DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe
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inquiryItems Standard Result Appearance White crystalline grain or white powder Complies Content ≥98
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inquiryWelcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our
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inquiryShanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu
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inquiryProduct Name: Urethane Synonyms: a11032;Aethylcarbamat;Aethylurethan;ai3-00553;Aminoformicacidethylester.;carbamated’ethyle;Carbamidsaeure-aethylester;Estane 5703 CAS: 51-79-6 MF: C3H7NO2 MW: 89.09 EINECS: 200-123-1 Product Categories:
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inquiryOur advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva
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inquiryProduct name Urethane Synonyms a11032;Aethylcarbamat;Aethylurethan;ai3-00553;Aminoformicacidethylester.;carbamated ethyle;Carbamidsaeure-aethylester;Estane 5703 Cas
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Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At prese
Urethane CAS:51-79-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, ster
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inquiryCompany information: Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in chemical raw materials and chemical reagents research and development production enterprises. Our business covers more than 30 countries, most of the big custo
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Appearance:white powder/crystal Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:Common products:Sea/Ai
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Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
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inquiryJ&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia
Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
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inquirysuperior quality Appearance:white crystalline powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application:Naturally occurring contaminant in fermented
Established in May 2015, TaiChem Ltd. is initially invested by a British research and development company and started by PhDs back from aboard. The company is registered in China Medical City (CMC), Taizhou, Jiangsu Province, and the production site
Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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cyclohexane
N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine
A
Hexamethyldisiloxane
B
ethyl N-cyclohexylcarbamate
C
urethane
Conditions | Yield |
---|---|
at 100℃; for 25h; | A 100% B 80% C 8% |
at 45℃; for 58h; Irradiation; | A 75% B 45% C 55% |
Conditions | Yield |
---|---|
With alumina supported chromium oxide-nickel oxide-bismuth oxide trimetal oxide catalyst at 90℃; for 12h; Sealed tube; | 99.1% |
at 179.84℃; for 7h; Autoclave; | 90% |
ethyl-N-(carboethoxy)-N-nitrocarbamate
A
N-nitrouretahne ammonium salt
B
urethane
Conditions | Yield |
---|---|
With ammonia In acetonitrile for 0.0833333h; | A 99% B 0.15 g |
urethane
Conditions | Yield |
---|---|
sodium hydrogencarbonate | 96% |
Dichloronitroacetic acid ethyl ester
urethane
Conditions | Yield |
