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Dayang Chem (Hangzhou) Co.,Ltd.

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

2-Oxobutyric acid Manufacturer/High quality/Best price/In stock

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply 2-Oxobutyric acid CAS 600-18-0 with attractive price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/F

Manufacturer supply 2-Oxobutyric acid CAS 600-18-0 with attractive price

Cas:600-18-0

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Enke Pharma-tech Co.,Ltd. (Cangzhou, China )

Cangzhou 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 ap

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

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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-Ketobutyric acid

Cas:600-18-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $0.9 / 1.0

Type:Lab/Research institutions

inquiry

Henan Tianfu Chemical Co., Ltd.

TIANFUCHEM--600-18-0-High purity 2-Oxobutyric acid factory price Our company was built in 2009 with an ISO certificate.In the past 10 years, we have grown up as a famous fine chemicals supplier in China And we had established stable busine

TIANFUCHEM--600-18-0-High purity 2-Oxobutyric acid factory price

Cas:600-18-0

Min.Order:1 Metric Ton

FOB Price: $2000.0

Type:Lab/Research institutions

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 600-18-0 with best quality

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Wentao Chemical Product Co., Ltd.

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 etc. 3) oem/odm available; 4) rea

2-Oxobutyric acidCAS NO.:600-18-0

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $4.0 / 5.0

Type:Lab/Research institutions

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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

Butanoic acid, 2-oxo- 600-18-0

Cas:600-18-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

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

2-Oxobutyric acid 99%

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $54.0 / 65.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

2-Oxobutyric acid CAS:600-18-0 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 intermed

2-Oxobutyric acid CAS:600-18-0

Cas:600-18-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder 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:By Se

2-Ketobutyric acid

Cas:600-18-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

CAS:600-18-0 2-Oxobutyric acid

Cas:600-18-0

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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

2-Oxobutyric acid

Cas:600-18-0

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

2-Oxobutyric acid

Cas:600-18-0

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 2-Ketobutyric acid

Cas:600-18-0

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

2-Oxobutyric acidAppearance:powder Storage:store in cool, dry place Package:according to customers' requirements Application:600-18-0 Transportation:By air(EMS or EUB or FedEx or TNT ect...) or by sea(FOB or CIF or CNF ect...)or according to your dem

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:10g/bag,or as your request Application:Used as Pharmaceutical Intermediates Transporta

Butanoic acid, 2-oxo-

Cas:600-18-0

Min.Order:1 Gram

Negotiable

Type:Trading Company

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,

2-OXOBUTYRIC ACID 98+%

Cas:600-18-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2-Oxobutyricacid

Cas:600-18-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

2-Oxobutyric acid Chemical Properties Melting point 30-34 °C(lit.) Boiling point 84 °C20 mm Hg(lit.) density 1.2000 FEMA 3723 | 2-OXOBUTYRIC ACID refractive index 1.3972 (estimate) Fp 179 °F storage temp. &minu

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Gram

FOB Price: $66.0

Type:Lab/Research institutions

inquiry

TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

2-Oxobutyric acid

Cas:600-18-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

SAGECHEM LIMITED

SAGECHEM is a chemical R&D, manufacturing and distribution company in China since 2009, including pharmaceutical intermediates, agrochemical, dyestuff intermediates, organosilicone, API and etc. We also offer a full range of services in

SAGECHEM/ 2-Oxobutyric acid /Manufacturer in China

Cas:600-18-0

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Suzhou Health Chemicals Co., Ltd.

