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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for t

1,4-Dibromobutane suppliers in China

Cas:110-52-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

1,4-Dibromobutane Basic information Product Name: 1,4-Dibromobutane Synonyms: 1,4-BUTYLENE DIBROMIDE;1,4-BUTYLENE BROMIDE;1,4-DIBROMOBUTANE;TETRAMETHYLENDIBROMID;TE

1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Kilogram

FOB Price: $100.0

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Appearance Colorless,transparent liquid Complies Content% ≥99.90

Top purity 1,4-Dibromobutane with high quality and best price cas:110-52-1

Cas:110-52-1

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Manufacturers

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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 1,4-Dibromobutane supplier in China

Cas:110-52-1

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 1,4-Dibromobutane CAS No. 110-52-1 Appearance Colorless transparent liquid

1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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EAST CHEMSOURCES LIMITED

1,4-Dibromobutane Appearance: colorless or yellow liquid Melting point: -20°C Boiling point: 197°C Flash point: Relative Density:

1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Kilogram

FOB Price: $2.0 / 3.0

Type:Manufacturers

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 1,4-dibromobutane

Cas:110-52-1

Min.Order:1

Negotiable

Type:Other

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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 Oled CAS 110-52-1 1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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

1,4-Dibromobutane

Cas:110-52-1

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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 on.O

1,4-Dibromobutane--_

Cas:110-52-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

1,4-Dibromobutane CAS 110-52-1

Cas:110-52-1

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

Top Purity CAS 110-52-1 with fast shipping

Cas:110-52-1

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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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

Hot Sell Factory Supply Raw Material 1,4-Dibromobutane CAS 110-52-1

Cas:110-52-1

Min.Order:10 Kilogram

Negotiable

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 email in t

1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Henan Sinotech Import&Export Corporation

1,4-dibromobutane Identification Product name: 1,4-

1,4-dibromobutane

Cas:110-52-1

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co. LTD. has expanded a compositive entity from initially only as a small manufacturer. The company dedicated to the development, production and marketing of chemicals. After many years of efforts, we have established stable an

1,4-Dibromobutane

Cas:110-52-1

Min.Order:1 Metric Ton

FOB Price: $1.0 / 2.0

Type:Trading Company

inquiry

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

1,4-Dibromobutane 110-52-1

Cas:110-52-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Wuhan hanweishi Pharmchem Co., Ltd(Hanways chempharm) is a specialized company concentrating on the R&D, production, marketing and technical service of APIs and pharmaceutical intermediates. The leading products range are APIs, Hormones, Peptides

Pharmaceutical Material 1,4-Dibromobutane CAS 110-52-1

Cas:110-52-1

Min.Order:100 Kilogram

FOB Price: $1.0 / 5.0

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

Product Name: 1,4-Dibromobutane Synonyms: 1,4-BUTYLENE DIBROMIDE;1,4-BUTYLENE BROMIDE;1,4-DIBROMOBUTANE;TETRAMETHYLENDIBROMID;TETRAMETHYLENE BROMIDE;TETRAMETHYLENE DIBROMIDE;1,4-Dibrombutan;1,4-dibromo-butan CAS: 110-52-1 MF: C4H8Br2 MW: 215.

1,4-Dibromobutane 110-52-1

Cas:110-52-1

Min.Order:1 Kilogram

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

1,4-Dibromobutane/CAS:110-52-1

Cas:110-52-1

Min.Order:25 Kilogram

FOB Price: $9.0 / 13.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

1,4-DibromobutaneCAS: 110-52-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermedi

1,4-DibromobutaneCAS: 110-52-1

Cas:110-52-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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 R&amp

1,4-Dibromobutane/ LIDE PHARMA- Factory supply / Best price

Cas:110-52-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

1,4-Dibromobutane CAS 110-52-1

Cas:110-52-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Mojin Biotechnology Co.,Ltd

Hebei Mojin Biological Technology Co., Ltd. is specialize in the production of chemical raw materials and reagents,located in Shijiazhuang, Hebei Province. In recent decades, under the efforts of all staff, in Shandong, Henan, Guangdong and many othe