---|---|
With ammonium hydroxide for 48h; Ambient temperature; | 91% |
Conditions | Yield |
---|---|
With hydrogenchloride In dichloromethane at -2 - 2℃; for 6h; | 90% |
With perchloric acid on silica gel at 20℃; for 0.75h; | 73% |
Conditions | Yield |
---|---|
With potassium carbonate In N,N-dimethyl-formamide; Petroleum ether; benzene | 90% |
A
N-methyl-N-octylformamide
B
urethane
Conditions | Yield |
---|---|
With acetic acid In 1,4-dioxane at 20℃; for 1h; | A 89% B n/a |
Conditions | Yield |
---|---|
With tetraethylammonium perchlorate In acetonitrile preparative electrolyse, - 2.3 V; | A 87% B n/a C n/a |
Conditions | Yield |
---|---|
With ethanol; carbon monoxide In ethanol to degassed ethanol educt added with stirring while CO bubled through for 15 h; product filtered off, washed with ethanol and hexane, dried in vac.; elem. anal.; | A 85% B n/a |
A
N-methyl-N-1-dodecylformamide
B
urethane
Conditions | Yield |
---|---|
With acetic acid In 1,4-dioxane at 20℃; for 1h; | A 83% B n/a |
Conditions | Yield |
---|---|
With di(n-butyl)tin oxide at 140℃; for 12h; Inert atmosphere; | A 80% B 80% |
With di(n-butyl)tin oxide at 140℃; under 2585.81 Torr; for 12h; Inert atmosphere; Autoclave; | A 30 %Chromat. B 60 %Chromat. |
Conditions | Yield |
---|---|
With para-dodecylbenzenesulfonic acid In neat (no solvent) at 60℃; for 0.5h; Green chemistry; | 79% |
With hydrogenchloride Darst, dann neutralisiert man mit Bariumcarbonat; | |
With DBSA at 60℃; for 1h; | |
With DBSA at 60℃; for 1h; | |
With DBSA at 60℃; for 1h; |
N-ethoxycarbonyl-(2,3,4,5-tetrachloro-1-thiophenio)amide
A
2,3,4,5-tetrachlorothiophene
B
urethane
Conditions | Yield |
---|---|
With hydrogen; nickel In tetrahydrofuran for 4h; | A 61% B 68% |
With hydrogen; nickel Product distribution; | A n/a B 68% |
Conditions | Yield |
---|---|
With MgZn1.7Al hydrotalcite calcined at 450°C at 200℃; under 15001.5 Torr; for 4h; Catalytic behavior; Reagent/catalyst; Autoclave; | A 18% B 68% |
With calcined Y(NO3)3x6H2O; calcined Y(NO3)3x6H2O at 180℃; under 11096.7 Torr; for 4h; Inert atmosphere; Autoclave; | A 11.2% B 62.4% |
With Mg2Zr0.53Al0.47 mixed metal oxides at 200℃; for 5h; Reagent/catalyst; Temperature; | A 45.3% B 37.6% |
4-methyl-morpholine
ethyl azidocarbonate
A
4-(ethoxycarbonylaminomethyl)morpholine
B
4-methyl-3-(ethoxycarbonylamino)morpholine
C
urethane
Conditions | Yield |
---|---|
at 115℃; for 3h; Further byproducts given; | A 13.4% B 2.5% C 61.1% |
ethanol
2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine
A
ethyl acetoacetate
B
urethane
Conditions | Yield |
---|---|
With triethylamine for 24h; Heating; | A 60% B 12% |
With triethylamine Heating; Yield given; |
N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine
benzene
A
N-ethoxycarbonylazepine
B
urethane
Conditions | Yield |
---|---|
at 90℃; for 75h; | A 57% B n/a |
O-ethyl thiocarbamate
A
3,5-diethoxy-1,2,4-thiadiazole
B
chloroethane
C
urethane
D
3-ethoxy-1,2,4-dithiazole-5-one
Conditions | Yield |
---|---|
With chloro(chlorosulfanyl)methanone; triethylamine In chloroform at 5 - 10℃; for 0.25h; | A 54% B 17% C 3% D 7% |
ethyl azidocarbonate
para-xylene
A
2,5-dimethyl-azepine-1-carboxylic acid ethyl ester
B
ethyl 2,5-dimethylphenylcarbamate
C
3,6-Dimethyl-azepine-1-carboxylic acid ethyl ester
D
urethane
Conditions | Yield |
---|---|
Heating; | A 53% B 7% C 34% D 2% |