High quality,stable supply chain.Appearance:white/off-white or light yellow Storage:Store in cool and dry place, keep away from strong light and heat. Package:aluminum bottle,glass bottle,PTFE bottle,cardboard drum Application:This product can be use

2-Oxobutyric acid

Cas:600-18-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Bluecrystal chem-union

We are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp

2-Oxobutyric acid

Cas:600-18-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Win-Win chemical Co.Ltd

Stock products, own laboratory Package:Grams, Kilograms Application:For R&D Transportation:According to customer request Port:Shanghai

2-Ketobutyric acid cas no. 600-18-0 98%

Cas:600-18-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Vanz Pharm Co.,Ltd

ISO/factory/goodqualityAppearance:off white Storage:Dry,cool place Package:drum Application:active pharmaceutical ingredients Transportation:by air/sea/express Port:shenzhen/shanghai

2-BROMO-5-NITRO-6-PICOLINE

Cas:600-18-0

Min.Order:0

Negotiable

Type:Manufacturers

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

2-Ketobutyric acid

Cas:600-18-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Synthetic route

aminocyclopropane-1-carboxylic acid
22059-21-8

aminocyclopropane-1-carboxylic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With tris(hydroxymethyl) aminomethane buffer at 30℃; for 1h; ACC deaminase;100%
With 1-aminocyclopropane-1-carboxylic acid deaminase from Pseudomonas sp. pH=8; aq. TAPS buffer; Enzymatic reaction;
N-carboxy 2-amino-2-butenoic acid anhydride
80465-30-1

N-carboxy 2-amino-2-butenoic acid anhydride

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sodium hydroxide In tetrahydrofuran for 0.5h; Ambient temperature;95%
4-ethyl-4-hydroxy-3-phenylisoxazoline-5-one
80490-44-4

4-ethyl-4-hydroxy-3-phenylisoxazoline-5-one

A

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

B

benzonitrile
100-47-0

benzonitrile

Conditions
ConditionsYield
With 2,6-dichloro-benzonitrile In benzene for 1h; Heating;A 95%
B n/a
threo-(+/-)-2,3-Dihydroxybutyric acid sodium salt

threo-(+/-)-2,3-Dihydroxybutyric acid sodium salt

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
CoCl2 at 25℃; for 24h; Pseudomonas putida 5D3A, Tris-HCl buffer;47%
(+/-)-(Z)-9-methylchorismic acid
116130-11-1

(+/-)-(Z)-9-methylchorismic acid

A

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

B

α-keto-β-phenylbutyric acid
4658-69-9

α-keto-β-phenylbutyric acid

C

1-(2-Carboxy-1-methyl-2-oxo-ethyl)-4-hydroxy-cyclohexa-2,5-dienecarboxylic acid
116130-27-9

1-(2-Carboxy-1-methyl-2-oxo-ethyl)-4-hydroxy-cyclohexa-2,5-dienecarboxylic acid

D

4-hydroxy-benzoic acid
99-96-7

4-hydroxy-benzoic acid

Conditions
ConditionsYield
In water-d2 at 30℃; Product distribution; Rate constant; uncatalysed and nish chorismate mutase catalyst;A 23%
B 42%
C 34%
D 23%
2-Butynoic acid
590-93-2

2-Butynoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With water; ruthenium trichloride at 80 - 100℃; for 12 - 36h; pH=1.3 - 2.0; Product distribution / selectivity;35%
With water; di[triaqua{2,6-di(phenylthiomethyl)pyridine}ruthenium(III)] tri-sulphate at 80℃; for 12h; pH=2.0; Product distribution / selectivity;28%
With water; rhodium(III) chloride at 100℃; for 24h; pH=1.3; Product distribution / selectivity;8%
With water; di[triaqua{2,6-di(phenylthiomethyl)pyridine}rhodium(III)] tri-sulphate at 80℃; for 12h; pH=2.0; Product distribution / selectivity;4%
With water; iridium(III) chloride at 100℃; for 24h; pH=1.3; Product distribution / selectivity;2%
tetrachloromethane
56-23-5

tetrachloromethane

(E)-2-bromo-2-butenoic acid
36297-22-0

(E)-2-bromo-2-butenoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
at 95 - 97℃; Geschwindigkeit;
tetrachloromethane
56-23-5

tetrachloromethane

(Z)-2-bromobut-2-enoic acid
5405-34-5

(Z)-2-bromobut-2-enoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
at 95 - 97℃; Geschwindigkeit;
N,N-diethyl 2-ketobutyramide
69016-02-0