1, 4-Dibromobutane CAS 110-52-1

Cas:110-52-1

Min.Order:1 Kilogram

FOB Price: $20.0 / 40.0

Type:Trading Company

inquiry

Lonwin Chemical Group Limited

1,4-Dibromobutane supplier CAS: 110-52-1 Specification Product Name 1,4-Dibromobutane CAS No. 110-52-1 Appearance Colorless transparent liquid Assa

Factory supply 1,4-Dibromobutane supplier

Cas:110-52-1

Min.Order:1 Kilogram

Negotiable

Type:Other

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

1,4-Dibromobutane

Cas:110-52-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Triumph International Development Limilted

Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By

1,4-Dibromobutane

Cas:110-52-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Wuhan Zenuo Biological Medicine Technology Co Ltd

Product Name: 1,4-Dibromobutane Synonyms: 1,4-BUTYLENE DIBROMIDE;1,4-BUTYLENE BROMIDE;1,4-DIBROMOBUTANE;TETRAMETHYLENDIBROMID;TETRAMETHYLENE BROMIDE;TETRAMETHYLENE DIBROMIDE;1,4-Dibrombutan;1,4-dibromo-butan CAS: 110-52-1 MF: C4H8Br2 MW: 2

1,4-Dibromobutane 99% Manufactuered in China best quality

Cas:110-52-1

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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

1,4-Dibromobutane

Cas:110-52-1

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

Afine Chemicals Limited

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

1,4-DIBROMOBUTANE

Cas:110-52-1

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

tetrahydrofuran
109-99-9

tetrahydrofuran

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With 1,2-dibromo-1,1,2,2-tetrachloroethane; triphenylphosphine In dichloromethane at 20℃; for 0.15h; Appel Halogenation;95%
With carbon tetrabromide; triphenylphosphine In chloroform at 20℃; for 240h;93%
With 2,2,2-tribromo-1,3,2-benzodioxaphosphole In chloroform86%
cyclopropylcarbinyl bromide
7051-34-5

cyclopropylcarbinyl bromide

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With water; boron tribromide In dichloromethane at 23℃; for 23h; regioselective reaction;87%
With hydrogen bromide at 170℃; im Rohr;
tetrahydrofuran
109-99-9

tetrahydrofuran

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

4-bromobutyl phosphite
42023-34-7

4-bromobutyl phosphite

Conditions
ConditionsYield
With hydrogen bromide; phosphorus tribromide at 80℃; for 0.666667h;A 85%
B 4%
With hydrogen bromide; phosphorus tribromide at 80℃; for 0.666667h;A 27%
B 53%
Butane-1,4-diol
110-63-4

Butane-1,4-diol

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With sulfuric acid; sodium bromide In water for 3h; Heating;84.8%
With hydrogen bromide at 130℃;
With sulfuric acid; hydrogen bromide
4-methoxy-phenol
150-76-5

4-methoxy-phenol

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

1-(4-methoxyphenoxy)-4-bromobutane
2033-83-2

1-(4-methoxyphenoxy)-4-bromobutane

Conditions
ConditionsYield
A n/a
B 82%
1,4-bis-isopentyloxy-butane
873988-92-2

1,4-bis-isopentyloxy-butane

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

1-bromo-4-isopentyloxy-butane
51748-48-2

1-bromo-4-isopentyloxy-butane

Conditions
ConditionsYield
With hydrogen bromide
Cyclopropylmethanol
2516-33-8

Cyclopropylmethanol

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With hydrogen bromide
4-bromophenyl butyl ether
1200-03-9

4-bromophenyl butyl ether

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With hydrogen bromide
1,4-diphenoxybutane
3459-88-9

1,4-diphenoxybutane

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With hydrogen bromide
With hydrogen bromide at 130 - 140℃; im Rohr;
uvariadiamide
31991-78-3

uvariadiamide

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With phosphorus pentabromide
With bromine; phosphorus trichloride
With phosphorus pentabromide im Vakuum;
tetrahydrofuran
109-99-9

tetrahydrofuran

methanesulfonyl bromide
41138-92-5

methanesulfonyl bromide

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

4,4'-dibromo-di-n-butyl ether
7239-41-0

4,4'-dibromo-di-n-butyl ether

C

busulfan
55-98-1

busulfan

D

1-bromo-4-methanesulfonyloxy-butane
40671-33-8

1-bromo-4-methanesulfonyloxy-butane

Conditions
ConditionsYield
zinc(II) chloride at 75℃; for 5h;
1-bromo-butane
109-65-9

