Naproxen sodium CAS NO 26159-34-2 at competitive price Product name:naproxen sodium CAS:26159-34-2 Assay:99% Standard:GMP&FDA approval naproxen sodium Another Name: (S)-6-Methoxy-alpha-methyl-2-naphthaleneacetic acid sodi
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inquiryItems Standard Result Assay (Ursolic acid) 98%min 98.22% -----------------------------------------------------------------------------------------------------------
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inquiryUnique advantages of Naproxen Cas 22204-53-1 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White or off-white crystalline powder Storage:Cool dry place Package:25kg/dru
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inquiryLinkMan ALbert Yu Cellphone +8613696510409 Skype albertyu CAS No.: 22204-53-1 Other Names: DL-Naproxen MF: C14H14O3 EINECS No.: 244-
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inquiryName:Naproxene CAS NO:22204-53-1 Grade:Medical scientific research and export Molecular formula:C14H13O3 Molecular weight:229.2518 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data s
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Name: Naproxen Formula: C14H14O3 Molecular Weight: 230.26 Synonyms: 2-Naphthaleneacetic acid, 6-methoxy-α-methyl-, (S)-;Naprontag;(2S)-2-(6-methoxynaphthalen-2-yl)propanoic acid;Nafasol;Proxen LE;(+)-2-(Methoxy-2-naphth
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inquiry1.Prompt Goods; 2.Flexible payment terms; 3.Documents & Certificate support. Name: Naproxene Molecular Structure: Formula: C14H14O3 Molecular Weight : 230.26 Synonyms: ()-2-(methoxy-2-naphthyl)-propionicacid;()-2-(methoxy-2-naphthyl)-prop
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B
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water | A 100% B n/a |
naproxen
A
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
B
(R)-2-(6-methoxy-2-naphthyl)propionic acid
Conditions | Yield |
---|---|
With 1-deoxy-1-(octylamino)-d-glucitol In acetonitrile for 6h; Heating; | A 99% B n/a |
With phosphate buffer; sodium dodecyl-sulfate; vancomycin at 20℃; Product distribution; electrophoretic enantioseparations, various substrates; | |
With ammonium acetate Purification / work up; Resolution of racemate; |
2-(6-methoxynaphth-2-yl)acrylic acid
pyrographite
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With triethylamine | 98% |
Naprelan
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride In methanol at 20℃; | 98% |
With hydrogenchloride In water pH=< 2; Inert atmosphere; | 94.3% |
A
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
B
(R)-(-)-1,2,3,6,7,11b-hexahydro-4H-pyrazino[2,1-a]isoquinolin-4-one
Conditions | Yield |
---|---|
With hydrogenchloride In water at 20℃; for 0.5h; pH=1; | A 97.9% B n/a |
2-(6-methoxynaphth-2-yl)acrylic acid
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With C48H50Cl4N2O2P2Ru3; hydrogen; sodium hydrogencarbonate In methanol at 20℃; under 3750.38 Torr; for 24h; Autoclave; enantioselective reaction; | 97% |
With hydrogen; (S)-Ru(OAc)2-BINAP In methanol at 15 - 30℃; under 102600 Torr; for 12h; | 92% |
With C42H48CoP2; hydrogen; triethylamine; zinc In methanol at 50℃; under 25858.1 Torr; for 16h; enantioselective reaction; | 91% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: 2-(1-bromoethyl)-2-(6-methoxylnaphth-2-yl)-5,5-dimethyl-1,3-epoxyhexane With zinc 2-(6-methoxylnaphthyl)propionate In toluene for 5.5h; Reflux; Stage #2: With sodium hydroxide In toluene for 3.5h; Reflux; Stage #3: With water; pyrographite In toluene for 0.5h; Reflux; | 96.9% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With sodium hydroxide In water | 96.3% |
6-methoxy-2-naphthylacetic acid
methyl iodide
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: 6-methoxy-2-naphthylacetic acid With n-butyllithium; N1,N3-bis((R)-1-phenyl-2-(piperidin-1-yl)ethyl)propane-1,3-diamine In tetrahydrofuran; hexanes at 0℃; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; hexanes at -90℃; for 0.0333333h; Inert atmosphere; optical yield given as %ee; enantioselective reaction; | 96% |
