1,2,11,12-tetrakis(4-methoxyphenyl)picene

Base Information

Chemical Name:1,2,11,12-tetrakis(4-methoxyphenyl)picene
CAS No.:1383673-41-3
Molecular Formula:C₅₀H₃₈O₄
Molecular Weight:702.849
Hs Code.:

Synonyms:1,2,11,12-tetrakis(4-methoxyphenyl)picene

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Chemical Property of 1,2,11,12-tetrakis(4-methoxyphenyl)picene

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Technology Process of 1,2,11,12-tetrakis(4-methoxyphenyl)picene

There total 5 articles about 1,2,11,12-tetrakis(4-methoxyphenyl)picene 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: 63.0%

: 1,8-dibromo-2,7-bis[(Z)-2-bromoethenyl]phenanthrene

: 178106-74-6
(Z)-1,2-bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,2-bis(4-methoxyphenyl)ethene

: 1383673-41-3
1,2,11,12-tetrakis(4-methoxyphenyl)picene

Guidance literature:: With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; caesium carbonate; In tetrahydrofuran; water; at 80 ℃; for 48h; regiospecific reaction; Inert atmosphere;
DOI:10.1002/asia.201200132

Reference yield:

: 1383673-52-6
1,8-dibromo-2,7-bis-(2,2-dibromoethenyl)phenanthrene

: 1383673-41-3
1,2,11,12-tetrakis(4-methoxyphenyl)picene

Guidance literature:: Multi-step reaction with 2 steps

1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; tri-n-butyl-tin hydride / toluene / 1 h / 125 °C / Inert atmosphere

2: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; caesium carbonate / tetrahydrofuran; water / 48 h / 80 °C / Inert atmosphere

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tetrakis(triphenylphosphine) palladium⁽⁰⁾; tri-n-butyl-tin hydride; caesium carbonate; In tetrahydrofuran; water; toluene;
DOI:10.1002/asia.201200132

Reference yield:

: 1383673-49-1
1,8-dibromo-2,7-dimethylphenanthrene

: 1383673-41-3
1,2,11,12-tetrakis(4-methoxyphenyl)picene

Guidance literature:: Multi-step reaction with 5 steps

1.1: N-Bromosuccinimide / tetrachloromethane / 19 h / Reflux; Irradiation; Inert atmosphere

2.1: silver nitrate / ethanol; water / 1 h / Reflux; Inert atmosphere

3.1: triphenylphosphine / dichloromethane / 1 h / 0 °C / Inert atmosphere

3.2: 13 h / 0 - 20 °C / Inert atmosphere

4.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; tri-n-butyl-tin hydride / toluene / 1 h / 125 °C / Inert atmosphere

5.1: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; caesium carbonate / tetrahydrofuran; water / 48 h / 80 °C / Inert atmosphere

With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; N-Bromosuccinimide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; tri-n-butyl-tin hydride; caesium carbonate; silver nitrate; triphenylphosphine; In tetrahydrofuran; tetrachloromethane; ethanol; dichloromethane; water; toluene;
DOI:10.1002/asia.201200132