1-bromo-butane

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

1,1-dibromobutane
62168-25-6

1,1-dibromobutane

C

1,3-dibromobutane
107-80-2

1,3-dibromobutane

Conditions
ConditionsYield
With N-Bromosuccinimide In dichloromethane at 15℃; Product distribution; Irradiation; CH2CCl2; influence of additive - BrCCl3;
trifluoro-acetic acid, 1,4-butanediyl ester
31528-89-9

trifluoro-acetic acid, 1,4-butanediyl ester

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With lithium bromide In tetrahydrofuran; N,N,N,N,N,N-hexamethylphosphoric triamide for 4h; Heating; Yield given;
2-(ω-bromobutylthio)-4,6-dimethylpyrimidine
15018-33-4

2-(ω-bromobutylthio)-4,6-dimethylpyrimidine

A

thiophene
110-01-0

thiophene

B

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

C

2-bromo-4,6-dimethylpyrimidine
16879-39-3

2-bromo-4,6-dimethylpyrimidine

D

1,4-bis(4',6'-dimethylpyrimidinyl-2'-thio)butane
14961-47-8

1,4-bis(4',6'-dimethylpyrimidinyl-2'-thio)butane

Conditions
ConditionsYield
at 165 - 205℃; under 15 Torr; Further byproducts given;A 2.5 g
B 4.8 g
C 8.5 g
D 9.5 g
at 165 - 205℃; under 15 Torr;A 2.5 g
B 4.8 g
C 8.5 g
D 9.5 g
tetrahydrofuran
109-99-9

tetrahydrofuran

hydrogen bromide
10035-10-6, 12258-64-9

hydrogen bromide

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

n-benzoylpyrrolidine
3389-54-6

n-benzoylpyrrolidine

phosphorus pentabromide
7789-69-7

phosphorus pentabromide

A

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

B

benzonitrile
100-47-0

benzonitrile

Conditions
ConditionsYield
Beim Erwaermen und nachfolgendem Destillieren des Reaktionsprodukts im Vakuum.;
adipate silver

adipate silver

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With tetrachloromethane; bromine
butanediol-(1.4)-diisopentyl ether

butanediol-(1.4)-diisopentyl ether

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
With hydrogen bromide
pseudobutylene bromide

pseudobutylene bromide

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Conditions
ConditionsYield
at 220 - 230℃; im Rohr;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

bis(phenylsulfonyl)methane
3406-02-8

bis(phenylsulfonyl)methane

1,1-bis(benzenesulphonyl)cyclopentane
88073-51-2

1,1-bis(benzenesulphonyl)cyclopentane

Conditions
ConditionsYield
tetrabutylammomium bromide In sodium hydroxide at 25 - 30℃; for 3h;100%
With sodium hydride In N,N-dimethyl-formamide at 70 - 80℃; for 1h;88%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

tert‐butyl 3‐aminopiperidine‐1‐carboxylate
144243-24-3

tert‐butyl 3‐aminopiperidine‐1‐carboxylate

1-(tert-butoxycarbonyl)-3-(1-pyrrolidinyl)piperidine
144243-26-5

1-(tert-butoxycarbonyl)-3-(1-pyrrolidinyl)piperidine

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 55℃; for 72h;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

p-chlorobenzyl cyanide
140-53-4

p-chlorobenzyl cyanide

1-(4-chlorophenyl)cyclopentane-1-carbonitrile
64399-26-4

1-(4-chlorophenyl)cyclopentane-1-carbonitrile

Conditions
ConditionsYield
With sodium hydride In diethyl ether; dimethyl sulfoxide; mineral oil at 0 - 20℃; for 3.5h; Solvent; Temperature;100%
Stage #1: p-chlorobenzyl cyanide With sodium hydride In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 0 - 20℃; Inert atmosphere;
82%
Stage #1: p-chlorobenzyl cyanide With sodium hydroxide In N,N-dimethyl-formamide for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 50 - 55℃; for 4h;
76%
Stage #1: p-chlorobenzyl cyanide With sodium hydroxide In N,N-dimethyl-formamide for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 50 - 55℃; for 4h;
76%
With sodium hydride In diethyl ether; dimethyl sulfoxide61%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