Stage #1: 6-methoxy-2-naphthylacetic acid With n-butyllithium; N1,N3-bis((R)-1-phenyl-2-(piperidin-1-yl)ethyl)propane-1,3-diamine In tetrahydrofuran; hexane at -78 - 0℃; for 0.333333h; Inert atmosphere; Stage #2: methyl iodide In tetrahydrofuran; hexane at -78℃; for 0.0333333h; Inert atmosphere; enantioselective reaction; | 94% |
S-2-(6-methoxy-2-naphthyl)propionaldehyde
2-pentene
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With sodium dihydrogenphosphate; sodium chlorite In water at 20℃; for 1h; | 96% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With sulfuric acid In 1,4-dioxane; water at 80℃; for 8h; | 96% |
2-(6-Methoxy-naphthalen-2-yl)-2-methyl-malonic acid
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With tris hydrochloride In water at 37℃; for 24h; pH=7.0; Reagent/catalyst; Enzymatic reaction; enantioselective reaction; | 95% |
(S)-3-(2-(6-methoxynaphthalen-2-yl)propanoyl)oxazolidin-2-one
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With water; dihydrogen peroxide; lithium hydroxide In tetrahydrofuran at 20℃; for 12h; | 94% |
Stage #1: (S)-3-(2-(6-methoxynaphthalen-2-yl)propanoyl)oxazolidin-2-one With lithium hydroxide monohydrate In tetrahydrofuran; water at 20℃; for 3h; Stage #2: With hydrogenchloride In tetrahydrofuran; water pH=4; |
2-(6-methoxynaphth-2-yl)acrylic acid
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
In methanol | 93.7% |
tert-butyl trimethylsilyl methyl ketene acetal
6-methoxynaphthalen-2-yl trifluoromethanesulfonate
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: tert-butyl trimethylsilyl methyl ketene acetal; 6-methoxynaphthalen-2-yl trifluoromethanesulfonate With (R)-2-(dicyclohexylphosphino)-2'-(2-naphthylmethoxy)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl; lithium acetate In dodecane; α,α,α-trifluorotoluene at 50℃; for 60h; Inert atmosphere; Stage #2: In dichloromethane; trifluoroacetic acid optical yield given as %ee; | 93% |
Stage #1: tert-butyl trimethylsilyl methyl ketene acetal; 6-methoxynaphthalen-2-yl trifluoromethanesulfonate With (N,N,N',N'-tetramethylethylenediamine)dimethylpalladium(II); (R)-2-(dicyclohexylphosphino)-2'-(2-naphthylmethoxy)-5,5',6,6',7,7',8,8'-octahydro-1,1'-binaphthyl; lithium acetate at 50℃; for 60h; Inert atmosphere; Stage #2: With trifluoroacetic acid In dichloromethane at 25℃; for 4h; | 93% |
naproxol
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; laccase from Trametes versicolor; oxygen In water; acetone at 20℃; for 168h; Enzymatic reaction; | 92% |
With Iron(III) nitrate nonahydrate; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; potassium chloride; oxygen In 1,2-dichloro-ethane at 25℃; Schlenk technique; | 90% |
With chromium(VI) oxide; sulfuric acid In acetone at 0℃; for 0.5h; | 69% |
(S)-6-methoxy-α-methyl-2-naphthaleneacetic acid ethyl ester
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With water; sodium hydroxide In 1,4-dioxane at 60℃; for 2h; pH=10 - 14; | 92% |
With monoclonal antibody N116-27; tris hydrochloride; sodium chloride In acetonitrile at 37℃; pH=8.2; Enzyme kinetics; |
2-(6-methoxynaphth-2-yl)acrylic acid
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
In methanol | 92% |
(d,l)-2-(5-bromo-6-methoxy-2-naphthyl)propionic acid
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride; aluminium trichloride In chloroform; water; toluene; 1,3,5-trimethyl-benzene | 91% |
With hydrogenchloride; aluminium trichloride In chloroform; water; toluene; 1,3,5-trimethyl-benzene | 91% |
(S)-phenethyl 2-(6-methoxynaphthalen-2-yl)propanoate
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; ammonium formate; palladium diacetate In methanol at 65℃; for 17h; | 91% |
S-2-(6-methoxy-2-naphthyl)propionaldehyde
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; tert.-butyl lithium In water; tert-butyl alcohol at 20℃; for 1h; | 91% |
With sodium chlorite; disodium hydrogenphosphate; 2-methyl-but-2-ene In water; tert-butyl alcohol for 1h; | 90% |
With sodium chlorite; potassium dihydrogenphosphate; 2-methyl-but-2-ene In water; tert-butyl alcohol at 20℃; for 20.8h; | 184.7 mg |
