(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

Base Information

Chemical Name:(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester
CAS No.:1428945-41-8
Molecular Formula:C₁₂H₁₄O₄
Molecular Weight:222.241
Hs Code.:

Synonyms:(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

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Chemical Property of (E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

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Technology Process of (E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

There total 6 articles about (E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl 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: 85.0%

: 1428945-40-7
(E)-6-(1-butenyl)-2,4-bis(dimethyl(1,1-dimethylethyl)silyloxy)-N,N-diethylbenzamide

: 420-37-1
trimethoxonium tetrafluoroborate

: 1428945-41-8
(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

Guidance literature:: (E)-6-(1-butenyl)-2,4-bis(dimethyl(1,1-dimethylethyl)silyloxy)-N,N-diethylbenzamide; trimethoxonium tetrafluoroborate; In dichloromethane; at 20 ℃; for 15h; Inert atmosphere;

With water; sodium carbonate; In methanol; for 6h; Inert atmosphere;
DOI:10.1080/00397911.2012.681827

Reference yield:

: 132297-26-8
methyl 2,4-bis<(tert-butyldimethylsilyl)oxy>benzoate

: 1428945-41-8
(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

Guidance literature:: Multi-step reaction with 4 steps

1.1: trimethylaluminum / toluene / 1 h / -5 - 50 °C / Inert atmosphere

1.2: 20 h / Reflux; Inert atmosphere

2.1: tert.-butyl lithium / tetrahydrofuran; pentane / 2 h / -80 °C / Inert atmosphere

2.2: 2 h / -80 - -15 °C / Inert atmosphere

3.1: lithium bromide; phenyllithium / tetrahydrofuran; dibutyl ether / 0.5 h / -75 - 20 °C / Inert atmosphere

3.2: 1.5 h / -75 - 20 °C / Ionic liquid

3.3: 1 h / 20 °C / Inert atmosphere

4.1: dichloromethane / 15 h / 20 °C / Inert atmosphere

4.2: 6 h / Inert atmosphere

With trimethylaluminum; tert.-butyl lithium; phenyllithium; lithium bromide; In tetrahydrofuran; dichloromethane; dibutyl ether; toluene; pentane; 3.1: |Schlosser Modification / 3.2: |Schlosser Modification / 3.3: |Schlosser Modification;
DOI:10.1080/00397911.2012.681827

Reference yield:

: 132260-53-8
N,N-diethyl 2,4-bis<(tert-butyldimethylsilyl)oxy>benzamide

: 1428945-41-8
(E)-6-(1-butenyl)-2,4-dihydroxybenzoic acid methyl ester

Guidance literature:: Multi-step reaction with 3 steps

1.1: tert.-butyl lithium / tetrahydrofuran; pentane / 2 h / -80 °C / Inert atmosphere

1.2: 2 h / -80 - -15 °C / Inert atmosphere

2.1: lithium bromide; phenyllithium / tetrahydrofuran; dibutyl ether / 0.5 h / -75 - 20 °C / Inert atmosphere

2.2: 1.5 h / -75 - 20 °C / Ionic liquid

2.3: 1 h / 20 °C / Inert atmosphere

3.1: dichloromethane / 15 h / 20 °C / Inert atmosphere

3.2: 6 h / Inert atmosphere

With tert.-butyl lithium; phenyllithium; lithium bromide; In tetrahydrofuran; dichloromethane; dibutyl ether; pentane; 2.1: |Schlosser Modification / 2.2: |Schlosser Modification / 2.3: |Schlosser Modification;
DOI:10.1080/00397911.2012.681827