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49851-31-2

Basic Information
CAS No.: 49851-31-2
Name: 1-Pentanone, 2-bromo-1-phenyl-
Molecular Structure:
Molecular Structure of 49851-31-2 (1-Pentanone, 2-bromo-1-phenyl-)
Formula: C11H13BrO
Molecular Weight: 241.12400
Synonyms: 2-bromo-1-phenylpentan-1-one;
EINECS:
Density: 1.31g/cm3
Melting Point:
Boiling Point: 282.267oC at 760 mmHg
Flash Point: 42.513oC
Solubility:
Appearance:
Hazard Symbols:
Risk Codes:
Safety:
Transport Information:
PSA: 17.07000
LogP: 3.43290
Synthetic route
1009-14-9

phenyl butyl ketone

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
With aluminium trichloride; bromine In diethyl ether at 0℃;100%
With hydrogenchloride; dihydrogen peroxide; sodium bromide In water at 20℃;95%
With bromine; benzene

C18H22O

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
With p-nitrobenzenesulfonamide; hydrogen bromide; oxygen; sodium nitrite In water; acetonitrile at 0 - 60℃; under 760.051 Torr; for 30.5h;97%
138042-71-4

2-bromo-1-phenyl-2-(p-tolylsulfinyl)-1-pentanone

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
With ethylmagnesium bromide In diethyl ether at -78℃; for 0.0833333h;56%
With ethylmagnesium bromide; water 1.) ether, -78 deg C; Yield given. Multistep reaction;

C11H13PolS2

123-72-8

butyraldehyde

A

20907-23-7

2-hydroxy-1-phenylpentan-1-one

B

20895-66-3

1-phenyl-1,2-pentanedione

C

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Stage #1: C11H13PolS2 With n-butyllithium In tetrahydrofuran at -35℃; for 2h; solid phase reaction;
Stage #2: butyraldehyde In tetrahydrofuran; Petroleum ether at -35℃; solid phase reaction;
Stage #3: With N-Bromosuccinimide In tetrahydrofuran; water
A 34%
B 20%
C 13%
1009-14-9

phenyl butyl ketone

7726-95-6

bromine

64-19-7

acetic acid

49851-31-2

α-bromovalerophenone

100-52-7

benzaldehyde

aminoguanidine salt

aminoguanidine salt

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) LDA / 1.) THF, -78 deg C, 10 min, 2.) THF, -78 deg C, 5 min
2: oxalyl chloride, dimethyl sulfoxide / CH2Cl2 / 0.25 h / -60 °C
3: 56 percent / EtMgBr / diethyl ether / 0.08 h / -78 °C
View Scheme
138042-59-8

2-Bromo-1-phenyl-2-(toluene-4-sulfinyl)-pentan-1-ol

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: oxalyl chloride, dimethyl sulfoxide / CH2Cl2 / 0.25 h / -60 °C
2: 56 percent / EtMgBr / diethyl ether / 0.08 h / -78 °C
View Scheme
Multi-step reaction with 2 steps
1: 74 percent / Swern Oxidation
2: 1.) EtMgBr, 2.) H2O / 1.) ether, -78 deg C
View Scheme
100-52-7

benzaldehyde

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 1.) LDA / 1.) -78 deg C, THF
2: 74 percent / Swern Oxidation
3: 1.) EtMgBr, 2.) H2O / 1.) ether, -78 deg C
View Scheme
638-29-9

n-valeryl chloride

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aluminum (III) chloride / dichloromethane
2: bromine / dichloromethane
View Scheme
71-43-2

benzene

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aluminum (III) chloride / dichloromethane
2: bromine / dichloromethane
View Scheme
110-62-3

pentanal

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: magnesium; iodine / tetrahydrofuran / 20 °C / Inert atmosphere
1.2: 0 °C / Inert atmosphere
2.1: N-Bromosuccinimide / tetrahydrofuran / 20 °C
View Scheme
583-03-9

1-Phenyl-1-pentanol

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
With N-Bromosuccinimide In tetrahydrofuran at 20℃;
108-86-1

bromobenzene

49851-31-2

α-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: magnesium; iodine / tetrahydrofuran / 20 °C / Inert atmosphere
1.2: 0 °C / Inert atmosphere
2.1: N-Bromosuccinimide / tetrahydrofuran / 20 °C
View Scheme
49851-31-2

α-bromovalerophenone

1021934-32-6

2-bromo-1-phenylpentan-1-ol

Conditions
ConditionsYield
Stage #1: α-bromovalerophenone With sodium tetrahydroborate In methanol Cooling with ice;
Stage #2: With hydrogenchloride In methanol; water
100%
49851-31-2

