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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

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality 7-Bromo-3,4-Dihydronaphthalen-1(2H)-One supplier in China

Cas:32281-97-3

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

High quality 7-Bromo-1-tetralone CAS 32281-97-3 with factory price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed ad

High quality 7-Bromo-1-tetralone CAS 32281-97-3 with factory price

Cas:32281-97-3

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

Good quality Good price Promptly delivery Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of custom Application:intermediate Transportation:Acco

32281-97-37-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

High Quality 99% 32281-97-3 7-Bromo-1-tetralone Manufacturer

Cas:32281-97-3

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

7-Bromo-1-tetralone CAS 32281-97-3

Cas:32281-97-3

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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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

Factory direct supply CAS 32281-97-3 with best quality

Cas:32281-97-3

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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 We can also provide MT1 peptide powd

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: 7-Bromo-1-tetralone Synonyms: 7-bromo-3,4-dihydronaphthalen-1(2H)-one CAS:32281-97-3 MF: C10H9BrO Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Syntheses Material Int

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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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

1(2H)-Naphthalenone,7-bromo-3,4-dihydro- 32281-97-3

Cas:32281-97-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

1(2H)-Naphthalenone,7-bromo-3,4-dihydro-/ LIDE PHARMA- Factory supply / Best price

Cas:32281-97-3

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

7-Bromo-1-tetralone Chemical Properties Melting point 78 °C Boiling point 157°C/8mmHg(lit.) density 1.511±0.06 g/cm3(Predicted) storage temp. 2-8°C λmax 305nm(EtOH)(lit.) CAS DataBase Reference 32281-97

7-Bromo-1-tetralone

Cas:32281-97-3

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.:32281-97-3

Cas:32281-97-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

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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

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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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 7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:0 Metric Ton

Negotiable

Type:Other

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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

7-bromo-3,4-dihydronaphthalen-1(2H)-one

Cas:32281-97-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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Henan Tianfu Chemical Co., Ltd.

1(2H)-Naphthalenone,7-bromo-3,4-dihydro- 7-BROO-3,4-DIHYDRO-2H-NAPHTHALEN-1-ONE; 6-chloro-2,3-dihydrobenzo [b] [1,4] dioxine; 7-bromo-1-oxo- 4-tetrahydronaphthalene; 7-BROMOTETRALONE; 7-Bromo-3,4-dihydronapthalen-1 (2H) -one; CAS No.: 32281

32281-97-3

Cas:32281-97-3

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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,

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

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,

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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

7-Bromo-1-tetralone

Cas:32281-97-3

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

7-Bromo-1-tetralone

Cas:32281-97-3

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

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Metric Ton

FOB Price: $1.5

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

Melting point 78 °C Boiling point 157 °C/8mmHg(lit.) Storage Conditions 2-8 °C Maximum wavelength (lambda max) 305 nm (EtOH) (lit.) Appearance:Detailed see specifications Storage:2-8 °C Package:According to client's re

7-Bromo-1-tetralone supplier

Cas:32281-97-3

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Zhongqi chem Co.,Ltd.

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Benefiting from the outstanding customer service and h

1(2H)-Naphthalenone,7-bromo-3,4-dihydro-

Cas:32281-97-3

Min.Order:0

Negotiable

Type:Other

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 custom synthe

SAGECHEM/7-BROMO-3,4-DIHYDRO-1(2H)-NAPHTHALENONE

Cas:32281-97-3

Min.Order:0

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

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Golden Pharma Co., Limited

GOLDEN PHARMA CO.,LIMITED.is a professional pharmaceutical company,our team have more than 20years expereince in pharmaceutical production and sales. we are a professional technical enterprise specializing in the R & D, production,QA regulation

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Kilogram

Negotiable

Type:Other

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

7-Bromo-1-tetralone

Cas:32281-97-3

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Trading Company

inquiry

Synthetic route

4-(4-bromophenyl)butanoic acid
35656-89-4

4-(4-bromophenyl)butanoic acid

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
With PPA at 90℃; for 0.25h;100%
With PPA at 90℃; for 2h;95%
With phosphorus pentoxide In toluene at 110℃; for 2h; Temperature; Time;95%
7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol
75693-15-1

