hexahydrate

lanthanum(III) nitrate hexahydrate

[La(3,4-pyridinedicarboxylate)2]*H2O

[La(3,4-pyridinedicarboxylate)2]*H2O

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

neodymium(III) nitrate hexahydrate

neodymium(III) nitrate hexahydrate

[Nd(3,4-pyridinedicarboxylate)2]*H2O

[Nd(3,4-pyridinedicarboxylate)2]*H2O

Conditions
ConditionsYield
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
67-56-1

methanol

1,2-bis(4'-pyridyl)ethane
4916-57-8

1,2-bis(4'-pyridyl)ethane

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

cadmium(II) nitrate tetrhydrate

cadmium(II) nitrate tetrhydrate

water
7732-18-5

water

{[Cd(3,4-pyridinedicarboxylate)(1,2-bis(4-pyridyl)ethane)(CH3OH)]*(H2O)}n

{[Cd(3,4-pyridinedicarboxylate)(1,2-bis(4-pyridyl)ethane)(CH3OH)]*(H2O)}n

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

N-Boc-cis-3,4-piperidine dicarboxylic acid

N-Boc-cis-3,4-piperidine dicarboxylic acid

Conditions
ConditionsYield
With sodium hydroxide In hydrogenchloride; water75%
3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

pyridine-3,4-dicarboxylic acid, disodium salt

pyridine-3,4-dicarboxylic acid, disodium salt

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃;75%
pyridine-4-carboxylic acid
55-22-1

pyridine-4-carboxylic acid

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

dysprosium(III) nitrate hexahydrate

dysprosium(III) nitrate hexahydrate

[Dy(3,4-pyridinedicarboxylate)(isonicotinate)(H2O)2]

[Dy(3,4-pyridinedicarboxylate)(isonicotinate)(H2O)2]

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

dimethyl 3,4-pyridinedicarboxylate
1796-83-4

dimethyl 3,4-pyridinedicarboxylate

Conditions
ConditionsYield
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
490-11-9

3,4-pyridinecarboxylic acid

di-tert-butyltin dichloride
19429-30-2

di-tert-butyltin dichloride

sodium hydroxide
1310-73-2

sodium hydroxide

[(t)Bu2Sn(pyridine-3,4-dicarboxylate)]n

[(t)Bu2Sn(pyridine-3,4-dicarboxylate)]n

Conditions
ConditionsYield
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
366-18-7

[2,2]bipyridinyl

3,4-pyridinecarboxylic acid
490-11-9

3,4-pyridinecarboxylic acid

zinc(II) nitrate hexahydrate

zinc(II) nitrate hexahydrate

[Zn(pyridine-3,4-dicarboxylate)(2,2'-bipyridine)](n)
850311-31-8

[Zn(pyridine-3,4-dicarboxylate)(2,2'-bipyridine)](n)

Conditions
ConditionsYield
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%

490-11-9Relevant articles and documents

-

Abdusamatov et al.

, (1969)

-

-

Goldschmiedt

, p. 344,778 (1888)

-

Preparation method of nitrogen-containing aromatic dicarboxylic acid

-

Paragraph 0097-0098, (2020/03/02)

The invention discloses a preparation method of nitrogen-containing aromatic dicarboxylic acid. The method includes: taking quinoline, isoquinoline, benzimidazole or benzotriazole and a derivative thereof as the raw materials, adopting oxone as the oxidant, employing a metal salt as the catalyst and using inorganic acid as the medium, adding a phase transfer reagent, and carrying out reaction to obtain nitrogen-containing aromatic dicarboxylic acid. The reagents used by the method are high in stability, convenient for transportation and storage, the operation is simple, the conditions are easily controllable, and the price is low, at the same time, the catalytic effect is good, the yield is high, and waste liquid treatment is easy, therefore the method is convenient for industrial large-scale production.

On the formation of niacin (vitamin B3) and pyridine carboxylic acids in interstellar model ices

McMurtry, Brandon M.,Turner, Andrew M.,Saito, Sean E.J.,Kaiser, Ralf I.

, p. 173 - 184 (2016/06/13)

The formation of pyridine carboxylic acids in interstellar ice grains was simulated by electron exposures of binary pyridine (C5H5N)-carbon dioxide (CO2) ice mixtures at 10 K under contamination-free ultrahigh vacuum condi

ANODIC OXIDATION OF METHYL-SUBSTITUTED NITROGEN-CONTAINING HETEROCYCLIC COMPOUNDS AT THE ACTIVATED NICKEL OXIDE ELECTRODE

Feldman, D.,Chervenka, M.,Stokh, E.,Shimanska, M.,Khaber, E.

, p. 80 - 85 (2007/10/03)

Methyl derivatives of several nitrogen-containing heterocyclic compounds were converted into the corresponding carboxylic acids by means of electrochemical oxidation at the nickel oxohydroxide anode in alkaline medium, using a nondiaphragm electrolyzer.The oxidation of 2,5-dimethylpyrazine was used to demonstrate the effect of adding chromium (III) and cobalt (II) compounds to the reaction mixture.The composition and electronic state of the anode surface were studied using x-ray diffraction and XPS methods.

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