(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

Base Information

Chemical Name:(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen
CAS No.:140834-29-3
Molecular Formula:C₆₂H₆₂
Molecular Weight:807.174
Hs Code.:

Synonyms:(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

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Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

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Chemical Property of (E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

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Technology Process of (E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

There total 5 articles about (E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen 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: 38.0%

: 78053-58-4
1,8-diethynylanthracene

: 140834-28-2,140834-34-0
4-Brom-3',5'-di-tert-butylstilben

: 140834-29-3
(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

Guidance literature:: With copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride; a) 1 h, r.t., b) 70 deg C, 7 h;

Reference yield:

: 62938-08-3
3,5-di-tert-butylbenzyl bromide

: 140834-29-3
(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

Guidance literature:: Multi-step reaction with 2 steps

1: LiOEt / ethanol / 10 h / Ambient temperature

2: 38 percent / Et₃N, CuI / Pd(PPh₃)2Cl₂ / a) 1 h, r.t., b) 70 deg C, 7 h

With copper(l) iodide; lithium ethoxide; triethylamine; bis-triphenylphosphine-palladium(II) chloride; In ethanol;

Reference yield:

: 14381-66-9
1,8-dichloroanthracene

: 140834-29-3
(E,E)-1,8-Bis<4-<2-(3,5-di-tert-butylphenyl)ethenyl>phenylethinyl>anthracen

Guidance literature:: Multi-step reaction with 3 steps

1: 1.) Mg, C₂H₅Br, C₂H₄Br₂ / 2.) Ni(II)-acetylacetonate, PPh₃ / 1.) THF, 2 h, r.t., 2.) THF, 12 h, reflux

2: 83 percent / K₂CO₃ / methanol / 6 h / Ambient temperature

3: 38 percent / Et₃N, CuI / Pd(PPh₃)2Cl₂ / a) 1 h, r.t., b) 70 deg C, 7 h

With copper(l) iodide; ethyl bromide; C₂H₄Br₂; potassium carbonate; magnesium; triethylamine; bis-triphenylphosphine-palladium(II) chloride; nickel(II) acetylacetonate; triphenylphosphine; In methanol;