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Huaian Yishu techonology Co.,Ltd

Product Name Trans-1, 4-Dibromo-2-Butene CAS No 821-06-7 Formula C4H6Br2 - Structural Formula

Trans-1, 4-Dibromo-2-Butene

Cas:821-06-7

Min.Order:5 Kilogram

Negotiable

Type:Manufacturers

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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 services. DayangChem can provide different quantities of custom synthesis ch

(E)-1,4-Dibromobut-2-ene Manufacturer/High quality/Best price/In stock

Cas:821-06-7

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 1,4-Dibromo-2-Butene supplier in China

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name trans-1,4-Dibromo-2-butene CAS No. 821-06-7

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

ISO Best Service: 1.Sticking to such policy of quality first, customer first; 2.Honest business as number one priority, and work for meeting your demands. 3.With the newest quality, and best service. 5.The most strict management system i

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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 (E)-1,4-dibromobut-2-ene

Cas:821-06-7

Min.Order:1

Negotiable

Type:Other

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EAST CHEMSOURCES LIMITED

Used as an intermediate in organic synthesis. Appearance:White crystal solid Storage:Stored in the ventilated, low temperature and dry room away from direct sunlight. Package:25kg/drum Application:Used as an intermediate in organic synthesis. Port

Trans-1,4-dibromo-2-butene / (E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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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

(E)-1,4-Dibromo-2-butene

Cas:821-06-7

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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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 R&amp

(E)-1,4-Dibromobut-2-ene / LIDE PHARMA- Factory supply / Best price

Cas:821-06-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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.

TIANFU CHEM 821-06-7 (E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

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

New production CAS 821-06-7 with best quality

Cas:821-06-7

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

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:10 Kilogram

FOB Price: $80.0 / 100.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name trans-1,4-dibromo-2-butene Synonyms (e)-1,4-dibromobut-2-ene; 1,4-dibromo-2-butene; (E)-1,4-Dibromo-2-butene; 1,4-dibromo-, trans-; Dibromobutene; trans-1,4-Dibromobut-2-ene; 1,4-trans-Dibromobu

(E)-1,4-Dibromo-2-butene

Cas:821-06-7

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

2-Butene, 1,4-dibromo-,(2E)- 821-06-7

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Qingdao Beluga Import and Export Co., LTD

(E)-1,4-Dibromobut-2-ene CAS:821-06-7 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 in

(E)-1,4-Dibromobut-2-ene CAS:821-06-7

Cas:821-06-7

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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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

2-Butene, 1,4-dibromo-,(2E)-

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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.:821-06-7

Cas:821-06-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Xiamen Hisunny Chemical Co.,Ltd

Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia

1,4-Dibromo-2-Butene

Cas:821-06-7

Min.Order:0

Negotiable

Type:Manufacturers

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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

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

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

821-06-7

Cas:821-06-7

Min.Order:1 Gram

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

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Saiwante (shanghai) New Material Technology Co., Ltd.

Appearance/Colour:white to light yellow crystal powder Melting Point:48-51 °C(lit.) Refractive Index:1.5361 (estimate) Boiling Point:203 °C at 760 mmHg Flash Point:71.9 °C PSA:0.00000 Density:1.867 g/cm3 LogP:2.33240 Sto

most cost-effective821-06-7 1,4-Dibromo-2-butene

Cas:821-06-7

Min.Order:1 Gram

FOB Price: $5.0

Type:Trading Company

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

821-06-7 trans-1,4-dibromobut-2-ene Appearance:Crystals or Crystalline Powder Storage:2-8°C Package:according to customers' requirements Application:It is used as an intermediate in organic synthesis. Transportation:By air(EMS or EUB or FedEx or TNT

trans-1,4-dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Gram

Negotiable

Type:Other

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:1 Gram

FOB Price: $1.0

Type:Lab/Research institutions

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Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi

High purity (E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:10 Gram

FOB Price: $100.0

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

(E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: (E)-1,4-Dibromo-2-Butene CAS No.:821-06-7 Molecule Formula:C4H6Br2 Molecule Weight:213.90 Purity: 97.0% Package: 25kg/drum Description:White to brownish powder Manufacture Standards:Enterprise Standard

High Quality (E)-1,4-Dibromo-2-Butene

Cas:821-06-7

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Jiangsu Qianyu Molecular Technology Co., LTD.

