Product name: Ethyl 2-ethylacetoacetate Cas No: 607-97-6 Assay: 98%min Hangzhou Verychem Science And Technology Co. Ltd. was set up in year 2004, it’s a young but fast growing company. In the t
Cas:607-97-6
Min.Order:1 Kilogram
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inquirybulk production Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical manufacturing for overseas customers, in the field of API, pharmaceutical intermediates, chemical intermediates, fine
Cas:607-97-6
Min.Order:1 Gram
FOB Price: $1.0 / 3.0
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inquiryDayangchem's 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. DayangChem can provide different quantities
Cas:607-97-6
Min.Order:1 Kilogram
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inquiryColorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on
Cas:607-97-6
Min.Order:1 Metric Ton
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inquiryOur 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:607-97-6
Min.Order:5 Kiloliter
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Type:Manufacturers
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:607-97-6
Min.Order:1 Kilogram
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Type:Trading Company
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:607-97-6
Min.Order:1 Kilogram
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Type:Trading Company
inquiryName: Ethyl 2-ethylacetoacetate Synonyms: Ethyl 2-ethyl-3-oxobutanoate:Diethyl acetoacetate; Butanoic acid, 2-ethyl-3-oxo-, ethyl ester; ; ethyl (2S)-2-ethyl-3-oxobutanoate; ethyl (2R)-2-ethyl-3-oxobutanoate CAS: 607-97-6 MF: C8H14O3 Appearance:Co
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Cas:607-97-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryEthyl 2-ethylacetoacetate CAS:607-97-6 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 i
Cas:607-97-6
Min.Order:1 Gram
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Type:Lab/Research institutions
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
Cas:607-97-6
Min.Order:1 Kilogram
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Type:Lab/Research institutions
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
Best 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
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
Cas:607-97-6
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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
Cas:607-97-6
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inquiryThe 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
Cas:607-97-6
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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
Cas:607-97-6
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquirySuperior quality, moderate price & quick delivery. Appearance:colorless transparent liquid Storage:sealed in a cool,dry place Package:250kg / plastic drum Application:Used as a drug rebamipide piece de intermediates. Transportation:by air or by
Our company was built in 2009 with an ISO certificate.In the past 5 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 o
Ethyl 2-ethylacetoacetate Basic information Product Name: Ethyl 2-ethylacetoacetate Synonyms: 2-ethyl-3-oxo-butyricacidethylester;Acetoacetic acid, 2-ethyl-, ethyl ester;Ethyl 2-ethyl-3-ketobutyrate;Ethyl 2-ethyl-3-oxobutanoate;Ethyl alpha-ace
Cas:607-97-6
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHunan chemfish Pharmaceutical co.,Ltd.located in Lugu High-tech industral park ,Hunan province . with its own R&D center and more than 10000㎡manufacture plant . Chemfish owns 40 reactors from 1000L to 8000L. With complete auxiliary equipment as
Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h
ISO9001 Appearance: Colorless or light yellow liquid Boiling Point : 84-86 ℃/11 mm Hg Assay (GC) : 98.0% min. Appearance:Colorless or light yellow liquid Storage:Store in dry and cool place with good seal Package:200kg/Plastic drum Application
