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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

1-bromo-2-butanone

Cas:816-40-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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

1-Bromo-2-butanone

Cas:816-40-0

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

1-BROMO-2-BUTANONE

Cas:816-40-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

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

Best Purity CAS 816-40-0 with high quality products

Cas:816-40-0

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

inquiry

Hebei Sankai Chemical Technology Co., Ltd

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

1-Bromo-2-butanone CAS816-40-0

Cas:816-40-0

Min.Order:1 Kilogram

FOB Price: $289.0 / 499.0

Type:Trading Company

inquiry

Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:1 Gram

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.:816-40-0

Cas:816-40-0

Min.Order:0

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

1-BROMO-2-BUTANONE

Cas:816-40-0

Min.Order:4 Kilogram

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 1-bromo-2-butanone

Cas:816-40-0

Min.Order:0 Metric Ton

Negotiable

Type:Other

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

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

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,

1-BROMO-2-BUTANONE

Cas:816-40-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

1-BROMO-2-BUTANONE Basic information Product Name: 1-BROMO-2-BUTANONE Synonyms: 1-Brombutanon-(2);1-bromo-2-butanon;1-bromo-butan-2-one;1-BroMo-2-butanone, 88% [stabilized], 88%;1-Bromo-2-butanone, technical, 85%, stabilized;(BROMOMETHYL)ETHYL

1-BROMO-2-BUTANONE

Cas:816-40-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Win-Win chemical Co.Ltd

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

1-Bromo-2-butanone cas no. 816-40-0 98%

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high qualityAppearance:white crystalline powder Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

3,5-Difluoropyridine-2-carboxylic acid

Cas:816-40-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Hunan chemfish Pharmaceutical co.,Ltd a comprehensive enterprise, is located in High-Tech Science Park,Changsha,Chia . Specializing in R&D, manufacture and marketing, we provide a wide range of products and the most professional services to meet the

8-Amino-1-octanol

Cas:816-40-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Good quantity Storage:R.T. Package:as per buyers Application:Reagent Transportation:by air/sea

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

1-BroMo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Fandachem Co.,Ltd

1-Bromo-2-butanoneAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Other

inquiry

Henan Kanbei Chemical Co.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Chinqesen Biotechnology Co., Ltd.

Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen

816-40-0

Cas:816-40-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

SAGECHEM LIMITED

816-40-0 Application:intermediate

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hunan Russell Chemicals Technology Co.,Ltd

low price and high purityAppearance:solid or liquid Storage:in sealed air resistant place Package:As customer require Application:Pharma;Industry;Agricultural Transportation:by sea or by airplane Port:any port in China

1-Bromo-2-butanone, technical, 85%, stabilized 816-40-0

Cas:816-40-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Shenzhen Foris Technology Co. LTD

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:any port in China

1-Bromo-2-butanone 816-40-0

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

ZHEJIANG JIUZHOU CHEM CO.,LTD

factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Beantown Chemical

in stock Application:816-40-0

1-Bromo-2-butanone, technical, 85%, stabilized

Cas:816-40-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

LEAP CHEM Co., Ltd.

Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP

1-BROMO-2-BUTANONE

Cas:816-40-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Amadis Chemical Co., Ltd.

1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G

1-Bromo-2-butanone

Cas:816-40-0

Min.Order:10 Milligram

Negotiable

Type:Lab/Research institutions

inquiry

Zhengzhou Kingorgchem Chemical Technology Co., Ltd.

Zhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i

National Research Platform ISO 9001 816-40-0

Cas:816-40-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

suzhou BetterBioChem Co., Ltd.

Betterbiochem is specialized in APIs, pharmaceutical intermediates & fine chemicals. 1. The best quality, competitive price. 2. The best service before or after shipment. 3. Rich experience in export operation. 4. Rich experience in

1-BROMOBUTAN-2-ONE

Cas:816-40-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

1-(trimethylsilyl)-2-butanone
14091-67-9

1-(trimethylsilyl)-2-butanone

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With bromine In dichloromethane at -78℃;95%
1-morpholinopropane-1-one
30668-14-5

1-morpholinopropane-1-one

dimethyltitanocene
1271-66-5

dimethyltitanocene

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: 1-morpholinopropane-1-one; dimethyltitanocene In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere; regioselective reaction;
95%
N-propionylpiperidine
14045-28-4

