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hangzhou verychem science and technology co.ltd

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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Chemsigma International Co.,Ltd.

bulk 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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Gram

FOB Price: $1.0 / 3.0

Type:Lab/Research institutions

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem'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

Ethyl 2-ethylacetoacetate Manufacturer/High quality/Best price/In stock

Cas:607-97-6

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

COLORCOM LTD.

Colorcom 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

Ethyl 2-Ethyl-3-Oxobutanoate

Cas:607-97-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Chemwill Asia Co., Ltd.

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

2-Ethyl-3-oxobutanoic acid ethyl ester

Cas:607-97-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hebei Nengqian Chemical Import and Export Co., LTD

With 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

(Ethyl 2-ethylacetoacetate)

Cas:607-97-6

Min.Order:1 Kilogram

FOB Price: $100.0 / 150.0

Type:Trading Company

inquiry

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

Manufacturer supply CAS 607-97-6 with best quality

Cas:607-97-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name: 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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

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

Butanoic acid,2-ethyl-3-oxo-, ethyl ester 607-97-6

Cas:607-97-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

Ethyl 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

Ethyl 2-ethylacetoacetate CAS:607-97-6

Cas:607-97-6

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

Butanoic acid,2-ethyl-3-oxo-, ethyl ester

Cas:607-97-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

CAS NO.:607-97-6

Cas:607-97-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Hisunny Chemical Co.,Ltd

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

Ethyl 2-Ethyl Acetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Manufacturers

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 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0 Metric Ton

Negotiable

Type:Other

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 2-Ethyl Acetoacetate

Cas:607-97-6

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior 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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Tianfu Chemical Co., Ltd.

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

607-97-6

Cas:607-97-6

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Shanghai Minstar Chemical Co., Ltd

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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan 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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

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

Butanoic acid,2-ethyl-3-oxo-, ethyl ester

Cas:607-97-6

Min.Order:0

Negotiable

Type:Other

inquiry

Wuhan Kemi-Works Chemical Co., Ltd

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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Hangzhou Dingyan Chem Co., Ltd

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

Ethyl 2-ethyl-3-oxobutanoate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Lonwin Chemical Group Limited

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

High Purity Ethyl 2-Ethyl Acetoacetate 607-97-6

Cas:607-97-6

Min.Order:100 Kilogram

FOB Price: $100.0 / 150.0

Type:Other

inquiry

GIHI CHEMICALS CO.,LIMITED

high purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high 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

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Aecochem Corp.

Our clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS

Ethyl 2-Ethyl Acetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Antimex Chemical Limied

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

Butanoic acid,2-ethyl-3-oxo-, ethyl ester

Cas:607-97-6

Min.Order:0

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 present

Ethyl 2-ethylacetoacetate

Cas:607-97-6

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

ethyl bromide
74-96-4

ethyl bromide

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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 ethanolate78%
ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
141-97-9

ethyl acetoacetate

ethyl iodide
75-03-6

ethyl iodide

A

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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;
diethyl sulfate
64-67-5

diethyl sulfate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
With dimethyl amine at 10 - 15℃;70%
With sodium ethanolate
diethyl sulfate
64-67-5

diethyl sulfate

enolate potassique de l'acetylacetate d'ethyle

enolate potassique de l'acetylacetate d'ethyle

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl (E)-3-ethoxy-2-butenoate
57592-45-7

ethyl (E)-3-ethoxy-2-butenoate

C

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
74-96-4

ethyl bromide

ethyl acetoacetate
141-97-9

ethyl acetoacetate

A

ethyl 3-ethoxy-2-butenoate
998-91-4

ethyl 3-ethoxy-2-butenoate

B

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

C

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
141-97-9

ethyl acetoacetate

diphenylethylsulfonium perchlorate
10504-65-1

diphenylethylsulfonium perchlorate

A

ethyl 3-ethoxy-2-butenoate
998-91-4

ethyl 3-ethoxy-2-butenoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
With potassium carbonate In dichloromethane for 17h; Ambient temperature;A 10%
B 50%
ethyl-α-ethylacetoacetate cyanohydrin
247098-17-5

ethyl-α-ethylacetoacetate cyanohydrin

A

3-amino-3-cyano-2-ethyl-3-methyl-propionic acid ethyl ester

3-amino-3-cyano-2-ethyl-3-methyl-propionic acid ethyl ester

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
With hydrogen; nickel In methanol; ammonium hydroxide at 20℃; under 2068.59 - 2327.17 Torr;A 50%
B n/a
ethyl bromide
74-96-4

ethyl bromide

18-crown-6 ether
17455-13-9

18-crown-6 ether

acetoacetic acid ethyl ester; potassium (Z)-enolate
66279-50-3

acetoacetic acid ethyl ester; potassium (Z)-enolate

[2.2.2]cryptande
23978-09-8

[2.2.2]cryptande

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl (E)-3-ethoxy-2-butenoate
57592-45-7

ethyl (E)-3-ethoxy-2-butenoate

C

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

D

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
In 1,2-dimethoxyethane at 40℃; Mechanism; Product distribution;A 2%
B 8%
C n/a
D n/a
2-ethyl-3-methyl-pentenedioic acid diethyl ester

