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Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

4'-Bromovalerophenone

Cas:7295-44-5

Min.Order:1 Kilogram

FOB Price: $3.0

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

Pharmaceutical Grade CAS 7295-44-5 with competitive price

Cas:7295-44-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

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-Pentanone,1-(4-bromophenyl)-

Cas:7295-44-5

Min.Order:1 Gram

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,

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Kilogram

FOB Price: $50.0

Type:Trading Company

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

1-Pentanone,1-(4-bromophenyl)-

Cas:7295-44-5

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

1-Pentanone,1-(4-bromophenyl)-

Cas:7295-44-5

Min.Order:0

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

p-Bromovalerophenone

Cas:7295-44-5

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 p-Bromovalerophenone

Cas:7295-44-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 6 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

TIANFUCHEM--7295-44-5---4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Metric Ton

FOB Price: $5000.0

Type:Lab/Research institutions

inquiry

EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology 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 chemicals. W

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

KAISA GROUP INC

1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

p-Bromovalerophenone

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Manufacturers

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

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

GIHI CHEMICALS CO.,LIMITED

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

4'-Bromovalerophenone

Cas:7295-44-5

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-Pentanone,1-(4-bromophenyl)-

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

4'-BROMOVALEROPHENONE Application:4'-BROMOVALEROPHENONE

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Other

inquiry

BOC Sciences

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

4'-Bromovalerophenone

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

4'-Bromovalerophenone cas 7295-44-5Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

4'-Bromovalerophenone cas 7295-44-5

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Other

inquiry

Changchun Artel lmport and Export trade company

Supply top quality products with a reasonable price Application:api

7295-44-5

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

p-Bromovalerophenone

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta

4'-BROMOVALEROPHENONE

Cas:7295-44-5

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

7295-44-5

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hunan Longxianng Runhui Trading Co.,Ltd

4'-BROMOVALEROPHENONE Storage:Store in dry, dark and ventilated place. Package:On request Application:It is pharmaceutical intermediate. Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount. By air(airport to airport) or

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Chemlyte Solutions

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

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Other

inquiry

Hunan Russell Chemicals 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

p-Bromovalerophenone 7295-44-5

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

best seller Application:API

4'-BROMOVALEROPHENONE

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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

p-Bromovalerophenone 7295-44-5

Cas:7295-44-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

4-bromo-N-methoxy-N-methylbenzamide
192436-83-2

4-bromo-N-methoxy-N-methylbenzamide

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
In toluene at 20℃; for 1h;99%
bromobenzene
108-86-1

bromobenzene

n-valeryl chloride
638-29-9

n-valeryl chloride

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
With aluminium trichloride at 0 - 80℃; for 3h;85%
With aluminium trichloride In chlorobenzene at 0 - 5℃; for 1.5h;80%
With aluminium trichloride 0 deg C, 1 h then 80 deg C, 2 h;78%
n-butyl magnesium bromide
693-03-8

n-butyl magnesium bromide

4-bromo-N,N-dimethylbenzamide
18469-37-9

4-bromo-N,N-dimethylbenzamide

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
Stage #1: 4-bromo-N,N-dimethylbenzamide With 2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride In dichloromethane at -78 - 0℃; for 2h; Inert atmosphere;
Stage #2: n-butyl magnesium bromide In diethyl ether; dichloromethane at -78℃; for 2h; Inert atmosphere; chemoselective reaction;
71%
n-butyllithium
109-72-8, 29786-93-4

n-butyllithium

4-(pyrrolidinocarbonyl)phenyl bromide
5543-27-1

4-(pyrrolidinocarbonyl)phenyl bromide

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
In hexane at 20℃; for 0.00555556h;70%
butyl magnesium bromide
693-04-9

butyl magnesium bromide

4-bromo-N-methoxy-N-methylbenzamide
192436-83-2

4-bromo-N-methoxy-N-methylbenzamide

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
In tetrahydrofuran at 0℃; for 3h; Grignard reaction;
4-chlorobenzoyl chloride
586-75-4

4-chlorobenzoyl chloride

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: triethylamine / dichloromethane / 0 - 20 °C
2: hexane / 0.01 h / 20 °C
View Scheme
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

