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Dayang Chem (Hangzhou) Co.,Ltd.

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

Urethane Manufacturer/High quality/Best price/In stock

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance White crystalline grain or white powder Complies Content ≥98

High purity Urethane with high quality and best price cas:51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $15.0 / 25.0

Type:Manufacturers

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Simagchem Corporation

Welcome 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

High quality Ethyl Carbamate (Urethane) supplier in China

Cas:51-79-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply Ethyl Carbamate

Cas:51-79-6

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price API 99% Urethane 51-79-6 GMP Manufacturer

Cas:51-79-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai 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

lower price High quality Urethane

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Product 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:

Urethane 51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $240.0

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our 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

Urethane

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Discount price CAS 51-79-6 with best quality

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W

Urethane CAS51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $7.0 / 9.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product name Urethane Synonyms a11032;Aethylcarbamat;Aethylurethan;ai3-00553;Aminoformicacidethylester.;carbamated ethyle;Carbamidsaeure-aethylester;Estane 5703 Cas

Urethane CAS: 51-79-6

Cas:51-79-6

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients 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 Specialized

Urethane 51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Baoji Guokang Healthchem co.,ltd

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

Min.Order:1 Kilogram

FOB Price: $86.0 / 100.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

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

Urethane CAS:51-79-6

Cas:51-79-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

Urethane

Cas:51-79-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

Ethyl carbamate CAS51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Company 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

Urethane CAS 51-79-6

Cas:51-79-6

Min.Order:1 Kilogram

FOB Price: $8.0 / 10.0

Type:Trading Company

inquiry

Henan Wentao Chemical Product Co., Ltd.

Henan 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

Urethane

Cas:51-79-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Triumph International Development Limilted

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

Urethane

Cas:51-79-6

Min.Order:100 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

Ethyl Carbamate

Cas:51-79-6

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Hangzhou Keyingchem Co.,Ltd

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

Ethyl Carbamate

Cas:51-79-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Hangzhou J&H Chemical Co., Ltd.

J&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

Urethane

Cas:51-79-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

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

Urethane

Cas:51-79-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shanghai Massive Chemical Technology Co., Ltd.

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

Urethane

Cas:51-79-6

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

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

High quality Ethyl Carbamate

Cas:51-79-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We 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

Ethyl Carbamate

Cas:51-79-6

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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HANGZHOU YUNUO CHEMICAL CO.,LTD

superior 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

Urethane

Cas:51-79-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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TaiChem Taizhou Limited

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

Urethane

Cas:51-79-6

Min.Order:10 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Dorne chemical technology co. LTD

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,

Urethane

Cas:51-79-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

Best OfferUrethane

Cas:51-79-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

cyclohexane
110-82-7

cyclohexane

N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine
66121-61-7

N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine

A

Hexamethyldisiloxane
107-46-0

Hexamethyldisiloxane

B

ethyl N-cyclohexylcarbamate
1541-19-1

ethyl N-cyclohexylcarbamate

C

urethane
51-79-6

urethane

Conditions
ConditionsYield
at 100℃; for 25h;A 100%
B 80%
C 8%
at 45℃; for 58h; Irradiation;A 75%
B 45%
C 55%
ethanol
64-17-5

ethanol

urea
57-13-6

urea

urethane
51-79-6

urethane

Conditions
ConditionsYield
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
75934-53-1

ethyl-N-(carboethoxy)-N-nitrocarbamate

A

N-nitrouretahne ammonium salt
62258-40-6

N-nitrouretahne ammonium salt

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
With ammonia In acetonitrile for 0.0833333h;A 99%
B 0.15 g
trichloroethoxycarbonyl chloride

trichloroethoxycarbonyl chloride

urethane
51-79-6

urethane

Conditions
ConditionsYield
sodium hydrogencarbonate96%
Dichloronitroacetic acid ethyl ester
24482-75-5