α-bromovalerophenone

60-23-1

Cysteamine

1-phenyl-spiro-1-(1',3'-thiazolidine)pentan-2-one

Conditions
ConditionsYield
In benzene at 20℃; for 2h;98%
108-98-5

thiophenol

49851-31-2

α-bromovalerophenone

59919-12-9

1-Phenyl-2-phenylthiopentan-1-one

Conditions
ConditionsYield
With sodium hydroxide In ethanol for 18h;93%
49851-31-2

α-bromovalerophenone

62-53-3

aniline

101584-01-4

Phenyl-(1-anilino-butyl)-keton

Conditions
ConditionsYield
With sodium carbonate at 140℃; Inert atmosphere; Sealed tube;91%
89343-06-6

tris-iso-propylsilyl acetylene

49851-31-2

α-bromovalerophenone

C22H35IOS

Conditions
ConditionsYield
With copper(II) bis(trifluoromethanesulfonate); caesium carbonate; 2,6-bis((S)-4-isopropyl-4,5-dihydrooxazol-2-yl)pyridine; potassium iodide In toluene at 100℃; for 24h; Inert atmosphere;81%
124-68-5

2-Amino-2-methyl-1-propanol

49851-31-2

α-bromovalerophenone

(2R,3R)-5,5-Dimethyl-2-phenyl-3-propyl-morpholin-2-ol

Conditions
ConditionsYield
In acetonitrile for 16h; Heating;80%
64-19-7

acetic acid

49851-31-2

α-bromovalerophenone

93-55-0

1-phenyl-propan-1-one

A

19347-08-1

acetic acid 1-methyl-2-oxo-2-phenyl-ethyl ester

B

104426-43-9, 113299-10-8, 104426-39-3

1-oxo-1-phenylpentan-2-yl acetate

Conditions
ConditionsYield
With tert.-butylhydroperoxide; tetrabutylammonium acetate In water at 110℃; for 30h; Inert atmosphere;A 77%
B n/a
1258848-18-8

(E)-2-(4-oxothiazolidin-2-ylidene)ethanethioamide

49851-31-2

α-bromovalerophenone

1427727-90-9

C16H16N2OS2

Conditions
ConditionsYield
In ethanol Hantzsch Thiazole Synthesis; Reflux;75%
7431-45-0

2-phenylpyrimidine

49851-31-2

α-bromovalerophenone

C21H20N2O

Conditions
ConditionsYield
With [Ru(O2CAd)2(p-cymene)]; potassium carbonate; triphenylphosphine In 1,4-dioxane at 40℃; for 20h;71%
622-97-9

1-ethenyl-4-methylbenzene

49851-31-2

α-bromovalerophenone

1-phenyl-2-propyl-4-(p-tolyl)butane-1,4-dione

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine; eosin y In N,N-dimethyl-formamide at 20℃; for 6h; Sealed tube; Irradiation;52%
110-91-8

morpholine

49851-31-2

α-bromovalerophenone

silver carbonate

1-benzoylbutyl morpholine-4-carboxylate

Conditions
ConditionsYield
In dimethyl sulfoxide at 70℃; for 0.5h;37.07%
108-39-4

3-methyl-phenol

49851-31-2

α-bromovalerophenone

107627-04-3

1-phenyl-2-m-tolyloxy-pentan-1-one

Conditions
ConditionsYield
With potassium carbonate; acetone
67-56-1

methanol

3019-89-4

sodium 3-methylphenoxide

49851-31-2

α-bromovalerophenone

108622-06-6

2-hydroxy-1-phenyl-pentan-1-one-(methyl-m-tolyl-acetal)

67-56-1

methanol

139-02-6

sodium phenoxide

49851-31-2

α-bromovalerophenone

101787-92-2

2-hydroxy-1-phenyl-pentan-1-one-(methyl-phenyl-acetal)