cobalt(II) 5,10,15,20-tetraphenylporphyrin Product distribution; Heating; others catalysts; |
1-ethoxycarbonyl-5-methyl-1H-1,3-diazepine
A
5-hydroxy-3-methyl-1,5-dihydropyrrol-2-one
B
ethyl N-carbonylcarbamate
C
1-formyl-5-hydroxy-3-methyl-3-pyrrolin-2-one
D
urethane
Conditions | Yield |
---|---|
With 5,10,15,20-tetrakisphenylporphyrin; oxygen In tetrachloromethane for 2h; Ambient temperature; Irradiation; | A 53% B 32% C 19% D 18% |
With 5,10,15,20-tetrakisphenylporphyrin; water; oxygen 1.) carbon tetrachloride, irradiation, 30 min; 2.) tetrahydrofuran, r.t., 6 h; Yield given. Multistep reaction. Yields of byproduct given; |
2-(trimethylsilyl)-ethoxycarbonyl chloride
2-aminoacetophenone hydrochloride
urethane
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran | 53% |
With triethylamine In tetrahydrofuran | 53% |
N-(2,4-dimethyl-6,7-methylenedioxy-3-quinazolinio)-ethoxyformamidate
A
(6-methyl-[1,3]dioxolo[4,5-g]quinazolin-8-ylmethyl)-carbamic acid ethyl ester
B
1,2-bis(2-methyl-6,7-methylenedioxy-4-quinazolinyl)ethane
C
urethane
E
2,4-dimethyl-6,7-methylenedioxyquinazoline
Conditions | Yield |
---|---|
In 1,4-dioxane for 80h; Mechanism; Heating; other solvent and temperature, other substrate; | A 5% B 1.4% C n/a D 15% E 51% |
Conditions | Yield |
---|---|
With potassium carbonate In benzene at 70 - 75℃; for 3.5h; | 100% |
With barium dihydroxide In water for 40h; Ambient temperature; | 38% |
With barium dihydroxide |
Hexafluoroacetone
urethane
(2,2,2-Trifluoro-1-hydroxy-1-trifluoromethyl-ethyl)-carbamic acid ethyl ester
Conditions | Yield |
---|---|
for 72h; Ambient temperature; | 100% |
With toluene-4-sulfonic acid In dichloromethane |
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; tributylphosphine In dichloromethane at 20℃; for 15h; aza-Michael reaction; | 100% |
With boron trifluoride diethyl etherate; tetrabutylammomium bromide In dichloromethane at 20℃; for 24h; aza-Michael reaction; | 95% |
With chloro-trimethyl-silane; iron(III) chloride In dichloromethane at 20℃; for 10h; aza-Michael reaction; | 93% |
urethane
Conditions | Yield |
---|---|
With methanesulfonic acid In toluene at 110℃; for 2h; | 100% |
bis[4-(docosyloxy)phenyl]methyl alcohol
urethane
ethyl [bis-(4-docosoxyphenyl)methyl]carbamate
Conditions | Yield |
---|---|
With methanesulfonic acid In toluene at 110℃; for 2.5h; | 100% |
With methanesulfonic acid In toluene at 110℃; for 3h; | 99% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 3h; Heating; | 99% |
Conditions | Yield |
---|---|
Stage #1: formaldehyd; urethane With sulfuric acid; water at 20℃; for 0.166667h; Stage #2: colchicine at 20℃; for 4h; | 99% |
1,3-diphenyl-3-hydroxypropene
urethane
(E)-ethyl (1,3-diphenylallyl)carbamate
Conditions | Yield |
---|---|
With perrhenic acid anhydride In dichloromethane at 20℃; for 1h; | 99% |
Conditions | Yield |
---|---|
With di-tert-butyl(2,2-diphenyl-1-methyl-1-cyclopropyl)phosphine; bis(η3-allyl-μ-chloropalladium(II)); sodium t-butanolate In water at 50℃; for 24h; Inert atmosphere; Green chemistry; | 99% |
Conditions | Yield |
---|---|
With potassium phosphate; bis(η3-allyl-μ-chloropalladium(II)); (2S,3S,5R,6R)-2,3-bis(2-(diphenylphosphino)phenyl)-1,4-dimethyldecahydroquinoxaline In N,N-dimethyl acetamide at 20℃; for 12h; enantioselective reaction; | A 99% B n/a |
6,11-dihydrodibenzo[b,e]thiepin-11-ol
urethane