N-propionylpiperidine

dimethyltitanocene
1271-66-5

dimethyltitanocene

A

1,1-dibromo-butan-2-one
3479-86-5

1,1-dibromo-butan-2-one

B

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: N-propionylpiperidine; dimethyltitanocene In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere; regioselective reaction;
A n/a
B 94%
1-pyrrolidin-1-yl-propan-1-one
4553-05-3

1-pyrrolidin-1-yl-propan-1-one

dimethyltitanocene
1271-66-5

dimethyltitanocene

A

1,1-dibromo-butan-2-one
3479-86-5

1,1-dibromo-butan-2-one

B

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: 1-pyrrolidin-1-yl-propan-1-one; dimethyltitanocene In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere; regioselective reaction;
A n/a
B 93%
dimethyltitanocene
1271-66-5

dimethyltitanocene

N,N-dipropylpropionamide
1114-59-6

N,N-dipropylpropionamide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: dimethyltitanocene; N,N-dipropylpropionamide In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere; regioselective reaction;
91%
dimethyltitanocene
1271-66-5

dimethyltitanocene

N,N-diethylpropanamide
1114-51-8

N,N-diethylpropanamide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: dimethyltitanocene; N,N-diethylpropanamide In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Schlenk technique; Inert atmosphere; regioselective reaction;
90%
dimethyltitanocene
1271-66-5

dimethyltitanocene

N,N-dimethyl-propanamide
758-96-3

N,N-dimethyl-propanamide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: dimethyltitanocene; N,N-dimethyl-propanamide In toluene at 65℃; Schlenk technique; Inert atmosphere;
Stage #2: With bromine In toluene at -78℃; for 0.0333333h; Schlenk technique; Inert atmosphere;
Stage #3: With water In toluene at 20℃; for 1h; Solvent; Temperature; Reagent/catalyst; Schlenk technique; Inert atmosphere; regioselective reaction;
90%
butanone
78-93-3

butanone

A

3,3-dibromobutan-2-one
2648-69-3

3,3-dibromobutan-2-one

B

1,1-dibromo-butan-2-one
3479-86-5

1,1-dibromo-butan-2-one

C

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

D

3-bromo-butanone
814-75-5

3-bromo-butanone

Conditions
ConditionsYield
With N-Bromosuccinimide; silica gel In methanol for 0.166667h; Reflux;A n/a
B n/a
C 14%
D 83%
butanone
78-93-3

butanone

A

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

B

3-bromo-butanone
814-75-5

3-bromo-butanone

Conditions
ConditionsYield
With Oxone; ammonium bromide In methanol at 20℃; for 8h; regioselective reaction;A 80%
B 9%
With 3-bromo-6-chloroimidazo<1,2-b>pyridazine hydrobromide-bromine for 0.5h; Ambient temperature;A 19%
B 58%
With potassium chlorate; bromine at 50℃;
butanone
78-93-3

butanone

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With N-bromo-N-sodiopolystyrenesulphonamide; sulfuric acid In chloroform for 8h; Heating;50%
With bromine
With potassium chlorate; bromine
dimethyltitanocene
1271-66-5

dimethyltitanocene

N,N-dimethyl-propanamide
758-96-3

N,N-dimethyl-propanamide

A

1,3-dibromobutan-2-one
815-51-0

1,3-dibromobutan-2-one

B

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
Stage #1: dimethyltitanocene; N,N-dimethyl-propanamide With bromine at 70℃; for 2h;
Stage #2: With water
A n/a
B 35%
propanoyl bromide
598-22-1

propanoyl bromide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With diethyl ether beim folgenden Einleiten von HBr bei 0grad;
1-butylene
106-98-9

1-butylene

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With hypobromous acid
1-bromo-2-butanol
2482-57-7

1-bromo-2-butanol

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With chromic acid
With potassium dichromate; sulfuric acid
acetic acid
64-19-7

acetic acid

butanone
78-93-3

butanone

A

3-acetoxy-2-butanone
4906-24-5

3-acetoxy-2-butanone

B

2-oxobutyl acetate
1575-57-1

2-oxobutyl acetate

C

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

D

3-bromo-butanone
814-75-5

3-bromo-butanone

Conditions
ConditionsYield
With bromine; sodium acetate In water Further byproducts given;
butanone
78-93-3

butanone

A

3-acetoxy-2-butanone
4906-24-5

3-acetoxy-2-butanone

B

2-oxobutyl acetate
1575-57-1

2-oxobutyl acetate

C

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

D

3-bromo-butanone
814-75-5

3-bromo-butanone

Conditions
ConditionsYield
With bromine; sodium acetate In water; acetic acid Further byproducts given;
propionyl chloride
79-03-8

propionyl chloride

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With hydrogen bromide 1.) diethyl ether, 2.) diethyl ether; Multistep reaction;
1-bromo-2-butanol
2482-57-7

