1-BROMO-2-(4-BROMOPHENYL)ETHYLENE

Base Information

• Chemical Name: 1-BROMO-2-(4-BROMOPHENYL)ETHYLENE
• CAS No.: 778641-02-4
• Molecular Formula: C8H6Br2
• Molecular Weight: 261.944
• Mol file: 778641-02-4.mol

Synonyms:1-BROMO-2-(4-BROMOPHENYL)ETHYLENE;(E)-1-Bromo-2-(4-bromophenyl)ethylene;(E)-1-Bromo-4-(2-bromovinyl)benzene;1-BroMo-4-(2-broMoethenyl)benzene;1-BroMo-2-(4-broMophenyl)ethylene (contains cis isoMer)

Chemical Property of 1-BROMO-2-(4-BROMOPHENYL)ETHYLENE

Chemical Property:

• Vapor Pressure: 0.005mmHg at 25°C
• Melting Point: 50-52°C
• Boiling Point: 284.436°C at 760 mmHg
• Flash Point: 142.922°C
• PSA: 0.00000
• Density: 1.828g/cm³
• LogP: 3.81470
• Storage Temp.: -20°C Freezer
• Solubility.: Acetone, Chloroform, DMSO, Ethyl Acetate, Methanol

Purity/Quality:

97% ^*data from raw suppliers

1-Bromo-2-(4-bromophenyl)ethylene(containscisisomer) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1-BROMO-2-(4-BROMOPHENYL)ETHYLENE

There total 7 articles about 1-BROMO-2-(4-BROMOPHENYL)ETHYLENE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 72.0%

1-bromo-4-(2,2-dibromovinyl)benzene (136350-66-8) → 1-bromo-4-(2-bromovinyl)benzene (778641-02-4)

Guidance literature:

With Ir(ppy)₂(bpy); N-ethyl-N,N-diisopropylamine; In 1,2-dichloro-ethane; at 20 ℃; for 36h; Inert atmosphere; Schlenk technique; Irradiation; Green chemistry;

DOI:10.1016/j.tetlet.2019.151410

Reference yield: 65.0%

3-(4-bromophenyl)acrylic acid (1200-07-3) → 1-bromo-4-(2-bromovinyl)benzene (778641-02-4)

Guidance literature:

With N,N-dimethyl-formamide; potassium bromide; trichlorophosphate; In acetonitrile; at 20 ℃; Reagent/catalyst; Sonication;

DOI:10.1080/15533174.2014.989573

Reference yield:

(2RS,3SR)-2,3-dibromo-3-(4-bromophenyl)propanoic acid (112595-55-8) + water (7732-18-5) → trans-4-bromocinnamic acid (1200-07-3,5676-63-1,17916-60-8) + 1-bromo-4-(2-bromovinyl)benzene (778641-02-4) + 4-bromo-benzaldehyde (1122-91-4)

Guidance literature:

DOI:10.1021/ja01854a051

upstream raw materials:

4-bromo-(3-carboxyl-3-oxoprop-1-enyl)benzene

(2RS,3SR)-2,3-dibromo-3-(4-bromophenyl)propanoic acid

water

4-bromo-benzaldehyde

Downstream raw materials:

9-(4-bromobenzylidene)-9H-fluorene

(E)-1-bromo-4-(2-bromovinyl)benzene

(Z)-1-[2-bromovinyl]-4-bromobenzene

(E)-3-(4-bromophenyl)acrylonitrile