Dichloronitroacetic acid ethyl ester

urethane
51-79-6

urethane

Conditions
ConditionsYield
With ammonium hydroxide for 48h; Ambient temperature;91%
ethanol
64-17-5

ethanol

sodium isocyanate
917-61-3

sodium isocyanate

urethane
51-79-6

urethane

Conditions
ConditionsYield
With hydrogenchloride In dichloromethane at -2 - 2℃; for 6h;90%
With perchloric acid on silica gel at 20℃; for 0.75h;73%
diethyl ether
60-29-7

diethyl ether

p-Methoxybenzyl bromide
2746-25-0

p-Methoxybenzyl bromide

urethane
51-79-6

urethane

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide; Petroleum ether; benzene90%
(Z,E)-N2-(ethoxycarbonyl)-N1-methyl-N1-octylformamidine

(Z,E)-N2-(ethoxycarbonyl)-N1-methyl-N1-octylformamidine

A

N-methyl-N-octylformamide
36600-01-8

N-methyl-N-octylformamide

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
With acetic acid In 1,4-dioxane at 20℃; for 1h;A 89%
B n/a
1-Ethoxycarbonylamino-2,4,6-trimethyl-pyridinium; perchlorate

1-Ethoxycarbonylamino-2,4,6-trimethyl-pyridinium; perchlorate

A

2,4,6-trimethyl-pyridine
108-75-8

2,4,6-trimethyl-pyridine

B

C11H16N2O2

C11H16N2O2

C

urethane
51-79-6

urethane

Conditions
ConditionsYield
With tetraethylammonium perchlorate In acetonitrile preparative electrolyse, - 2.3 V;A 87%
B n/a
C n/a
2Rh(1+)*4CO*2NCO(1-)=[Rh(CO)2NCO]2

2Rh(1+)*4CO*2NCO(1-)=[Rh(CO)2NCO]2

A

hexarhodium hexadecacarbonyl

hexarhodium hexadecacarbonyl

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
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
(Z,E)-N2-(ethoxycarbonyl)-N1-methyl-N1-dodecylformamidine

(Z,E)-N2-(ethoxycarbonyl)-N1-methyl-N1-dodecylformamidine

A

N-methyl-N-1-dodecylformamide
76058-02-1

N-methyl-N-1-dodecylformamide

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
With acetic acid In 1,4-dioxane at 20℃; for 1h;A 83%
B n/a
oxalic acid diethyl ester
95-92-1

oxalic acid diethyl ester

urea
57-13-6

urea

A

Ethyl oxamate
617-36-7

Ethyl oxamate

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
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.
potassium cyanate
590-28-3

potassium cyanate

ethanol
64-17-5

ethanol

urethane
51-79-6

urethane

Conditions
ConditionsYield
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
90454-50-5

N-ethoxycarbonyl-(2,3,4,5-tetrachloro-1-thiophenio)amide

A

2,3,4,5-tetrachlorothiophene
6012-97-1

2,3,4,5-tetrachlorothiophene

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
With hydrogen; nickel In tetrahydrofuran for 4h;A 61%
B 68%
With hydrogen; nickel Product distribution;A n/a
B 68%
ethanol
64-17-5

ethanol

urea
57-13-6

urea

A

urethane
51-79-6

urethane

B

Diethyl carbonate
105-58-8

Diethyl carbonate

Conditions
ConditionsYield
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
109-02-4

4-methyl-morpholine

ethyl azidocarbonate
817-87-8

ethyl azidocarbonate

A

4-(ethoxycarbonylaminomethyl)morpholine
58050-49-0

4-(ethoxycarbonylaminomethyl)morpholine

B

4-methyl-3-(ethoxycarbonylamino)morpholine
75256-50-7

4-methyl-3-(ethoxycarbonylamino)morpholine

C

urethane
51-79-6

urethane

Conditions
ConditionsYield
at 115℃; for 3h; Further byproducts given;A 13.4%
B 2.5%
C 61.1%
ethanol
64-17-5

ethanol

2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine
2911-21-9

2,4-dioxo-6-methyl-3,4-dihydro-2H-1,3-oxazine

A

ethyl acetoacetate
141-97-9

ethyl acetoacetate

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
With triethylamine for 24h; Heating;A 60%
B 12%
With triethylamine Heating; Yield given;
N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine
66121-61-7

N,O-bistrimethylsilyl-N-(ethoxycarbonyl)hydroxylamine

benzene
71-43-2

benzene

A

N-ethoxycarbonylazepine
2955-79-5

N-ethoxycarbonylazepine

B

urethane
51-79-6

urethane

Conditions
ConditionsYield
at 90℃; for 75h;A 57%
B n/a
O-ethyl thiocarbamate
625-57-0