1-bromo-2-butanol

chromic acid

chromic acid

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-chloro-2-butanone
4091-39-8

3-chloro-2-butanone

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

Conditions
ConditionsYield
With sodium bromide In N-methyl-acetamide

A

butanone
78-93-3

butanone

B

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

C

3-bromo-butanone
814-75-5

3-bromo-butanone

Conditions
ConditionsYield
With sodium bromate; sulfuric acid; sodium bromide In water at 60℃; for 0.166667h; Microwave irradiation;
3-chloropyrazin-2-amine
6863-73-6

3-chloropyrazin-2-amine

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

8-chloro-2-ethylimidazo[1,2-a]pyrazine
391954-17-9

8-chloro-2-ethylimidazo[1,2-a]pyrazine

Conditions
ConditionsYield
at 90℃; for 18h;100%
With sodium carbonate In 1,4-dioxane; dimethylsulfoxide-d6; diethyl ether; water74%
In tert-butyl alcohol Heating;44%
sodium benzoate
532-32-1

sodium benzoate

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-oxo-2-butyl benzoate
80387-17-3

3-oxo-2-butyl benzoate

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3.75h;100%
pyrrol-2-yl trichloromethyl ketone
35302-72-8

pyrrol-2-yl trichloromethyl ketone

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-ethyl-1H-pyrrolo[2,1-c][1,4]oxazin-1-one
1613023-09-8

3-ethyl-1H-pyrrolo[2,1-c][1,4]oxazin-1-one

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 19h;100%
ethyl 2-cyanoacetate
105-56-6

ethyl 2-cyanoacetate

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

C14H17BrN2O4

C14H17BrN2O4

Conditions
ConditionsYield
With bromocyane; triethylamine In ethanol at 0 - 20℃; for 0.00138889h; Sealed tube;100%
1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

malononitrile
109-77-3

malononitrile

C10H7BrN4

C10H7BrN4

Conditions
ConditionsYield
With bromocyane; triethylamine In ethanol at 0 - 20℃; for 0.00138889h; Sealed tube;100%
2-thio-1-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)-(3H)pyrimidine-2,4-dione
21052-18-6

2-thio-1-(2',3',5'-tri-O-benzoyl-β-D-ribofuranosyl)-(3H)pyrimidine-2,4-dione

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

2-(2-oxobutyl)thio-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4(1H)-pyrimidinone
155006-17-0

2-(2-oxobutyl)thio-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4(1H)-pyrimidinone

Conditions
ConditionsYield
With triethylamine In dichloromethane for 1h; Ambient temperature;99%
2-hydroxy-4-methoxy-6-((2-(4-methoxyphenyl)thiazol-4-yl)methoxy)benzaldehyde

2-hydroxy-4-methoxy-6-((2-(4-methoxyphenyl)thiazol-4-yl)methoxy)benzaldehyde

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

1-(6-methoxy-4-((2-(4-methoxyphenyl)thiazol-4-yl)methoxy)benzofuran-2-yl)propan-1-one

1-(6-methoxy-4-((2-(4-methoxyphenyl)thiazol-4-yl)methoxy)benzofuran-2-yl)propan-1-one

Conditions
ConditionsYield
With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 12h;99%
N-(Diphenylmethyl)glycine 1,1-dimethylethyl ester
158980-46-2

N-(Diphenylmethyl)glycine 1,1-dimethylethyl ester

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

[benzhydryl-(2-oxobutyl)amino]acetic tert-butyl ester
647857-04-3

[benzhydryl-(2-oxobutyl)amino]acetic tert-butyl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In acetone at -60℃; Heating / reflux;98%
2-amino-5-chlorophenol
28443-50-7

2-amino-5-chlorophenol

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

7-chloro-3-ethyl-2H-benzo[b][1,4]oxazine

7-chloro-3-ethyl-2H-benzo[b][1,4]oxazine

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 3h; Cooling with ice;98%
5-chloro-6-(4-chlorophenylamino)nicotinamidine
951771-70-3

