1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
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inquiryhigh qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Changzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and
Cas:57399-97-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryPrice, service, company and transport advantage: 1.Best service, high quality and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). ? 3. It's customers' right to choose the packing way for his products fro
Cas:57399-97-0
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inquiryDebyesci is here who supplied several kinds of chemical products to global pharmaceutical, drug discovery, agrochemical and biotechnology industries for four yearsOur key scientific leadership team has gained experience in top research and developmen
Cas:57399-97-0
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Type:Lab/Research institutions
inquiryOur company provides the best service for our customers. Under the premise of ensuring quality and delivery date, give customers the best price. The company is more willing to meet our customers. If you want to visit our factories and warehouses, we
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
high purity Application:Drug intermediates Materials intermediates and active molecules
Cas:57399-97-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryethyl 4-nitrophenylcarbamate
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; ammonium formate; silica gel In methanol for 1.5h; Milling; | 99% |
With 5%-palladium/activated carbon; ammonium formate In tetrahydrofuran; water at 50℃; for 24h; Inert atmosphere; | 65% |
With 5%-palladium/activated carbon; ammonium formate In tetrahydrofuran; water at 50℃; for 24h; Inert atmosphere; | 65% |
chloroformic acid ethyl ester
4-nitro-aniline
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: chloroformic acid ethyl ester; 4-nitro-aniline With N-ethyl-N,N-diisopropylamine In ethyl acetate at 20℃; for 18h; Stage #2: With hydrogen; 5%-palladium/activated carbon In ethyl acetate at 20℃; under 2250.23 Torr; for 12h; | 90% |
ethanol
4-Nitrophenyl isocyanate
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogen In dichloromethane at 25℃; for 16h; | 86% |
With hydrogen |
(4-nitroso-phenyl)-carbamic acid ethyl ester
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With sodium dithionite In 1,4-dioxane; water for 0.5h; Reduction; Heating; | 79% |
ethyl N-(4-acetamidophenyl)carbamate
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: ethyl N-(4-acetamidophenyl)carbamate With boron trifluoride - methanol (1/1) In methanol for 3h; Reflux; Stage #2: With ammonia In methanol; water Cooling; | 71% |
chloroformic acid ethyl ester
N-acetyl-p-phenylenediamine
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With 2.) acid Multistep reaction; |
1,4-phenylenediamine
A
N-(4-aminophenyl)carbamic acid ethyl ester
B
diethyl 1,4-phenylenediamine-N,N'-dicarboxylate
N-carboethoxyaniline
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 71 percent / HSO3ONO / acetic acid / 0.5 h / 0 °C 2: 79 percent / Na2S2O4 / dioxane; H2O / 0.5 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: diethyl ether; nitrous acid 2: tin; hydrochloric acid View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine; mercury dichloride In N,N-dimethyl-formamide at 0 - 20℃; | 87.62% |
acetic anhydride
N-(4-aminophenyl)carbamic acid ethyl ester
ethyl N-(4-acetamidophenyl)carbamate
Conditions | Yield |
---|---|
In acetic acid for 1h; | 75% |
With acetic acid |
4,7-dichloroquinoline
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
In ethanol Heating; | 68% |
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water at 160℃; for 2h; Microwave irradiation; | 64% |
phthalic anhydride
N-(4-aminophenyl)carbamic acid ethyl ester
1-ethoxycarbonylamino-4-phthalimidobenzene
Conditions | Yield |