methyl 3-oxonon-8-ene-1-carboxylate
128738-23-8

methyl 3-oxonon-8-ene-1-carboxylate

methyl 1-hept-6-enoylcyclopentanecarboxylate
171925-00-1

methyl 1-hept-6-enoylcyclopentanecarboxylate

Conditions
ConditionsYield
With potassium carbonate In dimethyl sulfoxide Ambient temperature;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

pyrrolidin-1-ol
5904-62-1

pyrrolidin-1-ol

Conditions
ConditionsYield
With hydroxylamine hydrochloride; triethylamine for 1.5h; Heating;100%
With hydroxylamine hydrochloride; triethylamine for 1h; Heating;
With hydroxylamine hydrochloride; triethylamine for 1h; Inert atmosphere; Reflux;
Wang-benzaldehyde resin, imine with glycine ethyl ester

Wang-benzaldehyde resin, imine with glycine ethyl ester

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

1-amino-cyclopentanecarboxylic acid ethyl ester hydrochloride
22649-37-2

1-amino-cyclopentanecarboxylic acid ethyl ester hydrochloride

Conditions
ConditionsYield
Stage #1: Wang-benzaldehyde resin, imine with glycine ethyl ester; 1,4-dibromo-butane In 1-methyl-pyrrolidin-2-one for 1h;
Stage #2: With tert-butylimino-tri(pyrrolidino)phosphorane In 1-methyl-pyrrolidin-2-one at 20℃; for 14h;
Stage #3: With hydrogenchloride In tetrahydrofuran for 5h;
100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

tri-n-butyl phosphite
102-85-2

tri-n-butyl phosphite

dibutyl(4-bromobutyl)phosphonate

dibutyl(4-bromobutyl)phosphonate

Conditions
ConditionsYield
at 118℃; for 6h;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

(4-bromo-2-fluorophenyl)acetonitrile
114897-91-5

(4-bromo-2-fluorophenyl)acetonitrile

2-(4-bromo-2-chloro-phenyl)-2-methyl-propionitrile(4-bromo-2-fluorophenyl)acetonitrile
749930-45-8

2-(4-bromo-2-chloro-phenyl)-2-methyl-propionitrile(4-bromo-2-fluorophenyl)acetonitrile

Conditions
ConditionsYield
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride In water at 50℃; for 3h;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

1-(4-iodo-phenoxymethyl)-cyclopropylamine
868609-61-4

1-(4-iodo-phenoxymethyl)-cyclopropylamine

1-[1-(4-brom-phenoxymethyl)-cyclopropyl]-pyrrolidine
868609-62-5

1-[1-(4-brom-phenoxymethyl)-cyclopropyl]-pyrrolidine

Conditions
ConditionsYield
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 80℃; for 24h;100%
With potassium carbonate In DMF (N,N-dimethyl-formamide) at 80℃; for 24h;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

tetrahydropyridazine dihydrochloride
89990-53-4, 124072-89-5

tetrahydropyridazine dihydrochloride

Conditions
ConditionsYield
Stage #1: t-butoxycarbonylhydrazine With sodium hydride In N,N-dimethyl-formamide at 0 - 20℃; for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide
Stage #3: With hydrogenchloride In 1,4-dioxane; diethyl ether at 20℃; for 1h;
100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

(+)-(aR)-7,7'-dihydroxy-8,8'-biquinolyl
914288-77-0, 914288-78-1, 829666-42-4

(+)-(aR)-7,7'-dihydroxy-8,8'-biquinolyl

C22H18N2O2
1062259-42-0

C22H18N2O2

Conditions
ConditionsYield
Stage #1: (-)-(aS)-7,7'-dihydroxy-8,8'-biquinolyl With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.416667h; Williamson synthesis;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; for 42h; Williamson synthesis;
100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