141-52-6

sodium ethanolate

49851-31-2

α-bromovalerophenone

1-ethoxy-1-phenyl-pentan-2-one

Conditions
ConditionsYield
With ethanol
With diethyl ether
49851-31-2

α-bromovalerophenone

A

100134-41-6

4-phenyl-5-propyl-1,3-dihydro-imidazol-2-one

B

100134-51-8

4-phenyl-5-propyl-oxazol-2-ylamine

Conditions
ConditionsYield
With N,N-dimethyl-formamide
49851-31-2

α-bromovalerophenone

100134-51-8

4-phenyl-5-propyl-oxazol-2-ylamine

Conditions
ConditionsYield
With N,N-dimethyl-formamide
49851-31-2

α-bromovalerophenone

74-89-5

methylamine

879722-57-3

α-methylaminovalerophenone

Conditions
ConditionsYield
With ethanol
In dichloromethane for 12h;
49851-31-2

α-bromovalerophenone

108-95-2

phenol

101594-81-4

2-phenoxy-1-phenyl-pentan-1-one

Conditions
ConditionsYield
With potassium carbonate; acetone
49851-31-2

α-bromovalerophenone

20907-23-7

2-hydroxy-1-phenylpentan-1-one

Conditions
ConditionsYield
With N,N-dimethyl-formamide
49851-31-2

α-bromovalerophenone

72209-42-8

2-nitryloxy-1-phenyl-pentan-1-one

Conditions
ConditionsYield
With silver nitrate; acetonitrile
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  • α-Bromovalerophenone

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    α-Bromovalerophenone

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  • 2-Bromovalerophenone alpha Bromovalerophenone

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    2-Bromovalerophenone alpha Bromovalerophenone

    Min.Order: 100 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Boiling point 94-96 °C(Press: 0.25 Torr) density 1.310±0.06 g/cm3(Predicted) Superiority We can customize and synthesize products that

    Changchun Artel Import and Export Trade Co., Ltd. is located in Changchun City, Jilin Province. It is a high-tech modern private enterprise specializing in the research, developme

  •  Changchun Artel lmport and Export trade company

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86-0431-80543058

    Address:Dianshi Plazza,Chaoyang District

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  • 1-Pentanone, 2-bromo-1-phenyl-

  • Casno:

    49851-31-2

    1-Pentanone, 2-bromo-1-phenyl-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    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

    Shandong Hanjiang Chemical Co., Ltd. is located in Qilu Petrochemical Industrial Park, Zibo City, Shandong Province, involving pesticide, medicine, chemical industry, coating, dy

  •  Shandong Hanjiang Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:18369939125

    Address:95A, Xingyuan East Road, Zhangdian District

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    MSDS/COA Download

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 1 Metric Ton

    FOB Price:  USD $ 10.0-12.0/Metric Ton

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service professional enterprise, Our company mainly engages in global pharmaceutical,

    Hangzhou Keying Chem Co., Ltd. Is a comprehensive enterprise, dedicated to the development, production and marketing of chemicals. As a technology innovative and service profession

  •  Hangzhou Keyingchem Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85378921

    Address:Jintong international Building, No.113,Huayuangang Street, Gong shu District, Hangzhou,Zhejiang, China.

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  • 100% Safe Delivery 2-Bromo-1-Phenyl-Pentan-1-One

  • Casno:

    49851-31-2

    100% Safe Delivery 2-Bromo-1-Phenyl-Pentan-1-One

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 60.0-80.0/Kilogram

    Dear customer, Thanks for your inquiry. For check price,please confirm some information first. 1.Chemical name +CAS NO+quantity 2.Please advise the address with post code if freight cost needed. 3.For more convenient talk,we can share whatsapp

    Hebei Lvyang Biotechnology Co., Ltd. Is a specialized production enterprise integrating scientific research, production, processing and export. Mainly deal in pharmaceutical inte

  •  Hebei Lvyang Biotechnology Co., Ltd.

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+86 15030198922

    Address:SHIJIAZHUANG

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

    AFINE CHEMICALS LIMITED is specialized in the fine chemicals and pharmaceuticals and we have enjoyed great popularity in world markets. Since 2005, we have been rapidly growing to

  •  Afine Chemicals Limited

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-571-85134551

    Address:No. 206 Zhen Hua Road, Hangzhou 310030, Zhejiang, China

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  • -Bromovalerophenone

  • Casno:

    49851-31-2

    -Bromovalerophenone

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 0.0-0.0/Kilogram

    Henan Coreychem co., LTD focus on high complex new type intermediates and fine chemical custom synthesis,scale-up production and rare chemicals trade.Product category including Intermediates&API,Catalyst and Electronic Chemicals.Covering 811 square m

    Henan CoreyChem Co., Ltd, based on the original Zhengzhou Cote Chemical Research Institute, be brave in absorbing highly educated talents & overseas returnees; actively responded t

  •  Career Henan Chemical Co

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-371-86658258

    Address:Building 3 of Innovation Park, East District of the National University Science Park

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  • High Quality 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    High Quality 2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-1.0/Gram

    Qingdao Sigma Chemical Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, peptide,Nootropis etc API, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. Our Labo