O-ethyl thiocarbamate

A

3,5-diethoxy-1,2,4-thiadiazole
4115-25-7

3,5-diethoxy-1,2,4-thiadiazole

B

chloroethane
75-00-3

chloroethane

C

urethane
51-79-6

urethane

D

3-ethoxy-1,2,4-dithiazole-5-one
178318-21-3

3-ethoxy-1,2,4-dithiazole-5-one

Conditions
ConditionsYield
With chloro(chlorosulfanyl)methanone; triethylamine In chloroform at 5 - 10℃; for 0.25h;A 54%
B 17%
C 3%
D 7%
ethyl azidocarbonate
817-87-8

ethyl azidocarbonate

para-xylene
106-42-3

para-xylene

A

2,5-dimethyl-azepine-1-carboxylic acid ethyl ester
30559-02-5

2,5-dimethyl-azepine-1-carboxylic acid ethyl ester

B

ethyl 2,5-dimethylphenylcarbamate
76917-05-0

ethyl 2,5-dimethylphenylcarbamate

C

3,6-Dimethyl-azepine-1-carboxylic acid ethyl ester
76917-04-9

3,6-Dimethyl-azepine-1-carboxylic acid ethyl ester

D

urethane
51-79-6

urethane

Conditions
ConditionsYield
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
75633-16-8

1-ethoxycarbonyl-5-methyl-1H-1,3-diazepine

A

5-hydroxy-3-methyl-1,5-dihydropyrrol-2-one
37772-60-4

5-hydroxy-3-methyl-1,5-dihydropyrrol-2-one

B

ethyl N-carbonylcarbamate
18804-91-6

ethyl N-carbonylcarbamate

C

1-formyl-5-hydroxy-3-methyl-3-pyrrolin-2-one
91024-61-2

1-formyl-5-hydroxy-3-methyl-3-pyrrolin-2-one

D

urethane
51-79-6

urethane

Conditions
ConditionsYield
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
20160-60-5

2-(trimethylsilyl)-ethoxycarbonyl chloride

2-aminoacetophenone hydrochloride
5468-37-1

2-aminoacetophenone hydrochloride

urethane
51-79-6

urethane

Conditions
ConditionsYield
With triethylamine In tetrahydrofuran53%
With triethylamine In tetrahydrofuran53%
N-(2,4-dimethyl-6,7-methylenedioxy-3-quinazolinio)-ethoxyformamidate
57492-79-2

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
66117-80-4

(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
66117-79-1

1,2-bis(2-methyl-6,7-methylenedioxy-4-quinazolinyl)ethane

C

urethane
51-79-6

urethane

D

[1,2-Bis-(6-methyl-[1,3]dioxolo[4,5-g]quinazolin-8-yl)-ethyl]-carbamic acid ethyl ester

[1,2-Bis-(6-methyl-[1,3]dioxolo[4,5-g]quinazolin-8-yl)-ethyl]-carbamic acid ethyl ester

E

2,4-dimethyl-6,7-methylenedioxyquinazoline
57492-84-9

2,4-dimethyl-6,7-methylenedioxyquinazoline

Conditions
ConditionsYield
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%
formaldehyd
50-00-0

formaldehyd

urethane
51-79-6

urethane

ethyl N-(hydroxymethyl)carbamate
5027-16-7

ethyl N-(hydroxymethyl)carbamate

Conditions
ConditionsYield
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
684-16-2

Hexafluoroacetone

urethane
51-79-6

urethane

(2,2,2-Trifluoro-1-hydroxy-1-trifluoromethyl-ethyl)-carbamic acid ethyl ester
19396-71-5

(2,2,2-Trifluoro-1-hydroxy-1-trifluoromethyl-ethyl)-carbamic acid ethyl ester

Conditions
ConditionsYield
for 72h; Ambient temperature;100%
With toluene-4-sulfonic acid In dichloromethane
cyclohexenone
930-68-7

cyclohexenone

urethane
51-79-6

urethane

β-ethyloxycarbonylamino-cyclohexanone
38031-97-9

β-ethyloxycarbonylamino-cyclohexanone

Conditions
ConditionsYield
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%
(4-methoxy-phenyl)-[4-(3,4,5-tris-octadecyloxy-cyclohexylmethoxy)-phenyl]-methanol