(R)-1-(4-bromophenyl)pentan-1-ol

(R)-1-(4-bromophenyl)pentan-1-ol

Conditions
ConditionsYield
Stage #1: 4'-bromovalerophenone With Dimethylphenylsilane; C28H32BNO2*CHF3O3S In toluene at 20℃; for 13h; Inert atmosphere;
Stage #2: With methanol; potassium carbonate In toluene at 20℃; for 2h; Inert atmosphere; enantioselective reaction;
99%
ethyl trifluoroacetate,
383-63-1

ethyl trifluoroacetate,

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

A

1,1,1-trifluoro-2-hexanone
360-34-9

1,1,1-trifluoro-2-hexanone

B

Ethyl 4-bromobenzoate
5798-75-4

Ethyl 4-bromobenzoate

Conditions
ConditionsYield
Stage #1: ethyl trifluoroacetate, With sodium hydride In tetrahydrofuran at 20℃; for 0.166667h; Inert atmosphere; Schlenk technique;
Stage #2: 4'-bromovalerophenone In tetrahydrofuran at 0 - 20℃; for 3h; Inert atmosphere; Schlenk technique;
Stage #3: With hydrogenchloride In tetrahydrofuran; water at 0℃; for 0.25h; Inert atmosphere; Schlenk technique;
A n/a
B 95%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

phenylboronic acid
98-80-6

phenylboronic acid

1-[1,1'-biphenyl]-4-yl-1-pentanone
42916-73-4

1-[1,1'-biphenyl]-4-yl-1-pentanone

Conditions
ConditionsYield
With potassium carbonate In ethanol; water at 20℃; for 4h; Suzuki-Miyaura coupling;94%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

ethylene glycol
107-21-1

ethylene glycol

2-(4'-bromophenyl)-2-butyl-1,3-dioxolane

2-(4'-bromophenyl)-2-butyl-1,3-dioxolane

Conditions
ConditionsYield
toluene-4-sulfonic acid In benzene for 16h; Heating / reflux; Dean-Stark apparatus;92%
4-iodobenzoic acid ethyl ester
51934-41-9

4-iodobenzoic acid ethyl ester

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

ethyl 4'-pentanoylbiphenyl-4-carboxylate
1228685-42-4

ethyl 4'-pentanoylbiphenyl-4-carboxylate

Conditions
ConditionsYield
Stage #1: 4-iodobenzoic acid ethyl ester With TurboGrignard In tetrahydrofuran at -20℃; for 0.333333h; Inert atmosphere;
Stage #2: With lithium chlorozincate In tetrahydrofuran Inert atmosphere;
Stage #3: 4'-bromovalerophenone With bis(dibenzylideneacetone)-palladium(0); ruphos In tetrahydrofuran at 25℃; for 0.0833333h; Negishi cross-coupling reaction; Inert atmosphere;
92%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

4-flourophenylmagnesium bromide
352-13-6

4-flourophenylmagnesium bromide

1-(4'-fluorobiphenyl-4-yl)pentan-1-one
1228685-44-6

1-(4'-fluorobiphenyl-4-yl)pentan-1-one

Conditions
ConditionsYield
Stage #1: 4-flourophenylmagnesium bromide With lithium chlorozincate In tetrahydrofuran at 25℃; for 0.5h; Inert atmosphere;
Stage #2: With 2-iodo-propane In tetrahydrofuran at 25℃; for 5h; Inert atmosphere;
Stage #3: 4'-bromovalerophenone With bis(dibenzylideneacetone)-palladium(0); ruphos In tetrahydrofuran at 25℃; for 0.0833333h; Negishi cross-coupling reaction; Inert atmosphere;
91%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

methyl iodide
74-88-4

methyl iodide

1-(4-bromophenyl)-2,2-dimethylpentan-1-one
1313218-11-9

1-(4-bromophenyl)-2,2-dimethylpentan-1-one

Conditions
ConditionsYield
Stage #1: 4'-bromovalerophenone With sodium hydride In tetrahydrofuran; mineral oil at 20℃; for 0.516667h;
Stage #2: methyl iodide In tetrahydrofuran; mineral oil for 3.05h; Reflux;
89%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

