CAS No.112344-52-2,flobufen Suppliers

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

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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

[1,1'-Biphenyl]-4-butanoicacid, 2',4'-difluoro-a-methyl-g-oxo-

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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

[1,1'-Biphenyl]-4-butanoicacid, 2',4'-difluoro-a-methyl-g-oxo-

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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

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Xi`an Eastling Biotech 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:Beijing or Guangzhou

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Henan Tianfu Chemical Co., Ltd.

[1,1'-Biphenyl]-4-butanoicacid, 2',4'-difluoro-a-methyl-g-oxo- Application:Organic Chemicals

[1,1'-Biphenyl]-4-butanoicacid, 2',4'-difluoro-a-methyl-g-oxo-

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Antimex Chemical Limied

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[1,1'-Biphenyl]-4-butanoicacid, 2',4'-difluoro-a-methyl-g-oxo-

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BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to yellow powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use as

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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

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Synthetic route

: 161692-81-5
4-(2',4'-difluorobiphenyl-4-yl)-2-methylene-4-oxobutanoic acid

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

Conditions

Conditions	Yield
With hydrogen; palladium on activated charcoal In 1,4-dioxane at 20℃; under 3750.3 Torr;	74%

: 37847-52-2
2,4-difluorobiphenyl

: 4100-80-5
2-methylsuccinic anhydride

A: 4-(2',4'-difluorobiphenyl-4-yl)-3-methyl-4-oxobutanoic acid

B: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

Conditions

Conditions	Yield
With aluminium trichloride In 1,2-dichloro-ethane 1) 10 degC, 4 h, 2) 20 degC, 16 h;	A n/a B 40.2%

...Expand

: 97-65-4
2-methylenesuccinic acid

potassium bromide: potassium bromide

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 3 steps 1: 92 percent / Ac2O / 4 h / 80 °C 2: 63 percent / AlCl3 / CH2Cl2 / 1.) 10 deg C, 4 h, 2.) 20 deg C, 2 h 3: 74 percent / H2 / Pd/C / dioxane / 20 °C / 3750.3 Torr View Scheme

: 2170-03-8
itaconic acid anhydride

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: 63 percent / AlCl3 / CH2Cl2 / 1.) 10 deg C, 4 h, 2.) 20 deg C, 2 h 2: 74 percent / H2 / Pd/C / dioxane / 20 °C / 3750.3 Torr View Scheme

: 3886-69-9
(R)-1-phenyl-ethyl-amine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyric acid; compound with (R)-1-phenyl-ethylamine

Conditions

Conditions	Yield
In diethyl ether; acetone for 1h;	97%

: 56-87-1
L-lysine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: (+/-)-4-(2',4'-fifluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid L-(+)-lysine salt

Conditions

Conditions	Yield
In water; dimethyl sulfoxide	95%

: 78-83-1
2-methyl-propan-1-ol

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyric acid isobutyl ester

Conditions

Conditions	Yield
With thionyl chloride 1.) -15 deg C, 30 min, 2.) 40-45 deg C, 2 h;	91%

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 847475-35-8
4-(2',4'-difluorobipenyl-4-yl)-2-methylbutyric acid

Conditions

Conditions	Yield
With hydrogen; palladium on activated charcoal In water; acetic acid at 60℃; for 5h;	87%

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 108-91-8
cyclohexylamine

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyric acid; compound with cyclohexylamine

Conditions

Conditions	Yield
In diethyl ether; acetone for 1h;	86%

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 100-46-9
benzylamine

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyric acid; compound with benzylamine

Conditions

Conditions	Yield
In water; dimethyl sulfoxide	72%

: 64-17-5
ethanol

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyric acid ethyl ester

Conditions

Conditions	Yield
With thionyl chloride 1.) -15 deg C, 30 min, 2.) 40-45 deg C, 2 h;	69%

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: (+/-)-4-(2',4'-difluorobiphenyl-4-yl)-4-hydroxy-2-methylbutanoic lactone

Conditions

Conditions	Yield
With potassium hydroxide; sodium tetrahydroborate In water 1) 34-40 deg C, 3 h; 2) 20 deg C, 20 h;	58%

: 3886-69-9
(R)-1-phenyl-ethyl-amine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: (R)-(+)-flobufen (R)-(+)-1-phenylethylammonium salt

Conditions

Conditions	Yield
In diethyl ether at 20℃;	56%

: 2627-86-3
(S)-1-phenyl-ethylamine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: (S)-(-)-flobufen (S)-(-)-1-phenylethylammonium salt

Conditions

Conditions	Yield
In diethyl ether at 20℃;	55%

: 110-91-8
morpholine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-1-morpholin-4-yl-butane-1,4-dione

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

: 3886-69-9
(R)-1-phenyl-ethyl-amine

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid R-(+)-1-phenylethylamide

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 75-04-7
ethylamine

: 4-(2',4'-Difluoro-biphenyl-4-yl)-N-ethyl-2-methyl-4-oxo-butyramide

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 109-73-9
N-butylamine

: N-Butyl-4-(2',4'-difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyramide

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 459-73-4
GlyOEt*HCl

: [4-(2',4'-Difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyrylamino]-acetic acid ethyl ester

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

: 112344-52-2
4-(2',4'-difluorobiphenyl-4-yl)-2-methyl-4-oxobutanoic acid

: 100-46-9
benzylamine

: N-Benzyl-4-(2',4'-difluoro-biphenyl-4-yl)-2-methyl-4-oxo-butyramide

Conditions

Conditions	Yield
With 1-ethyl-piperidine; chloroformic acid ethyl ester 1.) DMF, CH2Cl2, 30 min, 2.) 20 deh C, 2 h; Yield given. Multistep reaction;

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