7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
With acetic acid; 1,1'-(phenyl-l3-iodanediyl)bis(pyridinium)trifluoromethanesulfonate In 1,2-dichloro-ethane at 60℃; for 1.5h; Inert atmosphere; Molecular sieve; chemoselective reaction;95%
With pivalaldehyde In toluene at 40℃; for 0.5h; Flow reactor;90%
4-(4-bromophenyl)-butyryl chloride
6628-03-1

4-(4-bromophenyl)-butyryl chloride

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
With Fe-Al-MCM-41 molecular sieve In toluene at 60℃; for 18h; Green chemistry;84%
With carbon disulfide; aluminium trichloride at 0℃;
3,4-dihydronaphthalene-1(2H)-one
529-34-0

3,4-dihydronaphthalene-1(2H)-one

A

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

B

5-bromo-1-tetralone
68449-30-9

5-bromo-1-tetralone

Conditions
ConditionsYield
With bromine; aluminum (III) chloride at 80℃;A 42%
B 51%
With aluminum (III) chloride; bromine at 75 - 80℃; for 0.55h;A 42%
B 51%
Stage #1: 3,4-dihydronaphthalene-1(2H)-one With aluminum (III) chloride at 75 - 80℃; for 0.216667h;
Stage #2: With bromine for 0.333333h;
A 42%
B 51%
3,4-dihydronaphthalene-1(2H)-one
529-34-0

3,4-dihydronaphthalene-1(2H)-one

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Stage #1: 3,4-dihydronaphthalene-1(2H)-one; aluminum (III) chloride at 0 - 90℃; for 0.916667h;
Stage #2: With bromine at 90℃; for 1h;
40%
With bromine; aluminum (III) chloride
3,4-dihydronaphthalene-1(2H)-one
529-34-0

3,4-dihydronaphthalene-1(2H)-one

A

Reaxys ID: 11943741

Reaxys ID: 11943741

B

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

C

5-bromo-1-tetralone
68449-30-9

5-bromo-1-tetralone

Conditions
ConditionsYield
Stage #1: 3,4-dihydronaphthalene-1(2H)-one With aluminum (III) chloride Under N2;
Stage #2: With bromine at 80℃; for 0.0833333h;
A 20.9%
B 35.8%
C 28.3%
bromobenzene
108-86-1

bromobenzene

(hexacarbonyl)chromium

(hexacarbonyl)chromium

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 85 percent / aluminum chloride / 1,2-dichloro-benzene / 6 h / 83 °C
2: 82 percent / KOH; hydrazine monohydrate / triethylene glycol / 90 - 200 °C
3: 75 percent / polyphosphoric acid / 1 h / 80 °C
View Scheme
4-(4-bromophenyl)-4-oxo-butyric acid
6340-79-0

4-(4-bromophenyl)-4-oxo-butyric acid

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 82 percent / KOH; hydrazine monohydrate / triethylene glycol / 90 - 200 °C
2: 75 percent / polyphosphoric acid / 1 h / 80 °C
View Scheme
Multi-step reaction with 2 steps
1: 90 percent / potassium hydroxide; hydrazine / triethylene glycol / 2 h / Heating
2: 83 percent / polyphosphoric acid / 0.33 h / 90 °C
View Scheme
Multi-step reaction with 2 steps
1: 98 percent / KOH; H2NNH2 / triethylene glycol / 2 h / 200 °C
2: 95 percent / polyphosphoric acid / 2 h / 90 °C
View Scheme
4-(4-bromophenyl)-3-butenoic acid

4-(4-bromophenyl)-3-butenoic acid

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: hydrogen / Pd/C / tetrahydrofuran / 3 h / 20 °C / 760.21 Torr
2: P2O5; methanesulfonic acid / 12 h / 20 °C
View Scheme
C22H35BrO2Sn