N,N-diethyl 2-ketobutyramide

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With hydrogenchloride Erhitzen;
ethyl crotonate
10544-63-5

ethyl crotonate

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With bromine anschliesendes Erwaermen mit Piperidin in Aethanol und Erhitzen des Reaktionsprodukts mit wss. Schwefelsaeure;
(E)-2-bromo-2-butenoic acid
36297-22-0

(E)-2-bromo-2-butenoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sodium hydroxide at 95℃;
(Z)-2-bromobut-2-enoic acid
5405-34-5

(Z)-2-bromobut-2-enoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sodium hydroxide at 95℃;
ethyl 2-hydroxybutyrate
52089-54-0

ethyl 2-hydroxybutyrate

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With potassium permanganate entsteht Aethylester;
L-threonine
72-19-5

L-threonine

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
unter der Einwirkung von Escherichia coli;
With cloned and overexpressed threonine deaminase from Escherichia coli In water for 0.166667h; pH=7; aq. phosphate buffer; Enzymatic reaction;6.5 mmol
With Entamoeba histolytica L-threonine dehydratase 1 at 37℃; for 0.333333h; pH=9; Kinetics; aq. buffer;
DL-threonine
80-68-2

DL-threonine

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
durch Escherichia coli, Pseudomonas aeruginosa (pyocyanea) und Proteus vulgaris aerob und anaerob desaminiert;
L-homoserine
672-15-1

L-homoserine

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
durch Einwirkung eines Enzym-Praeparats aus Rattenleber;
DL-Homoserine
1927-25-9

DL-Homoserine

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
durch Enzym-Praeparate aus Rattenleber unter anaeroben Bedingungen;
ethylfumaric acid
5469-25-0

ethylfumaric acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With permanganate(VII) ion
2-methanesulfonyloxy-trans-crotonic acid

2-methanesulfonyloxy-trans-crotonic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sodium hydroxide
2-methanesulfonyloxy-cis-crotonic acid

2-methanesulfonyloxy-cis-crotonic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sodium hydroxide
3-cyano-3-hydroxy-1-propene
5809-59-6

3-cyano-3-hydroxy-1-propene

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With hydrogenchloride Hydrolysis;
α-methoxycrotonic acid
88126-31-2

α-methoxycrotonic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With sulfuric acid
With hydrogenchloride
2-hydroxy-but-3-enoic acid amide
210468-74-9

2-hydroxy-but-3-enoic acid amide

furan-2,3,5(4H)-trione pyridine (1:1)

furan-2,3,5(4H)-trione pyridine (1:1)

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

vinyl glycolic acid
600-17-9

vinyl glycolic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With acids
With alkalies
diethyl oxalpropionate
759-65-9

diethyl oxalpropionate

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With hydrogenchloride
ethyl-azido-malonic acid diethyl ester
849114-27-8

ethyl-azido-malonic acid diethyl ester

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With potassium hydroxide
L-cystathionine
56-88-2

L-cystathionine

sodium cyanide
143-33-9

sodium cyanide

A

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

B

L-Cysteine
52-90-4

L-Cysteine

Conditions
ConditionsYield
bei anaeroben Bedingungen;
ethanol
64-17-5

ethanol

pyridoxal
66-72-8

pyridoxal

2-aminobutanoic acid
2835-81-6

2-aminobutanoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Hippuric Acid
495-69-2

Hippuric Acid

2-oxo-propionic acid
127-17-3

2-oxo-propionic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
With hydrogenchloride
With sulfuric acid
2-aminobutanoic acid
2835-81-6

2-aminobutanoic acid

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

Conditions
ConditionsYield
aerobe Oxidation durch tierische Gewebe; (+-)-2-amino-butyric acid;
With ω-transaminase
With NAD In aq. buffer at 37℃; pH=7.0; Enzymatic reaction;
diethyl sulphide
352-93-2

diethyl sulphide

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

A

diethyl sulphide
70-29-1

diethyl sulphide

B

carbon dioxide
124-38-9

carbon dioxide

C

propionic acid
802294-64-0

propionic acid

Conditions
ConditionsYield
With oxygen; methylene blue In pyridine; acetonitrile for 2h; Irradiation;A 100%
B n/a
C 52%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2-(3-methyl-2-butenyloxy)benzaldehyde
56074-73-8

