CAS No.822-89-9,OXY-PYRION? 1-HYDROXY-2(1H)-PYRIDINONE SPECIALITY CHEMICALS Suppliers

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1.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

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2-HYDROXYPYRIDINE-N-OXIDEAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

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2(1H)-Pyridinone,1-hydroxy-Appearance:Off white to slight yellow solid Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like

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Synthetic route

: 67-56-1
methanol

: 220196-57-6
1-(9-anthryl)methyloxy-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 2584-79-4
9-(methoxymethyl)anthracene

Conditions

Conditions	Yield
In methanol Ambient temperature; Irradiation;	A n/a B n/a C 30%

...Expand

: 67-56-1
methanol

: 220196-58-7
1-(pyren-1-ylmethyloxy)-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 91385-15-8
methyl 1-pyrenylmethyl ether

Conditions

Conditions	Yield
Ambient temperature; Irradiation;	A 19.4% B 5% C 4.1%

...Expand

: 220196-58-7
1-(pyren-1-ylmethyloxy)-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 3029-19-4
pyrene-1-aldehyde

D: 24463-15-8
1-pyrenemethanol

Conditions

Conditions	Yield
In methanol Ambient temperature; Irradiation;	A 19.4% B 5% C 17.3% D 3%

...Expand

: 220196-58-7
1-(pyren-1-ylmethyloxy)-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 3029-19-4
pyrene-1-aldehyde

D: 91385-15-8
methyl 1-pyrenylmethyl ether

Conditions

Conditions	Yield
In methanol Ambient temperature; Irradiation;	A 19.4% B 5% C 4.1% D 17.3%

...Expand

: 220196-58-7
1-(pyren-1-ylmethyloxy)-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 24463-15-8
1-pyrenemethanol

D: 91385-15-8
methyl 1-pyrenylmethyl ether

Conditions

Conditions	Yield
In methanol Ambient temperature; Irradiation;	A 19.4% B 5% C 3% D 17.3%

...Expand

: 142-08-5
2-Pyridone

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With Perbenzoic acid; chloroform

: 3445-09-8
2-ethoxylpyridine N-oxide

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With hydrogenchloride; water

: 5280-02-4
1-(benzyloxy)pyridin-2(1H)-one

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With palladium on activated charcoal; ethanol Hydrogenation;

: 2683-67-2
2-benzyloxypyridine 1-oxide

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With palladium on activated charcoal; ethanol Hydrogenation;
With hydrogenchloride; water

: 220196-57-6
1-(9-anthryl)methyloxy-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 1468-95-7
9-hydroxymethylanthracene

D: 642-31-9
9-anthracene aldehyde

Conditions

Conditions	Yield
In methanol Ambient temperature; Irradiation;

...Expand

2-bromo-pyridine-1-oxide-hydrochloride: 2-bromo-pyridine-1-oxide-hydrochloride

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With sodium hydroxide; water

: 67-56-1
methanol

: 220196-57-6
1-(9-anthryl)methyloxy-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 1468-95-7
9-hydroxymethylanthracene

D: 2584-79-4
9-(methoxymethyl)anthracene

Conditions

Conditions	Yield
at 20℃; for 0.5h; Product distribution; Further Variations:; irradiation time; Irradiation;	A 8.3 % Chromat. B 22.9 % Chromat. C 6.0 % Chromat. D 22.4 % Chromat.

...Expand

: 67-56-1
methanol

: 220196-58-7
1-(pyren-1-ylmethyloxy)-2-pyridone

A: 142-08-5
2-Pyridone

B: 822-89-9
1-Hydroxy-2-pyridon

C: 3029-19-4
pyrene-1-aldehyde

D: 91385-15-8
methyl 1-pyrenylmethyl ether

Conditions

Conditions	Yield
at 20℃; Product distribution; Irradiation;	A 19.4 % Chromat. B 5.0 % Chromat. C 17.3 % Chromat. D 4.1 % Chromat.