4-amino-o-xylene
95-64-7

4-amino-o-xylene

1-(3,4-dimethylphenyl)pyrrolidine

1-(3,4-dimethylphenyl)pyrrolidine

Conditions
ConditionsYield
With sodium dodecyl-sulfate; sodium hydrogencarbonate In water at 80℃; for 1h; Inert atmosphere;100%
With potassium carbonate; potassium iodide In N,N-dimethyl-formamide at 80℃; for 24h; Inert atmosphere;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

pyridine-2-acetonitrile
2739-97-1

pyridine-2-acetonitrile

1-(pyridin-2-yl)cyclopentanecarbonitrile
400727-04-0

1-(pyridin-2-yl)cyclopentanecarbonitrile

Conditions
ConditionsYield
With sodium hydride In diethyl ether; dimethyl sulfoxide; mineral oil at 15 - 20℃; for 25h; Inert atmosphere;100%
Stage #1: pyridine-2-acetonitrile With lithium diisopropyl amide In tetrahydrofuran at -78℃; for 0.666667h;
Stage #2: 1,4-dibromo-butane In tetrahydrofuran at -78 - 20℃; for 10h;
96%
With sodium hydride In diethyl ether; dimethyl sulfoxide at 0 - 20℃; for 4.5h;82%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

methyl 3,5-difluorobenzoate

methyl 3,5-difluorobenzoate

1-(3,5-difluorophenyl)cyclopentanol
1344015-79-7

1-(3,5-difluorophenyl)cyclopentanol

Conditions
ConditionsYield
Stage #1: 1,4-dibromo-butane With magnesium In tetrahydrofuran at 0 - 20℃; for 1h;
Stage #2: methyl 3,5-difluorobenzoate In tetrahydrofuran at 0 - 20℃; for 1h;
Stage #3: With ammonium chloride In tetrahydrofuran
100%
Stage #1: 1,4-dibromo-butane With magnesium In tetrahydrofuran at 0 - 20℃; for 1h;
Stage #2: methyl 3,5-difluorobenzoate In tetrahydrofuran at 0 - 20℃; for 1h;
100%
Stage #1: 1,4-dibromo-butane With magnesium In tetrahydrofuran at 0 - 20℃; Inert atmosphere;
Stage #2: methyl 3,5-difluorobenzoate In tetrahydrofuran at 0 - 20℃; for 1h; Inert atmosphere;
100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

dimethyl amine
124-40-3

dimethyl amine

N,N,N',N'-tetramethyl-1,4-butanediamine
111-51-3

N,N,N',N'-tetramethyl-1,4-butanediamine

Conditions
ConditionsYield
In tetrahydrofuran at 0 - 20℃; for 24h;100%
In chloroform at 20℃; for 24h;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

Tocopherol
59-02-9

Tocopherol

(R)-6-(4-bromobutoxy)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman
1451385-71-9

(R)-6-(4-bromobutoxy)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyltridecyl)chroman

Conditions
ConditionsYield
With tetrabutylammomium bromide; potassium hydroxide In tetrahydrofuran; water at 0 - 20℃; Inert atmosphere; Darkness;100%
Stage #1: Tocopherol With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h; Inert atmosphere;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; Inert atmosphere;
50%
Stage #1: Tocopherol With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 1h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃;
47%
2-hydroxypyridin
142-08-5

2-hydroxypyridin

1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

C14H16N2O2
82791-51-3

C14H16N2O2

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 20℃; for 5.5h;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

N-(tert-butoxycarbonyl)-N'-(2-nitrobenzenesulfonyl)-1,3-propanediamine
240423-18-1

N-(tert-butoxycarbonyl)-N'-(2-nitrobenzenesulfonyl)-1,3-propanediamine

C32H48N6O12S2

C32H48N6O12S2

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; caesium carbonate In acetonitrile at 0 - 60℃; for 2h; Inert atmosphere;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

4-chloro-3-fluorophenol
348-60-7

4-chloro-3-fluorophenol

4-(4-bromobutoxy)-1-chloro-2-fluorobenzene

4-(4-bromobutoxy)-1-chloro-2-fluorobenzene

Conditions
ConditionsYield
With potassium carbonate In acetone Reflux;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