A

phenyl butyl ketone
1009-14-9

phenyl butyl ketone

B

1-(4-fluorophenyl)-1-pentanone
709-24-0

1-(4-fluorophenyl)-1-pentanone

Conditions
ConditionsYield
With potassium fluoride; C94H134O4P2Pd2; silver fluoride In cyclohexane at 110℃; for 14h; Sealed tube;A 0.44%
B 88%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

p-ethoxycarbonylphenylboronic acid
4334-88-7

p-ethoxycarbonylphenylboronic acid

ethyl 4'-pentanoylbiphenyl-4-carboxylate
1228685-42-4

ethyl 4'-pentanoylbiphenyl-4-carboxylate

Conditions
ConditionsYield
With palladium 10% on activated carbon; potassium carbonate In 1,4-dioxane; water for 4h; Inert atmosphere; Reflux;81%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

4-pentylbromobenzene
51554-95-1

4-pentylbromobenzene

Conditions
ConditionsYield
With potassium hydroxide; hydrazine hydrate In diethylene glycol 130 deg C, 2 h then 200 deg C, 2 h;80%
With potassium hydroxide; hydrazine hydrate In diethylene glycol at 130 - 180℃; for 6h;71%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

ethane-1,2-dithiol
540-63-6

ethane-1,2-dithiol

2-(4-bromophenyl)-2-butyl-1,3-dithiolane
361348-09-6

2-(4-bromophenyl)-2-butyl-1,3-dithiolane

Conditions
ConditionsYield
With boron trifluoride diacetate77%
bis[(trimethylsilyl)methyl](1,5-cyclooctadiene)palladium(II)
225931-80-6

bis[(trimethylsilyl)methyl](1,5-cyclooctadiene)palladium(II)

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

C53H73O2P
1570098-46-2

C53H73O2P

C64H86BrO3PPd

C64H86BrO3PPd

Conditions
ConditionsYield
In pentane at 20℃; for 24h; Inert atmosphere; Glovebox;77%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

phenylmanganese(II) chloride
71478-47-2

phenylmanganese(II) chloride

1-[1,1'-biphenyl]-4-yl-1-pentanone
42916-73-4

1-[1,1'-biphenyl]-4-yl-1-pentanone

Conditions
ConditionsYield
1,2-dimethoxyethane; bis(diphenylphosphino)propanepalladium(II) dichloride In tetrahydrofuran at 20℃; for 0.05h;75%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

N-methoxylamine hydrochloride
593-56-6

N-methoxylamine hydrochloride

C12H16BrNO

C12H16BrNO

Conditions
ConditionsYield
With sodium acetate In ethanol; water for 2h; Reflux;73%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

tributylphenylstannane
960-16-7

tributylphenylstannane

4-biphenyl-4-yl-5-propyl-[1,2,3]thiadiazole

4-biphenyl-4-yl-5-propyl-[1,2,3]thiadiazole

Conditions
ConditionsYield
Stage #1: 4'-bromovalerophenone With polystyrene-sulfonylhydrazide resin; acetic acid In tetrahydrofuran at 50℃; for 4h; Solid phase reaction;
Stage #2: tributylphenylstannane; bis-triphenylphosphine-palladium(II) chloride In N,N-dimethyl-formamide at 90℃; for 24h; Solid phase reaction; Stille reaction;
Stage #3: With thionyl chloride In 1,2-dichloro-ethane at 60℃; for 5h; Solid phase reaction; Hurd-Mori cyclization;
71%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

4,4'-Divaleryl-biphenyl

4,4'-Divaleryl-biphenyl

Conditions
ConditionsYield
With C24H38N2O6; palladium diacetate In water at 60℃; for 6h; Inert atmosphere;66%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

C63H80F5O2PPd

C63H80F5O2PPd

1-(4-fluorophenyl)-1-pentanone
709-24-0

1-(4-fluorophenyl)-1-pentanone

Conditions
ConditionsYield
With p-bromobutylbenzene In (2)H8-toluene at 20℃; for 12h; Inert atmosphere; Glovebox;66%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