2-(3-methyl-2-butenyloxy)benzaldehyde

3-Methyl-4-<2-(3-methyl-2-butenyloxy)phenyl>-2-oxo-3-butenoic acid
112881-84-2

3-Methyl-4-<2-(3-methyl-2-butenyloxy)phenyl>-2-oxo-3-butenoic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol Ambient temperature;100%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

carbon dioxide
124-38-9

carbon dioxide

Conditions
ConditionsYield
In acetonitrile for 20h; Product distribution; Irradiation; decarboxylation, other solvents;100%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

di-tert-butyl 1-(4-methoxy-2-nitrophenyl)hydrazine-1,2-dicarboxylate

di-tert-butyl 1-(4-methoxy-2-nitrophenyl)hydrazine-1,2-dicarboxylate

5-methoxy-3-methyl-7-nitro-1H-indole-2-carboxylic acid
1265145-34-3

5-methoxy-3-methyl-7-nitro-1H-indole-2-carboxylic acid

Conditions
ConditionsYield
With hydrogenchloride; acetic acid In water at 70℃; for 5h; Fischer indole synthesis;100%
With hydrogenchloride; acetic acid In water at 70℃; for 5h; Inert atmosphere;100%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

(2S)-2-hydroxybutanoic acid
3347-90-8

(2S)-2-hydroxybutanoic acid

Conditions
ConditionsYield
With potassium hydroxide; mercaptoethyl alcohol; sodium formate; 2-amino-2-hydroxymethyl-1,3-propanediol; NAD In water for 115.2h;99%
With NAD; hydrogen In hydrogenchloride for 0.25h; Ambient temperature;88%
With fructose 1,6-bisphosphate trisodium; nicotinamide adenine dinucleotide red. form; R171Y mutant In water at 25℃; Rate constant; other mutant enzyme;
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

ethanol
64-17-5

ethanol

Ethyl 2-oxobutanoate
15933-07-0

Ethyl 2-oxobutanoate

Conditions
ConditionsYield
sulfuric acid for 4h; Reflux;98%
With sulfuric acid Reflux;97%
With toluene-4-sulfonic acid In benzene82%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

(2-bromo-5-nitrophenyl)hydrazine
100367-78-0

(2-bromo-5-nitrophenyl)hydrazine

2-ketobutyric acid(2-bromo-5-nitrophenyl)hydrazone

2-ketobutyric acid(2-bromo-5-nitrophenyl)hydrazone

Conditions
ConditionsYield
With hydrogenchloride In water for 1h; Ambient temperature;98%
With hydrogenchloride; hydrazine In water; ethyl acetate
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

[Ru(bis(3,5-dimethylpyrazol-1-yl)acetate)Cl(PPh3)2]
425370-68-9

[Ru(bis(3,5-dimethylpyrazol-1-yl)acetate)Cl(PPh3)2]

thallium(I) acetate
563-68-8

thallium(I) acetate

bis(3,5-dimethylpyrazol-1-yl)acetato ruthenium(II) PPh3 (κ2 O(1),O(2)-2-oxobutyrato)
791601-97-3

bis(3,5-dimethylpyrazol-1-yl)acetato ruthenium(II) PPh3 (κ2 O(1),O(2)-2-oxobutyrato)

Conditions
ConditionsYield
In dichloromethane byproducts: TlCl, P(C6H5)3; (inert atm.), Ru complex, slight excess of TlOAc and excess of carboxylic acid stirred in CH2Cl2 at room temp. for 2 h; filtered (Celite), dried (vac.), pptd.(CH2Cl2/pentane), elem. anal.;97%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

3-fluoro-2-oxobutanoic acid
3413-70-5

3-fluoro-2-oxobutanoic acid

Conditions
ConditionsYield
With N-fluorobis<(trifluoromethyl)sulfonyl>imide In chloroform at 22℃; for 18h;95%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2,6-dimethyl-1,4-benzoquinone
527-61-7