C22H35BrO2Sn

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: hydrochloric acid / H2O / 0.25 h / 20 °C
2: hydrogen / Pd/C / tetrahydrofuran / 3 h / 20 °C / 760.21 Torr
3: P2O5; methanesulfonic acid / 12 h / 20 °C
View Scheme
bromobenzene
108-86-1

bromobenzene

Mg

Mg

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 85 percent / AlCl3 / 1,2-dichloro-benzene / 7 h / 95 °C
2: 98 percent / KOH; H2NNH2 / triethylene glycol / 2 h / 200 °C
3: 95 percent / polyphosphoric acid / 2 h / 90 °C
View Scheme
bromobenzene
108-86-1

bromobenzene

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 69 percent / AlCl3 / cyclohexane / 0.25 h / Heating
2: 94 percent / Clemmensen procedure
3: 100 percent / PPA / 0.25 h / 90 °C
View Scheme
Multi-step reaction with 4 steps
1: aluminium chloride
2: amalgamated zinc; aqueous hydrochloric acid; toluene / weiteres Reagens: Essigsaeure
3: thionyl chloride
4: AlCl3; carbon disulfide / 0 °C
View Scheme
Multi-step reaction with 3 steps
1.1: aluminum (III) chloride / nitrobenzene / 0.5 h / 20 °C
1.2: 60 °C
2.1: palladium 10% on activated carbon; hydrogen / acetic acid / 70 °C
3.1: polyphosphoric acid / 90 °C
View Scheme
bromobenzene
108-86-1

bromobenzene

potassium biphenylolate-(4)

potassium biphenylolate-(4)

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: AlCl3
2: Zn-Hg, aq. HCl
3: polyphosphoric acid
View Scheme
Multi-step reaction with 3 steps
1: AlCl3
2: N2H4, KOH / bis-(2-hydroxy-ethyl) ether
3: polyphosphoric acid
View Scheme
4-(3-bromophenyl)-butyric acid
899350-32-4

4-(3-bromophenyl)-butyric acid

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
With polyphosphoric acid at 90℃;
4-(3-bromophenyl)-4-oxo-butyric acid
62903-13-3

4-(3-bromophenyl)-4-oxo-butyric acid

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: palladium 10% on activated carbon; hydrogen / acetic acid / 70 °C
2: polyphosphoric acid / 90 °C
View Scheme
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol
75693-15-1

7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol

Conditions
ConditionsYield
With sodium tetrahydroborate In methanol; dichloromethane at 20 - 23℃; for 1h;100%
With methanol; sodium tetrahydroborate In dichloromethane at 20℃; for 1h;100%
With methanol; sodium tetrahydroborate at 20℃;92%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

7-bromo-N-hydroxy-3,4-dihydronaphthalen-1(2H)-imine
877263-91-7

7-bromo-N-hydroxy-3,4-dihydronaphthalen-1(2H)-imine

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In ethanol for 2h; Heating / reflux;100%
With hydroxylamine hydrochloride; sodium acetate In ethanol; water at 80℃; for 0.75h;95%
With hydroxylamine hydrochloride; sodium acetate In ethanol at 80℃; for 2h;93%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

methyl iodide
74-88-4

methyl iodide

7-bromo-2,2-dimethyl-3,4-dihydronaphthalen-1(2H)-one
148925-37-5

7-bromo-2,2-dimethyl-3,4-dihydronaphthalen-1(2H)-one

Conditions
ConditionsYield
In benzene100%
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With potassium tert-butylate In tetrahydrofuran for 6h; Reflux;
Stage #2: methyl iodide at 20 - 50℃; for 3.25h;
95%
With sodium hydride In benzene Heating;90%
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With sodium hydride In tetrahydrofuran for 1h; Cooling with ice;
Stage #2: methyl iodide In tetrahydrofuran at 20℃; for 16h;
86%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

C10H11BrN2
1260541-32-9

C10H11BrN2

Conditions
ConditionsYield
With hydrazine hydrate In ethanol for 2h; Reflux;100%
With hydrazine hydrate; triethylamine In water at 95℃; for 1h;
With hydrazine hydrate In methanol at 80℃; for 3h; Sealed tube; Inert atmosphere; Schlenk technique;
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

