3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene

Base Information

• Chemical Name: 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene
• CAS No.: 1399855-25-4
• Molecular Formula: C₂₀H₃₁N₂P
• Molecular Weight: 330.453
• Mol file: 1399855-25-4.mol

Synonyms:3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene

Chemical Property of 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene

There total 4 articles about 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene 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: 86.0%

3-(di-tert-butylphosphino)-1-mesitylimidazolium triflate (1416734-62-7) → 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene (1399855-25-4)

Guidance literature:

With sodium hexamethyldisilazane; In tetrahydrofuran; diethyl ether; at -5 ℃; for 1.5h; Inert atmosphere; Schlenk technique;

DOI:10.1021/om300963t

Reference yield: 45.0%

3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethylphenyl)-4,5-dihydro-3H-imidazol-1-ium trifluoromethanesulfonate → 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene (1399855-25-4)

Guidance literature:

With potassium hexamethylsilazane; In tetrahydrofuran; at -60 - 20 ℃; for 4h;

DOI:10.1016/j.jorganchem.2014.05.036

Reference yield:

N-(2,4,6-trimethylphenyl)imidazole (25364-44-7) → 3-(di-tert-butyl-phosphanyl)-1-(2,4,6-trimethyl-phenyl)-imidazolin-2-ylidene (1399855-25-4)

Guidance literature:

Multi-step reaction with 2 steps

1: sodium triflate / tetrahydrofuran / 24 h / 20 °C / Inert atmosphere; Schlenk technique

2: sodium hexamethyldisilazane / diethyl ether; tetrahydrofuran / 1.5 h / -5 °C / Inert atmosphere; Schlenk technique

With sodium hexamethyldisilazane; sodium triflate; In tetrahydrofuran; diethyl ether;

DOI:10.1021/om300963t

upstream raw materials:

N-(2,4,6-trimethylphenyl)imidazole

di(tert-butyl)chlorophosphine

3-(di-tert-butylphosphino)-1-mesitylimidazolium triflate