(E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

Base Information

Chemical Name:(E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one
CAS No.:79004-61-8
Molecular Formula:C₂₉H₃₂O₆
Molecular Weight:476.569
Hs Code.:

Synonyms:(E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

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Chemical Property of (E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

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Technology Process of (E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

There total 14 articles about (E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one 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: 41.0%

: 2-(2,4-dimethoxyphenyl)-8-iodo-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-4H-chromen-4-one

: 4,4,5,5- tetramethyl-2-[(1E)-3-methylbuta-1,3-dien-1-yl]-1,3,2-dioxaborolane

: 79004-61-8
(E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

Guidance literature:: With (bis(tricyclohexyl)phosphine)palladium(II) dichloride; potassium carbonate; In toluene; at 60 ℃; for 4h; Inert atmosphere;
DOI:10.1021/acs.joc.1c00229

Reference yield: 37.0%

: 75629-26-4
8-[(1S,5R,6S)-6-(2,4-Dimethoxy-benzoyl)-5-(2,4-dimethoxy-phenyl)-3-methyl-cyclohex-2-enyl]-2-(2,4-dimethoxy-phenyl)-5,7-dimethoxy-3-(3-methyl-but-2-enyl)-chromen-4-one

: 79004-62-9
RL334

: 79004-61-8
2-(2,4-Dimethoxy-phenyl)-5,7-dimethoxy-8-((E)-3-methyl-buta-1,3-dienyl)-3-(3-methyl-but-2-enyl)-chromen-4-one

Guidance literature:: In toluene; at 280 ℃; for 2h;
DOI:10.1246/cl.1980.1577

Reference yield:

: 90-24-4
2-hydroxy-4,6-dimethoxyacetophenone

: 79004-61-8
(E)-2-(2,4-dimethoxyphenyl)-5,7-dimethoxy-3-(3-methylbut-2-en-1-yl)-8-(3-methylbuta-1,3-dien-1-yl)-4H-chromen-4-one

Guidance literature:: Multi-step reaction with 6 steps

1: potassium iodide; potassium iodate; acetic acid / 8 h / 20 °C

2: pyridine / 1 h / 20 °C / Inert atmosphere

3: sodium hydroxide; pyridine / 1 h / 50 °C

4: potassium carbonate / acetone / 2 h / 20 °C

5: sulfuric acid / ethanol / 60 h / 55 °C

6: potassium carbonate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride / toluene / 4 h / 60 °C / Inert atmosphere

With pyridine; potassium iodate; (bis(tricyclohexyl)phosphine)palladium(II) dichloride; sulfuric acid; potassium carbonate; acetic acid; potassium iodide; sodium hydroxide; In ethanol; acetone; toluene;
DOI:10.1021/acs.joc.1c00229