7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

Base Information

Chemical Name:7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester
CAS No.:1403598-88-8
Molecular Formula:C₄₂H₄₃BO₅
Molecular Weight:638.611
Hs Code.:

Synonyms:7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

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Chemical Property of 7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

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Technology Process of 7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

There total 3 articles about 7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester 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: 74.9%

: 61676-62-8
2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

: 1403598-86-6
2-bromo-9,9-bis(4-ethoxyphenyl)-7-(4-methoxyphenyl)fluorene

: 1403598-88-8
7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

Guidance literature:: 2-bromo-9,9-bis(4-ethoxyphenyl)-7-(4-methoxyphenyl)fluorene; With n-butyllithium; In tetrahydrofuran; hexane; at -78 ℃; for 0.5h; Inert atmosphere;

2-Isopropoxy-4,4,5,5-tetramethyl-1,3,2-dioxaborolane; In tetrahydrofuran; hexane; at 20 ℃; for 24h; Inert atmosphere;
DOI:10.1002/asia.201200299

Reference yield:

: 1403598-84-4
2,7-dibromo-9,9-bis(4-ethoxyphenyl)fluorene

: 1403598-88-8
7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

Guidance literature:: Multi-step reaction with 2 steps

1.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / water; ethanol; toluene / 8 h / Reflux; Inert atmosphere

2.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere

2.2: 24 h / 20 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sodium carbonate; In tetrahydrofuran; ethanol; hexane; water; toluene; 1.1: |Suzuki Coupling;
DOI:10.1002/asia.201200299

Reference yield:

: 169169-89-5
4,4'-(2,7-dibromo-9H-fluorene-9,9-diyl)diphenol

: 1403598-88-8
7-(4-methoxyphenyl)-9,9-bis(4-ethoxyphenyl)fluoren-2-ylboronic acid pinacol ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: potassium carbonate / N,N-dimethyl-formamide / 8 h / 80 °C / Inert atmosphere

2.1: tetrakis(triphenylphosphine) palladium⁽⁰⁾; sodium carbonate / water; ethanol; toluene / 8 h / Reflux; Inert atmosphere

3.1: n-butyllithium / hexane; tetrahydrofuran / 0.5 h / -78 °C / Inert atmosphere

3.2: 24 h / 20 °C / Inert atmosphere

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; n-butyllithium; sodium carbonate; potassium carbonate; In tetrahydrofuran; ethanol; hexane; water; N,N-dimethyl-formamide; toluene; 2.1: |Suzuki Coupling;
DOI:10.1002/asia.201200299