---|---|
In acetic acid at 90℃; for 2.5h; | 62% |
In N,N-dimethyl-formamide at 20 - 95℃; for 2.5h; Solvent; Time; Inert atmosphere; | 60.3% |
N-(4-aminophenyl)carbamic acid ethyl ester
5-amino-2-ethoxycarbonylaminonitrobenzene
Conditions | Yield |
---|---|
With sulfuric acid; nitric acid In water at -5 - 0℃; for 0.5h; Inert atmosphere; | 60% |
Stage #1: N-(4-aminophenyl)carbamic acid ethyl ester With sulfuric acid In water at -5℃; Stage #2: With nitric acid In water at 0℃; for 0.5h; Inert atmosphere; | 60% |
Multi-step reaction with 3 steps 1: N,N-dimethyl-formamide / 2.5 h / 20 - 95 °C / Inert atmosphere 2: nitric acid / acetic acid / 20 - 105 °C / Inert atmosphere 3: methylamine / isopropyl alcohol; water / 2 h / 60 - 65 °C View Scheme |
benzoyl chloride
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With benzene |
benzoyl chloride
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With diethyl ether; N,N-dimethyl-aniline |
oxalic acid diethyl ester
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With ethanol |
N-(4-aminophenyl)carbamic acid ethyl ester
N-methyl-acetamide
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With trichlorophosphate In toluene |
N,N-dimethyl acetamide
N-(4-aminophenyl)carbamic acid ethyl ester
{4-[1-Dimethylamino-eth-(E)-ylideneamino]-phenyl}-carbamic acid ethyl ester
Conditions | Yield |
---|---|
With trichlorophosphate In toluene |
N,N-dimethyl-propanamide
N-(4-aminophenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With trichlorophosphate In toluene |
N-(4-aminophenyl)carbamic acid ethyl ester
N-ethylacetamide
Conditions | Yield |
---|---|
With trichlorophosphate In toluene |
thiophosgene
N-(4-aminophenyl)carbamic acid ethyl ester
p-Isothiocyanatophenyl urethane
Conditions | Yield |
---|---|
In 1,4-dioxane; water 1.) 15 deg C , 2 h , 2.) RT , overnight; | 10 g |
2-Chloronicotinoyl chloride
N-(4-aminophenyl)carbamic acid ethyl ester
{4-[(2-Chloro-pyridine-3-carbonyl)-amino]-phenyl}-carbamic acid ethyl ester
Conditions | Yield |
---|---|
With pyridine; N,N-dimethyl-formamide In dichloromethane at 0℃; for 1.5h; |
N-(4-aminophenyl)carbamic acid ethyl ester
2,3-dinitroaniline
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 75 percent / acetic acid / 1 h 2: 92 percent / sodium nitrate, conc. H2SO4 / 3 h / 0 - 5 °C 3: 65 percent / sodium hydroxide / ethanol 4: 32 percent / conc. sulfuric acid / 3 h / Ambient temperature View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
N-(3-nitrophenyl)acetanilide
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 75 percent / acetic acid / 1 h 2: 92 percent / sodium nitrate, conc. H2SO4 / 3 h / 0 - 5 °C 3: 65 percent / sodium hydroxide / ethanol View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
3,4-dinitroacetanilide
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 75 percent / acetic acid / 1 h 2: 92 percent / sodium nitrate, conc. H2SO4 / 3 h / 0 - 5 °C 3: 65 percent / sodium hydroxide / ethanol 4: 52 percent / sodium nitrate, conc. H2SO4 / 3 h / 0 - 5 °C View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
ethyl N-(4-acetamido-2-nitrophenyl)carbamate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 75 percent / acetic acid / 1 h 2: 92 percent / sodium nitrate, conc. H2SO4 / 3 h / 0 - 5 °C View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
p-Isothiocyanatophenyl isocyanate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 10 g / dioxane; H2O / 1.) 15 deg C , 2 h , 2.) RT , overnight 2: 0.8 g / PCl5 / chlorobenzene / 2 h / Heating View Scheme |
N-(4-aminophenyl)carbamic acid ethyl ester
(4-Isothiocyanato-phenyl)-carbamic acid 4-nitro-phenyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 10 g / dioxane; H2O / 1.) 15 deg C , 2 h , 2.) RT , overnight 2: 0.8 g / PCl5 / chlorobenzene / 2 h / Heating 3: 6.7 g / Pyridine / benzene / 3 h / 50 - 60 °C View Scheme |
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