Our Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an

High Purity (E)-1,4-Dibromobut-2-ene

Cas:821-06-7

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

buta-1,3-diene
106-99-0

buta-1,3-diene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With bromine In chloroform at -78 - 23℃;100%
With bromine In tetrachloromethane at -78 - 20℃; for 16h;58%
With bromine In tetrachloromethane at -78 - 20℃; for 16h;58%
allyl bromide
106-95-6

allyl bromide

A

cis-1,4-dibromo-2-butene
18866-73-4

cis-1,4-dibromo-2-butene

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C

ethene
74-85-1

ethene

Conditions
ConditionsYield
With Hoveyda-Grubbs catalyst second generation In acetone at 25℃; for 1h; Grubbs Olefin Metathesis; Flow reactor; Overall yield = > 95 %;A n/a
B 95%
C n/a
(E)-2-butene-1,4-diol
821-11-4

(E)-2-butene-1,4-diol

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With phosphorus tribromide65%
s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

A

(E/Z)-crotyl bromide
4784-77-4, 29576-14-5, 39616-19-8

(E/Z)-crotyl bromide

B

2,3-dibromobutane
5408-86-6

2,3-dibromobutane

C

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

D

2,2-dibromobutane
50341-35-0

2,2-dibromobutane

Conditions
ConditionsYield
With hydrogen bromide; bromine at 100℃; under 80 Torr; for 0.25h; Heating; Irradiation; Further byproducts given;A 8.5%
B 6.3%
C 39.7%
D 22.5%
With bromine at 100℃; under 80 Torr; for 0.25h; Heating; Irradiation; Further byproducts given;A 20.3%
B 3.9%
C 31%
D 34.6%
s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

A

(E/Z)-crotyl bromide
4784-77-4, 29576-14-5, 39616-19-8

(E/Z)-crotyl bromide

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C

2,2-dibromobutane
50341-35-0

2,2-dibromobutane

D

1,3-dibromobutane
107-80-2

1,3-dibromobutane

Conditions
ConditionsYield
With hydrogen bromide; bromine at 100℃; under 80 Torr; for 0.25h; Heating; Irradiation; Further byproducts given;A 14.6%
B 39.1%
C 21.6%
D 2.5%
pyridine perbromide
6081-86-3

pyridine perbromide

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

C

N-(4-bromo-1-buten-3-yl)pyridinium bromide
76665-61-7

N-(4-bromo-1-buten-3-yl)pyridinium bromide

Conditions
ConditionsYield
In 1,2-dichloro-ethane at 20℃; for 0.5h; Yields of byproduct given;A n/a
B n/a
C 35%
s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

A

2,3-dibromobutane
5408-86-6

2,3-dibromobutane

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C

2,2-dibromobutane
50341-35-0

2,2-dibromobutane

D

1,2,3,4-tetrabromobutane
1529-68-6

1,2,3,4-tetrabromobutane

Conditions
ConditionsYield
With bromine at 100℃; under 80 Torr; for 0.25h; Heating; Irradiation; Further byproducts given;A 10.2%
B 24%
C 24%
D 9%
s-butyl bromide
78-76-2, 5787-31-5

s-butyl bromide

A

2,3-dibromobutane
5408-86-6

2,3-dibromobutane

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C

2,2-dibromobutane
50341-35-0

2,2-dibromobutane

D

1,2,3-tribromobutane
632-05-3

1,2,3-tribromobutane

Conditions
ConditionsYield
With hydrogen bromide; bromine at 100℃; under 80 Torr; for 0.25h; Heating; Irradiation; Further byproducts given;A 13.7%
B 19.2%
C 23.8%
D 12.5%
allyl bromide
106-95-6

allyl bromide

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride In dichloromethane for 0.183333h; Inert atmosphere;15%
decane
124-18-5

decane

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
at 61 - 100℃; Kinetics;
at 61 - 100℃; Mechanism;
cis-1,4-dibromo-2-butene
18866-73-4

cis-1,4-dibromo-2-butene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
in der Waerme;
at 120℃;
3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
at 85 - 90℃;
buta-1,3-diene
106-99-0

buta-1,3-diene

A

1,4-dibromo-2-butene
6974-12-5

1,4-dibromo-2-butene

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With bromine liquid 1,4-dibromo-butene-(2);
With chloroform; bromine
buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
With bromine In 1,2-dichloro-ethane at 25℃; for 0.333333h; Mechanism; Product distribution; Rate constant; other solvent and other brominating agent;
With hexane; bromine at -30 - -15℃;

