We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Specification : Tetraethyl orthocarbonate CAS No
As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:78-09-1
Min.Order:1 Kilogram
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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
Cas:78-09-1
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inquiryProduct description: Product name Tetraethyl orthocarbonate CAS number 78-09-1 Assay ≥99% Appearance Colorless transparent liquid Capacity 500mt/year Application Pharmaceutic
Cas:78-09-1
Min.Order:10 Gram
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Type:Lab/Research institutions
inquiryUnique advantages for Tetraethyl orthocarbonate Cas 78-09-1 Guaranteed the purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:Liquid Storage:Refrigerator Package:180kg/drum Application:Interme
Cas:78-09-1
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inquiryHebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable
Cas:78-09-1
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inquiryTetraethyl orthocarbonate Basic information Product Name: Tetraethyl orthocarbonate Synonyms: ORTHOCARBONIC ACID TETRAETHYL ESTER;TETRAETHOXYMETHANE;TETRAETHYL ORTH
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
Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block
Cas:78-09-1
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Type:Manufacturers
inquiryOur company was built in 2009 with an ISO certificate.In the past 6 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.O
Cas:78-09-1
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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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inquiryWITH 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
Cas:78-09-1
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inquiryProduct Name: Tetraethyl orthocarbonate Synonyms: Teraethyl orthocarbonate;ORTHOCARBONIC ACID TETRAETHYL ESTER;TETRAETHOXYMETHANE;TETRAETHYL ORTHOCARBONATE;1-(Triethoxymethoxy)ethane;1,1’,1’&rsq
Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best s
Cas:78-09-1
Min.Order:10 Gram
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Type:Other
inquiry1.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
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inquiryOur 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 presen
Cas:78-09-1
Min.Order:1 Kilogram
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inquiryBeluga chemical professional supply China high-quality Tetraethyl orthocarbonate CAS:78-09-1 factory Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical sup
Cas:78-09-1
Min.Order:1 Kilogram
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inquiryHello, 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
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiry1,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
Cas:78-09-1
Min.Order:1 Kilogram
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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
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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Min.Order:1 Kilogram
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inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures
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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
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inquiryChemlyte Solutions believe that customers and suppliers deserve much more than what traditional distributors can offer. To grow in today s fast-paced and increasingly competitive market it is essential to be able to quickly adapt to market forces eff
Cas:78-09-1
Min.Order:100 Gram
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inquiryOur Advantages Production: Advanced chemical equipment with years of experience.Staffs for producing various extract products. Quality Control:A complete set of Testing Professional and Analysis Equipment ensures the Quality Requirements and Speci
