4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

Base Information

Chemical Name:4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)
CAS No.:1276653-03-2
Molecular Formula:C₂₁H₂₆O₇
Molecular Weight:390.433
Hs Code.:

Synonyms:4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

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Chemical Property of 4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

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Technology Process of 4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

There total 12 articles about 4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol) 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: 45.0%

: 1276653-10-1
1,1-bis-{4-(allyloxy)-3,5-dimethoxyphenyl}-2-methylbut-3-en-1-ol

: 1276653-03-2
4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

Guidance literature:: With 1,3-dimethylbarbituric acid; palladium diacetate; triphenylphosphine; In ethanol; at 20 ℃; for 2h; Inert atmosphere;
DOI:10.1021/jo1025749

Reference yield:

: 530-57-4
3,5-dimethoxy-4-hydroxybenzoic acid

: 1276653-03-2
4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

Guidance literature:: Multi-step reaction with 7 steps

1.1: potassium carbonate / N,N-dimethyl-formamide / 6 h / 0 - 20 °C / Inert atmosphere

2.1: potassium hydroxide / ethanol / 1 h / 20 °C / Inert atmosphere

3.1: oxalyl dichloride; N,N-dimethyl-formamide / dichloromethane / 6.5 h / 0 °C / Inert atmosphere

4.1: dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere

5.1: tetrahydrofuran; hexane / 0.5 h / -78 °C / Inert atmosphere

5.2: 0.08 h / -78 °C / Inert atmosphere

6.1: ammonium chloride; zinc / tetrahydrofuran; water / 1.33 h / 0 °C

7.1: 1,3-dimethylbarbituric acid; palladium diacetate; triphenylphosphine / ethanol / 2 h / 20 °C / Inert atmosphere

With oxalyl dichloride; 1,3-dimethylbarbituric acid; palladium diacetate; potassium carbonate; ammonium chloride; N,N-dimethyl-formamide; triphenylphosphine; potassium hydroxide; zinc; In tetrahydrofuran; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide; 6.1: Barbier reaction;
DOI:10.1021/jo1025749

Reference yield:

: 1276653-17-8
bis{4-(allyloxy)-3,5-dimethoxyphenyl}methanone

: 1276653-03-2
4,4'-(1-hydroxy-2-methylbut-3-ene-1,1-diyl)bis(2,6-dimethoxyphenol)

Guidance literature:: Multi-step reaction with 2 steps

1: ammonium chloride; zinc / tetrahydrofuran; water / 1.33 h / 0 °C

2: 1,3-dimethylbarbituric acid; palladium diacetate; triphenylphosphine / ethanol / 2 h / 20 °C / Inert atmosphere

With 1,3-dimethylbarbituric acid; palladium diacetate; ammonium chloride; triphenylphosphine; zinc; In tetrahydrofuran; ethanol; water; 1: Barbier reaction;
DOI:10.1021/jo1025749