N-(2,2-dimethoxyethyl)-N-methylformamide

N-(2,2-dimethoxyethyl)-N-methylformamide

C17H26BrNO4

C17H26BrNO4

Conditions
ConditionsYield
With lithium diisopropyl amide In tetrahydrofuran at 25℃; for 0.0166667h;63%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

phenylmagnesium chloride
100-59-4

phenylmagnesium chloride

1-[1,1'-biphenyl]-4-yl-1-pentanone
42916-73-4

1-[1,1'-biphenyl]-4-yl-1-pentanone

Conditions
ConditionsYield
Stage #1: phenylmagnesium chloride With titanium(IV) tetraethanolate In tetrahydrofuran at 0℃;
Stage #2: 4'-bromovalerophenone With 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride; bis(acetylacetonate)nickel(II) In tetrahydrofuran at -10℃; for 6h; Further stages.;
60%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

butyraldehyde
123-72-8

butyraldehyde

1-(4-butyrylphenyl)pentan-1-one

1-(4-butyrylphenyl)pentan-1-one

Conditions
ConditionsYield
With nickel(II) iodide; potassium phosphate; tetrakis(tetrabutylammonium)decatungstate(VI); 4,4'-di-tert-butyl-2,2'-bipyridine In acetonitrile at 20℃; for 4h; Schlenk technique; Inert atmosphere; Irradiation;60%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

bis(tri-n-butyltin)
813-19-4

bis(tri-n-butyltin)

4-tributylstannylvalerophenone

4-tributylstannylvalerophenone

Conditions
ConditionsYield
58%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

3,4-(OCH2O)-C6H3-X, X = lithium or magnesium halide

3,4-(OCH2O)-C6H3-X, X = lithium or magnesium halide

C18H18O3

C18H18O3

Conditions
ConditionsYield
Stage #1: 3,4-(OCH2O)-C6H3-X, X = lithium or magnesium halide With titanium(IV) tetraethanolate In tetrahydrofuran at 0℃;
Stage #2: 4'-bromovalerophenone With 1,3-bis[2,6-diisopropylphenyl]imidazolium chloride; bis(acetylacetonate)nickel(II) In tetrahydrofuran at -10℃; for 6h; Further stages.;
57%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

2-chloro-benzaldehyde
89-98-5

2-chloro-benzaldehyde

A

4-Bromobenzoic acid
586-76-5

4-Bromobenzoic acid

B

(E)-1-chloro-2-(pent-1-en-1-yl)benzene
14717-30-7

(E)-1-chloro-2-(pent-1-en-1-yl)benzene

C

1-(4-Bromo-phenyl)-2-[1-(2-chloro-phenyl)-meth-(E)-ylidene]-pentan-1-one

1-(4-Bromo-phenyl)-2-[1-(2-chloro-phenyl)-meth-(E)-ylidene]-pentan-1-one

Conditions
ConditionsYield
With boron trifluoride diacetate In hexane for 4h; Aldol-Grob reaction; Heating;A 54%
B n/a
C n/a
bis[(trimethylsilyl)methyl](1,5-cyclooctadiene)palladium(II)
225931-80-6

bis[(trimethylsilyl)methyl](1,5-cyclooctadiene)palladium(II)

4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

AlPhos

AlPhos

C63H80BrF4O2PPd

C63H80BrF4O2PPd

Conditions
ConditionsYield
In pentane at 20℃; for 24h; Inert atmosphere; Glovebox;47%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

(E)-1-(4-bromophenyl)pent-2-ene-1,4-dione
1172582-14-7

(E)-1-(4-bromophenyl)pent-2-ene-1,4-dione

Conditions
ConditionsYield
With oxygen; copper diacetate; palladium diacetate; trifluoroacetic acid In dimethyl sulfoxide at 80℃; for 48h;45%
4'-bromovalerophenone
7295-44-5

4'-bromovalerophenone

C64H86FO3PPd

C64H86FO3PPd

1-(4-fluorophenyl)-1-pentanone
709-24-0

1-(4-fluorophenyl)-1-pentanone

Conditions
ConditionsYield
With p-bromobutylbenzene In (2)H8-toluene at 20℃; for 12h; Inert atmosphere; Glovebox;31%

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