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inquiryZibo 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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inquiryHangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing company. In the twelve years history, it invested two pharmaceutical raw material production plants, one researching company, and several
Cas:78-09-1
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inquiryProduct name: Tetraethyl Orthocarbonate CAS No.: 78-09-1 Molecule Formula:C9H20O4 Molecule Weight:192.25 Purity: 99.0% Package: 50kg/drum Description:Colorless liquid Manufacture Standards:Enterprise Standard TESTI
Cas:78-09-1
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryCangzhou Enke Pharma Tech Co.,ltd. is located in Cangzhou City, Hebei province ,where is a famous petroleum chemical industry city in China. Enke Pharma a high-tech enterprise ,and we are dedicated to developing and manufacturing new api, in
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Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
With sodium ethanolate at 65 - 70℃; for 3h; Temperature; Large scale; | 91% |
With sodium Darst.; |
ethyl 2,2,2-trichloroacetimidate
sodium methylate
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
In ethanol for 1h; Heating; | 85% |
sodium ethanolate
trichloroacetonitrile
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
In ethanol for 3.5h; Heating / reflux; | 83% |
In ethanol Heating; |
tetrachloromethane
ethanol
sodium ethanolate
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
at 80 - 95℃; for 5h; Temperature; | 83% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid Heating; | 71% |
triethoxyacetonitrile
sodium ethanolate
A
orthocarbonic acid tetraethyl ester
B
Triethylmethylorthocarbonat
C
Trimethylethylorthocarbonat
Conditions | Yield |
---|---|
In ethanol 1.) 5 min, 60 deg C, 2.) 30 min, to room temperature; Title compound not separated from byproducts; | A 70% B 58% C 2% |
Conditions | Yield |
---|---|
With silver trifluoroacetate; triethylamine for 5h; Ambient temperature; | 61% |
Yield given. Multistep reaction; |
triethoxyacetonitrile
N-butylamine
A
orthocarbonic acid tetraethyl ester
B
Diethyl(butylimido)carbonat
C
1,3-Dibutyl-2-ethylisoharnstoff
Conditions | Yield |
---|---|
at 120℃; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | A n/a B n/a C 59% |
at 120℃; Heating; Yields of byproduct given; | A n/a B n/a C 59% |
Conditions | Yield |
---|---|
In ethanol at 57 - 64℃; for 2h; Heating / reflux; Industry scale; | 58.3% |
triethoxyacetonitrile
sodium methylate
A
orthocarbonic acid tetraethyl ester
B
Triethylmethylorthocarbonat
C
Trimethylethylorthocarbonat
Conditions | Yield |
---|---|
In methanol at 60℃; Title compound not separated from byproducts; | A 8 % Chromat. B 58% C 2 % Chromat. |
3,3-diethoxypentane
A
orthocarbonic acid tetraethyl ester
B
3-chloro-benzoic acid ethyl ester
C
Ethyl propionate
D
Diethyl carbonate
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 15 - 30℃; for 0.5h; Further byproducts given; | A 18% B n/a C n/a D 50% |
triethoxyacetonitrile
benzylamine
A
orthocarbonic acid tetraethyl ester
B
Diethyl(benzylimido)carbonat
C
1,3-Dibenzyl-2-ethylisoharnstoff
Conditions | Yield |
---|---|
at 120℃; | A n/a B 45% C 14% |
at 120℃; Heating; | A n/a B 45% C 14% |
Triethyl orthopropionate
A
orthocarbonic acid tetraethyl ester
B
Diethyl carbonate
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In dichloromethane at 15 - 30℃; for 0.5h; | A 25% B 45% |
sodium methylate
trichloroacetonitrile
A
orthocarbonic acid tetraethyl ester
B
ethyl 2,2,2-trichloroacetimidate
C
triethoxyacetonitrile
D
Ethyl-triethoxyacetimidat
Conditions | Yield |
---|---|
In n-heptane at 94℃; for 2h; | A n/a B n/a C n/a D 5.5% |