R & D enterprises have their own stock in stockAppearance:To be subject to the object Package:Customized Application:pharmaceutical intermediates Transportation:Air Port:Shanghai;Guangzhou
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:607-97-6
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
Cas:607-97-6
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryhigh quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea
Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Ansciep 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
Cas:607-97-6
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Type:Lab/Research institutions
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 present
Conditions | Yield |
---|---|
With sodium ethanolate In ethanol at -10 - 10℃; for 2h; Inert atmosphere; | 94.9% |
With potassium carbonate In ethanol; water at 70℃; for 10h; regioselective reaction; | 85.3% |
With sodium ethanolate | 78% |
Conditions | Yield |
---|---|
With sodium In tetrahydrofuran for 20h; Heating; | 87% |
Stage #1: ethyl acetoacetate With potassium tert-butylate In tetrahydrofuran at 0℃; for 0.5h; Stage #2: ethyl iodide In tetrahydrofuran at 70℃; for 12h; Further stages.; | 74% |
With 1,8-diazabicyclo[5.4.0]undec-7-ene In benzene for 3h; Ambient temperature; | 50% |
ethyl acetoacetate
ethyl iodide
A
ethyl 2,2-diethyl-3-oxobutanoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With P(MeNCH2CH2)3N In hexane; acetonitrile at 0℃; for 0.5h; | A n/a B 78% |
With sodium ethanolate 1.) EtOH, 80 deg C, 2.) EtOH, 80 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given; | |
With aluminum oxide; sodium ethanolate 2.) room temperature, 5 d; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With sodium ethanolate 1.) EtOH, 80 deg C, 2.) EtOH, 80 deg C, 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With dimethyl amine at 10 - 15℃; | 70% |
With sodium ethanolate |
diethyl sulfate
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl (E)-3-ethoxy-2-butenoate
C
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With polymer-HMPT In tetrahydrofuran at 20℃; for 24h; Yields of byproduct given; | A n/a B 54% C n/a |
With copolymere de vinyloxazolidone et de divinylbenzene In tetrahydrofuran at 20℃; for 24h; Yield given. Yields of byproduct given; | |
With 3-methyl-2-oxo-1,3-oxazolidine In tetrahydrofuran at 20℃; for 24h; Yield given. Yields of byproduct given; | |
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran at 20℃; for 24h; Product distribution; further reagents, variation of equivalents of the reagents; |
ethyl bromide
ethyl acetoacetate
A
ethyl 3-ethoxy-2-butenoate
B
ethyl 2,2-diethyl-3-oxobutanoate
C
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With aluminum oxide; sodium ethanolate 2.) room temperature, 5 d; Yields of byproduct given. Title compound not separated from byproducts; | A n/a B n/a C 53% |
ethyl acetoacetate
diphenylethylsulfonium perchlorate
A
ethyl 3-ethoxy-2-butenoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With potassium carbonate In dichloromethane for 17h; Ambient temperature; | A 10% B 50% |
ethyl-α-ethylacetoacetate cyanohydrin
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With hydrogen; nickel In methanol; ammonium hydroxide at 20℃; under 2068.59 - 2327.17 Torr; | A 50% B n/a |
ethyl bromide
18-crown-6 ether
acetoacetic acid ethyl ester; potassium (Z)-enolate
[2.2.2]cryptande
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl (E)-3-ethoxy-2-butenoate
C
ethyl 2,2-diethyl-3-oxobutanoate
D
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
In 1,2-dimethoxyethane at 40℃; Mechanism; Product distribution; | A 2% B 8% C n/a D n/a |
Conditions | Yield |
---|---|
bei der Ozonspaltung; |
4-ethyl-3-methyl-pentenedioic acid diethyl ester
A
oxalic acid
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
bei der Ozonspaltung; |
2-acetyl-3-methyl-succinic acid-1-ethyl ester
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Erhitzen; |
ethanol
