trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene

Base Information

• Chemical Name: trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene
• CAS No.: 184239-40-5
• Molecular Formula: C₂₆H₁₈Br₂
• Molecular Weight: 490.237
• Mol file: 184239-40-5.mol

Synonyms:trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene

Chemical Property of trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene

Chemical Property:

Purity/Quality:

97% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene

There total 3 articles about trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene 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: 80.0%

(4-bromophenyl)(phenyl)methanone (90-90-4) → trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene (184239-40-5,184239-35-8)

Guidance literature:

With titanium tetrachloride; zinc; In tetrahydrofuran; at 78 ℃; for 12h; Inert atmosphere;

DOI:10.1016/j.dyepig.2022.110098

Reference yield:

(4-bromophenyl)(phenyl)methanone (90-90-4) → (Z)-1,2-bis(4-bromophenyl)-1,2-diphenylethene (219798-11-5,184239-35-8) + trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene (184239-40-5,184239-35-8)

Guidance literature:

With lithium aluminium tetrahydride; titanium(III) chloride; In tetrahydrofuran;

DOI:10.1039/b615408p

Reference yield:

4-Bromophenylboronic acid (5467-74-3) + (E)-1,2-diphenyl-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethane → trans-cis-1,2-Bis(4-bromophenyl)-1,2-diphenylethene (184239-40-5,184239-35-8)

Guidance literature:

With potassium phosphate; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In N,N-dimethyl-formamide; for 24h; Inert atmosphere; Schlenk technique; Glovebox; Reflux;

DOI:10.1039/d1nj02029c

upstream raw materials:

(4-bromophenyl)(phenyl)methanone

4-Bromophenylboronic acid