ethyl N-(6,11-dihydrodibenzothiepin-11-yl)carbamate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In acetic acid 1) 37 deg C, 6h; 2) room temp., overnight; | 98% |
1,1-dimethoxy-pentan-2-ol
urethane
(2-Oxo-pentyl)-carbamic acid ethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride In benzene for 1h; Heating; | 98% |
1,6-Hexanediamine
ethanol
urethane
1,6-bis-(ethoxycarbonylamino)-hexane
Conditions | Yield |
---|---|
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere; | 98% |
Conditions | Yield |
---|---|
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 16h; Michael addition; neat (no solvent); | 98% |
2-bromo-4-nitrotoluene
urethane
ethyl (2-methyl-5-nitrophenyl)carbamate
Conditions | Yield |
---|---|
With di-tert-butyl(2,2-diphenyl-1-methyl-1-cyclopropyl)phosphine; bis(η3-allyl-μ-chloropalladium(II)); triisopropylsilanol; potassium hydroxide In water at 50℃; for 24h; Inert atmosphere; Green chemistry; | 98% |
(4-bromophenyl)(phenyl)methanone
urethane
ethyl (4-benzoylphenyl)carbamate
Conditions | Yield |
---|---|
With di-tert-butyl(2,2-diphenyl-1-methyl-1-cyclopropyl)phosphine; bis(η3-allyl-μ-chloropalladium(II)); sodium t-butanolate In water at 50℃; for 24h; Inert atmosphere; Green chemistry; | 98% |
With di-tert-butyl(2,2-diphenyl-1-methyl-1-cyclopropyl)phosphine; bis(η3-allyl-μ-chloropalladium(II)); TPGS-750-M; sodium t-butanolate In water at 50℃; for 24h; Reagent/catalyst; Inert atmosphere; Sealed tube; | 96% |
styrene
benzenetellurinyl acetate
urethane
ethyl <1-phenyl-2-(phenyltelluro)ethyl>carbamate
Conditions | Yield |
---|---|
boron trifluoride diethyl etherate In chloroform for 20h; Product distribution; Heating; further educts and catalysts; | 97% |
boron trifluoride diethyl etherate In chloroform for 20h; Heating; | 97% |
With boron trifluoride diethyl etherate; hydrazine hydrate 1.) CHCl3, reflux, 20 h; 2.) EtOH, 60 deg C, 15 min; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With air; 4-nitro-benzoic acid; [(S,S)-N,N’-bis(3,5-di-tertbutylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(II) In various solvent(s) at 20℃; for 24h; | A n/a B 97% |
urethane
tert-butyl benzylidenecarbamate
Conditions | Yield |
---|---|
With bis(trifluoromethanesulfonyl)amide In diethyl ether at 20℃; for 0.333333h; | 97% |
3-nitro-benzaldehyde
urethane
β-naphthol
ethyl ((3-nitrophenyl)(2-hydroxynaphthalen-1-yl)methyl) carbamate
Conditions | Yield |
---|---|
With copper(II) choride dihydrate In neat (no solvent) at 70℃; for 0.5h; | 97% |
With tin (IV) chloride pentahydrate In neat (no solvent) at 60℃; for 0.1h; | 95% |
With 1-methyl-2-oxopyrrolidinium hydrogen sulfate at 125℃; for 0.15h; | 93% |
With Tween 20 In water at 75 - 80℃; for 0.5h; | 90% |
(4-bromophenyl)thioanisole
urethane
ethyl (4-methylthiophenyl)carbamate
Conditions | Yield |
---|---|
With di-tert-butyl(2,2-diphenyl-1-methyl-1-cyclopropyl)phosphine; bis(η3-allyl-μ-chloropalladium(II)); triisopropylsilanol; potassium hydroxide In water at 50℃; for 24h; Inert atmosphere; Green chemistry; | 97% |
4-bromo-benzaldehyde
urethane
N-(4-formylphenyl)carbamic acid ethyl ester
Conditions | Yield |
---|---|
With caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; bis(dibenzylideneacetone)-palladium(0) In tetrahydrofuran at 80℃; | 96.3% |
Conditions | Yield |
---|---|
In toluene | 96% |
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