(4-methoxy-phenyl)-[4-(3,4,5-tris-octadecyloxy-cyclohexylmethoxy)-phenyl]-methanol

urethane
51-79-6

urethane

ethyl {(4-methoxy-phenyl)-[4-(3,4,5-tris-octadecyloxy-cyclohexylmethoxy)-phenyl]-methyl}-carbamate

ethyl {(4-methoxy-phenyl)-[4-(3,4,5-tris-octadecyloxy-cyclohexylmethoxy)-phenyl]-methyl}-carbamate

Conditions
ConditionsYield
With methanesulfonic acid In toluene at 110℃; for 2h;100%
bis[4-(docosyloxy)phenyl]methyl alcohol
1246541-59-2

bis[4-(docosyloxy)phenyl]methyl alcohol

urethane
51-79-6

urethane

ethyl [bis-(4-docosoxyphenyl)methyl]carbamate
1394992-05-2

ethyl [bis-(4-docosoxyphenyl)methyl]carbamate

Conditions
ConditionsYield
With methanesulfonic acid In toluene at 110℃; for 2.5h;100%
With methanesulfonic acid In toluene at 110℃; for 3h;99%
triphenylmethyl alcohol
76-84-6

triphenylmethyl alcohol

urethane
51-79-6

urethane

trityl-carbamic acid ethyl ester
102459-48-3

trityl-carbamic acid ethyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 3h; Heating;99%
formaldehyd
50-00-0

formaldehyd

colchicine
64-86-8

colchicine

urethane
51-79-6

urethane

ethyl {[(7S)-7-(acetylamino)-5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-4-yl]methyl}carbamate

ethyl {[(7S)-7-(acetylamino)-5,6,7,9-tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a]heptalen-4-yl]methyl}carbamate

Conditions
ConditionsYield
Stage #1: formaldehyd; urethane With sulfuric acid; water at 20℃; for 0.166667h;
Stage #2: colchicine at 20℃; for 4h;
99%
urethane
51-79-6

urethane

(E)-ethyl (1,3-diphenylallyl)carbamate
1374561-60-0

(E)-ethyl (1,3-diphenylallyl)carbamate

Conditions
ConditionsYield
With perrhenic acid anhydride In dichloromethane at 20℃; for 1h;99%
Ethyl 4-bromobenzoate
5798-75-4

Ethyl 4-bromobenzoate

urethane
51-79-6

urethane

4-benzoesaure-ethylester
5100-21-0

4-benzoesaure-ethylester

Conditions
ConditionsYield
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%
3-acetoxy-1,3-diphenylpropene
73930-97-9

3-acetoxy-1,3-diphenylpropene

urethane
51-79-6

urethane

A

C18H19NO2

C18H19NO2

B

C18H19NO2

C18H19NO2

Conditions
ConditionsYield
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
1745-46-6

6,11-dihydrodibenzo[b,e]thiepin-11-ol

urethane
51-79-6

urethane

ethyl N-(6,11-dihydrodibenzothiepin-11-yl)carbamate
74797-18-5

ethyl N-(6,11-dihydrodibenzothiepin-11-yl)carbamate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In acetic acid 1) 37 deg C, 6h; 2) room temp., overnight;98%
1,1-dimethoxy-pentan-2-ol
53662-58-1

1,1-dimethoxy-pentan-2-ol

urethane
51-79-6

urethane

(2-Oxo-pentyl)-carbamic acid ethyl ester
104681-97-2

(2-Oxo-pentyl)-carbamic acid ethyl ester

Conditions
ConditionsYield
With hydrogenchloride In benzene for 1h; Heating;98%
1,6-Hexanediamine
124-09-4