A

cis-1,4-dibromo-2-butene
18866-73-4

cis-1,4-dibromo-2-butene

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With phosphorus tribromide In tetrachloromethane
pyridine
110-86-1

pyridine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

C

N-(4-bromo-1-buten-3-yl)pyridinium bromide
76665-61-7

N-(4-bromo-1-buten-3-yl)pyridinium bromide

Conditions
ConditionsYield
With bromine In 1,2-dichloro-ethane at 25℃; for 0.5h; Mechanism; Product distribution; Rate constant; other solvent, other brominating agent;
bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
in der Gasphase bei Verduennung mit Stickstoff;
chloroform
67-66-3

chloroform

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
at -30 - -15℃;
carbon disulfide
75-15-0

carbon disulfide

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
das Mengenverhaeltnis der Reaktionsprodukte ist vom Loesungsmittel unabhaengig;
tetrachloromethane
56-23-5

tetrachloromethane

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
das Mengenverhaeltnis der Reaktionsprodukte ist vom Loesungsmittel unabhaengig;
hexane
110-54-3

hexane

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
das Mengenverhaeltnis der Reaktionsprodukte ist vom Loesungsmittel unabhaengig;
chloroform
67-66-3

chloroform

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
das Mengenverhaeltnis der Reaktionsprodukte ist vom Loesungsmittel unabhaengig;
Trichloroethylene
79-01-6

Trichloroethylene

bromine
7726-95-6

bromine

buta-1,3-diene
106-99-0

buta-1,3-diene

A

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

B

3,4-dibromo-1-butene
10463-48-6

3,4-dibromo-1-butene

Conditions
ConditionsYield
das Mengenverhaeltnis der Reaktionsprodukte ist vom Loesungsmittel unabhaengig;
cis-butene-1,4-diol
344397-18-8

cis-butene-1,4-diol

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With pyridine; phosphorus tribromide; iodine In (2S)-N-methyl-1-phenylpropan-2-amine hydrate; dichloromethane
allyl bromide
106-95-6

allyl bromide

A

cis-1,4-dibromo-2-butene
18866-73-4

cis-1,4-dibromo-2-butene

B

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Conditions
ConditionsYield
With Hoveyda-Grubbs catalyst second generation In dichloromethane Inert atmosphere; Overall yield = 15 percent; Overall yield = 1.7 g;A n/a
B n/a
N,N'-dimethylbenzylamine
103-83-3

N,N'-dimethylbenzylamine

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C22H32N2(2+)*2Br(1-)
100186-76-3

C22H32N2(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;100%
3-hydroxypyridine-2-thione
23003-22-7

3-hydroxypyridine-2-thione

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

3-hydroxy-2-(4-bromo-2-buten-1-ylthio)pyridine hydrobromide

3-hydroxy-2-(4-bromo-2-buten-1-ylthio)pyridine hydrobromide

Conditions
ConditionsYield
In acetone at 20℃; for 20h;100%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

(S)-3-((2-hydroxynaphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone
1187455-33-9

(S)-3-((2-hydroxynaphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone

(S)-3-(((2-(E)-4-bromobut-2-enyloxy)naphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone
1187455-06-6

(S)-3-(((2-(E)-4-bromobut-2-enyloxy)naphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 10h; Inert atmosphere;100%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

(R)-3-((2-hydroxynaphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone
1187455-34-0

(R)-3-((2-hydroxynaphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone

(R)-3-(((2-(E)-4-bromobut-2-enyloxy)naphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone
1187455-07-7

(R)-3-(((2-(E)-4-bromobut-2-enyloxy)naphthalen-1-yl)methyleneamino)-4-isopropyl-2-oxazolidinone

Conditions
ConditionsYield
With potassium carbonate In acetone at 20℃; for 10h; Inert atmosphere;100%
1,3-di(4-pyridyl)propane
17252-51-6

1,3-di(4-pyridyl)propane

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C30H34N4(2+)*2Br(1-)

C30H34N4(2+)*2Br(1-)

Conditions
ConditionsYield
In acetone at 20℃;100%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

acetylacetone
123-54-6

acetylacetone

1-(2-methyl-5-vinyl-4,5-dihydrofuran-3-yl)ethan-1-one
75822-61-6, 115580-34-2

1-(2-methyl-5-vinyl-4,5-dihydrofuran-3-yl)ethan-1-one

Conditions
ConditionsYield
Stage #1: acetylacetone With caesium carbonate In dimethyl sulfoxide at 20℃; for 0.333333h; Claisen Rearrangement; Inert atmosphere;
Stage #2: (E)-1,4-dibromobutene In dimethyl sulfoxide at 100℃; for 12h; Inert atmosphere;
100%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