ethyl acetoacetate
ethyl iodide
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Reaktion ueber mehrere Stufen; |
ethyl bromide
sodium ethanolate
ethyl acetoacetate
diethyl malonate
A
ethyl diethyl malonate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
at 100℃; beim folgenden Kochen mit Wasser; | |
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser; |
ethanol
sodium ethyl acetylacetate enolate
ethyl iodide
ethyl 2-ethyl-3-oxobutanoate
3-diethylamino-crotonic acid ethyl ester
ethyl iodide
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser; |
sodium ethyl acetylacetate enolate
ethyl iodide
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
at 160 - 170℃; | |
With diethyl ether | |
With benzene | |
at 100℃; |
sodium ethanolate
ethyl iodide
acetoacetic acid methyl ester
ethyl 2-ethyl-3-oxobutanoate
ethyl iodide
3-dimethylamino-crotonic acid ethyl ester
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
anschliessenden Hydrolyse mit Wasser; | |
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser; |
ethyl acetate
2-bromobutyric acid ethyl ester
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With magnesium |
Conditions | Yield |
---|---|
With diethyl ether; iodine; zinc |
ethyl bromide
ethyl acetoacetate
A
ethyl 3-ethoxy-2-butenoate
B
ethyl 2,2-diethyl-3-oxobutanoate
C
2-Ethyl-3-ethoxy-3-methyl-acrylsaeureethylester
D
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
(i) K, EtOH, (ii) /BRN= 1209224/, HMPA; Multistep reaction; |
ethyl bromide
acetoacetic acid ethyl ester; potassium (Z)-enolate
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl (E)-3-ethoxy-2-butenoate
C
ethyl 2,2-diethyl-3-oxobutanoate
D
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With 18-crown-6 ether 1) DME, 40 deg C, 2) DME, 40 deg C; Yield given. Multistep reaction. Yields of byproduct given; |
ethyl bromide
acetoacetic acid ethyl ester; potassium (Z)-enolate
A
ethyl (E)-3-ethoxy-2-butenoate
B
ethyl 2,2-diethyl-3-oxobutanoate
C
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With [2.2.2]cryptande 1) t-BuOH, 40 deg C, 2) t-BuOH, 40 deg C; Yield given. Multistep reaction. Yields of byproduct given; |
diethyl sulfate
C12H34N6O2P2*2C6H9O3(1-)*2Li(1+)
A
ethyl 3-ethoxy-2-butenoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
In dichloromethane for 72h; Product distribution; Ambient temperature; other metal ion, other time, var. addends; | A 46 % Chromat. B 54 % Chromat. |
diethyl sulfate
acetoacetic acid ethyl ester; potassium (Z)-enolate
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
In tetrahydrofuran for 66h; Yield given. Yields of byproduct given; | |
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran for 24h; Yield given. Yields of byproduct given; |
diethyl sulfate
enolate lithique de l'acetylacetate d'ethyle
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran for 74h; Yield given. Yields of byproduct given; | |
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran for 24h; Yield given. Yields of byproduct given; |
diethyl sulfate
enolate sodique de l'acetylacetate d'ethyle
A
ethyl (Z)-3-ethoxybut-2-enoate
B
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran for 120h; Yield given. Yields of byproduct given; | |
With N,N,N,N,N,N-hexamethylphosphoric triamide In tetrahydrofuran for 24h; Yield given. Yields of byproduct given; | |
With Hexamethylphosphorous triamide In tetrahydrofuran for 120h; Product distribution; Ambient temperature; different Li, Na, K enolates, ratios of reagent, reaction times; with solid and liquid and without HMPT; |
ethyl 2-ethyl-3-oxobutanoate
2-ethyl-2-chloro-acetoacetic acid ethyl ester
Conditions | Yield |
---|---|
With tetraethylammonium trichloride In dichloromethane | 100% |
With N-chloro-succinimide; magnesium(II) perchlorate In acetonitrile at 20℃; for 2h; | 86% |
With chlorine |
ethyl 2-ethyl-3-oxobutanoate
ethyl (2R,3S)-2-ethyl-3-hydroxybutanoate
Conditions | Yield |
---|---|
With D-glucose; ketoreductase-102; NADPH; glucose dehydrogenase; sodium phosphate buffer at 37℃; for 3h; pH=6.9; | 100% |
