2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone

Base Information

• Chemical Name: 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone
• CAS No.: 137057-03-5
• Molecular Formula: C₁₉H₁₆O₅
• Molecular Weight: 324.333
• Mol file: 137057-03-5.mol

Synonyms:2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone

Chemical Property of 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
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MSDS Files:

Useful:

Technology Process of 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone

There total 2 articles about 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone 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: 46.0%

2-bromo-5-hydroxy-[1,4]naphthoquinone (69008-03-3) + <2,6-dimethoxy-4-methylphenyl>trimethylstannane (126421-39-4) → 5-hydroxy-2-methyl-1,4-naphthoquinone (481-42-5) + 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone (137057-03-5)

Guidance literature:

tetrakis(triphenylphosphine) palladium⁽⁰⁾; In 1,4-dioxane; for 3h; Heating;

DOI:10.1021/jo00023a004

Reference yield:

1,3-dimethoxy-5-methylbenzene (4179-19-5) + 2-bromo-5-hydroxy-[1,4]naphthoquinone (69008-03-3) → 2-(2,6-Dimethoxy-4-methylphenyl)-5-hydroxy-1,4-naphthoquinone (137057-03-5)

Guidance literature:

With trimethyltin(IV)chloride; tert.-butyl lithium; tetrakis(triphenylphosphine) palladium⁽⁰⁾; Yield given. Multistep reaction; 1.) THF, pentane, -20 deg C, 2 h; -20 deg C, 30 min, 2.) 1,4-dioxane, reflux, 18 h;

DOI:10.1021/jo00099a045

upstream raw materials:

2-bromo-5-hydroxy-[1,4]naphthoquinone

<2,6-dimethoxy-4-methylphenyl>trimethylstannane

1,3-dimethoxy-5-methylbenzene