...Expand

: 109-04-6
2-bromo-pyridine

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: ethanol 2: acetic acid; hydrogen peroxide 3: hydrochloric acid; water View Scheme

: 2402-95-1
2-chloropyridine-N-oxide

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: benzyl alcohol; coal 2: palladium/charcoal; ethanol / Hydrogenation View Scheme

: 14529-53-4
2-ethoxypyridine

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: acetic acid; hydrogen peroxide 2: hydrochloric acid; water View Scheme

: 40864-08-2
2-benzyloxypyridine

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: chloroform 2: hydrochloric acid; water View Scheme

: 1254765-78-0
1-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)oxy)pyridin-2(1H)-one

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With water; dihydrogen peroxide In water at 20℃; for 24h; pH=7.5; Kinetics; Time; Concentration; aq. buffer;
Multi-step reaction with 2 steps 1: hydrogenchloride; water / 3 h 2: dihydrogen peroxide / 0.5 h / 20 °C / pH 7.5 / HEPES buffer View Scheme

: 91248-78-1
1-hydroxypyridin-2(1H)-one-β-D-glucopyranoside

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With almond β-glucosidase at 37℃; for 1h; pH=7.5; aq. buffer; Enzymatic reaction;

: 1325206-84-5
4-(((2-oxopyridin-1(2H)-yl)oxy)methyl)phenylboronic acid

: 822-89-9
1-Hydroxy-2-pyridon

Conditions

Conditions	Yield
With dihydrogen peroxide at 20℃; for 0.5h; pH=7.5; Kinetics; HEPES buffer;

: 822-89-9
1-Hydroxy-2-pyridon

: 501-52-0
3-Phenylpropionic acid

: 124552-53-0
2(1H)-oxo-1-pyridyl 3-phenylpropanoate

Conditions

Conditions	Yield
With dicyclohexyl-carbodiimide In dichloromethane	100%

: 822-89-9
1-Hydroxy-2-pyridon

: 76-86-8
Triphenylsilyl chloride

: Ph3Si(1-oxo-2-pyridinone)

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Glovebox;	100%

: 822-89-9
1-Hydroxy-2-pyridon

: 18395-90-9
Di-tert-butyldichlorosilane

: cis-tBu2Si(1-oxo-2-pyridinone)2

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 70℃; for 5h; Inert atmosphere; Glovebox;	98%

: 822-89-9
1-Hydroxy-2-pyridon

: 994-30-9
triethylsilyl chloride

: 1526929-10-1
Et3Si(1-oxo-2-pyridinone)

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 48h; Inert atmosphere; Glovebox;	98%

: 822-89-9
1-Hydroxy-2-pyridon

: 2524-64-3
chlorophosphoric acid diphenyl ester

: 2-Pyridon-1-yl diphenyl phosphate

Conditions

Conditions	Yield
With hydrogenchloride; sodium bicarbonate; triethylamine In dichloromethane	96%
With triethylamine In dichloromethane for 0.5h; Ambient temperature;	95%

: 822-89-9
1-Hydroxy-2-pyridon

: 1203555-59-2
2',3',5'-tris-O-(tert-butyldimethylsilyl)-O6-(mesitylsulfonyl)-2-fluoro-inosine

: 1203555-60-5
2',3',5'-tris-O-(tert-butyldimethylsilyl)-2-fluoro-O6-(2-oxopyridin-1(2H)-yl)inosine

Conditions

Conditions	Yield
Stage #1: 2',3',5'-tris-O-(tert-butyldimethylsilyl)-O6-(mesitylsulfonyl)-2-fluoro-inosine With 1,4-diaza-bicyclo[2.2.2]octane In 1,4-dioxane at 20℃; for 1h; Inert atmosphere; Stage #2: 1-Hydroxy-2-pyridon In 1,4-dioxane at 20℃; for 3.5h; Inert atmosphere;	96%

: 822-89-9
1-Hydroxy-2-pyridon

: 75-78-5
dimethylsilicon dichloride

: 1526929-19-0
Me2Si(1-oxo-2-pyridinone)Cl

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Glovebox;	96%

: 822-89-9
1-Hydroxy-2-pyridon

: 1719-53-5
diethyldichlorosilane

: cis-Et2Si(1-oxo-2-pyridinone)2

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Glovebox;	95%

: 822-89-9
1-Hydroxy-2-pyridon

: (TpPh,Me)ZnOH

: (TpPh,Me)Zn(1-hydroxy-2(1H)-pyridinone)

Conditions

Conditions	Yield
In methanol; dichloromethane at 20℃;	94%

: 822-89-9
1-Hydroxy-2-pyridon

: hydrotris(3,5-methylphenylpyrazolyl)boratozinc(II) hydroxide

: [(hydrotris(3,5-phenylmethylpyrazolyl)borate)Zn(1-hydroxy-2(1H)-pyridinone)]