2-ethyl-3-methyl-pentenedioic acid diethyl ester

A

oxalic acid
144-62-7

oxalic acid

B

ethyl acetoacetate
141-97-9

ethyl acetoacetate

C

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
bei der Ozonspaltung;
4-ethyl-3-methyl-pentenedioic acid diethyl ester
857819-83-1

4-ethyl-3-methyl-pentenedioic acid diethyl ester

A

oxalic acid
144-62-7

oxalic acid

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
bei der Ozonspaltung;
2-acetyl-3-methyl-succinic acid-1-ethyl ester
90833-10-6

2-acetyl-3-methyl-succinic acid-1-ethyl ester

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
Erhitzen;
ethanol
64-17-5

ethanol

ethyl acetoacetate
141-97-9

ethyl acetoacetate

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
Reaktion ueber mehrere Stufen;
ethyl bromide
74-96-4

ethyl bromide

sodium ethanolate
141-52-6

sodium ethanolate

ethyl acetoacetate
141-97-9

ethyl acetoacetate

diethyl malonate
105-53-3

diethyl malonate

A

ethyl diethyl malonate
133-13-1

ethyl diethyl malonate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 3-methylaminocrotonate
870-85-9

ethyl 3-methylaminocrotonate

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
at 100℃; beim folgenden Kochen mit Wasser;
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser;
ethanol
64-17-5

ethanol

sodium ethyl acetylacetate enolate
1007476-32-5

sodium ethyl acetylacetate enolate

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

3-diethylamino-crotonic acid ethyl ester
59222-31-0

3-diethylamino-crotonic acid ethyl ester

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

3-dipropylamino-crotonic acid ethyl ester

3-dipropylamino-crotonic acid ethyl ester

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser;
sodium ethyl acetylacetate enolate
1007476-32-5

sodium ethyl acetylacetate enolate

ethyl iodide
75-03-6

ethyl iodide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
at 160 - 170℃;
With diethyl ether
With benzene
at 100℃;
sodium ethanolate
141-52-6

sodium ethanolate

ethyl iodide
75-03-6

ethyl iodide

acetoacetic acid methyl ester
105-45-3

acetoacetic acid methyl ester

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl iodide
75-03-6

ethyl iodide

3-dimethylamino-crotonic acid ethyl ester
14205-42-6

3-dimethylamino-crotonic acid ethyl ester

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
anschliessenden Hydrolyse mit Wasser;
anschliessende Hydrolyse des Reaktionsprodukts mit siedendem Wasser;
ethyl acetate
141-78-6

ethyl acetate

2-bromobutyric acid ethyl ester
533-68-6

2-bromobutyric acid ethyl ester

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
With magnesium
Ketene
463-51-4

Ketene

2-bromobutyric acid ethyl ester
533-68-6

2-bromobutyric acid ethyl ester

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
With diethyl ether; iodine; zinc
ethyl bromide
74-96-4

ethyl bromide

ethyl acetoacetate
141-97-9

ethyl acetoacetate

A

ethyl 3-ethoxy-2-butenoate
998-91-4

ethyl 3-ethoxy-2-butenoate

B

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

C

2-Ethyl-3-ethoxy-3-methyl-acrylsaeureethylester
103110-71-0

2-Ethyl-3-ethoxy-3-methyl-acrylsaeureethylester

D

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
(i) K, EtOH, (ii) /BRN= 1209224/, HMPA; Multistep reaction;
ethyl bromide
74-96-4

ethyl bromide

acetoacetic acid ethyl ester; potassium (Z)-enolate
66279-50-3

acetoacetic acid ethyl ester; potassium (Z)-enolate

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl (E)-3-ethoxy-2-butenoate
57592-45-7

ethyl (E)-3-ethoxy-2-butenoate

C

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

D

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
74-96-4

ethyl bromide

acetoacetic acid ethyl ester; potassium (Z)-enolate
66279-50-3

acetoacetic acid ethyl ester; potassium (Z)-enolate

A

ethyl (E)-3-ethoxy-2-butenoate
57592-45-7

ethyl (E)-3-ethoxy-2-butenoate

B

ethyl 2,2-diethyl-3-oxobutanoate
1619-57-4

ethyl 2,2-diethyl-3-oxobutanoate

C

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
64-67-5

diethyl sulfate

C12H34N6O2P2*2C6H9O3(1-)*2Li(1+)
84850-88-4

C12H34N6O2P2*2C6H9O3(1-)*2Li(1+)