(S)-naproxen methyl ester
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With hydrogenchloride In water; acetic acid at 85℃; | 90% |
Acid hydrolysis; | |
With sodium hydroxide for 3h; Heating; | |
With naproxen esterase(NP); water Enzymatic reaction; |
A
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
B
(R)-4-isopropyloxazolidin-2-one
Conditions | Yield |
---|---|
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran; water at 20℃; for 12h; | A 74% B 90% |
(4R,2'S)-3-[2'-(6-methoxy-naphthalen-2-yl)propionyl]-4-phenyl-oxazolidin-2-one
A
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
B
(4R)-phenyl-2-oxazolidinone
Conditions | Yield |
---|---|
Stage #1: (4R,2'S)-3-[2'-(6-methoxy-naphthalen-2-yl)propionyl]-4-phenyl-oxazolidin-2-one With lithium hydroxide monohydrate; dihydrogen peroxide In tetrahydrofuran; water at 20℃; for 12h; Inert atmosphere; Stage #2: With hydrogenchloride In water pH=3; Inert atmosphere; | A 90% B 89% |
(2S,3R,4S)-2,3-Dihydroxy-4-(6-methoxynaphthalen-2-yl)-2-phenylpentane
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: (2S,3R,4S)-2,3-Dihydroxy-4-(6-methoxynaphthalen-2-yl)-2-phenylpentane With sodium periodate In dichloromethane for 1h; Oxidation; oxidative cleavage; Stage #2: With jones reagent In acetone for 1h; Oxidation; Further stages.; | 88% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: (S)-2-(6-Methoxy-naphthalen-2-yl)-propionic acid (2R,3S,4S,5S)-2,3,4,5,6-pentahydroxy-hexyl ester With hydroxyl chlorite In methanol for 2h; Heating; Stage #2: With sodium hydroxide In water | 87% |
(S)-4-tert-Butyl-3-[(S)-2-(6-methoxy-naphthalen-2-yl)-propionyl]-oxazolidin-2-one
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran at 25 - 30℃; for 1h; | 85.4% |
diazomethane
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-naproxen methyl ester
Conditions | Yield |
---|---|
In diethyl ether | 100% |
methanol
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-naproxen methyl ester
Conditions | Yield |
---|---|
With sulfuric acid | 100% |
With sulfuric acid for 4h; | 100% |
With thionyl chloride at 20℃; for 16h; Cooling with ice; Inert atmosphere; | 99% |
ethanol
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-6-methoxy-α-methyl-2-naphthaleneacetic acid ethyl ester
Conditions | Yield |
---|---|
With sulfuric acid | 100% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane 1.) 0 deg C, 1 h, 2.) r.t., 6 h; | 91% |
With sulfuric acid at 50℃; for 18h; | 84% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
S-(+)-2-(5-Bromo-6-Methoxy-2-Naphthyl)-Propionic Acid
Conditions | Yield |
---|---|
With bromine In dichloromethane at 20℃; for 1h; | 100% |
With aluminum tri-bromide; [bis(acetoxy)iodo]benzene In acetonitrile at 23℃; | 93% |
Multi-step reaction with 4 steps 1: 53 percent / oxalyl chloride / toluene / 4 h / 90 °C 2: 85 percent / triethylamine / CH2Cl2 / 0.25 h / -10 °C 3: 85 percent / Br2 / 1,2-dichloro-ethane / 0.75 h / 0 °C 4: 95 percent / CH3COOH, concd. HCl, water / 85 °C View Scheme | |
With sodium hypochlorite; potassium bromide In methanol; water |
bromoacetic acid tert-butyl ester
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
((tert-butyl)oxycarbonyl)methyl (2S)-2-(6-methoxy(2-naphthyl))propanoate
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 48h; | 100% |
With sodium hydrogencarbonate In N,N-dimethyl-formamide at 20℃; for 48h; |
memantine*
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
memantine-(S)-naproxen salt
Conditions | Yield |
---|---|
In methanol at 20℃; | 100% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(1S,2S)-2-((dimethylamino)methyl)-1-(3-methoxyphenyl)cyclohexanol (S)-naproxen salt
Conditions | Yield |
---|---|
In methanol at 20℃; | 100% |
methanol
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
methyl 2-(6-methoxy-2-naphthyl)propionate
Conditions | Yield |
---|---|
With sulfuric acid for 6h; Reflux; | 100% |
With sulfuric acid for 18h; Reflux; | 98% |
Stage #1: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With sulfuryl dichloride In dichloromethane at 50℃; for 1h; Stage #2: methanol With triethylamine In dichloromethane at 20℃; | 93% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
