1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene

Base Information

• Chemical Name: 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene
• CAS No.: 84131-39-5
• Molecular Formula: C₂₁H₂₂
• Molecular Weight: 274.406
• Mol file: 84131-39-5.mol

Synonyms:

Chemical Property of 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene

There total 11 articles about 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene 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: 59.0%

1-phenyl-2-p-tolyl-3,5,5-trimethyl-2,3-cyclopentanediol (96633-44-2) → 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene (84131-39-5)

Guidance literature:

With pyridine; trichlorophosphate; for 2h; Heating;

DOI:10.1021/jo00214a027

Reference yield: 45.0%

1-p-tolyl-2-methyl-3-phenyl-3-isobutenylcyclopropene (84131-34-0) → 1,5,5-trimethyl-2-p-tolyl-3-phenylcyclopentadiene (84131-38-4) + 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene (84131-39-5)

Guidance literature:

With 4-(Dimethylamino)benzophenone; In benzene; for 0.5h; Product distribution; Quantum yield; Mechanism; Irradiation; var. concentration of starting material and sensitizer, var. amount of light absorbed;

DOI:10.1021/jo00214a027

Reference yield:

4-methyl-pent-3-en-2-one (141-79-7) → 1-phenyl-2-p-tolyl-3,5,5-trimethylcyclopentadiene (84131-39-5)

Guidance literature:

Multi-step reaction with 3 steps

1: 37 percent / tert-BuOK / 2-methyl-propan-2-ol / Heating

2: 30 percent / Mg, I₂ / diethyl ether

3: 59 percent / pyridine, POCl₃ / 2 h / Heating

With pyridine; potassium tert-butylate; iodine; magnesium; trichlorophosphate; In diethyl ether; tert-butyl alcohol;

DOI:10.1021/jo00214a027

upstream raw materials:

1-phenyl-2-p-tolyl-3,5,5-trimethyl-2,3-cyclopentanediol

1-p-tolyl-2-phenyl-3-methyl-3-isobutenylcyclopropene

1-p-tolyl-2-methyl-3-phenyl-3-isobutenylcyclopropene

4-methyl-pent-3-en-2-one