With D-glucose; calcium carbonate; sodium chloride In water at 35℃; for 72h; Enzymatic reaction; optical yield given as %ee; enantioselective reaction; | 78% |
With Escherichia coli strain expressing Gcy1p; isopropyl β-D-thiogalactopyranoside at 20℃; Reduction; | 75% |
With D-glucose; tris hydrochloride at 30℃; for 48h; β-keto ester reductase L-1, NADPH, GDH; | 31% |
With glucose-6-phosphate dehydrogenase; α-D-glucose 6-phosphate; baker yeast YDL124w gene-pIK8 plasmid; NAD at 30℃; for 24h; pH=7.0; |
[N-(p-tolylsulfonyl)imino]phenyliodinane
ethyl 2-ethyl-3-oxobutanoate
ethyl 2-acetyl-3-methyl-1-tosylaziridine-2-carboxylate
Conditions | Yield |
---|---|
With 1,10-Phenanthroline; copper(II) bis(trifluoromethanesulfonate) In dichloromethane at 20℃; for 18h; Molecular sieve; Inert atmosphere; optical yield given as %de; | 99% |
ethyl 2-ethyl-3-oxobutanoate
4-ethyl-3-methylisoxazol-5(4H)-one
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride; sodium acetate In ethanol at 78℃; | 99% |
ethyl 2-ethyl-3-oxobutanoate
ethyl 2-bromo-2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With N-Bromosuccinimide; ammonium acetate In tetrachloromethane at 80℃; for 0.5h; | 97% |
With sodium hydrogen sulfate; N-Bromosuccinimide; silica gel at 20℃; for 2h; | 95% |
With ammonium bromide; dihydrogen peroxide; vanadia In dichloromethane; water at 0 - 5℃; for 3h; | 94% |
ethyl 2-ethyl-3-oxobutanoate
2-ethyl-1,3-butanediol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 3h; Heating; | 96% |
With methanol; copper chromite at 150 - 168℃; Hydrogenation.unter Druck; | |
With copper chromite; ethanol at 150 - 168℃; Hydrogenation.unter Druck; |
Conditions | Yield |
---|---|
Stage #1: N-hydroxyphthalimide; ethyl 2-ethyl-3-oxobutanoate With cobalt(II) diacetate tetrahydrate In acetic acid at 60℃; for 0.0166667h; Stage #2: With potassium permanganate In acetic acid at 60℃; for 0.175h; | 94% |
2-methylbenzene-1,3-diol
ethyl 2-ethyl-3-oxobutanoate
3-ethyl-7-hydroxy-4,8-dimethyl-2H-1-benzopyran-2-one
Conditions | Yield |
---|---|
With perchloric acid at 20℃; Pechmann condensation; | 92% |
With sulfuric acid at 0℃; for 12h; Pechmann Condensation; | |
With sulfuric acid at 0℃; Pechmann Condensation; |
ethylene glycol
ethyl 2-ethyl-3-oxobutanoate
2-ethoxycarbonylmethyl-2-methyl-1,3-dioxolane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In toluene at 120℃; for 4h; Product distribution / selectivity; | 91% |
With toluene-4-sulfonic acid In toluene at 120℃; for 4h; Heating / reflux; | 91% |
With toluene-4-sulfonic acid In toluene for 3.5h; Cyclization; Heating; | 70% |
phenylhydrazine
ethyl 2-ethyl-3-oxobutanoate
4-ethyl-3-methyl-1-phenylpyrazol-5-one
Conditions | Yield |
---|---|
for 0.05h; microwave irradiation; | 91% |
In ethanol Reflux; |
Conditions | Yield |
---|---|
With copper(II) acetate hydrate; 2-ethyl-1,3-oxazoline; copper(l) chloride In isopropyl alcohol at 20℃; regioselective reaction; | 90% |
ethyl 2-ethyl-3-oxobutanoate
3-methyl-4-ethyl-5-pyrazolone
Conditions | Yield |
---|---|
With hydrazine for 0.00833333h; | 89% |
With hydrazine hydrate; acetic acid In methanol at 100℃; for 1h; | 67% |
Conditions | Yield |
---|---|
ammonium cerium(IV) nitrate In ethanol at 20℃; for 1.5h; | 89% |
Conditions | Yield |
---|---|
With perchloric acid at 20℃; Pechmann condensation; | 89% |
2,2-dibromo-5,5-dimethylcyclohexane-1,3-dione
ethyl 2-ethyl-3-oxobutanoate
B
2-bromodimedone
Conditions | Yield |
---|---|
Stage #1: ethyl 2-ethyl-3-oxobutanoate With L-Norvaline In dichloromethane for 0.0833333h; Stage #2: 2,2-dibromo-5,5-dimethylcyclohexane-1,3-dione With dipyridinium dichromate In dichloromethane for 2h; Cooling with ice; optical yield given as %ee; enantioselective reaction; | A 88% B n/a |
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Stage #1: ethyl 2-ethyl-3-oxobutanoate With sodium hydride In tetrahydrofuran at 0℃; for 0.25h; Claisen Condensation; Stage #2: With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.266667h; Claisen Condensation; Stage #3: ethyl (2S,3R)-3-(methoxymethyloxy)-2-methylbutanoate In tetrahydrofuran; hexane at 0℃; for 0.25h; Claisen Condensation; | 88% |