glycine ethyl ester hydrochloride
N-[2-(S)-(6-methoxy-2-naphthyl)propanoyl]glycine methyl ester
Conditions | Yield |
---|---|
Stage #1: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With 1,1'-carbonyldiimidazole In chloroform at 20℃; for 1h; Inert atmosphere; Stage #2: glycine ethyl ester hydrochloride In chloroform Inert atmosphere; | 100% |
With 4-pyrrolidin-1-ylpyridine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 60% |
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In acetonitrile for 3h; |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
cetyltrimethylammonium hydroxide
Conditions | Yield |
---|---|
In propan-1-ol | 100% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-naproxen methyl ester
Conditions | Yield |
---|---|
With sulfuric acid In methanol at 80℃; for 8h; stereoselective reaction; | 100% |
With sulfuric acid In methanol at 20℃; for 12h; Inert atmosphere; | 88% |
Conditions | Yield |
---|---|
In acetone | 99.9% |
10-Undecen-1-ol
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-naproxen undec-10-en-1-yl ester
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In benzene Heating; | 99% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
naproxol
Conditions | Yield |
---|---|
Stage #1: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; for 0.5h; Stage #2: With sodium tetrahydroborate; water In tetrahydrofuran at 0℃; for 0.5h; | 99% |
Stage #1: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; Inert atmosphere; Reflux; Stage #2: With rochelle salt In tetrahydrofuran at 0℃; Inert atmosphere; | 89% |
With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 16h; | 87% |
methyl(2-hydroxyethyl)carbamic acid tert-butyl ester
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride; dmap In dichloromethane at 0 - 20℃; for 24h; | 99% |
Conditions | Yield |
---|---|
Stage #1: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 0.5h; Inert atmosphere; Stage #2: cholesterol With dmap In dichloromethane at 0℃; for 8h; | 99% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
2-diazopropane
Conditions | Yield |
---|---|
In dichloromethane at 19℃; for 2h; chemoselective reaction; | 99% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
With copper diacetate; sodium carbonate; (3aR,3a'R,8aS,8a'S)-2,2'-(propane-2,2-diyl)bis(8,8a-dihydro-3aH-indeno[1,2-d]oxazole) In dichloromethane; water at 30℃; for 12h; enantioselective reaction; | 99% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
Stage #1: L-valine isopropyl ester hydrochloride With ammonium hydroxide In water Stage #2: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid In chloroform at 20℃; for 0.333333h; | 98.5% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
Conditions | Yield |
---|---|
In methanol | 98.3% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(S)-2-(1-chloro-2-methoxynaphthalen-6-yl)propanoic acid
Conditions | Yield |
---|---|
With N-chloro-succinimide; dimethyl sulfoxide In chloroform at 25℃; for 12h; Reagent/catalyst; Schlenk technique; | 98% |
With sulfuryl dichloride at 20℃; for 1h; | 89% |
Multi-step reaction with 3 steps 1: 100 percent / diethyl ether 2: 80 percent / sodium hypochlorite, aq. HCl / CH2Cl2 / 1 h / 15 °C 3: 37percent aq. Hcl / acetone / 3 h / Heating View Scheme | |
With sodium hypochlorite In methanol; water |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(2R)-(-)-2-phenyl-2-(piperidin-1-yl)ethanol
Conditions | Yield |
---|---|
Stage #1: (2R)-(-)-2-phenyl-2-(piperidin-1-yl)ethanol With methanesulfonyl chloride; triethylamine In chloroform at 0 - 5℃; for 0.5h; Stage #2: (2S)-2-(6-methoxy(2-naphthyl))propanoic acid With triethylamine In chloroform at 5 - 20℃; for 16h; enantiospecific reaction; | 98% |
(2S)-2-(6-methoxy(2-naphthyl))propanoic acid
(2R)-7-(nitrooxy)-4,8-dioxabicyclo(3.3.0)oct-2-yl(2S)-2-(6-methoxy (2-naphthyl)) propanoate
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | 97.6% |
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