Conditions

Conditions	Yield
In methanol; dichloromethane to soln. ((Tp(Ph,Me))ZnOH) in CH2Cl2 soln. 1-hydroxy-2(1H)-pyridinone inMeOH and stirred overnight under N2 atm.; soln. was evapd. to dryness, residue was dissolved in benzene and filtered, pentane diffusion; elem. anal.;	94%

: 822-89-9
1-Hydroxy-2-pyridon

: 1203555-56-9
2',3',5'-tris-O-(tert-butyldimethylsilyl)-N2-cyclopropyl-O6-(mesitylsulfonyl)guanosine

: 1203555-58-1
2',3',5'-tris-O-(tert-butyldimethylsilyl)-N2-cyclopropyl-O6-(2-oxopyridin-1(2H)-yl)guanosine

Conditions

Conditions	Yield
Stage #1: 2',3',5'-tris-O-(tert-butyldimethylsilyl)-N2-cyclopropyl-O6-(mesitylsulfonyl)guanosine With 1,4-diaza-bicyclo[2.2.2]octane In 1,4-dioxane at 20℃; for 1h; Inert atmosphere; Stage #2: 1-Hydroxy-2-pyridon With 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane at 20℃; for 3.5h; Inert atmosphere;	94%

: 822-89-9
1-Hydroxy-2-pyridon

: 150884-25-6
3',5'-bis-O-(tert-butyldimethylsilyl)-O6-[(2,4,6-trimethylphenyl)sulfonyl]-2'-deoxyguanosine

: 1203555-49-0
3',5'-bis-O-(tert-butyldimethylsilyl)-O6-(2-oxopyridin-1(2H)-yl)-2'-deoxyguanosine

Conditions

Conditions	Yield
Stage #1: 3',5'-bis-O-(tert-butyldimethylsilyl)-O6-[(2,4,6-trimethylphenyl)sulfonyl]-2'-deoxyguanosine With 1,4-diaza-bicyclo[2.2.2]octane In 1,4-dioxane at 20℃; for 1h; Inert atmosphere; Stage #2: 1-Hydroxy-2-pyridon With 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane at 20℃; for 3.5h; Inert atmosphere;	94%

: 822-89-9
1-Hydroxy-2-pyridon

: 7751-38-4
Diisopropylsilyl dichloride

: cis-iPr2Si(1-oxo-2-pyridinone)2

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Glovebox;	93%

: 822-89-9
1-Hydroxy-2-pyridon

: 2351-33-9
1,1-dichlorosilacyclobutane

: (CH2)3Si(1-oxo-2-pyridinone)2

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Glovebox;	93%

: 822-89-9
1-Hydroxy-2-pyridon

: 75-77-4
chloro-trimethyl-silane

: Me3Si(1-oxo-2-pyridinone)

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Glovebox;	92%
With triethylamine In tetrahydrofuran	70%

: 822-89-9
1-Hydroxy-2-pyridon

: [(hydrotris(3,5-phenylmethylpyrazolyl)borato)CoCl]

: [(hydrotris(3,5-phenylmethylpyrazolyl)borato)Co(1,2-HOPO)]

Conditions

Conditions	Yield
With (C2H5)3N In methanol; dichloromethane (C2H5)3N added to a soln. of Co complex, a soln. of ligand in MeOH added, stirred at room temp. under N2; evapd. (vac.), dissolved in C6H6, filtered, crystd. by diffusion of the soln. with pentane; elem. anal.;	92%

: 822-89-9
1-Hydroxy-2-pyridon

: 1719-53-5
diethyldichlorosilane

: 1526929-20-3
Et2Si(1-oxo-2-pyridinone)Cl

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 1.33333h; Inert atmosphere; Glovebox;	92%

: 9-{2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)(dimethyl)silyl]-β-D-erythro-pentofuranosyl}-6-{[(2,4,6-trimethylphenyl)sulfonyl]oxy}-9H-purin-2-amine

: 822-89-9
1-Hydroxy-2-pyridon

: 1203555-50-3
2',3',5'-tris-O-(tert-butyldimethylsilyl)-O6-(2-oxopyridin-1(2H)-yl)guanosine