A

ethyl 3-ethoxy-2-butenoate
998-91-4

ethyl 3-ethoxy-2-butenoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
In dichloromethane for 72h; Product distribution; Ambient temperature; other metal ion, other time, var. addends;A 46 % Chromat.
B 54 % Chromat.
diethyl sulfate
64-67-5

diethyl sulfate

acetoacetic acid ethyl ester; potassium (Z)-enolate
66279-50-3

acetoacetic acid ethyl ester; potassium (Z)-enolate

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
64-67-5

diethyl sulfate

enolate lithique de l'acetylacetate d'ethyle
33283-91-9

enolate lithique de l'acetylacetate d'ethyle

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
64-67-5

diethyl sulfate

enolate sodique de l'acetylacetate d'ethyle
20412-62-8, 66279-49-0

enolate sodique de l'acetylacetate d'ethyle

A

ethyl (Z)-3-ethoxybut-2-enoate
5331-73-7

ethyl (Z)-3-ethoxybut-2-enoate

B

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
607-97-6

ethyl 2-ethyl-3-oxobutanoate

2-ethyl-2-chloro-acetoacetic acid ethyl ester
130000-37-2

2-ethyl-2-chloro-acetoacetic acid ethyl ester

Conditions
ConditionsYield
With tetraethylammonium trichloride In dichloromethane100%
With N-chloro-succinimide; magnesium(II) perchlorate In acetonitrile at 20℃; for 2h;86%
With chlorine
Conditions
ConditionsYield
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
55962-05-5

[N-(p-tolylsulfonyl)imino]phenyliodinane

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-acetyl-3-methyl-1-tosylaziridine-2-carboxylate
1373511-29-5

ethyl 2-acetyl-3-methyl-1-tosylaziridine-2-carboxylate

Conditions
ConditionsYield
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
607-97-6

ethyl 2-ethyl-3-oxobutanoate

4-ethyl-3-methylisoxazol-5(4H)-one
29068-31-3

4-ethyl-3-methylisoxazol-5(4H)-one

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In ethanol at 78℃;99%
ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-bromo-2-ethyl-3-oxobutanoate
32116-06-6

ethyl 2-bromo-2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
607-97-6

ethyl 2-ethyl-3-oxobutanoate

2-ethyl-1,3-butanediol
66553-17-1

2-ethyl-1,3-butanediol

Conditions
ConditionsYield
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;
N-hydroxyphthalimide
524-38-9

N-hydroxyphthalimide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-(N-phthalimidyloxy)-2-ethyl-3-oxobutanoate

ethyl 2-(N-phthalimidyloxy)-2-ethyl-3-oxobutanoate

Conditions
ConditionsYield
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
608-25-3

2-methylbenzene-1,3-diol

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

3-ethyl-7-hydroxy-4,8-dimethyl-2H-1-benzopyran-2-one
31575-15-2

3-ethyl-7-hydroxy-4,8-dimethyl-2H-1-benzopyran-2-one

Conditions
ConditionsYield
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
107-21-1

ethylene glycol

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

2-ethoxycarbonylmethyl-2-methyl-1,3-dioxolane
27773-10-0

2-ethoxycarbonylmethyl-2-methyl-1,3-dioxolane

Conditions
ConditionsYield
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
100-63-0

phenylhydrazine

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

4-ethyl-3-methyl-1-phenylpyrazol-5-one
22717-41-5

4-ethyl-3-methyl-1-phenylpyrazol-5-one

Conditions
ConditionsYield
for 0.05h; microwave irradiation;91%
In ethanol Reflux;
tert-Butyl N-hydroxycarbamate
36016-38-3

tert-Butyl N-hydroxycarbamate

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

C13H23NO6

C13H23NO6

Conditions
ConditionsYield
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
607-97-6

ethyl 2-ethyl-3-oxobutanoate

3-methyl-4-ethyl-5-pyrazolone
29211-62-9

3-methyl-4-ethyl-5-pyrazolone

Conditions
ConditionsYield
With hydrazine for 0.00833333h;89%
With hydrazine hydrate; acetic acid In methanol at 100℃; for 1h;67%
4-methoxy-aniline
104-94-9

4-methoxy-aniline

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

C15H21NO3

C15H21NO3

Conditions
ConditionsYield
ammonium cerium(IV) nitrate In ethanol at 20℃; for 1.5h;89%
orcinol
504-15-4

orcinol

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

3-ethyl-7-hydroxy-4,5-dimethyl-2H-1-benzopyran-2-one

3-ethyl-7-hydroxy-4,5-dimethyl-2H-1-benzopyran-2-one

Conditions
ConditionsYield
With perchloric acid at 20℃; Pechmann condensation;89%
2,2-dibromo-5,5-dimethylcyclohexane-1,3-dione
21428-65-9