7-Brom-2-methoxycarbonyl-1-tetralon

7-Brom-2-methoxycarbonyl-1-tetralon

Conditions
ConditionsYield
With sodium hydride In methanol; toluene at 90℃; for 2h;100%
With potassium tert-butylate; sodium hydride at 0℃; Inert atmosphere;
With sodium hydride In mineral oil for 12h; Reflux;
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

1,7-dibromo-1,2,3,4-tetrahydronaphthalene

1,7-dibromo-1,2,3,4-tetrahydronaphthalene

Conditions
ConditionsYield
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With sodium tetrahydroborate; ethanol at 20℃;
Stage #2: With phosphorus tribromide In dichloromethane at 0 - 20℃;
100%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

ethylene glycol
107-21-1

ethylene glycol

7-Bromo-1,2,3,4-tetrahydronaphthalene-1-spiro-2'-(1',3'-dioxacyclopentane)
111773-13-8

7-Bromo-1,2,3,4-tetrahydronaphthalene-1-spiro-2'-(1',3'-dioxacyclopentane)

Conditions
ConditionsYield
With toluene-4-sulfonic acid In benzene at 105℃; for 48h;99%
With toluene-4-sulfonic acid In benzene for 24h; Heating / reflux; Dean-Stark apparatus;99%
With toluene-4-sulfonic acid In toluene for 12h; Heating;92%
With VO(OTf)2*5H2O In benzene for 12h; Reflux;83%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol
676133-23-6

7-bromo-1,2,3,4-tetrahydronaphthalen-1-ol

Conditions
ConditionsYield
With dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole In tetrahydrofuran; toluene at -25 - -15℃; for 6.3h; 4A molecular sieves;98%
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one; dimethylsulfide borane complex; (S)-1-methyl-3,3-diphenyl-hexahydropyrrolo[1,2-c][1,3,2]oxazaborole In tetrahydrofuran; toluene at -25 - -15℃; for 1.33333h;
Stage #2: With methanol In tetrahydrofuran; toluene at -20 - 20℃; for 16h;
98%
With hydrogen; C43H45ClN4Ru; sodium t-butanolate In isopropyl alcohol at 22℃; under 7500.75 Torr; for 24h; Autoclave; enantioselective reaction;98%
2,2,2-trifluoroethyl acrylate
407-47-6

2,2,2-trifluoroethyl acrylate

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

C15H12BrF3O3

C15H12BrF3O3

Conditions
ConditionsYield
With silver hexafluoroantimonate; dichloro(pentamethylcyclopentadienyl)rhodium (III) dimer; copper(II) acetate monohydrate In tert-Amyl alcohol at 20 - 100℃; for 12.33h; Schlenk technique; Sealed tube; regioselective reaction;98%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

benzaldehyde N-boc imine
150884-50-7

benzaldehyde N-boc imine

tert-butyl ((S)-((R)-7-bromo-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)(phenyl)methyl)carbamate

tert-butyl ((S)-((R)-7-bromo-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)(phenyl)methyl)carbamate

Conditions
ConditionsYield
With 1,2,2,6,6-pentamethylpiperidine; C62H26B2F26 In toluene at 22℃; for 20h; Sealed tube; Inert atmosphere; enantioselective reaction;98%
di-tert-butyl-diazodicarboxylate
870-50-8

di-tert-butyl-diazodicarboxylate

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

C20H27BrN2O5

C20H27BrN2O5

Conditions
ConditionsYield
With (R,R)-(-)-2,6-bis[2-(hydroxyldiphenylmethyl)-1-pyrrolidinyl-methyl]-4-methylphenole; diethylzinc In tetrahydrofuran at 23℃; Molecular sieve; enantioselective reaction;98%
chloro-trimethyl-silane
75-77-4

chloro-trimethyl-silane

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

((7-bromo-3,4-dihydronaphthalen-1-yl)oxy)trimethylsilane
309929-09-7

((7-bromo-3,4-dihydronaphthalen-1-yl)oxy)trimethylsilane

Conditions
ConditionsYield
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With triethylamine at 20℃; for 0.25h; Inert atmosphere;
Stage #2: chloro-trimethyl-silane for 0.666667h; Inert atmosphere;
Stage #3: With sodium iodide In acetonitrile at 40℃; for 2h;
96%
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With lithium diisopropyl amide In tetrahydrofuran; hexane at -78℃; for 2h; Metallation;
Stage #2: chloro-trimethyl-silane In tetrahydrofuran; hexane at -78 - 20℃; for 2h; Substitution; Silylation;
92%
With triethylamine; sodium iodide In acetonitrile at 20℃; for 0.5h; Inert atmosphere;69%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