1‐octyl‐1,4‐diazabicyclo[2.2.2]octan‐1‐ium bromide

1‐octyl‐1,4‐diazabicyclo[2.2.2]octan‐1‐ium bromide

C32H64N4(4+)*4Br(1-)

C32H64N4(4+)*4Br(1-)

Conditions
ConditionsYield
In N,N-dimethyl-formamide for 48h; Heating;100%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

diethyllaurylamine
4271-27-6

diethyllaurylamine

C36H76N2(2+)*2Br(1-)
100186-80-9, 110282-54-7

C36H76N2(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;99%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

N-(tert-butyloxycarbonyl)(2,4,6-triisopropylphenyl)sulfonamide
335004-12-1

N-(tert-butyloxycarbonyl)(2,4,6-triisopropylphenyl)sulfonamide

(E)-N,N'-bis(tert-butyloxycarbonyl)-N,N'-bis[(2,4,6-triisopropylphenyl)sulfonyl]-2-butene-1,4-diamine
335004-20-1

(E)-N,N'-bis(tert-butyloxycarbonyl)-N,N'-bis[(2,4,6-triisopropylphenyl)sulfonyl]-2-butene-1,4-diamine

Conditions
ConditionsYield
With potassium carbonate In acetonitrile Heating;99%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

triethyl phosphite
122-52-1

triethyl phosphite

tetraethyl (E)-2-butene-1,4-diphosphonate
1112-96-5, 16626-80-5, 56727-14-1

tetraethyl (E)-2-butene-1,4-diphosphonate

Conditions
ConditionsYield
for 5h; Reflux;99%
for 5h; Reflux;99%
Arbuzov reaction;
4-tert-butylpyridine
3978-81-2

4-tert-butylpyridine

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

1,4-bis(4-tert-butylpyridinium)-but-(2E)-ene-1,4-diyl dibromide

1,4-bis(4-tert-butylpyridinium)-but-(2E)-ene-1,4-diyl dibromide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 70℃;99%
In N,N-dimethyl-formamide at 70℃;66%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

N,N-dimethylhexadecylamine
112-69-6

N,N-dimethylhexadecylamine

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;98%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

trans-6-(4-methylphenylsulfonyl)amino-4-methyl-1-triisopropyl-silyl(oxy)-cyclohex-1-ene
124603-50-5, 124603-57-2

trans-6-(4-methylphenylsulfonyl)amino-4-methyl-1-triisopropyl-silyl(oxy)-cyclohex-1-ene

E-6-N,N'-<(4-methylphenylsulfonyl)-(4-bromo-2-butene)>amino-4-methyl-1-triisopropylsilyl(oxy)-cyclohex-1-ene

E-6-N,N'-<(4-methylphenylsulfonyl)-(4-bromo-2-butene)>amino-4-methyl-1-triisopropylsilyl(oxy)-cyclohex-1-ene

Conditions
ConditionsYield
With sodium hydride In tetrahydrofuran for 1h; Heating;98%
pyridine-4-aldoxime
696-54-8

pyridine-4-aldoxime

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

(E)-1-(4-bromobut-2-enyl)-4-((hydroxyimino)methyl)pyridinium bromide

(E)-1-(4-bromobut-2-enyl)-4-((hydroxyimino)methyl)pyridinium bromide

Conditions
ConditionsYield
In chloroform for 3h; Inert atmosphere; Reflux;98%
In acetone for 1.5h; Heating;95%
In acetone for 2h; Heating;95%
In acetone for 2h; Reflux;95%
4-amino-1,2,4-triazole
584-13-4

4-amino-1,2,4-triazole

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

trans-1,4-di(4-amino-1,2,4-triazolium-1N)-2-butene dibromide

trans-1,4-di(4-amino-1,2,4-triazolium-1N)-2-butene dibromide

Conditions
ConditionsYield
In acetonitrile for 6.5h; Reflux;98%
In acetonitrile for 6.5h; Reflux;98%
N-(tert-butyloxycarbonyl)-3,4-bis(dodecyloxy)benzenesulfonamide

N-(tert-butyloxycarbonyl)-3,4-bis(dodecyloxy)benzenesulfonamide

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C74H130N2O12S2
1453119-87-3

C74H130N2O12S2

Conditions
ConditionsYield
With potassium carbonate In acetonitrile98%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

4-cyanophenol
767-00-0

4-cyanophenol

(E)-4,4'-(but-2-ene-1,4-diylbis(oxy))dibenzonitrile
101716-60-3

(E)-4,4'-(but-2-ene-1,4-diylbis(oxy))dibenzonitrile

Conditions
ConditionsYield
With potassium carbonate In acetonitrile Reflux;97%
With sodium ethanolate
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