2,2-dibromo-5,5-dimethylcyclohexane-1,3-dione

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

α-bromo-2-ethyl-3-oxobutyryc acid ethyl ester

α-bromo-2-ethyl-3-oxobutyryc acid ethyl ester

B

2-bromodimedone
1195-91-1

2-bromodimedone

Conditions
ConditionsYield
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 (2S,3R)-3-(methoxymethyloxy)-2-methylbutanoate

ethyl (2S,3R)-3-(methoxymethyloxy)-2-methylbutanoate

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl (6S,7R)-2-ethyl-3,5-dihydroxy-7-(methoxymethyloxy)-6-methylocta-2,4-dienoate

ethyl (6S,7R)-2-ethyl-3,5-dihydroxy-7-(methoxymethyloxy)-6-methylocta-2,4-dienoate

Conditions
ConditionsYield
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 (2R, 3S)-3-(methoxymethyloxy)-2-methylbutanoate

ethyl (2R, 3S)-3-(methoxymethyloxy)-2-methylbutanoate

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

C15H26O6

C15H26O6

Conditions
ConditionsYield
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
94205-62-6

2-(4'-aminophenyl)-4-quinolinecarboxylic acid

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

2-{4-[N'-(1-ethyl-2-oxo-propylidene)-hydrazino]-phenyl}-quinoline-4-carboxylic acid

2-{4-[N'-(1-ethyl-2-oxo-propylidene)-hydrazino]-phenyl}-quinoline-4-carboxylic acid

Conditions
ConditionsYield
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%
aniline
62-53-3

aniline

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

C14H19NO2

C14H19NO2

Conditions
ConditionsYield
ammonium cerium(IV) nitrate In ethanol at 20℃; for 3h;87%
3-bromo-4-chloroaniline
823-54-1

3-bromo-4-chloroaniline

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl (E)-2-(2-(3-bromo-4-chlorophenyl)hydrazineylidene)butanoate

ethyl (E)-2-(2-(3-bromo-4-chlorophenyl)hydrazineylidene)butanoate

Conditions
ConditionsYield
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%
ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

trimethyl orthoformate
149-73-5

trimethyl orthoformate

ethyl 2-ethyl-3,3-dimethoxybutyrate

ethyl 2-ethyl-3,3-dimethoxybutyrate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In methanol for 24h; Ambient temperature;86%
ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-ethyl-2-iodo-3-oxobutanoate

ethyl 2-ethyl-2-iodo-3-oxobutanoate

Conditions
ConditionsYield
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
29001-25-0

6-amino-4,7-dimethylcoumarin

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-[2-(4,7-dimethyl-2-oxo-2H-chromen-6-yl)azo]-3-oxo-2-ethyl-butanoate

ethyl 2-[2-(4,7-dimethyl-2-oxo-2H-chromen-6-yl)azo]-3-oxo-2-ethyl-butanoate

Conditions
ConditionsYield
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
1314129-13-9

N-(2-fluoro-3-nitrophenyl)-4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzamide

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl (2E)-2-{[2-fluoro-3-({4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzoyl}amino)phenyl]hydrazono}butanoate
1314129-15-1

ethyl (2E)-2-{[2-fluoro-3-({4-[(2S)-tetrahydrofuran-2-ylmethoxy]benzoyl}amino)phenyl]hydrazono}butanoate

Conditions
ConditionsYield
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
78-94-4

methyl vinyl ketone

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-ethyl-3-oxo-2-(3-oxo-1-butyl)-butanoate
100315-75-1

ethyl 2-ethyl-3-oxo-2-(3-oxo-1-butyl)-butanoate

Conditions
ConditionsYield
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
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-ethyl-2-chloro-3,3-difluorobutyrate
114745-67-4

ethyl 2-ethyl-2-chloro-3,3-difluorobutyrate

Conditions
ConditionsYield
With sulfur tetrafluoride; hydrogen fluoride; chlorine at 25℃; for 10h; autoclave;85%
formaldehyd
50-00-0

formaldehyd

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 2-methylenebutyrate
3070-65-3

ethyl 2-methylenebutyrate

Conditions
ConditionsYield
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
55686-29-8

N,N-bis(ethoxymethyl)benzylamine

ethyl 2-ethyl-3-oxobutanoate
607-97-6

ethyl 2-ethyl-3-oxobutanoate

ethyl 1-benzyl-3-ethyl-4-oxo-3-piperidinecarboxylate
113385-99-2

ethyl 1-benzyl-3-ethyl-4-oxo-3-piperidinecarboxylate

Conditions
ConditionsYield
With Methyltrichlorosilane In acetonitrile at 20℃; for 20h; Mannich reaction;85%

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