Conditions

Conditions	Yield
Stage #1: 9-{2-deoxy-3,5-bis-O-[(1,1-dimethylethyl)(dimethyl)silyl]-β-D-erythro-pentofuranosyl}-6-{[(2,4,6-trimethylphenyl)sulfonyl]oxy}-9H-purin-2-amine With 1,4-diaza-bicyclo[2.2.2]octane In 1,4-dioxane at 20℃; for 1h; Inert atmosphere; Stage #2: 1-Hydroxy-2-pyridon With 1,8-diazabicyclo[5.4.0]undec-7-ene In 1,4-dioxane at 20℃; for 3.5h; Inert atmosphere;	91%

: 822-89-9
1-Hydroxy-2-pyridon

: 4548-45-2
2-chloro-5-nitropyridine

: 1346257-87-1
1-(5-nitro-2-pyridyloxy)pyridin-2(1H)-one

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃;	90.13%

: 822-89-9
1-Hydroxy-2-pyridon

: 24672-87-5
4-methoxy-2-(2-methoxy-2-oxoethyl)benzoic acid

: 221133-91-1
4-Methoxy-2-methoxycarbonylmethylbenzoic acid 2-oxo-1,2-dihydropyridin-1-yl ester

Conditions

Conditions	Yield
With dicyclohexyl-carbodiimide In dichloromethane for 3h; Ambient temperature;	89%

: 822-89-9
1-Hydroxy-2-pyridon

: 28920-43-6
(fluorenylmethoxy)carbonyl chloride

: 1235983-29-5
(9H-fluoren-9-yl)methyl 2-oxopyridin-1(2H)-yl carbonate

Conditions

Conditions	Yield
With sodium carbonate In dichloromethane; water at 0 - 20℃;	89%

: 822-89-9
1-Hydroxy-2-pyridon

: 93-11-8
2-Naphthalenesulfonyl chloride

: 1243301-72-5
2-oxopyridin-1(2H)-yl naphthalene-2-sulfonate

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;	88%

: 822-89-9
1-Hydroxy-2-pyridon

: 138500-85-3
4-bromomethylphenylboronic acid pinacol ester

: 1254765-78-0
1-((4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)oxy)pyridin-2(1H)-one

Conditions

Conditions	Yield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 12h; Inert atmosphere;	87%

: 822-89-9
1-Hydroxy-2-pyridon

: 97-00-7
1-chloro-2,4-dinitro-benzene

: 1346257-82-6
1-(2,4-dinitrophenoxy)pyridin-2(1H)-one

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃;	86.64%

: 822-89-9
1-Hydroxy-2-pyridon

: 3140-73-6
2-chloro-4,6-dimethoxy-1 ,3,5-triazine

: 1259296-16-6
1-(4,6-dimethoxy-1,3,5-triazin-2-yloxy)pyridin-2(1H)-one

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0 - 20℃;	85%

: 822-89-9
1-Hydroxy-2-pyridon

: 100-39-0
benzyl bromide

: 5280-02-4
1-(benzyloxy)pyridin-2(1H)-one

Conditions

Conditions	Yield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 16h;	84%

: 822-89-9
1-Hydroxy-2-pyridon

: 75-78-5
dimethylsilicon dichloride

: cis-Me2Si(1-oxo-2-pyridinone)2

Conditions

Conditions	Yield
With triethylamine In tetrahydrofuran at 20℃; for 24h; Inert atmosphere; Glovebox;	84%

: 822-89-9
1-Hydroxy-2-pyridon

: 64-19-7
acetic acid

: 1742-79-6
2-oxopyridin-1(2H)-yl acetate

Conditions

Conditions	Yield
With triphenylphosphine; diethylazodicarboxylate In tetrahydrofuran for 24h; Ambient temperature;	82%

: 822-89-9
1-Hydroxy-2-pyridon

: N,N,N',N'-tetramethylchloroformamidinium hexafluorophosphate

: 364047-51-8
[O-(1,2-dihydro-2-oxo-pyridyl)-N,N,N',N'-tetramethyluronium]hexafluorophosphate

Conditions

Conditions	Yield
In acetonitrile at 0 - 20℃;	82%

: 822-89-9
1-Hydroxy-2-pyridon

: 98-59-9
p-toluenesulfonyl chloride

: 5087-06-9
2-oxopyridin-1(2H)-yl 4-methylbenzene sulfonate

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 0 - 20℃; Inert atmosphere;	81%
Stage #1: 1-Hydroxy-2-pyridon With triethylamine In dichloromethane at 0℃; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride In dichloromethane at 0 - 20℃; for 2.5h; Inert atmosphere;	78%

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