    SHANDONG SIGMACHEMICAL is mainly engaged in R&D, manufacturing and marketing pharmaceuticals, chemical intermediates, Biochemicals, Veterinary medicines and Nutrition products. Wit

  •  Qingdao Sigma Chemical Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0532-80916960

    Address:shandong qingdao

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 1 Gram

    FOB Price:  USD $ 1.0-2.0/Gram

    span lang="EN-US" style="font-size: 9.0pt;font-family:"Arial",sans-serif;color:#4D4D4D">As a leading manufacturer and supplier of chemicals in china, weckchem not only supply popular chemicals, but also weckchem’s r&d center off

    Hangzhou Weckchem Co.,Ltd, located in Hangzhou,China, is specialized in Green chemicals and Fine chemicals over 10 years. Our main products are used in Fuel oil, Water treatment an

  •  Hangzhou Weck Chemical Industry Co., Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Other

    Tel:86-15158040660

    Address:Xiaoshan district

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  • a-Bromovalerophenone

  • Casno:

    49851-31-2

    a-Bromovalerophenone

    Min.Order: 1 Gram

    FOB Price:  USD $ 10.0-10.0/Gram

    Zhejiang J&C Biological Technology Co., Limited is specialized in the production of high complex new type intermediates and chemical custom synthesis, scale-up production and rare chemicals trade. Products category is including Intermediates &a

    ZHEJIANG BIOLOGY AND TECHNOLOGY CO., LTD. is a modern professional high-tech enterprise, which is specializing in generic APIs and pharmaceutical intermediates. especially in pepti

  •  Zhejiang J&C Biological Technology Co.,Limited

    China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:0570-4045877

    Address:46# zhongshan road, quzhou zhejiang

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification

    Hangzhou Clap Technology Co., Ltd is a leading manufacturer and supplier of API, Pharma intermediates, organic and inorganic compounds, rare earth, pesticide, raw drugs, fine chemi

  •  HANGZHOU CLAP TECHNOLOGY CO,.LTD

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:86-571-56972507

    Address:Room 4198,Floor 4,No.4,ShanXian Road XiaCheng District,HangZhou city,ZheJiang province,China

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0/Gram

    Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current business is focused on fine chemicals, pharmaceutical materials and int

    Hangzhou KieRaychem Co.,Ltd.is located in Yuhang District of Hangzhou City and specialized in the chemical product customization, development, sales, import and export. Current bus

  •  Hangzhou KieRay Chem Co.,Ltd.

     China (Mainland)  |  Contact Details

    Business Type:Lab/Research institutions

    Tel:+86-15336573147

    Address:Room 260, Building 3, No. 76 Xingqiao North Road, Xingqiao Street, Yuhang District, Hangzhou City, Zhejiang Province, China

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  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    We produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp

    Hebei Mojin Biotechnology Co., Ltd, Our company is a professional in carbomer, Dibenzylamine,meglumine,lead acetate and other chemical raw materials and chemical reagents research

  •  Hebei Mojin Biotechnology Co.,Ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:13231137666

    Address:room 1401,A building,Enjoy city,shijiazhuang city,hebei province,China

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  • CAS 49851-31-2 2-Bromo-1-phenyl-1-pentanone

  • Casno:

    49851-31-2

    CAS 49851-31-2 2-Bromo-1-phenyl-1-pentanone

    Min.Order: 1 Kilogram

    FOB Price:  USD $ 10.0-10.0/Kilogram

    Common Name 2-Bromo-1-phenyl-1-pentanone CAS Number 49851-31-2 Molecular Weight 241.124 Density 1.3±0.1 g/cm3 Boiling Point 282.3±13.0 °C at 760 mmHg Molecular Formula C11H

    Hebei Shengweiya Biotechnology Co., Ltd. is a manufacturer specializing in pharmaceutical and chemical raw materials and related derivatives. Its products are widely used in the fi

  •  Hebei Shengweiya Biotechnology Co,.ltd

     China (Mainland)  |  Contact Details

    Business Type:Trading Company

    Tel:+8618503271668

    Address:Zhonghua South Street

       Inquiry Now

  • 2-BROMO-1-PHENYL-PENTAN-1-ONE

  • Casno:

    49851-31-2

    2-BROMO-1-PHENYL-PENTAN-1-ONE

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0/

    R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates

    Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own comp

  •  Hangzhou Dingyan Chem Co., Ltd

     China (Mainland)  |  Contact Details

    Business Type:Manufacturers

    Tel:86-571-86465881,86-571-87157530,86-571-88025800

    Address:RM.1118,NO.1 Building, Baiyun Tower,Jianggan Area, Hangzhou city, China,310004

       Inquiry Now

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