5-chloro-6-(4-chlorophenylamino)nicotinamidine

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

[3-chloro-5-(4-ethyl-1H-imidazol-2-yl)-pyridin-2-yl]-(4-chloro-phenyl)-amine

[3-chloro-5-(4-ethyl-1H-imidazol-2-yl)-pyridin-2-yl]-(4-chloro-phenyl)-amine

Conditions
ConditionsYield
With potassium hydrogencarbonate In tetrahydrofuran at 60 - 80℃; for 2h;97%
2-nitro-5-trifluoromethylphenol
402-17-5

2-nitro-5-trifluoromethylphenol

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

1-[2-nitro-5-(trifluoromethyl)phenoxy]butan-2-one

1-[2-nitro-5-(trifluoromethyl)phenoxy]butan-2-one

Conditions
ConditionsYield
Stage #1: 2-nitro-5-trifluoromethylphenol With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 0.333333h; Inert atmosphere;
Stage #2: 1-Bromo-2-butanone In N,N-dimethyl-formamide; mineral oil at 20℃; for 21.5h; Inert atmosphere;
97%
tert-butyl (2-bromo-4-methyl-6-nitrophenyl)carbamate

tert-butyl (2-bromo-4-methyl-6-nitrophenyl)carbamate

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

tert-butyl (2-bromo-4-methyl-6-nitrophenyl)(2-oxobutyl)carbamate

tert-butyl (2-bromo-4-methyl-6-nitrophenyl)(2-oxobutyl)carbamate

Conditions
ConditionsYield
Stage #1: tert-butyl (2-bromo-4-methyl-6-nitrophenyl)carbamate With caesium carbonate In N,N-dimethyl-formamide at 20℃; for 0.0833333h;
Stage #2: 1-Bromo-2-butanone In N,N-dimethyl-formamide; acetonitrile at 20℃; for 0.25h;
97%
triphenylphosphine
603-35-0

triphenylphosphine

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

2-oxobutyltriphenylphosphonium bromide
94953-37-4

2-oxobutyltriphenylphosphonium bromide

Conditions
ConditionsYield
In tetrahydrofuran for 4h; Reflux;96%
In tetrahydrofuran for 3h; Cooling with ice; Reflux;95%
8-(hydroxymethyl)-3-methyl-7-((2-(trimethylsilyl)ethoxy)methyl)-1H-purine-2,6(3H,7H)-dione

8-(hydroxymethyl)-3-methyl-7-((2-(trimethylsilyl)ethoxy)methyl)-1H-purine-2,6(3H,7H)-dione

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

8-(hydroxymethyl)-3-methyl-1-(2-oxobutyl)-7-((2-(trimethylsilyl)ethoxy)methyl)-1H-purine-2,6(3H,7H)-dione

8-(hydroxymethyl)-3-methyl-1-(2-oxobutyl)-7-((2-(trimethylsilyl)ethoxy)methyl)-1H-purine-2,6(3H,7H)-dione

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; potassium carbonate In N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere;96%
3-benzhydryl-6-bromo-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

3-benzhydryl-6-bromo-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-Benzhydryl-6-bromo-1-(2-oxobutyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

3-Benzhydryl-6-bromo-1-(2-oxobutyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one

Conditions
ConditionsYield
In acetonitrile for 2h; Reflux;96%
1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

4-acetylamino-3-amino-benzoic acid t-butyl ester
197089-39-7

4-acetylamino-3-amino-benzoic acid t-butyl ester

4-acetylamino-3-(2'-oxobutyl)-aminobenzoic acid t-butyl ester
233671-43-7

4-acetylamino-3-(2'-oxobutyl)-aminobenzoic acid t-butyl ester

Conditions
ConditionsYield
With sodium hydrogencarbonate In N,N-dimethyl-formamide Ambient temperature;95%
3-(4-nitrophenyl)propanethioamide
689251-37-4

3-(4-nitrophenyl)propanethioamide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

4-ethyl-2-[2-(4-nitrophenyl)ethyl]-1,3-thiazole
689251-39-6

4-ethyl-2-[2-(4-nitrophenyl)ethyl]-1,3-thiazole

Conditions
ConditionsYield
In tert-butyl alcohol for 0.5h; Heating / reflux;95%
Methyl thioglycolate
2365-48-2

Methyl thioglycolate

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

methyl 2-<(3-methylacetonyl)thio>acetate
61363-63-1

methyl 2-<(3-methylacetonyl)thio>acetate

Conditions
ConditionsYield
With sodium methylate In methanol a) room temperature, 25 min, b) 57 deg C, 25 min;94%
sodium diethylmalonate
996-82-7, 34727-00-9, 73177-21-6

sodium diethylmalonate

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

<2-Oxo-butyl>-malonsaeure-diethylester
1907-97-7

<2-Oxo-butyl>-malonsaeure-diethylester

Conditions
ConditionsYield
In tetrahydrofuran Ambient temperature;94%
N-(3-cyclopropyl-3-hydroxypropyl)-4-methylbenzenesulfonamide

