1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien

Base Information

• Chemical Name: 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien
• CAS No.: 70320-33-1
• Molecular Formula: C₂₀H₂₀
• Molecular Weight: 260.379
• Mol file: 70320-33-1.mol

Synonyms:

Chemical Property of 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien

There total 4 articles about 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien 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:

1,4-Diphenyl-3,3-dimethylhexan-1,5-dion (70320-38-6) → 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien (70320-33-1)

Guidance literature:

Multi-step reaction with 2 steps

1: Mg, I₂ / diethyl ether

2: POCl₃, Py

With pyridine; iodine; magnesium; trichlorophosphate; In diethyl ether;

DOI:10.1021/jo01328a001

Reference yield:

3-methyl-1-phenyl-but-2-en-1-one (5650-07-7) → 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien (70320-33-1)

Guidance literature:

Multi-step reaction with 3 steps

1: TiCl₄

2: Mg, I₂ / diethyl ether

3: POCl₃, Py

With pyridine; iodine; titanium tetrachloride; magnesium; trichlorophosphate; In diethyl ether;

DOI:10.1021/jo01328a001

Reference yield:

1-phenyl-2-trimethylsiloxy-1-propene (43108-63-0) → 1,3-Diphenyl-2,5,5-trimethyl-1,3-cyclopentadien (70320-33-1)

Guidance literature:

Multi-step reaction with 3 steps

1: TiCl₄

2: Mg, I₂ / diethyl ether

3: POCl₃, Py

With pyridine; iodine; titanium tetrachloride; magnesium; trichlorophosphate; In diethyl ether;

DOI:10.1021/jo01328a001

upstream raw materials:

1,3-Diphenyl-2,4,4-trimethyl-1,2-cyclopentandiol

1,4-Diphenyl-3,3-dimethylhexan-1,5-dion

3-methyl-1-phenyl-but-2-en-1-one

1-phenyl-2-trimethylsiloxy-1-propene