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inquiryUnique advantages of Niclosamide Cas 50-65-7 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White fine crystals Storage:cool dry place Package:25kg/drum Application:Niclosam
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inquiryHebei Yanxi Chemical Co., Ltd. is a professional research, development and production of lead acetate benzene acetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low car
Name:niclosamide CAS NO: 50-65-7 Grade:Medical scientific research and export Molecular formula:C13H8Cl2N2O4 Molecular weight:327.1196 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Da
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inquiryHigh purity CAS 50-65-7 Niclosamide in stock Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED intermediates (Fluorene,Carbazo
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inquiryChemical Name: Niclosamide CAS No.: 50-65-7 Molecular Fomula:C13H8Cl2N2O4 Chemical Structure: Molecular weight: 327.12 Appearance: White or light yellow Crystalline Powder Assay:99.0 %min Appearance:Yellowish fine crystals Storage:Store in cool
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inquiryConditions | Yield |
---|---|
With phosphorus trichloride In chlorobenzene at 135℃; for 3h; Concentration; Solvent; | 68.7% |
With thionyl chloride In 5,5-dimethyl-1,3-cyclohexadiene at 78℃; for 6.1h; Temperature; Reflux; | |
With 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃; | |
With phosphorus trichloride In 5,5-dimethyl-1,3-cyclohexadiene for 4h; Reflux; |
Conditions | Yield |
---|---|
With 3-(ethoxycarbonyl)-1-(5-methyl-5-(nitrosooxy)hexyl)pyridin-1-ium bis(trifluoromethanesulfonyl)imide at 20℃; for 5h; Ionic liquid; | 48% |
Niclosamide
Conditions | Yield |
---|---|
With β-glucuronidase for 0.333333h; |
Conditions | Yield |
---|---|
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran; dichloromethane | |
In dichloromethane at 25℃; Inert atmosphere; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: thionyl chloride; N,N-dimethyl-formamide / dichloromethane / 12 h / 25 °C 2: dichloromethane / 25 °C / Inert atmosphere View Scheme |
Niclosamide
N,N-Dimethylcarbamoyl chloride
4-chloro-2-((2-chloro-4-nitrophenyl)carbamoyl)phenyl dimethylcarbamate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran Reflux; | 100% |
With pyridine; dmap Reflux; |
Niclosamide
Conditions | Yield |
---|---|
With ammonium chloride; zinc In methanol at 0 - 20℃; for 16h; | 100% |
With ammonium chloride; zinc In methanol; water at 0 - 20℃; for 16h; Inert atmosphere; | 100% |
With palladium 10% on activated carbon; hydrogen In methanol; ethyl acetate at 20℃; under 3000.3 Torr; for 3h; | 99.9% |
Conditions | Yield |
---|---|
With dmap; N-ethyl-N,N-diisopropylamine In tetrachloromethane; N,N-dimethyl-formamide at 0℃; for 2h; | 96.2% |
morpholine
formaldehyd
Niclosamide
5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxy-3-(morpholinomethyl)benzamide
Conditions | Yield |
---|---|
In ethanol; water for 2h; Mannich reaction; Heating; | 95% |
In ethanol; water Mannich reaction; Reflux; | 95% |
Niclosamide
methyl iodide
5-chloro-N-(2-chloro-4-nitrophenyl)-2-methoxybenzamide
Conditions | Yield |
---|---|
With potassium carbonate In acetone for 15h; Reflux; Sealed tube; Inert atmosphere; | 94% |
Niclosamide
2-(2-tert-butyloxycarbonylaminoethoxy)ethanol
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; | 93% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; Mitsunobu Displacement; Inert atmosphere; |
Conditions | Yield |
---|---|
In ethanol; water for 2h; Mannich reaction; Heating; | 92% |
Niclosamide
tert-butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate
4-{2-[4-chloro-2-(2-chloro-4-nitro-phenylcarbamoyl)-phenoxy]-ethyl}-piperazine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; | 91% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; Mitsunobu Displacement; Inert atmosphere; |
Conditions | Yield |
---|---|
In ethanol; water for 2h; Mannich reaction; Heating; | 90% |
Conditions | Yield |
---|---|
With dmap In N,N-dimethyl-formamide at 0℃; | 88.2% |
With phosphoric acid at 70℃; for 1h; | 83% |
With dmap In dichloromethane at 20℃; for 18h; |
piperidine
formaldehyd
Niclosamide
5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxy-3-(piperidinomethyl)benzamide
Conditions | Yield |
---|---|
In ethanol; water for 2h; Mannich reaction; Heating; | 87% |
In ethanol; water Mannich reaction; Reflux; | 87% |
2-fluoroethanol
Niclosamide
5-chloro-N-(2-chloro-4-nitro-phenyl)-2-(2-fluoro-ethoxy)benzamide
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 16h; Mitsunobu Displacement; Inert atmosphere; | 86% |
Conditions | Yield |
---|---|
With potassium carbonate In acetonitrile at 20℃; | 86% |
n-Dodecylamine
Niclosamide
dodecan-1-aminium 4-chloro-2-[(2-chloro-4-nitrophenyl)carbamoyl]phenoxide
Conditions | Yield |
---|---|
In ethanol at 20℃; for 336h; | 84% |
2,5-Dihydro-2,5-dioxo-1H-pyrrole-1-hexanoic acid
Niclosamide
Conditions | Yield |
---|---|
With triethylamine; dicyclohexyl-carbodiimide In N,N-dimethyl-formamide at 20℃; for 0.25h; Inert atmosphere; | 82% |
4-morpholinocarbonyl chloride
Niclosamide
4-chloro-2-((2-chloro-4-nitrophenyl)carbamoyl)phenyl morpholine-4-carboxylate
Conditions | Yield |
---|---|
With pyridine at 60℃; | 81% |
With pyridine; dmap for 3h; Reflux; |
hexadecylamine
Niclosamide
hexadecan-1-aminium 4-chloro-2-[(2-chloro-4-nitrophenyl)carbamoyl]phenoxide
Conditions | Yield |
---|---|
In ethanol at 20℃; for 336h; | 81% |
Niclosamide
5-chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzenecarbothioamide
Conditions | Yield |
---|---|
With Lawessons reagent In acetonitrile for 24h; Reflux; | 80% |
Niclosamide
8-tosyloxy-3,6-dioxaoctanol
O-(2-[2-(2-hydroxyethoxy)ethoxy]ethyl)niclosamide
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 79.99℃; for 12h; | 79% |
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 85℃; for 6h; Reflux; | 78% |
Conditions | Yield |
---|---|
Stage #1: isocyanate de chlorosulfonyle With formic acid at 0℃; Stage #2: Niclosamide With pyridine In dichloromethane at 50℃; for 6h; | 76% |
Conditions | Yield |
---|---|
With pyridine In chloroform at 0℃; for 3h; | 75% |
Niclosamide
2-bromoethanol
2-(2-bromoethoxy)-5-chloro-N-(2-chloro-4-nitrophenyl)benzamide
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 16h; Mitsunobu Displacement; Inert atmosphere; | 75% |
Conditions | Yield |
---|---|
In ethanol at 20℃; for 337.92h; | 74% |
2-(N-tert-butoxycarbonylamino)ethanol
Niclosamide
Conditions | Yield |
---|---|
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; | 71% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran | 45% |
With di-isopropyl azodicarboxylate; triphenylphosphine In tetrahydrofuran at 20℃; for 2h; Mitsunobu Displacement; Inert atmosphere; |
Niclosamide
p-toluenesulfonic acid 2-[2-[2-(2-hydroxyethoxy)ethoxy]ethoxy]ethyl ester
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 79.99℃; for 12h; | 70% |
Conditions | Yield |
---|---|
In ethanol; water 1.) reflux, 5 h, 2.) r.t., overnight; | 65% |
Niclosamide
Conditions | Yield |
---|---|
Stage #1: Niclosamide With N-ethyl-N,N-diisopropylamine In acetonitrile Stage #2: With potassium fluoride; N,N`-sulfuryldiimidazole; trifluoroacetic acid In water at 20℃; for 18h; | 64% |
Niclosamide
Conditions | Yield |
---|---|
With rhodium(III) chloride; water-d2 In N,N-dimethyl-formamide at 108℃; | 60% |
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