4-bromo-benzaldehyde
1122-91-4

4-bromo-benzaldehyde

(E)-7-bromo-2-(4-bromobenzylidene)-1-tetralone
1039020-10-4

(E)-7-bromo-2-(4-bromobenzylidene)-1-tetralone

Conditions
ConditionsYield
With potassium hydroxide In methanol at 20℃; for 48h;96%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

4-Phenylbenzaldehyde
3218-36-8

4-Phenylbenzaldehyde

(E)-2-(biphenyl-4-ylmethylene)-7-bromo-1-tetralone
1039020-19-3

(E)-2-(biphenyl-4-ylmethylene)-7-bromo-1-tetralone

Conditions
ConditionsYield
With potassium hydroxide In methanol at 20℃; for 48h;96%
2-diazo-3-phenyl-propionic acid ethyl ester
15626-54-7

2-diazo-3-phenyl-propionic acid ethyl ester

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

ethyl 2-(2-(7-bromo-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)hydrazono)-3-phenylpropanoate

ethyl 2-(2-(7-bromo-1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)hydrazono)-3-phenylpropanoate

Conditions
ConditionsYield
Stage #1: 7-bromo-3,4-dihydro-2H-naphthalen-1-one With C43H64N4O4; lithium carbonate; scandium tris(trifluoromethanesulfonate) In dichloromethane at 20℃; for 0.0833333h; Inert atmosphere;
Stage #2: 2-diazo-3-phenyl-propionic acid ethyl ester In dichloromethane at 20℃; Inert atmosphere; optical yield given as %ee; enantioselective reaction;
96%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

4-methoxy-benzaldehyde
123-11-5

4-methoxy-benzaldehyde

C18H15BrO2

C18H15BrO2

Conditions
ConditionsYield
With potassium hydroxide In methanol; water at 25℃; for 28h;96%
N,N-phenylbistrifluoromethane-sulfonimide
37595-74-7

N,N-phenylbistrifluoromethane-sulfonimide

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

7-bromo-3,4-dihydronaphthalen-1-yl trifluoromethanesulfonate

7-bromo-3,4-dihydronaphthalen-1-yl trifluoromethanesulfonate

Conditions
ConditionsYield
With potassium hexamethylsilazane In tetrahydrofuran; toluene at -78 - 20℃; Inert atmosphere;96%
carbon monoxide
201230-82-2

carbon monoxide

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

butan-1-ol
71-36-3

butan-1-ol

7-butoxycarbonyl-α-tetralone

7-butoxycarbonyl-α-tetralone

Conditions
ConditionsYield
With bis-triphenylphosphine-palladium(II) chloride In triethylamine; N,N-dimethyl-formamide at 80℃; under 2068.6 Torr;95%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

6-bromo-1,2,3,4-tetrahydronaphthalene
6134-56-1

6-bromo-1,2,3,4-tetrahydronaphthalene

Conditions
ConditionsYield
With triethylsilane In trifluoroacetic acid at 20℃;95%
With triethylsilane; trifluoroacetic acid at 20 - 50℃; for 4h;94%
With indium(III) chloride; dimethylmonochlorosilane In dichloromethane at 0℃; for 14h;32%
With triethylsilane; trifluoroacetic acid at 0 - 35℃;
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