4-chloro-2-fluorophenol
348-62-9

4-chloro-2-fluorophenol

4-(4-bromobutoxy)-1-chloro-3-fluorobenzene

4-(4-bromobutoxy)-1-chloro-3-fluorobenzene

Conditions
ConditionsYield
With potassium carbonate In acetone Reflux;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

salicylonitrile
611-20-1

salicylonitrile

2-(4-bromobutoxy)benzonitrile

2-(4-bromobutoxy)benzonitrile

Conditions
ConditionsYield
With potassium carbonate In acetone Reflux;100%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

3,3'-dinitro-[1,1'-biphenyl]-4,4’-diol
66041-61-0

3,3'-dinitro-[1,1'-biphenyl]-4,4’-diol

C20H22Br2N2O6

C20H22Br2N2O6

Conditions
ConditionsYield
Stage #1: 3,3'-dinitro-[1,1'-biphenyl]-4,4’-diol With potassium carbonate In tetrahydrofuran Inert atmosphere; Reflux;
Stage #2: 1,4-dibromo-butane In tetrahydrofuran for 24h; Inert atmosphere; Reflux;
99.6%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

N,N'-bis(4-methoxyphenyl)iminoformamide
1152-75-6, 141417-87-0

N,N'-bis(4-methoxyphenyl)iminoformamide

C19H24N2O3

C19H24N2O3

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃;99.4%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

methyl 4-{[4-(methoxycarbonyl)phenyl]-amino}methyleneaminobenzoate
67126-75-4

methyl 4-{[4-(methoxycarbonyl)phenyl]-amino}methyleneaminobenzoate

C21H24N2O5

C21H24N2O5

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃;99.4%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

gentitein
529-49-7

gentitein

C17H15BrO5

C17H15BrO5

Conditions
ConditionsYield
Stage #1: gentitein With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; for 20h;
99.3%
Stage #1: gentitein With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

7-chloro-1,3-dihydroxy-9H-xanthen-9-one
100334-95-0

7-chloro-1,3-dihydroxy-9H-xanthen-9-one

C17H14BrClO4

C17H14BrClO4

Conditions
ConditionsYield
Stage #1: 7-chloro-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; for 20h;
99.2%
Stage #1: 7-chloro-1,3-dihydroxy-9H-xanthen-9-one With potassium carbonate In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: 1,4-dibromo-butane In N,N-dimethyl-formamide at 20℃; for 12.5h;
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

C17H16N2O4

C17H16N2O4

C21H24N2O5

C21H24N2O5

Conditions
ConditionsYield
With potassium carbonate In acetonitrile at 100℃;99.1%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

9H-fluorene
86-73-7

9H-fluorene

Spirofluorene>
14966-37-1

Spirofluorene>

Conditions
ConditionsYield
Stage #1: 9H-fluorene With n-butyllithium In tetrahydrofuran at -78℃; for 0.75h;
Stage #2: 1,4-dibromo-butane In tetrahydrofuran at -78 - 20℃; for 4h;
99%
With potassium tert-butylate In dimethyl sulfoxide for 2h; cooled (water bath);
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

butane-1,4-diyl bis(N,N-dimethyl-N-hexadecylammonium) dibromide
29908-17-6

butane-1,4-diyl bis(N,N-dimethyl-N-hexadecylammonium) dibromide

Conditions
ConditionsYield
In ethanol at 80℃; for 48h;99%
In acetonitrile for 0.5h; Heating;94%
In ethanol; ethyl acetate for 48h; Reflux; Inert atmosphere;59%
1,4-dibromo-butane
110-52-1

1,4-dibromo-butane

(1R,2S)-norephedrine
492-41-1

(1R,2S)-norephedrine

(1R,2S)-1-phenyl-2-(1-pyrrolidinyl)-1-propanol
56571-91-6, 56571-92-7, 123620-80-4, 127641-25-2

(1R,2S)-1-phenyl-2-(1-pyrrolidinyl)-1-propanol

Conditions
ConditionsYield
With potassium carbonate In acetonitrile for 24h; Heating;99%
With sodium hydrogencarbonate In toluene at 110 - 118℃; for 20h;97%
With sodium hydrogencarbonate In toluene for 32h; Heating;97%
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