1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

Base Information

Chemical Name:1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene
CAS No.:84131-36-2
Molecular Formula:C₂₁H₂₂
Molecular Weight:274.406
Hs Code.:

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Chemical Property of 1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

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Technology Process of 1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

There total 9 articles about 1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene 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: 33.0%

: 96633-42-0
1,5,5-trimethyl-2-phenyl-3-p-tolyl-2,3-cyclopentanediol

: 96633-45-3
1-methylene-2-phenyl-3-p-tolyl-5,5-dimethyl-2-cyclopentene

: 84131-36-2
1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

Guidance literature:: With pyridine; trichlorophosphate; for 2h; Heating;
DOI:10.1021/jo00214a027

Reference yield:

: 71268-59-2
(E)-1-phenyl-1-(trimethylsiloxy)propene

: 84131-36-2
1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

Guidance literature:: Multi-step reaction with 3 steps

1: 55 percent / TiCl₄ / CH₂Cl₂ / 2 h / -78 °C

2: 23 percent / Mg, I₂ / diethyl ether / 24 h / Heating

3: 33 percent / pyridine, POCl₃ / 2 h / Heating

With pyridine; iodine; titanium tetrachloride; magnesium; trichlorophosphate; In diethyl ether; dichloromethane;
DOI:10.1021/jo00214a027

Reference yield:

: 96633-27-1
3-phenyl-4-p-tolyl-6-methyl-3,5-heptadien-2-one

: 84131-36-2
1,5,5-trimethyl-2-phenyl-3-p-tolylcyclopentadiene

Guidance literature:: Multi-step reaction with 3 steps

1: 32 percent / tetrahydrofuran / 10 h / Ambient temperature

2: 1.) NaOCH₃ / 1.) THF, 10 h, 2.) irradiation, 1.25 h

3: 11.8 mg / 4-(dimethylamino)benzophenone / benzene / 0.58 h / Irradiation; various concentration of starting material and sensitizer, var. amount of light absorbed; other cyclopropanes; other solvents

With 4-(Dimethylamino)benzophenone; sodium methylate; In tetrahydrofuran; benzene;
DOI:10.1021/jo00214a027