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Stage #1: ethyl 2-ethyl-3-oxobutanoate With sodium hydride In tetrahydrofuran at 0℃; for 0.25h; Stage #2: With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.266667h; Stage #3: ethyl (2R, 3S)-3-(methoxymethyloxy)-2-methylbutanoate In tetrahydrofuran; hexane at 0℃; for 0.25h; | 88% |
2-(4'-aminophenyl)-4-quinolinecarboxylic acid
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Stage #1: 2-(4'-aminophenyl)-4-quinolinecarboxylic acid Stage #2: ethyl 2-ethyl-3-oxobutanoate With sodium hydroxide; sodium acetate In ethanol; water pH=4 - 4.5; Japp-Klingemann reaction; | 87% |
Conditions | Yield |
---|---|
ammonium cerium(IV) nitrate In ethanol at 20℃; for 3h; | 87% |
Conditions | Yield |
---|---|
Stage #1: 3-bromo-4-chloroaniline With hydrogenchloride; acetic acid; sodium nitrite In water at 0℃; for 1.16667h; Stage #2: ethyl 2-ethyl-3-oxobutanoate With potassium hydroxide In ethanol; water at 0 - 80℃; for 5h; pH=7; | 87% |
Stage #1: 3-bromo-4-chloroaniline With hydrogenchloride; acetic acid; sodium nitrite In water at 0℃; for 0.666667h; Stage #2: ethyl 2-ethyl-3-oxobutanoate With potassium hydroxide In ethanol; water at 0 - 80℃; for 5h; pH=7; | 87% |
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol for 24h; Ambient temperature; | 86% |
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
With N-iodo-succinimide; magnesium(II) perchlorate In acetonitrile at 20℃; for 0.25h; | 86% |
With bis(acetylacetonate)oxovanadium; dihydrogen peroxide; sodium iodide In water; ethyl acetate at 0 - 5℃; for 13h; regioselective reaction; | 79% |
6-amino-4,7-dimethylcoumarin
ethyl 2-ethyl-3-oxobutanoate
Conditions | Yield |
---|---|
Stage #1: 6-amino-4,7-dimethylcoumarin With hydrogenchloride; acetic acid; sodium nitrite at 5℃; for 2h; Stage #2: ethyl 2-ethyl-3-oxobutanoate With sodium acetate; acetic acid at 20℃; for 10h; pH=5.5; | 86% |
N-(2-fluoro-3-nitrophenyl)-4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzamide
ethyl 2-ethyl-3-oxobutanoate
ethyl (2E)-2-{[2-fluoro-3-({4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzoyl}amino)phenyl]hydrazono}butanoate
Conditions | Yield |
---|---|
Stage #1: N-(2-fluoro-3-nitrophenyl)-4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzamide With hydrogen; palladium-on-charcoal In tetrahydrofuran; water at 20℃; for 15h; Stage #2: With hydrogenchloride; sodium nitrite In water; acetonitrile at -25 - 5℃; for 0.5h; Stage #3: ethyl 2-ethyl-3-oxobutanoate With potassium hydroxide In water at -20℃; | 86% |
methyl vinyl ketone
ethyl 2-ethyl-3-oxobutanoate
ethyl 2-ethyl-3-oxo-2-(3-oxo-1-butyl)-butanoate
Conditions | Yield |
---|---|
lithium hydroxide In 1,2-dimethoxyethane for 0.5h; Ambient temperature; | 85% |
lithium iodide In 1,4-dioxane for 12h; Heating; | 82% |
K bis(1,2-benzenediolato)phenylsilicate In chloroform at 40℃; for 6h; organosilicate-catalyzed Michael addition; | 74% |
With molecular sieve; Eu(tfc)3 In tetrachloromethane at -33℃; for 72h; | 71% |
With sodium perchlorate In methanol at 24.84℃; Michael Addition; Electrochemical reaction; |
ethyl 2-ethyl-3-oxobutanoate
ethyl 2-ethyl-2-chloro-3,3-difluorobutyrate
Conditions | Yield |
---|---|
With sulfur tetrafluoride; hydrogen fluoride; chlorine at 25℃; for 10h; autoclave; | 85% |
Conditions | Yield |
---|---|
Stage #1: ethyl 2-ethyl-3-oxobutanoate With lithium hexamethyldisilazane In tetrahydrofuran at -78℃; for 0.5h; Stage #2: formaldehyd In tetrahydrofuran at -78 - 20℃; Further stages.; | 85% |
N,N-bis(ethoxymethyl)benzylamine
ethyl 2-ethyl-3-oxobutanoate
ethyl 1-benzyl-3-ethyl-4-oxo-3-piperidinecarboxylate
Conditions | Yield |
---|---|
With Methyltrichlorosilane In acetonitrile at 20℃; for 20h; Mannich reaction; | 85% |
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