1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene

Base Information

• Chemical Name: 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene
• CAS No.: 77904-06-4
• Molecular Formula: C₂₈H₂₀Br₄Sn
• Molecular Weight: 794.793
• Mol file: 77904-06-4.mol

Synonyms:

Chemical Property of 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene

There total 3 articles about 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene 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: 96.0%

1,1-di(p-methoxyphenyl)-2,3,4,5-tetraphenylstannole (890053-34-6) + bromine (7726-95-6) → 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene (77904-06-4)

Guidance literature:

In tetrachloromethane; dichloromethane; (Ar), excess of Br2 in CCl4 added at room temp. to soln. of Sn complex in CH2Cl2; recrystd.(CH2Cl2/CH3OH), elem. anal.;

DOI:10.1002/ejic.200500274

Reference yield: 23.0%

1,4-dilithio-1,2,3,4-tetraphenylbutadiene (21289-08-7,99643-57-9) + tin(ll) chloride → (4-bromo-1,2,3,4-tetraphenyl-1,3-butadienyl)tin(IV) tribromide (77904-06-4)

Guidance literature:

With Br₂; In tetrachloromethane; diethyl ether; Li compd. in Et2O was added to SnCl2 (0°C) in Et2O; stirring for2 h, addn. of Br2 in CCl4 at -50- -40°C; stirring overnight; evapn., recrystn. from MeOH/CH2Cl2; elem. anal.;

DOI:10.1021/ic50224a060

Reference yield:

diphenyl acetylene (501-65-5) → 1-bromo-1,2,3,4-tetraphenyl-4-(tribromostannyl)-1,3-butadiene (77904-06-4)

Guidance literature:

Multi-step reaction with 2 steps

1: Li / tetrahydrofuran; diethyl ether

2: dichloromethane; tetrachloromethane

With Li; In tetrahydrofuran; tetrachloromethane; diethyl ether; dichloromethane;

DOI:10.1002/ejic.200500274

upstream raw materials:

1,4-dilithio-1,2,3,4-tetraphenylbutadiene

1,1-di(p-methoxyphenyl)-2,3,4,5-tetraphenylstannole

bromine

diphenyl acetylene

Downstream raw materials:

4-bromo-1,2,3,4-tetraphenyl-1-(trimethylstannyl)-1,3-butadiene

1,1-dimethyl-2,3,4,5-tetraphenylstannole

di(1,2,3,4,5-pentaphenyl-1-stanna-cyclopentadienyl)

hexaphenylstannol