4H-1,3-Diphosphole, 2,5-bis[2,4,6-tris(1,1-dimethylethyl)phenyl]-4-[[2,4,6-tris(1,1-dimethyleth yl)phenyl]phosphinidene]-, (4Z)-

Base Information

• Chemical Name: 4H-1,3-Diphosphole, 2,5-bis[2,4,6-tris(1,1-dimethylethyl)phenyl]-4-[[2,4,6-tris(1,1-dimethyleth yl)phenyl]phosphinidene]-, (4Z)-
• CAS No.: 301336-03-8
• Molecular Formula: C57H87P3
• Molecular Weight: 865.239
• Mol file: 301336-03-8.mol

Synonyms:

Chemical Property of 4H-1,3-Diphosphole, 2,5-bis[2,4,6-tris(1,1-dimethylethyl)phenyl]-4-[[2,4,6-tris(1,1-dimethyleth yl)phenyl]phosphinidene]-, (4Z)-

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 4H-1,3-Diphosphole, 2,5-bis[2,4,6-tris(1,1-dimethylethyl)phenyl]-4-[[2,4,6-tris(1,1-dimethyleth yl)phenyl]phosphinidene]-, (4Z)-

There total 6 articles about 4H-1,3-Diphosphole, 2,5-bis[2,4,6-tris(1,1-dimethylethyl)phenyl]-4-[[2,4,6-tris(1,1-dimethyleth yl)phenyl]phosphinidene]-, (4Z)- 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: 25.0%

sec.-butyllithium (598-30-1) + [(dibromomethylene)(2,4,6-tri-tertbutylphenyl)phosphine] (100281-23-0) → 2,4,6-Tris(2,4,6-tri-tert-butylphenyl)-1,3,6-triphosphafulvene (301336-03-8) + 1-sec-butyl-2,4-bis-(2,4,6-tri-tert-butyl-phenyl)-1,2-dihydro-[1,3]diphosphete

Guidance literature:

DOI:10.1039/b204142c

Reference yield: 18.0%

[(dibromomethylene)(2,4,6-tri-tertbutylphenyl)phosphine] (100281-23-0) → 2-(2,4,6-Tri-tert-butylphenyl)-1-(2,4,6-tri-tert-butylphenylphosphanyl)acetylene + 2,4,6-Tris(2,4,6-tri-tert-butylphenyl)-1,3,6-triphosphafulvene (301336-03-8)

Guidance literature:

[(dibromomethylene)(2,4,6-tri-tertbutylphenyl)phosphine]; With tert.-butyl lithium; In tetrahydrofuran; pentane; at -78 ℃;

In tetrahydrofuran; pentane; at 25 ℃; for 1h;

DOI:10.1002/1521-3773(20000804)39:15<2781::AID-ANIE2781>3.0.CO;2-5

Reference yield: 9.0%

[(dibromomethylene)(2,4,6-tri-tertbutylphenyl)phosphine] (100281-23-0) → 2,4,6-Tris(2,4,6-tri-tert-butylphenyl)-1,3,6-triphosphafulvene (301336-03-8) + 3,4-dihydro-1,3,4-triphosphacyclopenta[a]indene

Guidance literature:

With tert.-butyl lithium; In tetrahydrofuran; n-heptane; pentane; at -78 - 20 ℃;

DOI:10.3987/com-04-10177

upstream raw materials:

[(dibromomethylene)(2,4,6-tri-tertbutylphenyl)phosphine]

sec.-butyllithium

1-bromo-2-(2,4,6-tri-t-butylphenyl)-2-phosphaethenyllithium