(E)-7-bromo-3,4-dihydronaphthalene-1(2H)-oneoxime

(E)-7-bromo-3,4-dihydronaphthalene-1(2H)-oneoxime

Conditions
ConditionsYield
With hydroxylamine hydrochloride; sodium acetate In ethanol for 2h; Reflux;95%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

dimethyl sulfoxide
67-68-5

dimethyl sulfoxide

2-(7-bromo-1,4-naphthoquinone)methyl sulfide

2-(7-bromo-1,4-naphthoquinone)methyl sulfide

Conditions
ConditionsYield
With iodine at 80℃; for 12h; Inert atmosphere;95%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

N,N-dimethyl-formamide
68-12-2, 33513-42-7

N,N-dimethyl-formamide

7-bromo-1-chloro-3,4-dihydronaphthalene-2-aldehyde
283177-40-2

7-bromo-1-chloro-3,4-dihydronaphthalene-2-aldehyde

Conditions
ConditionsYield
With trichlorophosphate In Trichloroethylene at 60 - 70℃; for 6h; Chlorination;94%
With trichlorophosphate Vilsmeier-Haack Formylation;
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

Methyltriphenylphosphonium bromide
1779-49-3

Methyltriphenylphosphonium bromide

7-bromo-1-methylene-1,2,3,4-tetrahydronaphthalene
740842-57-3

7-bromo-1-methylene-1,2,3,4-tetrahydronaphthalene

Conditions
ConditionsYield
Stage #1: Methyltriphenylphosphonium bromide With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere;
Stage #2: 7-bromo-3,4-dihydro-2H-naphthalen-1-one In tetrahydrofuran at 20℃; Inert atmosphere;
93%
Stage #1: Methyltriphenylphosphonium bromide With n-butyllithium In tetrahydrofuran at -45℃; for 1h;
Stage #2: 7-bromo-3,4-dihydro-2H-naphthalen-1-one In tetrahydrofuran at -45 - 20℃;
52%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

7-Bromo-1,2,3,4-tetrahydronaphthalene-1-spiro-2'-(1',3'-dioxacyclopentane)
111773-13-8

7-Bromo-1,2,3,4-tetrahydronaphthalene-1-spiro-2'-(1',3'-dioxacyclopentane)

Conditions
ConditionsYield
With toluene-4-sulfonic acid In toluene Dean Stark;92%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

benzaldehyde
100-52-7

benzaldehyde

7-benzylidene-2-bromo-α-tetralone
116047-27-9

7-benzylidene-2-bromo-α-tetralone

Conditions
ConditionsYield
With potassium hydroxide In methanol at 20℃; for 48h;92%
With potassium hydroxide In methanol; water at 20℃; for 12h;91%
potassium cyanide

potassium cyanide

7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

ammonium carbonate
506-87-6

ammonium carbonate

7'-bromo-3',4'-dihydro-2'H-spiro[imidazolidine-4,1'-naphthalene]-2,5-dione
1338093-88-1

7'-bromo-3',4'-dihydro-2'H-spiro[imidazolidine-4,1'-naphthalene]-2,5-dione

Conditions
ConditionsYield
Stage #1: potassium cyanide; 7-bromo-3,4-dihydro-2H-naphthalen-1-one; ammonium carbonate With sodium hydrogensulfite In ethanol at 130℃; for 24h;
Stage #2: With hydrogenchloride In ethanol; water pH=~ 2;
92%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

N-(but-3-en-1-yloxy)carbamic acid 1,1-dimethylethyl ester
635757-93-6

N-(but-3-en-1-yloxy)carbamic acid 1,1-dimethylethyl ester

C19H25NO4

C19H25NO4

Conditions
ConditionsYield
With bis(3,5,3′,5′-dimethoxydibenzylideneacetone)palladium(0); C42H68NO3PS; caesium carbonate In tert-butyl methyl ether at 30℃; for 48h; Inert atmosphere; enantioselective reaction;91%
7-bromo-3,4-dihydro-2H-naphthalen-1-one
32281-97-3

7-bromo-3,4-dihydro-2H-naphthalen-1-one

toluene-4-sulfonic acid hydrazide
1576-35-8

toluene-4-sulfonic acid hydrazide

C17H17BrN2O2S

C17H17BrN2O2S

Conditions
ConditionsYield
With toluene-4-sulfonic acid In methanol for 7h;90%

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