1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

Base Information

Chemical Name:1,1-bis(4-ethynylphenyl)-2,2-diphenylethene
CAS No.:1620282-33-8
Molecular Formula:C₃₀H₂₀
Molecular Weight:380.489
Hs Code.:

Synonyms:1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

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Chemical Property of 1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

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Technology Process of 1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

There total 6 articles about 1,1-bis(4-ethynylphenyl)-2,2-diphenylethene 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: 70.8%

: 1620282-59-8
1,1-bis[4-(2-trimethylsilylethynyl)phenyl]-2,2-diphenylethene

: 1620282-33-8
1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

Guidance literature:: With potassium carbonate; In tetrahydrofuran; methanol; for 3h;
DOI:10.1021/ma501477w

Reference yield:

: 3988-03-2
bis(4-bromophenyl)methanone

: 1620282-33-8
1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

Guidance literature:: Multi-step reaction with 4 steps

1.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; triphenylphosphine; triethylamine / tetrahydrofuran / 70 °C / Inert atmosphere

2.1: n-butyllithium / tetrahydrofuran; hexane / 0.5 h / 0 °C / Inert atmosphere

2.2: 0 - 20 °C / Inert atmosphere

3.1: toluene-4-sulfonic acid / toluene / 4 h / Reflux

4.1: potassium carbonate / tetrahydrofuran; methanol / 3 h

With bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; potassium carbonate; toluene-4-sulfonic acid; triethylamine; triphenylphosphine; In tetrahydrofuran; methanol; hexane; toluene;
DOI:10.1021/ma501477w

Reference yield:

: 586-76-5
4-Bromobenzoic acid

: 1620282-33-8
1,1-bis(4-ethynylphenyl)-2,2-diphenylethene

Guidance literature:: Multi-step reaction with 4 steps

1.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 3 h / 20 °C

1.2: 16 h / 70 °C

2.1: n-butyllithium / tetrahydrofuran; hexane / 1 h / 0 °C

2.2: 3 h / 20 °C

2.3: 4 h / 110 °C

3.1: bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide / tetrahydrofuran / 0.25 h / Microwave irradiation; Inert atmosphere

3.2: 2 h / 120 °C / Microwave irradiation; Inert atmosphere

4.1: sodium hydroxide; methanol / tetrahydrofuran; water / 4 h / 20 °C

With methanol; bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; n-butyllithium; oxalyl dichloride; N,N-dimethyl-formamide; sodium hydroxide; In tetrahydrofuran; hexane; dichloromethane; water;
DOI:10.1002/anie.202107748