N-(3-cyclopropyl-3-hydroxypropyl)-4-methylbenzenesulfonamide

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

N-(3-cyclopropyl-3-hydroxypropyl)-4-methyl-N-(2-oxobutyl)benzenesulfonamide

N-(3-cyclopropyl-3-hydroxypropyl)-4-methyl-N-(2-oxobutyl)benzenesulfonamide

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 16h;94%
3-methoxy-2-methylpyridine
26395-26-6

3-methoxy-2-methylpyridine

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-Methoxy-2-methyl-1-(2-oxobutyl)-pyridinium Bromide
177559-02-3

3-Methoxy-2-methyl-1-(2-oxobutyl)-pyridinium Bromide

Conditions
ConditionsYield
at 70℃; for 0.166667h;93.8%
4-thioureidobenzoic acid ethyl ester
23051-16-3

4-thioureidobenzoic acid ethyl ester

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

4-(4-ethylthiazol-2-ylamino)-benzoic acid ethyl ester
960324-91-8

4-(4-ethylthiazol-2-ylamino)-benzoic acid ethyl ester

Conditions
ConditionsYield
In 1,4-dioxane at 110℃; for 0.25h;93%
In 1,4-dioxane at 110℃; for 0.25h; Microwave irradiation;93%
meta-iso-propyl aniline
5369-16-4

meta-iso-propyl aniline

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

3-chloro-benzeneacetyl chloride
41904-39-6

3-chloro-benzeneacetyl chloride

N-(3-isopropylphenyl)-N-(2-oxobutyl)-3-chlorophenylacetamide

N-(3-isopropylphenyl)-N-(2-oxobutyl)-3-chlorophenylacetamide

Conditions
ConditionsYield
With pyridine; N-ethyl-N,N-diisopropylamine In toluene93%
1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

ethyl 3-benzyloxy-2-pyridineacetate
177560-06-4

ethyl 3-benzyloxy-2-pyridineacetate

Ethyl (8-Benzyloxy-2-ethylindolizin-1-yl)carboxylate
177558-64-4

Ethyl (8-Benzyloxy-2-ethylindolizin-1-yl)carboxylate

Conditions
ConditionsYield
With sodium hydrogencarbonate In butanone for 24h; Heating;92%
With sodium hydrogencarbonate In butanone92%
With sodium hydrogencarbonate In butyraldehyde for 24h; Heating / reflux;92%
With sodium hydrogencarbonate In butyraldehyde for 24h; Heating / reflux;92%
1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

N-methoxy-N-methyl-2-(5-thioxo-1-trimethylsilanylmethyl-pyrrolidin-2-yl)-acetamide
463975-31-7

N-methoxy-N-methyl-2-(5-thioxo-1-trimethylsilanylmethyl-pyrrolidin-2-yl)-acetamide

N-methoxy-N-methyl-2-[5-(2-oxo-butylidene)-1-trimethylsilanylmethyl-pyrrolidin-2-yl]-acetamide
463975-33-9

N-methoxy-N-methyl-2-[5-(2-oxo-butylidene)-1-trimethylsilanylmethyl-pyrrolidin-2-yl]-acetamide

Conditions
ConditionsYield
Stage #1: 1-Bromo-2-butanone; N-methoxy-N-methyl-2-(5-thioxo-1-trimethylsilanylmethyl-pyrrolidin-2-yl)-acetamide In acetonitrile at 23℃;
Stage #2: With triethylamine; triphenylphosphine In acetonitrile at 23℃;
92%
2-(5-methoxy-pyridin-2-yl)-1-(3,4,5-trimethoxyphenyl)ethanone
896722-44-4

2-(5-methoxy-pyridin-2-yl)-1-(3,4,5-trimethoxyphenyl)ethanone

1-Bromo-2-butanone
816-40-0

1-Bromo-2-butanone

(2-ethyl-6-methoxy-indolizin-1-yl)-(3,4,5-trimethoxy-phenyl)-methanone

(2-ethyl-6-methoxy-indolizin-1-yl)-(3,4,5-trimethoxy-phenyl)-methanone

Conditions
ConditionsYield
With sodium hydrogencarbonate In acetone for 20h;92%
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