Di-n-butyl-hexadecylamin
5675-43-4

Di-n-butyl-hexadecylamin

C52H108N2(2+)*2Br(1-)
100200-26-8, 110282-57-0

C52H108N2(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;97%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

3-pyridinealdoxime
1193-92-6

3-pyridinealdoxime

(E)-1,4-bis(3-hydroxyiminomethylpyridinium)but-2-ene dibromide

(E)-1,4-bis(3-hydroxyiminomethylpyridinium)but-2-ene dibromide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 2h;97%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

stearamidopropyl dimethylamine
7651-02-7

stearamidopropyl dimethylamine

C50H102N4O2(2+)*2Br(1-)

C50H102N4O2(2+)*2Br(1-)

Conditions
ConditionsYield
With sodium hydroxide In isopropyl alcohol at 80℃; for 24h;96.1%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

2-phenylthiocyclohexanone
110452-14-7

2-phenylthiocyclohexanone

(2S,3aR)-3a-Phenylsulfanyl-2-vinyl-2,3,3a,4,5,6-hexahydro-benzofuran

(2S,3aR)-3a-Phenylsulfanyl-2-vinyl-2,3,3a,4,5,6-hexahydro-benzofuran

Conditions
ConditionsYield
With potassium hydride In tetrahydrofuran Ambient temperature;96%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

N-(tert-butyloxycarbonyl)(2-thienyl)sulfonamide

N-(tert-butyloxycarbonyl)(2-thienyl)sulfonamide

(E)-N,N'-bis(tert-butyloxycarbonyl)-N,N'-bis[(2-thienyl)sulfonyl]-2-butene-1,4-diamine
335004-26-7

(E)-N,N'-bis(tert-butyloxycarbonyl)-N,N'-bis[(2-thienyl)sulfonyl]-2-butene-1,4-diamine

Conditions
ConditionsYield
With potassium carbonate96%
pyridine-4-aldoxime
696-54-8

pyridine-4-aldoxime

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

(E)-1-(2-hydroxyiminomethylpyridinium)-4-(4-hydroxyiminomethylpyridinium)-but-2-ene dibrobide

(E)-1-(2-hydroxyiminomethylpyridinium)-4-(4-hydroxyiminomethylpyridinium)-but-2-ene dibrobide

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 100℃; for 4h;96%
In N,N-dimethyl-formamide at 70℃;95%
In N,N-dimethyl-formamide at 100℃; for 1.5h;93%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

isonicotinamide
1453-82-3

isonicotinamide

(E)-1-(4-bromobut-2-enyl)-4-carbamoylpyridinium bromide

(E)-1-(4-bromobut-2-enyl)-4-carbamoylpyridinium bromide

Conditions
ConditionsYield
In acetonitrile for 3h; Inert atmosphere; Reflux;96%
In acetone for 2h; Heating;93%
In acetone for 2h; Reflux;93%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C4H6O6S2(2-)*2Na(1+)

C4H6O6S2(2-)*2Na(1+)

Conditions
ConditionsYield
With sodium sulfite In water; N,N-dimethyl-formamide at 100℃; for 11h;96%
With sodium sulfite In water at 105 - 115℃;
N,N-dimethyloctanamide
7378-99-6

N,N-dimethyloctanamide

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

C24H52N2(2+)*2Br(1-)
56713-62-3, 110282-51-4

C24H52N2(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;95%
N,N-dimethylaminododecane
112-18-5

N,N-dimethylaminododecane

(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

trans-1,4-bis(dodecyldimethylammonio)-2-butylene dibromide
100186-75-2, 108574-07-8

trans-1,4-bis(dodecyldimethylammonio)-2-butylene dibromide

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;95%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

octyldibutylamine
41145-51-1

octyldibutylamine

C36H76N2(2+)*2Br(1-)
100186-84-3, 110282-53-6

C36H76N2(2+)*2Br(1-)

Conditions
ConditionsYield
In acetonitrile for 0.5h; Heating;95%
(E)-1,4-dibromobutene
821-06-7

(E)-1,4-dibromobutene

trans-2,3-di(bromomethyl)oxirane
14396-64-6, 50477-73-1

trans-2,3-di(bromomethyl)oxirane

Conditions
ConditionsYield
With 3-chloro-benzenecarboperoxoic acid In chloroform for 20h; Heating;95%

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