2,6-dimethyl-1,4-benzoquinone

1-(3,6-Dihydroxy-2,4-dimethyl-phenyl)-propan-1-one

1-(3,6-Dihydroxy-2,4-dimethyl-phenyl)-propan-1-one

Conditions
ConditionsYield
With ammonium persulfate; silver nitrate In water; acetonitrile at 70℃; for 2h;95%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

1,2-diamino-benzene
95-54-5

1,2-diamino-benzene

3-ethyl-3,4-dihydroquinoxalin-2(1H)-one
13297-35-3

3-ethyl-3,4-dihydroquinoxalin-2(1H)-one

Conditions
ConditionsYield
With Sucrose In water at 20℃; for 72h;95%
In methanol at 20℃; Inert atmosphere;46%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

A

2-aminobutanoic acid
2835-81-6

2-aminobutanoic acid

B

2-Hydroxybutanoic acid
600-15-7, 565-70-8

2-Hydroxybutanoic acid

Conditions
ConditionsYield
With water; ammonium formate; [Rh(pentamethylcyclopentadiene)(2,2'-bipyridine)H2O]SO4 at 80℃; for 1h; pH=4.5; Product distribution / selectivity;A 94%
B n/a
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

(S)-2-amino-3-phenylpropionamide hydrochloride
65864-22-4

(S)-2-amino-3-phenylpropionamide hydrochloride

N-2-oxo-butanoyl-L-phenylalanine amide

N-2-oxo-butanoyl-L-phenylalanine amide

Conditions
ConditionsYield
Stage #1: (S)-2-amino-3-phenylpropionamide hydrochloride With triethylamine In dichloromethane at 4℃;
Stage #2: 2-Oxobutyric acid With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 4 - 20℃; for 2.5h;
94%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

benzylamine
100-46-9

benzylamine

A

L-2-aminobutyric acid
1492-24-6

L-2-aminobutyric acid

B

benzaldehyde
100-52-7

benzaldehyde

Conditions
ConditionsYield
With (S)-specific ω-transaminase from Paracoccus denitrificans In water for 5h; pH=7; Kinetics; Concentration; aq. phosphate buffer; Enzymatic reaction; optical yield given as %ee;A 94%
B n/a
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

L-2-aminobutyric acid
1492-24-6

L-2-aminobutyric acid

Conditions
ConditionsYield
With ω-transaminase from Ochrobactrum anthropi; isopropylamine In water at 37℃; for 9h; pH=7;93.2%
With L-ornithine; L-glutamic acid; Bacillus subtilis ornithine aminotransferase; Escherichia coli tyrosine aminotransferase; sodium hydroxide In aq. phosphate buffer at 37℃; for 16h; pH=8.5; Reagent/catalyst; Concentration; Time; Enzymatic reaction;87.6%
With sodium hydroxide; L-Aspartic acid at 37℃; for 24h; pH=7.5; Substitution; Microbiological reaction;
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

(R)-2-aminobutyric acid
2623-91-8

(R)-2-aminobutyric acid

Conditions
ConditionsYield
With isopropylamine In aq. buffer for 9h; pH=7.0; Enzymatic reaction;93%
With ω-transaminase from Arthrobacter sp.; isopropylamine In water at 37℃; for 12h; pH=7;90.9%
With meso-2,6-D-diaminopimelic acid dehydrogenase mutant BC621; ammonium chloride; NADPH In various solvent(s) for 24h;
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2,3-Diaminonaphthalene
771-97-1

2,3-Diaminonaphthalene

3-ethylbenzo[g]quinoxalin-2(1H)-one
1010705-84-6

3-ethylbenzo[g]quinoxalin-2(1H)-one

Conditions
ConditionsYield
With Sucrose In water at 20℃; for 72h;93%
propylamine
107-10-8

propylamine

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2-oxo-N-propyl-butyramide

2-oxo-N-propyl-butyramide

Conditions
ConditionsYield
Stage #1: 2-Oxobutyric acid With trichloroisocyanuric acid; triphenylphosphine In dichloromethane at 0℃; for 0.75h;
Stage #2: propylamine In dichloromethane at 20℃; for 1h;
92%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

