Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]-

Base Information

• Chemical Name: Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]-
• CAS No.: 91425-16-0
• Molecular Formula: C32H39P
• Molecular Weight: 454.635
• DSSTox Substance ID: DTXSID30382780
• Nikkaji Number: J1.056.967B
• Wikidata: Q82174209
• Mol file: 91425-16-0.mol

Synonyms:91425-16-0;Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]-;DTXSID30382780;2,4,6-Tri-tert-butylphenyl(diphenylethenylidene)phosphine

Chemical Property of Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]-

Chemical Property:

• XLogP3: 10.1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 6
• Exact Mass: 454.278938242
• Heavy Atom Count: 33
• Complexity: 632

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC(C)(C)C1=CC(=C(C(=C1)C(C)(C)C)P=C=C(C2=CC=CC=C2)C3=CC=CC=C3)C(C)(C)C

Technology Process of Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]-

There total 7 articles about Phosphine, (diphenylethenylidene)[2,4,6-tris(1,1-dimethylethyl)phenyl]- 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: 45.0%

benzophenone (119-61-9) → 2,2-diphenylethenylidene-P-(2,4,6-tri-tert-butylphenyl)phosphine (91425-16-0)

Guidance literature:

With tert.-butyl lithium; In tetrahydrofuran; at -78 ℃; for 0.0833333h;

DOI:10.1016/S0040-4039(01)80630-4

Reference yield: 30.0%

(diphenylmethylene)triphenylphosphorane (4214-38-4,22880-58-6) + 2,4,6-tri-tert-butylphenylphosphaketene (87174-75-2) → 2,2-diphenylethenylidene-P-(2,4,6-tri-tert-butylphenyl)phosphine (91425-16-0)

Guidance literature:

In toluene; benzene; for 3h; Ambient temperature;

Reference yield:

t-butyldimethylsilyl(2,4,6-tri-t-butylphenyl)phosphine (88721-96-4) + diphenyl ketene (525-06-4) → 2,2-diphenylethenylidene-P-(2,4,6-tri-tert-butylphenyl)phosphine (91425-16-0)

Guidance literature:

With n-butyllithium; Yield given. Multistep reaction; 1.) room temperature;

DOI:10.1016/S0040-4039(01)90047-4

upstream raw materials:

(diphenylmethylene)triphenylphosphorane

2,4,6-tri-tert-butylphenylphosphaketene

(2,4,6-tri-tert-butyl)phenylmonochlorophosphane

t-butyldimethylsilyl(2,4,6-tri-t-butylphenyl)phosphine

Downstream raw materials:

2,2-dichloro-1-(2,4,6-tri-tert-butylphenyl)-1-phosphaethene

3-Benzhydrylidene-2,2-dichloro-1-(2,4,6-tri-tert-butyl-phenyl)-phosphirane

1,1-Dichloro-3,3-diphenylallene

tricarbonyl{1-(2',4',6'-tri-t-butylphenyl)-3,3-diphenyl-1-phosphaallene}nickel⁽⁰⁾