tetrachloromethane
sodium ethanolate
A
orthocarbonic acid tetraethyl ester
B
orthoformic acid triethyl ester
diethyl ether
carbon tetrabromide
sodium ethanolate
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
With diethyl ether |
trichloro-methanesulfenic acid ethyl ester
sodium ethanolate
orthocarbonic acid tetraethyl ester
diethyl ether
ethanol
sodium ethanolate
chlorothio-trichloro-methane
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
bei Einw.; |
sodium ethanolate
chlorothio-trichloro-methane
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
With diethyl ether |
carbon disulfide
tin(II) ethoxide
orthocarbonic acid tetraethyl ester
ethanol
N-(di-ethoxymethylene)-benzamide
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
With hydrogenchloride |
Conditions | Yield |
---|---|
With pyridine Ambient temperature; |
Acetyl cyanide
N,N-Dimethyl-orthocarbamidsaeure-triethylester
A
N,N-dimethyl acetamide
B
orthocarbonic acid tetraethyl ester
C
triethoxyacetonitrile
D
2,2-diethoxy-2-dimethylaminoacetonitrile
Conditions | Yield |
---|---|
In diethyl ether for 5h; Ambient temperature; Yield given; | |
In diethyl ether for 5h; Ambient temperature; |
sodium methylate
A
tetramethoxymethane
B
orthocarbonic acid tetraethyl ester
C
Triethylmethylorthocarbonat
D
Trimethylethylorthocarbonat
Conditions | Yield |
---|---|
In methanol for 12h; Product distribution; Ambient temperature; also with other sodium-alcoholates; |
methyl 2-(trifluoroacetamido)acrylate
ketene diethyl acetal
C
ethyl 2-ethoxypropionate
D
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
In chloroform-d1 at 25℃; Product distribution; Michael-Dieckmann type reaction; |
Conditions | Yield |
---|---|
at 160 - 170℃; for 10h; | 98% |
at 120℃; for 3h; Product distribution; other times and temperatures; | 21% |
at 160℃; |
4,5-dicyano-1H-imidazole
orthocarbonic acid tetraethyl ester
1-ethyl-4,5-dicyanoimidazole
Conditions | Yield |
---|---|
1) 0.5 h, 100 deg C 2) 2 h, 150 deg C; | 96% |
orthocarbonic acid tetraethyl ester
2-nitro-5-(trifluoromethyl)aniline
C10H9F3N2O
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 96% |
orthocarbonic acid tetraethyl ester
1,2-diamino-benzene
2-ethoxy-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
Stage #1: orthocarbonic acid tetraethyl ester; 1,2-diamino-benzene With acetic acid at 70℃; for 2h; Stage #2: With potassium hydroxide In water at 20℃; for 1h; | 94% |
Stage #1: orthocarbonic acid tetraethyl ester; 1,2-diamino-benzene With acetic acid at 70℃; for 3h; Large scale; Stage #2: With potassium hydroxide for 1h; Large scale; | 94.2% |
In neat (no solvent) at 70℃; for 2h; | 93% |
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 94% |
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 94% |
orthocarbonic acid tetraethyl ester
2-(((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)amino)-3-aminobenzoic acid-1-(((cyclohexyloxy)carbonyl)oxy)ethyl ester
candesartan cilexetil
Conditions | Yield |
---|---|
With acetic acid In ethyl acetate at 30℃; Temperature; | 93.9% |
With acetic acid In toluene at 60℃; for 2h; | 81% |
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
at 20℃; for 17h; | 93.4% |
orthocarbonic acid tetraethyl ester
trimethylsilylacetylene
trimethyl(3,3,3-triethoxyprop-1-yn-1-yl)silane
Conditions | Yield |
---|---|
Stage #1: trimethylsilylacetylene With magnesium; isopropyl bromide In diethyl ether at 10℃; for 1h; Inert atmosphere; Cooling with ice; Stage #2: orthocarbonic acid tetraethyl ester In diethyl ether at 20℃; for 1h; Inert atmosphere; | 93% |
Stage #1: trimethylsilylacetylene With ethylmagnesium bromide In diethyl ether at 20℃; Reflux; Stage #2: orthocarbonic acid tetraethyl ester In diethyl ether at 20℃; Reflux; | 77% |
Stage #1: trimethylsilylacetylene With ethylmagnesium bromide In diethyl ether at 20℃; Inert atmosphere; Heating; Stage #2: orthocarbonic acid tetraethyl ester In diethyl ether at 20℃; Inert atmosphere; Reflux; | 70% |