(-)-8-phenylmenthol
65253-04-5

(-)-8-phenylmenthol

2-oxo-butyric acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenylethyl)-cyclohexyl ester
146596-05-6

2-oxo-butyric acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenylethyl)-cyclohexyl ester

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene for 20.5h; Heating;92%
toluene-4-sulfonic acid In benzene for 20.5833h; Heating / reflux;92%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

p-benzoquinone
106-51-4

p-benzoquinone

2',5'-dihydroxypropiophenone
938-46-5

2',5'-dihydroxypropiophenone

Conditions
ConditionsYield
With ammonium persulfate; silver nitrate In water; acetonitrile at 70℃; for 2h;91%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

semicarbazide hydrochloride
563-41-7

semicarbazide hydrochloride

2-ketobutyric acid semicarbazone
98071-49-9

2-ketobutyric acid semicarbazone

Conditions
ConditionsYield
In water at 20℃; for 1h;91%
In water
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

diisopropyl allylboronate
51851-79-7

diisopropyl allylboronate

2-ethyl-2-hydroxy-4-pentenoic acid
137207-08-0

2-ethyl-2-hydroxy-4-pentenoic acid

Conditions
ConditionsYield
With triethylamine In dichloromethane 1a) -10 deg C, b) r. t., 13 h;90%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

thiosemicarbazide
79-19-6

thiosemicarbazide

2-oxobutyric acid thiosemicarbazone

2-oxobutyric acid thiosemicarbazone

Conditions
ConditionsYield
In water at 70℃; for 0.166667h;90%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

2-ethyl-4-hydroxy-3-methyl-5-oxo-2,5-dihydrofuran-2-carboxylic acid

2-ethyl-4-hydroxy-3-methyl-5-oxo-2,5-dihydrofuran-2-carboxylic acid

Conditions
ConditionsYield
With diphenylborinic acid; water at 23℃; for 14h;90%
5-bromo-pyridine-2-carbaldehyde
31181-90-5

5-bromo-pyridine-2-carbaldehyde

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

5-(5-bromopyridin-2-yl)-3-hydroxy-4-methylfuran-2(5H)-one

5-(5-bromopyridin-2-yl)-3-hydroxy-4-methylfuran-2(5H)-one

Conditions
ConditionsYield
With 5,6-dimethyl-2-(pyrrolidin-2-yl)-1H-benzo[d]imidazole In tetrahydrofuran at 20℃; Inert atmosphere;90%
2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

4-hydroxy-benzaldehyde
123-08-0

4-hydroxy-benzaldehyde

dapsone
80-08-0

dapsone

6-[4-carboxy-2-(4-hydroxyphenyl)-3-methylquinolin-6-ylsulfonyl]-2-(4-hydroxyphenyl)-3-methylquinoline-4-carboxylic acid

6-[4-carboxy-2-(4-hydroxyphenyl)-3-methylquinolin-6-ylsulfonyl]-2-(4-hydroxyphenyl)-3-methylquinoline-4-carboxylic acid

Conditions
ConditionsYield
With copper(ll) bromide In ethanol; water Reflux; Green chemistry;90%
N-(4-methoxyphenyl)-N-methyl-3-phenylprop-2-ynamide
914785-45-8

N-(4-methoxyphenyl)-N-methyl-3-phenylprop-2-ynamide

2-Oxobutyric acid
600-18-0

2-Oxobutyric acid

1-methyl-4-phenyl-3-propionyl-1-azaspiro[4.5]deca-3,6,9-triene-2,8-dione

1-methyl-4-phenyl-3-propionyl-1-azaspiro[4.5]deca-3,6,9-triene-2,8-dione

Conditions
ConditionsYield
With dipotassium peroxodisulfate; water; silver carbonate In acetonitrile at 70℃; for 8h;90%
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