1,6-Hexanediamine

ethanol
64-17-5

ethanol

urethane
51-79-6

urethane

1,6-bis-(ethoxycarbonylamino)-hexane
3066-65-7

1,6-bis-(ethoxycarbonylamino)-hexane

Conditions
ConditionsYield
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere;98%
n-Dodecylamine
124-22-1

n-Dodecylamine

ethanol
64-17-5

ethanol

urethane
51-79-6

urethane

ethyl-N-dodecylurethane
6268-50-4

ethyl-N-dodecylurethane

Conditions
ConditionsYield
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere;98%
ethanol
64-17-5

ethanol

1-amino-2-propene
107-11-9

1-amino-2-propene

urethane
51-79-6

urethane

ethyl N-allylcarbamate
5325-60-0

ethyl N-allylcarbamate

Conditions
ConditionsYield
With 5.1 wt% Ni/Fe3O4 at 190℃; under 11251.1 - 16501.7 Torr; for 5h; Autoclave; Inert atmosphere;98%
3-penten-2-one
625-33-2

3-penten-2-one

urethane
51-79-6

urethane

ethyl 4-oxopentan-2-ylcarbamate
1353002-67-1

ethyl 4-oxopentan-2-ylcarbamate

Conditions
ConditionsYield
With 1-methyl-imidazolium p-toluenesulfonic acid at 20℃; for 16h; Michael addition; neat (no solvent);98%
2-bromo-4-nitrotoluene
7745-93-9

2-bromo-4-nitrotoluene

urethane
51-79-6

urethane

ethyl (2-methyl-5-nitrophenyl)carbamate
16648-52-5

ethyl (2-methyl-5-nitrophenyl)carbamate

Conditions
ConditionsYield
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
90-90-4

(4-bromophenyl)(phenyl)methanone

urethane
51-79-6

urethane

ethyl (4-benzoylphenyl)carbamate
289471-18-7

ethyl (4-benzoylphenyl)carbamate

Conditions
ConditionsYield
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
292638-84-7

styrene

benzenetellurinyl acetate
39652-06-7

benzenetellurinyl acetate

urethane
51-79-6

urethane

ethyl <1-phenyl-2-(phenyltelluro)ethyl>carbamate
112476-38-7

ethyl <1-phenyl-2-(phenyltelluro)ethyl>carbamate

Conditions
ConditionsYield
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;
Phenyl glycidyl ether
122-60-1

Phenyl glycidyl ether

urethane
51-79-6

urethane

A

(2R)-1,2-epoxy-3-phenoxypropane
71031-03-3

(2R)-1,2-epoxy-3-phenoxypropane

B

((S)-2-hydroxy-3-phenoxypropyl)carbamic acid ethyl ester

((S)-2-hydroxy-3-phenoxypropyl)carbamic acid ethyl ester

Conditions
ConditionsYield
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
51-79-6

urethane

tert-butyl benzylidenecarbamate
177896-09-2

tert-butyl benzylidenecarbamate

(+/-)-tert-butyl urethanyl(phenyl)methylcarbamate

(+/-)-tert-butyl urethanyl(phenyl)methylcarbamate

Conditions
ConditionsYield
With bis(trifluoromethanesulfonyl)amide In diethyl ether at 20℃; for 0.333333h;97%
3-nitro-benzaldehyde
99-61-6

3-nitro-benzaldehyde

urethane
51-79-6

urethane

β-naphthol
135-19-3

β-naphthol

ethyl ((3-nitrophenyl)(2-hydroxynaphthalen-1-yl)methyl) carbamate
1372764-64-1

ethyl ((3-nitrophenyl)(2-hydroxynaphthalen-1-yl)methyl) carbamate

Conditions
ConditionsYield
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
104-95-0

(4-bromophenyl)thioanisole

urethane
51-79-6

urethane

ethyl (4-methylthiophenyl)carbamate
501679-13-6

ethyl (4-methylthiophenyl)carbamate

Conditions
ConditionsYield
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
1122-91-4

4-bromo-benzaldehyde

urethane
51-79-6

urethane

N-(4-formylphenyl)carbamic acid ethyl ester
20131-85-5

N-(4-formylphenyl)carbamic acid ethyl ester

Conditions
ConditionsYield
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%
1,2,3-Benzotriazole
95-14-7

1,2,3-Benzotriazole

glyoxalic acid monohydrate
6000-59-5

glyoxalic acid monohydrate

urethane
51-79-6

urethane

ethoxycarbonyl-(1-benzotriazolyl)glycine

ethoxycarbonyl-(1-benzotriazolyl)glycine

Conditions
ConditionsYield
In toluene96%

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