(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

Base Information

Chemical Name:(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)
CAS No.:1456632-88-4
Molecular Formula:C₃₈H₄₂Br₂O₂
Molecular Weight:690.558
Hs Code.:

Synonyms:(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

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Chemical Property of (E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

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Technology Process of (E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

There total 6 articles about (E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol) 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: 73.0%

: 917-64-6
methyl magnesium iodide

: 1456632-87-3
(E)-diethyl 3,3'-(ethene-1,2-diylbis(4,1-phenylene))bis(2-(4-bromobenzyl)propanoate)

: 1456632-88-4
(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

Guidance literature:: methyl magnesium iodide; (E)-diethyl 3,3'-(ethene-1,2-diylbis(4,1-phenylene))bis(2-(4-bromobenzyl)propanoate); In tetrahydrofuran; diethyl ether; at 0 - 20 ℃; for 12h;

With hydrogenchloride; In tetrahydrofuran; diethyl ether; water;
DOI:10.1002/pola.26738

Reference yield:

: 70146-78-0
diethyl 2-(4-bromobenzyl)malonate

: 1456632-88-4
(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

Guidance literature:: Multi-step reaction with 4 steps

1: sodium hydride / dimethyl sulfoxide / 20 °C

2: caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 12 h / 20 - 120 °C

3: water; lithium chloride / dimethyl sulfoxide / 12 h / 160 °C

4: tetrahydrofuran; diethyl ether / 12 h / 0 - 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; water; sodium hydride; caesium carbonate; lithium chloride; In tetrahydrofuran; diethyl ether; dimethyl sulfoxide; N,N-dimethyl-formamide; 2: |Suzuki-Miyaura Coupling;
DOI:10.1002/pola.26738

Reference yield:

: C₂₆H₃₁BrO₄Si

: 1456632-88-4
(E)-4,4'-(ethene-1,2-diylbis(4,1-phenylene))bis(3-(4-bromobenzyl)-2-methylbutan-2-ol)

Guidance literature:: Multi-step reaction with 5 steps

1: potassium carbonate / ethanol

3: caesium carbonate; tetrakis(triphenylphosphine) palladium⁽⁰⁾ / N,N-dimethyl-formamide / 12 h / 20 - 120 °C

4: water; lithium chloride / dimethyl sulfoxide / 12 h / 160 °C

5: tetrahydrofuran; diethyl ether / 12 h / 0 - 20 °C

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; water; potassium carbonate; caesium carbonate; lithium chloride; In tetrahydrofuran; diethyl ether; ethanol; dimethyl sulfoxide; N,N-dimethyl-formamide; 3: |Suzuki-Miyaura Coupling;
DOI:10.1002/pola.26738