orthocarbonic acid tetraethyl ester
2-Amino-3-nitrobenzoic acid,ethyl ester
ethyl 2-ethoxy-3H-benzimidazole-4-carboxylate
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 93% |
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 93% |
Conditions | Yield |
---|---|
Stage #1: C30H32N6O5*C2H2O4 With potassium carbonate In ethyl acetate at 10 - 15℃; pH=6 - 7; Stage #2: orthocarbonic acid tetraethyl ester In acetic acid at 0 - 25℃; for 15h; | 92.3% |
orthocarbonic acid tetraethyl ester
methyl 3-amino-2-[[(2'-cyanobiphenyl-4-yl)methyl]amino]benzoate
methyl 1-[(2'-cyanobiphenyl-4-yl)methyl]-2-ethoxy-benzimidazole-7-carboxylate
Conditions | Yield |
---|---|
With acetic acid at 80 - 90℃; for 0.666667h; | 91% |
With acetic acid at 80℃; for 1h; | 86% |
With acetic acid at 78 - 82℃; for 1 - 2h; Heating / reflux; Industry scale; | 84.8% |
With acetic acid In toluene at 20℃; Reflux; |
orthocarbonic acid tetraethyl ester
2-nitro-aniline
2-ethoxy-1H-benzo[d]imidazole
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 91% |
Conditions | Yield |
---|---|
With acetic acid at 80℃; for 4h; | 91% |
prednisolon
orthocarbonic acid tetraethyl ester
prednisolone-17,21-diethylorthocarbonate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In 1,4-dioxane at 22℃; for 17h; | 90% |
2-cyano-3-methyl-benzenesulfonamide
orthocarbonic acid tetraethyl ester
2-cyano-N-diethoxymethylene-3-methyl-benzenesulfonamide
Conditions | Yield |
---|---|
at 160℃; | 90% |
orthocarbonic acid tetraethyl ester
4-Amino 3-nitro-benzonitrile
C10H9N3O
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 90% |
methyl 5-amino-2-furoate
orthocarbonic acid tetraethyl ester
N-(5-methoxycarbonyl-2-furyl)imidocarbonate
Conditions | Yield |
---|---|
With trifluoroacetic acid at 80℃; for 24h; | 88% |
orthocarbonic acid tetraethyl ester
methyl 3-amino-2-<<(11-cyano-5-oxo-5H-dibenzocyclohepten-3-yl)methyl>amino>benzoate
methyl 3-<(11-cyano-5-oxo-5H-dibenzocyclohepten-3-yl)methyl>-2-ethoxy-3H-benzimidazole-4-carboxylate
Conditions | Yield |
---|---|
With acetic acid at 100℃; for 2h; | 88% |
Conditions | Yield |
---|---|
With 10% Pd/C; hydrogen; acetic acid In methanol at 20℃; under 760.051 Torr; | 88% |
orthocarbonic acid tetraethyl ester
Conditions | Yield |
---|---|
With sodium acetate In acetic acid | 87% |
orthocarbonic acid tetraethyl ester
2,3-Diaminobenzoic acid,ethyl ester
ethyl 2-ethoxy-3H-benzimidazole-4-carboxylate
Conditions | Yield |
---|---|
With acetic acid at 0 - 20℃; for 3h; | 87% |
orthocarbonic acid tetraethyl ester
Methyl 3,4-diaminobenzoate
Conditions | Yield |
---|---|
With acetic acid at 0 - 20℃; for 4h; | 87% |
trimethylsilyl cyanide
orthocarbonic acid tetraethyl ester
triethoxyacetonitrile
Conditions | Yield |
---|---|
tin(IV) chloride for 15h; Ambient temperature; | 86% |
(R)-3-hydroxybutyric acid
orthocarbonic acid tetraethyl ester
A
β-valerolactone
Conditions | Yield |
---|---|
In benzene | A n/a B 86% |
4-(2-amino-4-methyl-phenylamino)-piperidine-1-carboxylic acid tert-butyl ester
orthocarbonic acid tetraethyl ester
4-(2-ethoxy-5-methylbenzoimidazol-1-yl)-piperidine-1-carboxylic acid tert-butyl ester
Conditions | Yield |
---|---|
With acetic acid at 20℃; for 4h; | 86% |
orthocarbonic acid tetraethyl ester
methyl {(3S)-6-[{(3R)-7-[(2-aminophenyl)amino]-2,3-dihydro-1-benzofuran-3-yl}(trifluoroacetyl)amino]-2,3-dihydro-1-benzofuran-3-yl}acetate
methyl [(3S)-6-{[(3R)-7-(2-ethoxy-1H-benzimidazol-1-yl)-2,3-dihydro-1-benzofuran-3-yl](trifluoroacetyl)amino}-2,3-dihydro-1-benzofuran-3-yl]acetate
Conditions | Yield |
---|---|
Stage #1: orthocarbonic acid tetraethyl ester; methyl {(3S)-6-[{(3R)-7-[(2-aminophenyl)amino]-2,3-dihydro-1-benzofuran-3-yl}(trifluoroacetyl)amino]-2,3-dihydro-1-benzofuran-3-yl}acetate With acetic acid at 60℃; for 0.5h; Stage #2: With sodium hydrogencarbonate In water | 86% |
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